tint/resolver: Evaluate const-expr swizzles

Bug: chromium:1341475
Change-Id: I2ac44824b08c460df759a96d0ba96f6045b60f74
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/95765
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>

src/tint/resolver/resolver.cc

@@ -1976,7 +1976,8 @@ sem::Expression* Resolver::MemberAccessor(const ast::MemberAccessorExpression* e
             ret = builder_->create<sem::Reference>(ret, ref->StorageClass(), ref->Access());
         }
 
-        return builder_->create<sem::StructMemberAccess>(expr, ret, current_statement_, object,
+        sem::Constant* val = nullptr;  // TODO(crbug.com/tint/1611): Add structure support.
+        return builder_->create<sem::StructMemberAccess>(expr, ret, current_statement_, val, object,
                                                          member, has_side_effects, source_var);
     }
 
@@ -2043,7 +2044,8 @@ sem::Expression* Resolver::MemberAccessor(const ast::MemberAccessorExpression* e
             // the swizzle.
             ret = builder_->create<sem::Vector>(vec->type(), static_cast<uint32_t>(size));
         }
-        return builder_->create<sem::Swizzle>(expr, ret, current_statement_, object,
+        auto* val = EvaluateSwizzleValue(object, ret, swizzle);
+        return builder_->create<sem::Swizzle>(expr, ret, current_statement_, val, object,
                                               std::move(swizzle), has_side_effects, source_var);
     }
 

src/tint/resolver/resolver.h

@@ -218,6 +218,9 @@ class Resolver {
         const sem::Type* ty);  // Note: ty is not an array or structure
     const sem::Constant* EvaluateIndexValue(const sem::Expression* obj, const sem::Expression* idx);
     const sem::Constant* EvaluateLiteralValue(const ast::LiteralExpression*, const sem::Type*);
+    const sem::Constant* EvaluateSwizzleValue(const sem::Expression* vector,
+                                              const sem::Type* type,
+                                              const std::vector<uint32_t>& indices);
     const sem::Constant* EvaluateUnaryValue(const sem::Expression*,
                                             const IntrinsicTable::UnaryOperator&);
 

src/tint/resolver/resolver_constants.cc

@@ -19,6 +19,7 @@
 #include "src/tint/sem/abstract_float.h"
 #include "src/tint/sem/abstract_int.h"
 #include "src/tint/sem/constant.h"
+#include "src/tint/sem/member_accessor_expression.h"
 #include "src/tint/sem/type_constructor.h"
 #include "src/tint/utils/compiler_macros.h"
 #include "src/tint/utils/transform.h"
@@ -537,6 +538,22 @@ const sem::Constant* Resolver::EvaluateIndexValue(const sem::Expression* obj_exp
     return obj_val->Index(static_cast<size_t>(idx));
 }
 
+const sem::Constant* Resolver::EvaluateSwizzleValue(const sem::Expression* vec_expr,
+                                                    const sem::Type* type,
+                                                    const std::vector<uint32_t>& indices) {
+    auto* vec_val = vec_expr->ConstantValue();
+    if (!vec_val) {
+        return nullptr;
+    }
+    if (indices.size() == 1) {
+        return static_cast<const Constant*>(vec_val->Index(indices[0]));
+    } else {
+        auto values = utils::Transform(
+            indices, [&](uint32_t i) { return static_cast<const Constant*>(vec_val->Index(i)); });
+        return CreateComposite(*builder_, type, std::move(values));
+    }
+}
+
 const sem::Constant* Resolver::EvaluateBitcastValue(const sem::Expression*, const sem::Type*) {
     // TODO(crbug.com/tint/1581): Implement @const intrinsics
     return nullptr;

src/tint/resolver/resolver_constants_test.cc

@@ -20,6 +20,7 @@
 #include "src/tint/resolver/resolver_test_helper.h"
 #include "src/tint/sem/expression.h"
 #include "src/tint/sem/index_accessor_expression.h"
+#include "src/tint/sem/member_accessor_expression.h"
 #include "src/tint/sem/test_helper.h"
 
 using namespace tint::number_suffixes;  // NOLINT
@@ -1869,6 +1870,63 @@ TEST_F(ResolverConstantsTest, Vec3_Index_OOB_Low) {
     EXPECT_EQ(sem->ConstantValue()->As<i32>(), 1_i);
 }
 
+TEST_F(ResolverConstantsTest, Vec3_Swizzle_Scalar) {
+    auto* expr = MemberAccessor(vec3<i32>(1_i, 2_i, 3_i), "y");
+    WrapInFunction(expr);
+
+    EXPECT_TRUE(r()->Resolve()) << r()->error();
+
+    auto* sem = Sem().Get(expr);
+    ASSERT_NE(sem, nullptr);
+    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
+    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
+    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
+    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
+    EXPECT_FALSE(sem->ConstantValue()->AllZero());
+    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 2_i);
+}
+
+TEST_F(ResolverConstantsTest, Vec3_Swizzle_Vector) {
+    auto* expr = MemberAccessor(vec3<i32>(1_i, 2_i, 3_i), "zx");
+    WrapInFunction(expr);
+
+    EXPECT_TRUE(r()->Resolve()) << r()->error();
+
+    auto* sem = Sem().Get(expr);
+    ASSERT_NE(sem, nullptr);
+    auto* vec = sem->Type()->As<sem::Vector>();
+    ASSERT_NE(vec, nullptr);
+    EXPECT_EQ(vec->Width(), 2u);
+    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
+
+    EXPECT_TRUE(sem->ConstantValue()->Index(0)->AllEqual());
+    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AnyZero());
+    EXPECT_FALSE(sem->ConstantValue()->Index(0)->AllZero());
+    EXPECT_EQ(sem->ConstantValue()->Index(0)->As<f32>(), 3._a);
+
+    EXPECT_TRUE(sem->ConstantValue()->Index(1)->AllEqual());
+    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AnyZero());
+    EXPECT_FALSE(sem->ConstantValue()->Index(1)->AllZero());
+    EXPECT_EQ(sem->ConstantValue()->Index(1)->As<f32>(), 1._a);
+}
+
+TEST_F(ResolverConstantsTest, Vec3_Swizzle_Chain) {
+    auto* expr =  // (1, 2, 3) -> (2, 3, 1) -> (3, 2) -> 2
+        MemberAccessor(MemberAccessor(MemberAccessor(vec3<i32>(1_i, 2_i, 3_i), "gbr"), "yx"), "y");
+    WrapInFunction(expr);
+
+    EXPECT_TRUE(r()->Resolve()) << r()->error();
+
+    auto* sem = Sem().Get(expr);
+    ASSERT_NE(sem, nullptr);
+    ASSERT_TRUE(sem->Type()->Is<sem::I32>());
+    EXPECT_TYPE(sem->ConstantValue()->Type(), sem->Type());
+    EXPECT_TRUE(sem->ConstantValue()->AllEqual());
+    EXPECT_FALSE(sem->ConstantValue()->AnyZero());
+    EXPECT_FALSE(sem->ConstantValue()->AllZero());
+    EXPECT_EQ(sem->ConstantValue()->As<i32>(), 2_i);
+}
+
 TEST_F(ResolverConstantsTest, Mat3x2_Index) {
     auto* expr = IndexAccessor(
         mat3x2<f32>(vec2<f32>(1._a, 2._a), vec2<f32>(3._a, 4._a), vec2<f32>(5._a, 6._a)), 2_i);

src/tint/sem/expression.h

@@ -35,7 +35,7 @@ class Expression : public Castable<Expression, Node> {
     /// @param declaration the AST node
     /// @param type the resolved type of the expression
     /// @param statement the statement that owns this expression
-    /// @param constant the constant value of the expression. May be invalid
+    /// @param constant the constant value of the expression. May be null
     /// @param has_side_effects true if this expression may have side-effects
     /// @param source_var the (optional) source variable for this expression
     Expression(const ast::Expression* declaration,

src/tint/sem/index_accessor_expression.h

@@ -35,7 +35,7 @@ class IndexAccessorExpression final : public Castable<IndexAccessorExpression, E
     /// @param object the object expression that is being indexed
     /// @param index the index expression
     /// @param statement the statement that owns this expression
-    /// @param constant the constant value of the expression. May be invalid
+    /// @param constant the constant value of the expression. May be null
     /// @param has_side_effects whether this expression may have side effects
     /// @param source_var the (optional) source variable for this expression
     IndexAccessorExpression(const ast::IndexAccessorExpression* declaration,

src/tint/sem/member_accessor_expression.cc

@@ -26,32 +26,36 @@ namespace tint::sem {
 MemberAccessorExpression::MemberAccessorExpression(const ast::MemberAccessorExpression* declaration,
                                                    const sem::Type* type,
                                                    const Statement* statement,
+                                                   const Constant* constant,
                                                    const Expression* object,
                                                    bool has_side_effects,
                                                    const Variable* source_var /* = nullptr */)
-    : Base(declaration, type, statement, nullptr, has_side_effects, source_var), object_(object) {}
+    : Base(declaration, type, statement, constant, has_side_effects, source_var), object_(object) {}
 
 MemberAccessorExpression::~MemberAccessorExpression() = default;
 
 StructMemberAccess::StructMemberAccess(const ast::MemberAccessorExpression* declaration,
                                        const sem::Type* type,
                                        const Statement* statement,
+                                       const Constant* constant,
                                        const Expression* object,
                                        const StructMember* member,
                                        bool has_side_effects,
                                        const Variable* source_var /* = nullptr */)
-    : Base(declaration, type, statement, object, has_side_effects, source_var), member_(member) {}
+    : Base(declaration, type, statement, constant, object, has_side_effects, source_var),
+      member_(member) {}
 
 StructMemberAccess::~StructMemberAccess() = default;
 
 Swizzle::Swizzle(const ast::MemberAccessorExpression* declaration,
                  const sem::Type* type,
                  const Statement* statement,
+                 const Constant* constant,
                  const Expression* object,
                  std::vector<uint32_t> indices,
                  bool has_side_effects,
                  const Variable* source_var /* = nullptr */)
-    : Base(declaration, type, statement, object, has_side_effects, source_var),
+    : Base(declaration, type, statement, constant, object, has_side_effects, source_var),
       indices_(std::move(indices)) {}
 
 Swizzle::~Swizzle() = default;

src/tint/sem/member_accessor_expression.h

@@ -38,12 +38,14 @@ class MemberAccessorExpression : public Castable<MemberAccessorExpression, Expre
     /// @param declaration the AST node
     /// @param type the resolved type of the expression
     /// @param statement the statement that owns this expression
+    /// @param constant the constant value of the expression. May be null.
     /// @param object the object that holds the member being accessed
     /// @param has_side_effects whether this expression may have side effects
     /// @param source_var the (optional) source variable for this expression
     MemberAccessorExpression(const ast::MemberAccessorExpression* declaration,
                              const sem::Type* type,
                              const Statement* statement,
+                             const Constant* constant,
                              const Expression* object,
                              bool has_side_effects,
                              const Variable* source_var = nullptr);
@@ -67,6 +69,7 @@ class StructMemberAccess final : public Castable<StructMemberAccess, MemberAcces
     /// @param declaration the AST node
     /// @param type the resolved type of the expression
     /// @param statement the statement that owns this expression
+    /// @param constant the constant value of the expression. May be null
     /// @param object the object that holds the member being accessed
     /// @param member the structure member
     /// @param has_side_effects whether this expression may have side effects
@@ -74,6 +77,7 @@ class StructMemberAccess final : public Castable<StructMemberAccess, MemberAcces
     StructMemberAccess(const ast::MemberAccessorExpression* declaration,
                        const sem::Type* type,
                        const Statement* statement,
+                       const Constant* constant,
                        const Expression* object,
                        const StructMember* member,
                        bool has_side_effects,
@@ -97,6 +101,7 @@ class Swizzle final : public Castable<Swizzle, MemberAccessorExpression> {
     /// @param declaration the AST node
     /// @param type the resolved type of the expression
     /// @param statement the statement that owns this expression
+    /// @param constant the constant value of the expression. May be null
     /// @param object the object that holds the member being accessed
     /// @param indices the swizzle indices
     /// @param has_side_effects whether this expression may have side effects
@@ -104,6 +109,7 @@ class Swizzle final : public Castable<Swizzle, MemberAccessorExpression> {
     Swizzle(const ast::MemberAccessorExpression* declaration,
             const sem::Type* type,
             const Statement* statement,
+            const Constant* constant,
             const Expression* object,
             std::vector<uint32_t> indices,
             bool has_side_effects,

src/tint/sem/variable.h

@@ -47,7 +47,7 @@ class Variable : public Castable<Variable, Node> {
     /// @param type the variable type
     /// @param storage_class the variable storage class
     /// @param access the variable access control type
-    /// @param constant_value the constant value for the variable. May be invalid
+    /// @param constant_value the constant value for the variable. May be null
     Variable(const ast::Variable* declaration,
              const sem::Type* type,
              ast::StorageClass storage_class,
@@ -105,7 +105,7 @@ class LocalVariable final : public Castable<LocalVariable, Variable> {
     /// @param storage_class the variable storage class
     /// @param access the variable access control type
     /// @param statement the statement that declared this local variable
-    /// @param constant_value the constant value for the variable. May be invalid
+    /// @param constant_value the constant value for the variable. May be null
     LocalVariable(const ast::Variable* declaration,
                   const sem::Type* type,
                   ast::StorageClass storage_class,
@@ -139,7 +139,7 @@ class GlobalVariable final : public Castable<GlobalVariable, Variable> {
     /// @param type the variable type
     /// @param storage_class the variable storage class
     /// @param access the variable access control type
-    /// @param constant_value the constant value for the variable. May be invalid
+    /// @param constant_value the constant value for the variable. May be null
     /// @param binding_point the optional resource binding point of the variable
     GlobalVariable(const ast::Variable* declaration,
                    const sem::Type* type,

test/tint/access/let/matrix.spvasm.expected.glsl

@@ -1,7 +1,7 @@
 #version 310 es
 
 void main_1() {
-  float x_24 = vec3(4.0f, 5.0f, 6.0f).y;
+  float x_24 = 5.0f;
   return;
 }
 

test/tint/access/let/matrix.spvasm.expected.hlsl

@@ -1,5 +1,5 @@
 void main_1() {
-  const float x_24 = float3(4.0f, 5.0f, 6.0f).y;
+  const float x_24 = 5.0f;
   return;
 }
 

test/tint/access/let/matrix.spvasm.expected.msl

@@ -2,7 +2,7 @@
 
 using namespace metal;
 void main_1() {
-  float const x_24 = float3(4.0f, 5.0f, 6.0f)[1];
+  float const x_24 = 5.0f;
   return;
 }
 

test/tint/access/let/matrix.spvasm.expected.spvasm

@@ -1,7 +1,7 @@
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0
-; Bound: 28
+; Bound: 10
 ; Schema: 0
                OpCapability Shader
                OpMemoryModel Logical GLSL450
@@ -12,31 +12,13 @@
        %void = OpTypeVoid
           %1 = OpTypeFunction %void
       %float = OpTypeFloat 32
-    %v3float = OpTypeVector %float 3
-%mat3v3float = OpTypeMatrix %v3float 3
-    %float_1 = OpConstant %float 1
-    %float_2 = OpConstant %float 2
-    %float_3 = OpConstant %float 3
-         %11 = OpConstantComposite %v3float %float_1 %float_2 %float_3
-    %float_4 = OpConstant %float 4
     %float_5 = OpConstant %float 5
-    %float_6 = OpConstant %float 6
-         %15 = OpConstantComposite %v3float %float_4 %float_5 %float_6
-    %float_7 = OpConstant %float 7
-    %float_8 = OpConstant %float 8
-    %float_9 = OpConstant %float 9
-         %19 = OpConstantComposite %v3float %float_7 %float_8 %float_9
-         %20 = OpConstantComposite %mat3v3float %11 %15 %19
-       %uint = OpTypeInt 32 0
-     %uint_1 = OpConstant %uint 1
      %main_1 = OpFunction %void None %1
           %4 = OpLabel
-         %23 = OpCompositeExtract %v3float %20 1
-         %24 = OpCompositeExtract %float %23 1
                OpReturn
                OpFunctionEnd
        %main = OpFunction %void None %1
-         %26 = OpLabel
+          %8 = OpLabel
-         %27 = OpFunctionCall %void %main_1
+          %9 = OpFunctionCall %void %main_1
                OpReturn
                OpFunctionEnd

test/tint/access/let/vector.spvasm.expected.glsl

@@ -1,9 +1,9 @@
 #version 310 es
 
 void main_1() {
-  float x_11 = vec3(1.0f, 2.0f, 3.0f).y;
+  float x_11 = 2.0f;
-  vec2 x_13 = vec2(vec3(1.0f, 2.0f, 3.0f).x, vec3(1.0f, 2.0f, 3.0f).z);
+  vec2 x_13 = vec2(1.0f, 3.0f);
-  vec3 x_14 = vec3(vec3(1.0f, 2.0f, 3.0f).x, vec3(1.0f, 2.0f, 3.0f).z, vec3(1.0f, 2.0f, 3.0f).y);
+  vec3 x_14 = vec3(1.0f, 3.0f, 2.0f);
   return;
 }
 

test/tint/access/let/vector.spvasm.expected.hlsl

@@ -1,7 +1,7 @@
 void main_1() {
-  const float x_11 = float3(1.0f, 2.0f, 3.0f).y;
+  const float x_11 = 2.0f;
-  const float2 x_13 = float2(float3(1.0f, 2.0f, 3.0f).x, float3(1.0f, 2.0f, 3.0f).z);
+  const float2 x_13 = float2(1.0f, 3.0f);
-  const float3 x_14 = float3(float3(1.0f, 2.0f, 3.0f).x, float3(1.0f, 2.0f, 3.0f).z, float3(1.0f, 2.0f, 3.0f).y);
+  const float3 x_14 = float3(1.0f, 3.0f, 2.0f);
   return;
 }
 

test/tint/access/let/vector.spvasm.expected.msl

@@ -2,9 +2,9 @@
 
 using namespace metal;
 void main_1() {
-  float const x_11 = float3(1.0f, 2.0f, 3.0f)[1];
+  float const x_11 = 2.0f;
-  float2 const x_13 = float2(float3(1.0f, 2.0f, 3.0f)[0], float3(1.0f, 2.0f, 3.0f)[2]);
+  float2 const x_13 = float2(1.0f, 3.0f);
-  float3 const x_14 = float3(float3(1.0f, 2.0f, 3.0f)[0], float3(1.0f, 2.0f, 3.0f)[2], float3(1.0f, 2.0f, 3.0f)[1]);
+  float3 const x_14 = float3(1.0f, 3.0f, 2.0f);
   return;
 }
 

test/tint/access/let/vector.spvasm.expected.spvasm

@@ -1,7 +1,7 @@
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0
-; Bound: 23
+; Bound: 16
 ; Schema: 0
                OpCapability Shader
                OpMemoryModel Logical GLSL450
@@ -12,26 +12,19 @@
        %void = OpTypeVoid
           %1 = OpTypeFunction %void
       %float = OpTypeFloat 32
-    %v3float = OpTypeVector %float 3
-    %float_1 = OpConstant %float 1
     %float_2 = OpConstant %float 2
-    %float_3 = OpConstant %float 3
-         %10 = OpConstantComposite %v3float %float_1 %float_2 %float_3
     %v2float = OpTypeVector %float 2
+    %float_1 = OpConstant %float 1
+    %float_3 = OpConstant %float 3
+         %10 = OpConstantComposite %v2float %float_1 %float_3
+    %v3float = OpTypeVector %float 3
+         %12 = OpConstantComposite %v3float %float_1 %float_3 %float_2
      %main_1 = OpFunction %void None %1
           %4 = OpLabel
-         %11 = OpCompositeExtract %float %10 1
-         %13 = OpCompositeExtract %float %10 0
-         %14 = OpCompositeExtract %float %10 2
-         %15 = OpCompositeConstruct %v2float %13 %14
-         %16 = OpCompositeExtract %float %10 0
-         %17 = OpCompositeExtract %float %10 2
-         %18 = OpCompositeExtract %float %10 1
-         %19 = OpCompositeConstruct %v3float %16 %17 %18
                OpReturn
                OpFunctionEnd
        %main = OpFunction %void None %1
-         %21 = OpLabel
+         %14 = OpLabel
-         %22 = OpFunctionCall %void %main_1
+         %15 = OpFunctionCall %void %main_1
                OpReturn
                OpFunctionEnd

test/tint/bug/chromium/1341475.wgsl

@@ -0,0 +1,4 @@
+@compute @workgroup_size(1)
+fn main() {
+    _ = mix(1.0, vec2(1.0).y, 1.0);
+}

test/tint/bug/chromium/1341475.wgsl.expected.glsl

@@ -0,0 +1,11 @@
+#version 310 es
+
+void tint_symbol() {
+  mix(1.0f, 1.0f, 1.0f);
+}
+
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void main() {
+  tint_symbol();
+  return;
+}

test/tint/bug/chromium/1341475.wgsl.expected.hlsl

@@ -0,0 +1,5 @@
+[numthreads(1, 1, 1)]
+void main() {
+  lerp(1.0f, 1.0f, 1.0f);
+  return;
+}

test/tint/bug/chromium/1341475.wgsl.expected.msl

@@ -0,0 +1,8 @@
+#include <metal_stdlib>
+
+using namespace metal;
+kernel void tint_symbol() {
+  mix(1.0f, 1.0f, 1.0f);
+  return;
+}
+

test/tint/bug/chromium/1341475.wgsl.expected.spvasm

@@ -0,0 +1,20 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 9
+; Schema: 0
+               OpCapability Shader
+          %7 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint GLCompute %main "main"
+               OpExecutionMode %main LocalSize 1 1 1
+               OpName %main "main"
+       %void = OpTypeVoid
+          %1 = OpTypeFunction %void
+      %float = OpTypeFloat 32
+    %float_1 = OpConstant %float 1
+       %main = OpFunction %void None %1
+          %4 = OpLabel
+          %5 = OpExtInst %float %7 FMix %float_1 %float_1 %float_1
+               OpReturn
+               OpFunctionEnd

test/tint/bug/chromium/1341475.wgsl.expected.wgsl

@@ -0,0 +1,4 @@
+@compute @workgroup_size(1)
+fn main() {
+  _ = mix(1.0, vec2(1.0).y, 1.0);
+}

test/tint/bug/tint/749.spvasm.expected.glsl

@@ -22,7 +22,7 @@ void swap_i1_i1_(inout int i, inout int j) {
   int x_932 = temp;
   temp = 0;
   temp = x_932;
-  vec3 x_523 = vec3(vec3(1.0f, 2.0f, 3.0f).z, vec3(1.0f, 2.0f, 3.0f).y, vec3(1.0f, 2.0f, 3.0f).z);
+  vec3 x_523 = vec3(3.0f, 2.0f, 3.0f);
   int x_933 = i;
   i = 0;
   i = x_933;
@@ -46,7 +46,7 @@ void swap_i1_i1_(inout int i, inout int j) {
   int x_938 = j;
   j = 0;
   j = x_938;
-  vec3 x_525 = vec3(x_523.z, vec3(1.0f, 2.0f, 3.0f).x, x_523.y);
+  vec3 x_525 = vec3(x_523.z, 1.0f, x_523.y);
   int x_939 = i;
   i = 0;
   i = x_939;
@@ -136,7 +136,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
   int x_955 = param_3;
   param_3 = 0;
   param_3 = x_955;
-  vec3 x_534 = vec3(vec3(1.0f, 2.0f, 3.0f).z, vec3(1.0f, 2.0f, 3.0f).x, vec3(1.0f, 2.0f, 3.0f).z);
+  vec3 x_534 = vec3(3.0f, 1.0f, 3.0f);
   int x_956 = param_1;
   param_1 = 0;
   param_1 = x_956;
@@ -172,7 +172,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
     int x_963 = pivot;
     pivot = 0;
     pivot = x_963;
-    x_537 = vec2(vec3(1.0f, 2.0f, 3.0f).y, vec3(1.0f, 2.0f, 3.0f).z);
+    x_537 = vec2(2.0f, 3.0f);
     QuicksortObject x_964 = obj;
     int tint_symbol_11[10] = int[10](0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
     QuicksortObject tint_symbol_12 = QuicksortObject(tint_symbol_11);
@@ -215,7 +215,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
     obj = tint_symbol_14;
     obj = x_972;
     int x_63 = pivot;
-    vec2 x_540 = vec2(vec3(1.0f, 2.0f, 3.0f).y, x_534.z);
+    vec2 x_540 = vec2(2.0f, x_534.z);
     int x_973 = i_1;
     i_1 = 0;
     i_1 = x_973;
@@ -246,7 +246,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
       int x_980 = l;
       l = 0;
       l = x_980;
-      vec3 x_544 = vec3(vec3(1.0f, 2.0f, 3.0f).z, vec3(1.0f, 2.0f, 3.0f).y, x_540.x);
+      vec3 x_544 = vec3(3.0f, 2.0f, x_540.x);
       int x_70 = i_1;
       vec2 x_545 = vec2(x_537.y, x_538.x);
       int x_981 = param;
@@ -346,7 +346,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
   int x_1003 = l;
   l = 0;
   l = x_1003;
-  vec2 x_554 = vec2(x_536.z, vec3(1.0f, 2.0f, 3.0f).y);
+  vec2 x_554 = vec2(x_536.z, 2.0f);
   int x_1004 = param_1;
   param_1 = 0;
   param_1 = x_1004;
@@ -378,7 +378,7 @@ void quicksort_() {
   int tint_symbol_19[10] = int[10](0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
   stack = tint_symbol_19;
   stack = x_1008;
-  vec2 x_556 = vec2(vec3(1.0f, 2.0f, 3.0f).y, vec3(1.0f, 2.0f, 3.0f).y);
+  vec2 x_556 = vec2(2.0f);
   int x_1009 = param_5;
   param_5 = 0;
   param_5 = x_1009;
@@ -387,7 +387,7 @@ void quicksort_() {
   p = 0;
   p = x_1010;
   int x_93 = top;
-  vec2 x_557 = vec2(vec3(1.0f, 2.0f, 3.0f).x, vec3(1.0f, 2.0f, 3.0f).x);
+  vec2 x_557 = vec2(1.0f);
   int x_1011 = p;
   p = 0;
   p = x_1011;
@@ -431,7 +431,7 @@ void quicksort_() {
   int x_1020 = param_4;
   param_4 = 0;
   param_4 = x_1020;
-  vec3 x_562 = vec3(vec3(1.0f, 2.0f, 3.0f).z, x_558.y, vec3(1.0f, 2.0f, 3.0f).y);
+  vec3 x_562 = vec3(3.0f, x_558.y, 2.0f);
   int x_1021 = stack[x_96_save];
   stack[x_96_save] = 0;
   stack[x_96_save] = x_1021;
@@ -534,7 +534,7 @@ void quicksort_() {
     int x_1043 = stack[x_100_save];
     stack[x_100_save] = 0;
     stack[x_100_save] = x_1043;
-    vec2 x_573 = vec2(vec3(1.0f, 2.0f, 3.0f).y, vec3(1.0f, 2.0f, 3.0f).z);
+    vec2 x_573 = vec2(2.0f, 3.0f);
     top = (x_112 - 1);
     int x_1044 = param_5;
     param_5 = 0;
@@ -566,7 +566,7 @@ void quicksort_() {
     stack[x_110_save] = x_1050;
     vec2 x_577 = vec2(x_569.y, x_569.z);
     int x_120 = h_1;
-    vec2 x_578 = vec2(x_558.x, vec3(1.0f, 2.0f, 3.0f).y);
+    vec2 x_578 = vec2(x_558.x, 2.0f);
     param_5 = x_120;
     int x_1051 = stack[x_100_save];
     stack[x_100_save] = 0;
@@ -676,7 +676,7 @@ void quicksort_() {
     int x_1076 = stack[x_96_save];
     stack[x_96_save] = 0;
     stack[x_96_save] = x_1076;
-    vec2 x_592 = vec2(vec3(1.0f, 2.0f, 3.0f).x, vec3(1.0f, 2.0f, 3.0f).y);
+    vec2 x_592 = vec2(1.0f, 2.0f);
     QuicksortObject x_1077 = obj;
     int tint_symbol_31[10] = int[10](0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
     QuicksortObject tint_symbol_32 = QuicksortObject(tint_symbol_31);
@@ -821,7 +821,7 @@ void main_1() {
     QuicksortObject tint_symbol_40 = QuicksortObject(tint_symbol_39);
     obj = tint_symbol_40;
     obj = x_722;
-    vec2 x_431 = vec2(vec3(1.0f, 2.0f, 3.0f).x, vec3(1.0f, 2.0f, 3.0f).x);
+    vec2 x_431 = vec2(1.0f);
     int x_158 = i_2;
     vec2 x_723 = uv;
     uv = vec2(0.0f);
@@ -841,7 +841,7 @@ void main_1() {
   QuicksortObject tint_symbol_44 = QuicksortObject(tint_symbol_43);
   obj = tint_symbol_44;
   obj = x_756;
-  vec2 x_446 = vec2(vec2(0.0f).x, vec2(0.0f).x);
+  vec2 x_446 = vec2(0.0f);
   int x_757 = i_2;
   i_2 = 0;
   i_2 = x_757;
@@ -855,7 +855,7 @@ void main_1() {
   vec2 x_759 = uv;
   uv = vec2(0.0f);
   uv = x_759;
-  vec2 x_447 = vec2(vec2(0.0f).y, vec2(0.0f).y);
+  vec2 x_447 = vec2(0.0f);
   vec2 x_760 = uv;
   uv = vec2(0.0f);
   uv = x_760;
@@ -875,7 +875,7 @@ void main_1() {
   QuicksortObject tint_symbol_50 = QuicksortObject(tint_symbol_49);
   obj = tint_symbol_50;
   obj = x_763;
-  vec3 x_449 = vec3(x_184.y, vec3(1.0f, 2.0f, 3.0f).z, x_184.w);
+  vec3 x_449 = vec3(x_184.y, 3.0f, x_184.w);
   vec3 x_764 = color;
   color = vec3(0.0f);
   color = x_764;
@@ -919,7 +919,7 @@ void main_1() {
   float x_773 = color.x;
   color.x = 0.0f;
   color.x = x_773;
-  vec2 x_452 = vec2(vec3(1.0f, 2.0f, 3.0f).z, vec3(1.0f, 2.0f, 3.0f).y);
+  vec2 x_452 = vec2(3.0f, 2.0f);
   int x_774 = i_2;
   i_2 = 0;
   i_2 = x_774;
@@ -954,7 +954,7 @@ void main_1() {
     int x_781 = obj.numbers[0u];
     obj.numbers[0u] = 0;
     obj.numbers[0u] = x_781;
-    vec3 x_456 = vec3(vec2(0.0f).y, x_448.y, x_448.y);
+    vec3 x_456 = vec3(0.0f, x_448.y, x_448.y);
     float x_782 = uv.x;
     uv.x = 0.0f;
     uv.x = x_782;
@@ -973,7 +973,7 @@ void main_1() {
     QuicksortObject tint_symbol_64 = QuicksortObject(tint_symbol_63);
     obj = tint_symbol_64;
     obj = x_785;
-    vec2 x_458 = vec2(vec3(1.0f, 2.0f, 3.0f).z, vec2(0.0f).y);
+    vec2 x_458 = vec2(3.0f, 0.0f);
     int x_786 = i_2;
     i_2 = 0;
     i_2 = x_786;
@@ -1013,7 +1013,7 @@ void main_1() {
   float x_796 = uv.x;
   uv.x = 0.0f;
   uv.x = x_796;
-  vec2 x_461 = vec2(vec2(0.0f).y, vec2(0.0f).y);
+  vec2 x_461 = vec2(0.0f);
   float x_797 = uv.x;
   uv.x = 0.0f;
   uv.x = x_797;
@@ -1057,7 +1057,7 @@ void main_1() {
     int x_808 = i_2;
     i_2 = 0;
     i_2 = x_808;
-    vec2 x_466 = vec2(x_455.y, vec2(0.0f).y);
+    vec2 x_466 = vec2(x_455.y, 0.0f);
     int x_809 = i_2;
     i_2 = 0;
     i_2 = x_809;
@@ -1111,7 +1111,7 @@ void main_1() {
     int x_822 = obj.numbers[0u];
     obj.numbers[0u] = 0;
     obj.numbers[0u] = x_822;
-    vec2 x_470 = vec2(vec2(0.0f).x, vec2(0.0f).y);
+    vec2 x_470 = vec2(0.0f);
     float x_823 = color.z;
     color.z = 0.0f;
     color.z = x_823;
@@ -1153,7 +1153,7 @@ void main_1() {
   color.x = x_832;
   vec2 x_476 = vec2(x_451.z, x_460.y);
   color.y = (x_257 + float(x_254));
-  vec3 x_477 = vec3(vec2(0.0f).x, x_472.x, vec2(0.0f).y);
+  vec3 x_477 = vec3(0.0f, x_472.x, 0.0f);
   float x_833 = uv.x;
   uv.x = 0.0f;
   uv.x = x_833;
@@ -1168,14 +1168,14 @@ void main_1() {
   int x_836 = i_2;
   i_2 = 0;
   i_2 = x_836;
-  vec3 x_479 = vec3(vec2(0.0f).y, x_454.y, vec2(0.0f).x);
+  vec3 x_479 = vec3(0.0f, x_454.y, 0.0f);
   int x_837 = obj.numbers[0u];
   obj.numbers[0u] = 0;
   obj.numbers[0u] = x_837;
   float x_838 = color.y;
   color.y = 0.0f;
   color.y = x_838;
-  vec3 x_480 = vec3(x_446.x, x_446.x, vec2(0.0f).y);
+  vec3 x_480 = vec3(x_446.x, x_446.x, 0.0f);
   float x_839 = uv.x;
   uv.x = 0.0f;
   uv.x = x_839;
@@ -1281,7 +1281,7 @@ void main_1() {
     float x_865 = color.x;
     color.x = 0.0f;
     color.x = x_865;
-    vec2 x_491 = vec2(vec3(1.0f, 2.0f, 3.0f).y, x_454.x);
+    vec2 x_491 = vec2(2.0f, x_454.x);
     float x_866 = color.y;
     color.y = 0.0f;
     color.y = x_866;
@@ -1382,7 +1382,7 @@ void main_1() {
   float x_891 = color.y;
   color.y = 0.0f;
   color.y = x_891;
-  vec2 x_504 = vec2(x_453.y, vec2(0.0f).x);
+  vec2 x_504 = vec2(x_453.y, 0.0f);
   float x_892 = color.x;
   color.x = 0.0f;
   color.x = x_892;
@@ -1431,7 +1431,7 @@ void main_1() {
   float x_904 = color.z;
   color.z = 0.0f;
   color.z = x_904;
-  vec3 x_510 = vec3(vec3(1.0f, 2.0f, 3.0f).y, x_485.y, x_485.z);
+  vec3 x_510 = vec3(2.0f, x_485.y, x_485.z);
   float x_905 = color.z;
   color.z = 0.0f;
   color.z = x_905;
@@ -1485,7 +1485,7 @@ void main_1() {
     float x_918 = uv.x;
     uv.x = 0.0f;
     uv.x = x_918;
-    vec3 x_517 = vec3(vec2(0.0f).x, vec2(0.0f).x, vec2(0.0f).y);
+    vec3 x_517 = vec3(0.0f);
     color.x = (float(x_317) + x_320);
     float x_919 = color.x;
     color.x = 0.0f;
@@ -1528,7 +1528,7 @@ void main_1() {
   float x_928 = uv.y;
   uv.y = 0.0f;
   uv.y = x_928;
-  vec3 x_521 = vec3(vec3(1.0f, 2.0f, 3.0f).y, vec3(1.0f, 2.0f, 3.0f).y, x_520.y);
+  vec3 x_521 = vec3(2.0f, 2.0f, x_520.y);
   float x_929 = uv.x;
   uv.x = 0.0f;
   uv.x = x_929;

test/tint/bug/tint/749.spvasm.expected.hlsl

@@ -14,7 +14,7 @@ void swap_i1_i1_(inout int i, inout int j) {
   const int x_932 = temp;
   temp = 0;
   temp = x_932;
-  const float3 x_523 = float3(float3(1.0f, 2.0f, 3.0f).z, float3(1.0f, 2.0f, 3.0f).y, float3(1.0f, 2.0f, 3.0f).z);
+  const float3 x_523 = float3(3.0f, 2.0f, 3.0f);
   const int x_933 = i;
   i = 0;
   i = x_933;
@@ -46,7 +46,7 @@ void swap_i1_i1_(inout int i, inout int j) {
   const int x_938 = j;
   j = 0;
   j = x_938;
-  const float3 x_525 = float3(x_523.z, float3(1.0f, 2.0f, 3.0f).x, x_523.y);
+  const float3 x_525 = float3(x_523.z, 1.0f, x_523.y);
   const int x_939 = i;
   i = 0;
   i = x_939;
@@ -192,7 +192,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
   const int x_955 = param_3;
   param_3 = 0;
   param_3 = x_955;
-  const float3 x_534 = float3(float3(1.0f, 2.0f, 3.0f).z, float3(1.0f, 2.0f, 3.0f).x, float3(1.0f, 2.0f, 3.0f).z);
+  const float3 x_534 = float3(3.0f, 1.0f, 3.0f);
   const int x_956 = param_1;
   param_1 = 0;
   param_1 = x_956;
@@ -228,7 +228,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
     const int x_963 = pivot;
     pivot = 0;
     pivot = x_963;
-    x_537 = float2(float3(1.0f, 2.0f, 3.0f).y, float3(1.0f, 2.0f, 3.0f).z);
+    x_537 = float2(2.0f, 3.0f);
     const QuicksortObject x_964 = obj;
     const int tint_symbol_60[10] = (int[10])0;
     const QuicksortObject tint_symbol_61 = {tint_symbol_60};
@@ -279,7 +279,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
     obj = tint_symbol_63;
     obj = x_972;
     const int x_63 = pivot;
-    const float2 x_540 = float2(float3(1.0f, 2.0f, 3.0f).y, x_534.z);
+    const float2 x_540 = float2(2.0f, x_534.z);
     const int x_973 = i_1;
     i_1 = 0;
     i_1 = x_973;
@@ -310,7 +310,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
       const int x_980 = l;
       l = 0;
       l = x_980;
-      const float3 x_544 = float3(float3(1.0f, 2.0f, 3.0f).z, float3(1.0f, 2.0f, 3.0f).y, x_540.x);
+      const float3 x_544 = float3(3.0f, 2.0f, x_540.x);
       const int x_70 = i_1;
       const float2 x_545 = float2(x_537.y, x_538.x);
       const int x_981 = param;
@@ -434,7 +434,7 @@ int performPartition_i1_i1_(inout int l, inout int h) {
   const int x_1003 = l;
   l = 0;
   l = x_1003;
-  const float2 x_554 = float2(x_536.z, float3(1.0f, 2.0f, 3.0f).y);
+  const float2 x_554 = float2(x_536.z, 2.0f);
   const int x_1004 = param_1;
   param_1 = 0;
   param_1 = x_1004;
@@ -466,7 +466,7 @@ void quicksort_() {
   const int tint_symbol_68[10] = (int[10])0;
   stack = tint_symbol_68;
   stack = x_1008;
-  const float2 x_556 = float2(float3(1.0f, 2.0f, 3.0f).y, float3(1.0f, 2.0f, 3.0f).y);
+  const float2 x_556 = (2.0f).xx;
   const int x_1009 = param_5;
   param_5 = 0;
   param_5 = x_1009;
@@ -475,7 +475,7 @@ void quicksort_() {
   p = 0;
   p = x_1010;
   const int x_93 = top;
-  const float2 x_557 = float2(float3(1.0f, 2.0f, 3.0f).x, float3(1.0f, 2.0f, 3.0f).x);
+  const float2 x_557 = (1.0f).xx;
   const int x_1011 = p;
   p = 0;
   p = x_1011;
@@ -519,7 +519,7 @@ void quicksort_() {
   const int x_1020 = param_4;
   param_4 = 0;
   param_4 = x_1020;
-  const float3 x_562 = float3(float3(1.0f, 2.0f, 3.0f).z, x_558.y, float3(1.0f, 2.0f, 3.0f).y);
+  const float3 x_562 = float3(3.0f, x_558.y, 2.0f);
   const int x_1021 = stack[x_96_save];
   stack[x_96_save] = 0;
   stack[x_96_save] = x_1021;
@@ -622,7 +622,7 @@ void quicksort_() {
     const int x_1043 = stack[x_100_save];
     stack[x_100_save] = 0;
     stack[x_100_save] = x_1043;
-    const float2 x_573 = float2(float3(1.0f, 2.0f, 3.0f).y, float3(1.0f, 2.0f, 3.0f).z);
+    const float2 x_573 = float2(2.0f, 3.0f);
     top = (x_112 - 1);
     const int x_1044 = param_5;
     param_5 = 0;
@@ -654,7 +654,7 @@ void quicksort_() {
     stack[x_110_save] = x_1050;
     const float2 x_577 = float2(x_569.y, x_569.z);
     const int x_120 = h_1;
-    const float2 x_578 = float2(x_558.x, float3(1.0f, 2.0f, 3.0f).y);
+    const float2 x_578 = float2(x_558.x, 2.0f);
     param_5 = x_120;
     const int x_1051 = stack[x_100_save];
     stack[x_100_save] = 0;
@@ -764,7 +764,7 @@ void quicksort_() {
     const int x_1076 = stack[x_96_save];
     stack[x_96_save] = 0;
     stack[x_96_save] = x_1076;
-    const float2 x_592 = float2(float3(1.0f, 2.0f, 3.0f).x, float3(1.0f, 2.0f, 3.0f).y);
+    const float2 x_592 = float2(1.0f, 2.0f);
     const QuicksortObject x_1077 = obj;
     const int tint_symbol_80[10] = (int[10])0;
     const QuicksortObject tint_symbol_81 = {tint_symbol_80};
@@ -909,7 +909,7 @@ void main_1() {
     const QuicksortObject tint_symbol_89 = {tint_symbol_88};
     obj = tint_symbol_89;
     obj = x_722;
-    const float2 x_431 = float2(float3(1.0f, 2.0f, 3.0f).x, float3(1.0f, 2.0f, 3.0f).x);
+    const float2 x_431 = (1.0f).xx;
     const int x_158 = i_2;
     const float2 x_723 = uv;
     uv = (0.0f).xx;
@@ -929,7 +929,7 @@ void main_1() {
   const QuicksortObject tint_symbol_93 = {tint_symbol_92};
   obj = tint_symbol_93;
   obj = x_756;
-  const float2 x_446 = float2((0.0f).xx.x, (0.0f).xx.x);
+  const float2 x_446 = (0.0f).xx;
   const int x_757 = i_2;
   i_2 = 0;
   i_2 = x_757;
@@ -943,7 +943,7 @@ void main_1() {
   const float2 x_759 = uv;
   uv = (0.0f).xx;
   uv = x_759;
-  const float2 x_447 = float2((0.0f).xx.y, (0.0f).xx.y);
+  const float2 x_447 = (0.0f).xx;
   const float2 x_760 = uv;
   uv = (0.0f).xx;
   uv = x_760;
@@ -963,7 +963,7 @@ void main_1() {
   const QuicksortObject tint_symbol_99 = {tint_symbol_98};
   obj = tint_symbol_99;
   obj = x_763;
-  const float3 x_449 = float3(x_184.y, float3(1.0f, 2.0f, 3.0f).z, x_184.w);
+  const float3 x_449 = float3(x_184.y, 3.0f, x_184.w);
   const float3 x_764 = color;
   color = (0.0f).xxx;
   color = x_764;
@@ -1007,7 +1007,7 @@ void main_1() {
   const float x_773 = color.x;
   color.x = 0.0f;
   color.x = x_773;
-  const float2 x_452 = float2(float3(1.0f, 2.0f, 3.0f).z, float3(1.0f, 2.0f, 3.0f).y);
+  const float2 x_452 = float2(3.0f, 2.0f);
   const int x_774 = i_2;
   i_2 = 0;
   i_2 = x_774;
@@ -1042,7 +1042,7 @@ void main_1() {
     const int x_781 = obj.numbers[0u];
     obj.numbers[0u] = 0;
     obj.numbers[0u] = x_781;
-    const float3 x_456 = float3((0.0f).xx.y, x_448.y, x_448.y);
+    const float3 x_456 = float3(0.0f, x_448.y, x_448.y);
     const float x_782 = uv.x;
     uv.x = 0.0f;
     uv.x = x_782;
@@ -1061,7 +1061,7 @@ void main_1() {
     const QuicksortObject tint_symbol_113 = {tint_symbol_112};
     obj = tint_symbol_113;
     obj = x_785;
-    const float2 x_458 = float2(float3(1.0f, 2.0f, 3.0f).z, (0.0f).xx.y);
+    const float2 x_458 = float2(3.0f, 0.0f);
     const int x_786 = i_2;
     i_2 = 0;
     i_2 = x_786;
@@ -1101,7 +1101,7 @@ void main_1() {
   const float x_796 = uv.x;
   uv.x = 0.0f;
   uv.x = x_796;
-  const float2 x_461 = float2((0.0f).xx.y, (0.0f).xx.y);
+  const float2 x_461 = (0.0f).xx;
   const float x_797 = uv.x;
   uv.x = 0.0f;
   uv.x = x_797;
@@ -1145,7 +1145,7 @@ void main_1() {
     const int x_808 = i_2;
     i_2 = 0;
     i_2 = x_808;
-    const float2 x_466 = float2(x_455.y, (0.0f).xx.y);
+    const float2 x_466 = float2(x_455.y, 0.0f);
     const int x_809 = i_2;
     i_2 = 0;
     i_2 = x_809;
@@ -1199,7 +1199,7 @@ void main_1() {
     const int x_822 = obj.numbers[0u];
     obj.numbers[0u] = 0;
     obj.numbers[0u] = x_822;
-    const float2 x_470 = float2((0.0f).xx.x, (0.0f).xx.y);
+    const float2 x_470 = (0.0f).xx;
     const float x_823 = color.z;
     color.z = 0.0f;
     color.z = x_823;
@@ -1241,7 +1241,7 @@ void main_1() {
   color.x = x_832;
   const float2 x_476 = float2(x_451.z, x_460.y);
   color.y = (x_257 + float(x_254));
-  const float3 x_477 = float3((0.0f).xx.x, x_472.x, (0.0f).xx.y);
+  const float3 x_477 = float3(0.0f, x_472.x, 0.0f);
   const float x_833 = uv.x;
   uv.x = 0.0f;
   uv.x = x_833;
@@ -1256,14 +1256,14 @@ void main_1() {
   const int x_836 = i_2;
   i_2 = 0;
   i_2 = x_836;
-  const float3 x_479 = float3((0.0f).xx.y, x_454.y, (0.0f).xx.x);
+  const float3 x_479 = float3(0.0f, x_454.y, 0.0f);
   const int x_837 = obj.numbers[0u];
   obj.numbers[0u] = 0;
   obj.numbers[0u] = x_837;
   const float x_838 = color.y;
   color.y = 0.0f;
   color.y = x_838;
-  const float3 x_480 = float3(x_446.x, x_446.x, (0.0f).xx.y);
+  const float3 x_480 = float3(x_446.x, x_446.x, 0.0f);
   const float x_839 = uv.x;
   uv.x = 0.0f;
   uv.x = x_839;
@@ -1369,7 +1369,7 @@ void main_1() {
     const float x_865 = color.x;
     color.x = 0.0f;
     color.x = x_865;
-    const float2 x_491 = float2(float3(1.0f, 2.0f, 3.0f).y, x_454.x);
+    const float2 x_491 = float2(2.0f, x_454.x);
     const float x_866 = color.y;
     color.y = 0.0f;
     color.y = x_866;
@@ -1470,7 +1470,7 @@ void main_1() {
   const float x_891 = color.y;
   color.y = 0.0f;
   color.y = x_891;
-  const float2 x_504 = float2(x_453.y, (0.0f).xx.x);
+  const float2 x_504 = float2(x_453.y, 0.0f);
   const float x_892 = color.x;
   color.x = 0.0f;
   color.x = x_892;
@@ -1519,7 +1519,7 @@ void main_1() {
   const float x_904 = color.z;
   color.z = 0.0f;
   color.z = x_904;
-  const float3 x_510 = float3(float3(1.0f, 2.0f, 3.0f).y, x_485.y, x_485.z);
+  const float3 x_510 = float3(2.0f, x_485.y, x_485.z);
   const float x_905 = color.z;
   color.z = 0.0f;
   color.z = x_905;
@@ -1573,7 +1573,7 @@ void main_1() {
     const float x_918 = uv.x;
     uv.x = 0.0f;
     uv.x = x_918;
-    const float3 x_517 = float3((0.0f).xx.x, (0.0f).xx.x, (0.0f).xx.y);
+    const float3 x_517 = (0.0f).xxx;
     color.x = (float(x_317) + x_320);
     const float x_919 = color.x;
     color.x = 0.0f;
@@ -1616,7 +1616,7 @@ void main_1() {
   const float x_928 = uv.y;
   uv.y = 0.0f;
   uv.y = x_928;
-  const float3 x_521 = float3(float3(1.0f, 2.0f, 3.0f).y, float3(1.0f, 2.0f, 3.0f).y, x_520.y);
+  const float3 x_521 = float3(2.0f, 2.0f, x_520.y);
   const float x_929 = uv.x;
   uv.x = 0.0f;
   uv.x = x_929;

test/tint/bug/tint/749.spvasm.expected.msl

@@ -27,7 +27,7 @@ void swap_i1_i1_(thread int* const i, thread int* const j, thread QuicksortObjec
   int const x_932 = temp;
   temp = 0;
   temp = x_932;
-  float3 const x_523 = float3(float3(1.0f, 2.0f, 3.0f)[2], float3(1.0f, 2.0f, 3.0f)[1], float3(1.0f, 2.0f, 3.0f)[2]);
+  float3 const x_523 = float3(3.0f, 2.0f, 3.0f);
   int const x_933 = *(i);
   *(i) = 0;
   *(i) = x_933;
@@ -51,7 +51,7 @@ void swap_i1_i1_(thread int* const i, thread int* const j, thread QuicksortObjec
   int const x_938 = *(j);
   *(j) = 0;
   *(j) = x_938;
-  float3 const x_525 = float3(x_523[2], float3(1.0f, 2.0f, 3.0f)[0], x_523[1]);
+  float3 const x_525 = float3(x_523[2], 1.0f, x_523[1]);
   int const x_939 = *(i);
   *(i) = 0;
   *(i) = x_939;
@@ -141,7 +141,7 @@ int performPartition_i1_i1_(thread int* const l, thread int* const h, thread Qui
   int const x_955 = param_3;
   param_3 = 0;
   param_3 = x_955;
-  float3 const x_534 = float3(float3(1.0f, 2.0f, 3.0f)[2], float3(1.0f, 2.0f, 3.0f)[0], float3(1.0f, 2.0f, 3.0f)[2]);
+  float3 const x_534 = float3(3.0f, 1.0f, 3.0f);
   int const x_956 = param_1;
   param_1 = 0;
   param_1 = x_956;
@@ -177,7 +177,7 @@ int performPartition_i1_i1_(thread int* const l, thread int* const h, thread Qui
     int const x_963 = pivot;
     pivot = 0;
     pivot = x_963;
-    x_537 = float2(float3(1.0f, 2.0f, 3.0f)[1], float3(1.0f, 2.0f, 3.0f)[2]);
+    x_537 = float2(2.0f, 3.0f);
     QuicksortObject const x_964 = *(tint_symbol_82);
     tint_array<int, 10> const tint_symbol_10 = tint_array<int, 10>{};
     QuicksortObject const tint_symbol_11 = {.numbers=tint_symbol_10};
@@ -220,7 +220,7 @@ int performPartition_i1_i1_(thread int* const l, thread int* const h, thread Qui
     *(tint_symbol_82) = tint_symbol_13;
     *(tint_symbol_82) = x_972;
     int const x_63 = pivot;
-    float2 const x_540 = float2(float3(1.0f, 2.0f, 3.0f)[1], x_534[2]);
+    float2 const x_540 = float2(2.0f, x_534[2]);
     int const x_973 = i_1;
     i_1 = 0;
     i_1 = x_973;
@@ -251,7 +251,7 @@ int performPartition_i1_i1_(thread int* const l, thread int* const h, thread Qui
       int const x_980 = *(l);
       *(l) = 0;
       *(l) = x_980;
-      float3 const x_544 = float3(float3(1.0f, 2.0f, 3.0f)[2], float3(1.0f, 2.0f, 3.0f)[1], x_540[0]);
+      float3 const x_544 = float3(3.0f, 2.0f, x_540[0]);
       int const x_70 = i_1;
       float2 const x_545 = float2(x_537[1], x_538[0]);
       int const x_981 = param;
@@ -352,7 +352,7 @@ int performPartition_i1_i1_(thread int* const l, thread int* const h, thread Qui
   int const x_1003 = *(l);
   *(l) = 0;
   *(l) = x_1003;
-  float2 const x_554 = float2(x_536[2], float3(1.0f, 2.0f, 3.0f)[1]);
+  float2 const x_554 = float2(x_536[2], 2.0f);
   int const x_1004 = param_1;
   param_1 = 0;
   param_1 = x_1004;
@@ -384,7 +384,7 @@ void quicksort_(thread QuicksortObject* const tint_symbol_83) {
   tint_array<int, 10> const tint_symbol_18 = tint_array<int, 10>{};
   stack = tint_symbol_18;
   stack = x_1008;
-  float2 const x_556 = float2(float3(1.0f, 2.0f, 3.0f)[1], float3(1.0f, 2.0f, 3.0f)[1]);
+  float2 const x_556 = float2(2.0f);
   int const x_1009 = param_5;
   param_5 = 0;
   param_5 = x_1009;
@@ -393,7 +393,7 @@ void quicksort_(thread QuicksortObject* const tint_symbol_83) {
   p = 0;
   p = x_1010;
   int const x_93 = top;
-  float2 const x_557 = float2(float3(1.0f, 2.0f, 3.0f)[0], float3(1.0f, 2.0f, 3.0f)[0]);
+  float2 const x_557 = float2(1.0f);
   int const x_1011 = p;
   p = 0;
   p = x_1011;
@@ -437,7 +437,7 @@ void quicksort_(thread QuicksortObject* const tint_symbol_83) {
   int const x_1020 = param_4;
   param_4 = 0;
   param_4 = x_1020;
-  float3 const x_562 = float3(float3(1.0f, 2.0f, 3.0f)[2], x_558[1], float3(1.0f, 2.0f, 3.0f)[1]);
+  float3 const x_562 = float3(3.0f, x_558[1], 2.0f);
   int const x_1021 = stack[x_96_save];
   stack[x_96_save] = 0;
   stack[x_96_save] = x_1021;
@@ -540,7 +540,7 @@ void quicksort_(thread QuicksortObject* const tint_symbol_83) {
     int const x_1043 = stack[x_100_save];
     stack[x_100_save] = 0;
     stack[x_100_save] = x_1043;
-    float2 const x_573 = float2(float3(1.0f, 2.0f, 3.0f)[1], float3(1.0f, 2.0f, 3.0f)[2]);
+    float2 const x_573 = float2(2.0f, 3.0f);
     top = as_type<int>((as_type<uint>(x_112) - as_type<uint>(1)));
     int const x_1044 = param_5;
     param_5 = 0;
@@ -573,7 +573,7 @@ void quicksort_(thread QuicksortObject* const tint_symbol_83) {
     stack[x_110_save] = x_1050;
     float2 const x_577 = float2(x_569[1], x_569[2]);
     int const x_120 = h_1;
-    float2 const x_578 = float2(x_558[0], float3(1.0f, 2.0f, 3.0f)[1]);
+    float2 const x_578 = float2(x_558[0], 2.0f);
     param_5 = x_120;
     int const x_1051 = stack[x_100_save];
     stack[x_100_save] = 0;
@@ -683,7 +683,7 @@ void quicksort_(thread QuicksortObject* const tint_symbol_83) {
     int const x_1076 = stack[x_96_save];
     stack[x_96_save] = 0;
     stack[x_96_save] = x_1076;
-    float2 const x_592 = float2(float3(1.0f, 2.0f, 3.0f)[0], float3(1.0f, 2.0f, 3.0f)[1]);
+    float2 const x_592 = float2(1.0f, 2.0f);
     QuicksortObject const x_1077 = *(tint_symbol_83);
     tint_array<int, 10> const tint_symbol_30 = tint_array<int, 10>{};
     QuicksortObject const tint_symbol_31 = {.numbers=tint_symbol_30};
@@ -828,7 +828,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     QuicksortObject const tint_symbol_39 = {.numbers=tint_symbol_38};
     *(tint_symbol_84) = tint_symbol_39;
     *(tint_symbol_84) = x_722;
-    float2 const x_431 = float2(float3(1.0f, 2.0f, 3.0f)[0], float3(1.0f, 2.0f, 3.0f)[0]);
+    float2 const x_431 = float2(1.0f);
     int const x_158 = i_2;
     float2 const x_723 = uv;
     uv = float2(0.0f);
@@ -848,7 +848,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   QuicksortObject const tint_symbol_43 = {.numbers=tint_symbol_42};
   *(tint_symbol_84) = tint_symbol_43;
   *(tint_symbol_84) = x_756;
-  float2 const x_446 = float2(float2(0.0f)[0], float2(0.0f)[0]);
+  float2 const x_446 = float2(0.0f);
   int const x_757 = i_2;
   i_2 = 0;
   i_2 = x_757;
@@ -862,7 +862,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   float2 const x_759 = uv;
   uv = float2(0.0f);
   uv = x_759;
-  float2 const x_447 = float2(float2(0.0f)[1], float2(0.0f)[1]);
+  float2 const x_447 = float2(0.0f);
   float2 const x_760 = uv;
   uv = float2(0.0f);
   uv = x_760;
@@ -882,7 +882,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   QuicksortObject const tint_symbol_49 = {.numbers=tint_symbol_48};
   *(tint_symbol_84) = tint_symbol_49;
   *(tint_symbol_84) = x_763;
-  float3 const x_449 = float3(x_184[1], float3(1.0f, 2.0f, 3.0f)[2], x_184[3]);
+  float3 const x_449 = float3(x_184[1], 3.0f, x_184[3]);
   float3 const x_764 = color;
   color = float3(0.0f);
   color = x_764;
@@ -926,7 +926,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   float const x_773 = color[0];
   color[0] = 0.0f;
   color[0] = x_773;
-  float2 const x_452 = float2(float3(1.0f, 2.0f, 3.0f)[2], float3(1.0f, 2.0f, 3.0f)[1]);
+  float2 const x_452 = float2(3.0f, 2.0f);
   int const x_774 = i_2;
   i_2 = 0;
   i_2 = x_774;
@@ -961,7 +961,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     int const x_781 = (*(tint_symbol_84)).numbers[0u];
     (*(tint_symbol_84)).numbers[0u] = 0;
     (*(tint_symbol_84)).numbers[0u] = x_781;
-    float3 const x_456 = float3(float2(0.0f)[1], x_448[1], x_448[1]);
+    float3 const x_456 = float3(0.0f, x_448[1], x_448[1]);
     float const x_782 = uv[0];
     uv[0] = 0.0f;
     uv[0] = x_782;
@@ -980,7 +980,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     QuicksortObject const tint_symbol_63 = {.numbers=tint_symbol_62};
     *(tint_symbol_84) = tint_symbol_63;
     *(tint_symbol_84) = x_785;
-    float2 const x_458 = float2(float3(1.0f, 2.0f, 3.0f)[2], float2(0.0f)[1]);
+    float2 const x_458 = float2(3.0f, 0.0f);
     int const x_786 = i_2;
     i_2 = 0;
     i_2 = x_786;
@@ -1020,7 +1020,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   float const x_796 = uv[0];
   uv[0] = 0.0f;
   uv[0] = x_796;
-  float2 const x_461 = float2(float2(0.0f)[1], float2(0.0f)[1]);
+  float2 const x_461 = float2(0.0f);
   float const x_797 = uv[0];
   uv[0] = 0.0f;
   uv[0] = x_797;
@@ -1064,7 +1064,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     int const x_808 = i_2;
     i_2 = 0;
     i_2 = x_808;
-    float2 const x_466 = float2(x_455[1], float2(0.0f)[1]);
+    float2 const x_466 = float2(x_455[1], 0.0f);
     int const x_809 = i_2;
     i_2 = 0;
     i_2 = x_809;
@@ -1118,7 +1118,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     int const x_822 = (*(tint_symbol_84)).numbers[0u];
     (*(tint_symbol_84)).numbers[0u] = 0;
     (*(tint_symbol_84)).numbers[0u] = x_822;
-    float2 const x_470 = float2(float2(0.0f)[0], float2(0.0f)[1]);
+    float2 const x_470 = float2(0.0f);
     float const x_823 = color[2];
     color[2] = 0.0f;
     color[2] = x_823;
@@ -1160,7 +1160,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   color[0] = x_832;
   float2 const x_476 = float2(x_451[2], x_460[1]);
   color[1] = (x_257 + float(x_254));
-  float3 const x_477 = float3(float2(0.0f)[0], x_472[0], float2(0.0f)[1]);
+  float3 const x_477 = float3(0.0f, x_472[0], 0.0f);
   float const x_833 = uv[0];
   uv[0] = 0.0f;
   uv[0] = x_833;
@@ -1175,14 +1175,14 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   int const x_836 = i_2;
   i_2 = 0;
   i_2 = x_836;
-  float3 const x_479 = float3(float2(0.0f)[1], x_454[1], float2(0.0f)[0]);
+  float3 const x_479 = float3(0.0f, x_454[1], 0.0f);
   int const x_837 = (*(tint_symbol_84)).numbers[0u];
   (*(tint_symbol_84)).numbers[0u] = 0;
   (*(tint_symbol_84)).numbers[0u] = x_837;
   float const x_838 = color[1];
   color[1] = 0.0f;
   color[1] = x_838;
-  float3 const x_480 = float3(x_446[0], x_446[0], float2(0.0f)[1]);
+  float3 const x_480 = float3(x_446[0], x_446[0], 0.0f);
   float const x_839 = uv[0];
   uv[0] = 0.0f;
   uv[0] = x_839;
@@ -1288,7 +1288,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     float const x_865 = color[0];
     color[0] = 0.0f;
     color[0] = x_865;
-    float2 const x_491 = float2(float3(1.0f, 2.0f, 3.0f)[1], x_454[0]);
+    float2 const x_491 = float2(2.0f, x_454[0]);
     float const x_866 = color[1];
     color[1] = 0.0f;
     color[1] = x_866;
@@ -1389,7 +1389,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   float const x_891 = color[1];
   color[1] = 0.0f;
   color[1] = x_891;
-  float2 const x_504 = float2(x_453[1], float2(0.0f)[0]);
+  float2 const x_504 = float2(x_453[1], 0.0f);
   float const x_892 = color[0];
   color[0] = 0.0f;
   color[0] = x_892;
@@ -1438,7 +1438,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   float const x_904 = color[2];
   color[2] = 0.0f;
   color[2] = x_904;
-  float3 const x_510 = float3(float3(1.0f, 2.0f, 3.0f)[1], x_485[1], x_485[2]);
+  float3 const x_510 = float3(2.0f, x_485[1], x_485[2]);
   float const x_905 = color[2];
   color[2] = 0.0f;
   color[2] = x_905;
@@ -1492,7 +1492,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
     float const x_918 = uv[0];
     uv[0] = 0.0f;
     uv[0] = x_918;
-    float3 const x_517 = float3(float2(0.0f)[0], float2(0.0f)[0], float2(0.0f)[1]);
+    float3 const x_517 = float3(0.0f);
     color[0] = (float(x_317) + x_320);
     float const x_919 = color[0];
     color[0] = 0.0f;
@@ -1535,7 +1535,7 @@ void main_1(thread QuicksortObject* const tint_symbol_84, thread float4* const t
   float const x_928 = uv[1];
   uv[1] = 0.0f;
   uv[1] = x_928;
-  float3 const x_521 = float3(float3(1.0f, 2.0f, 3.0f)[1], float3(1.0f, 2.0f, 3.0f)[1], x_520[1]);
+  float3 const x_521 = float3(2.0f, 2.0f, x_520[1]);
   float const x_929 = uv[0];
   uv[0] = 0.0f;
   uv[0] = x_929;

test/tint/bug/tint/948.wgsl.expected.glsl

@@ -67,7 +67,7 @@ mat4 getFrameData_f1_(inout float frameID) {
   vec4 x_40 = texture(frameMapTexture_frameMapSampler, vec2(fX, 0.0f), 0.0f);
   vec4 x_47 = texture(frameMapTexture_frameMapSampler, vec2(fX, 0.25f), 0.0f);
   vec4 x_54 = texture(frameMapTexture_frameMapSampler, vec2(fX, 0.5f), 0.0f);
-  return mat4(vec4(x_40.x, x_40.y, x_40.z, x_40.w), vec4(x_47.x, x_47.y, x_47.z, x_47.w), vec4(x_54.x, x_54.y, x_54.z, x_54.w), vec4(vec4(0.0f).x, vec4(0.0f).y, vec4(0.0f).z, vec4(0.0f).w));
+  return mat4(vec4(x_40.x, x_40.y, x_40.z, x_40.w), vec4(x_47.x, x_47.y, x_47.z, x_47.w), vec4(x_54.x, x_54.y, x_54.z, x_54.w), vec4(0.0f));
 }
 
 uniform highp sampler2D tileMapsTexture1_tileMapsSampler;

test/tint/bug/tint/948.wgsl.expected.hlsl

@@ -39,7 +39,7 @@ float4x4 getFrameData_f1_(inout float frameID) {
   const float4 x_40 = frameMapTexture.SampleBias(frameMapSampler, float2(fX, 0.0f), 0.0f);
   const float4 x_47 = frameMapTexture.SampleBias(frameMapSampler, float2(fX, 0.25f), 0.0f);
   const float4 x_54 = frameMapTexture.SampleBias(frameMapSampler, float2(fX, 0.5f), 0.0f);
-  return float4x4(float4(x_40.x, x_40.y, x_40.z, x_40.w), float4(x_47.x, x_47.y, x_47.z, x_47.w), float4(x_54.x, x_54.y, x_54.z, x_54.w), float4((0.0f).xxxx.x, (0.0f).xxxx.y, (0.0f).xxxx.z, (0.0f).xxxx.w));
+  return float4x4(float4(x_40.x, x_40.y, x_40.z, x_40.w), float4(x_47.x, x_47.y, x_47.z, x_47.w), float4(x_54.x, x_54.y, x_54.z, x_54.w), (0.0f).xxxx);
 }
 
 void main_1() {

test/tint/bug/tint/948.wgsl.expected.msl

@@ -61,7 +61,7 @@ float4x4 getFrameData_f1_(thread float* const frameID, const constant LeftOver*
   float4 const x_47 = tint_symbol_6.sample(tint_symbol_7, float2(x_44, 0.25f), bias(0.0f));
   float const x_51 = fX;
   float4 const x_54 = tint_symbol_6.sample(tint_symbol_7, float2(x_51, 0.5f), bias(0.0f));
-  return float4x4(float4(x_40[0], x_40[1], x_40[2], x_40[3]), float4(x_47[0], x_47[1], x_47[2], x_47[3]), float4(x_54[0], x_54[1], x_54[2], x_54[3]), float4(float4(0.0f)[0], float4(0.0f)[1], float4(0.0f)[2], float4(0.0f)[3]));
+  return float4x4(float4(x_40[0], x_40[1], x_40[2], x_40[3]), float4(x_47[0], x_47[1], x_47[2], x_47[3]), float4(x_54[0], x_54[1], x_54[2], x_54[3]), float4(0.0f));
 }
 
 void main_1(thread float2* const tint_symbol_8, const constant LeftOver* const tint_symbol_9, texture2d<float, access::sample> tint_symbol_10, sampler tint_symbol_11, texture2d<float, access::sample> tint_symbol_12, texture2d<float, access::sample> tint_symbol_13, sampler tint_symbol_14, texture2d<float, access::sample> tint_symbol_16, sampler tint_symbol_17, texture2d<float, access::sample> tint_symbol_18, sampler tint_symbol_19, thread float4* const tint_symbol_20) {

test/tint/bug/tint/948.wgsl.expected.spvasm

@@ -13,10 +13,10 @@ bug/tint/948.wgsl:137:27 note: reading from module-scope private variable 'mt' m
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0
-; Bound: 383
+; Bound: 378
 ; Schema: 0
                OpCapability Shader
-        %136 = OpExtInstImport "GLSL.std.450"
+        %131 = OpExtInstImport "GLSL.std.450"
                OpMemoryModel Logical GLSL450
                OpEntryPoint Fragment %main "main" %tUV_param_1 %tileID_1_param_1 %levelUnits_param_1 %stageUnits_1_param_1 %vPosition_param_1 %vUV_param_1 %glFragColor_1_1
                OpExecutionMode %main OriginUpperLeft
@@ -184,24 +184,24 @@ bug/tint/948.wgsl:137:27 note: reading from module-scope private variable 'mt' m
  %float_0_25 = OpConstant %float 0.25
   %float_0_5 = OpConstant %float 0.5
        %void = OpTypeVoid
-        %104 = OpTypeFunction %void
+         %99 = OpTypeFunction %void
 %_ptr_Function_v4float = OpTypePointer Function %v4float
 %_ptr_Function_v2float = OpTypePointer Function %v2float
         %int = OpTypeInt 32 1
 %_ptr_Function_int = OpTypePointer Function %int
-        %119 = OpConstantNull %int
+        %114 = OpConstantNull %int
 %_ptr_Function_mat4v4float = OpTypePointer Function %mat4v4float
-        %125 = OpConstantNull %mat4v4float
+        %120 = OpConstantNull %mat4v4float
 %_ptr_Function_v3float = OpTypePointer Function %v3float
      %uint_1 = OpConstant %uint 1
     %float_1 = OpConstant %float 1
      %uint_5 = OpConstant %uint 5
 %_ptr_Uniform_v2float = OpTypePointer Uniform %v2float
-        %149 = OpConstantComposite %v2float %float_1 %float_1
+        %144 = OpConstantComposite %v2float %float_1 %float_1
      %uint_4 = OpConstant %uint 4
       %int_2 = OpConstant %int 2
        %bool = OpTypeBool
-        %181 = OpConstantComposite %v2float %float_0_5 %float_0_5
+        %176 = OpConstantComposite %v2float %float_0_5 %float_0_5
      %uint_0 = OpConstant %uint 0
      %uint_2 = OpConstant %uint 2
     %float_8 = OpConstant %float 8
@@ -211,7 +211,7 @@ bug/tint/948.wgsl:137:27 note: reading from module-scope private variable 'mt' m
      %uint_8 = OpConstant %uint 8
 %_ptr_Uniform_v3float = OpTypePointer Uniform %v3float
    %main_out = OpTypeStruct %v4float
-        %360 = OpTypeFunction %main_out %v2float %v2float %v2float %v2float %v3float %v2float
+        %355 = OpTypeFunction %main_out %v2float %v2float %v2float %v2float %v3float %v2float
 %getFrameData_f1_ = OpFunction %mat4v4float None %49
     %frameID = OpFunctionParameter %_ptr_Function_float
          %53 = OpLabel
@@ -254,27 +254,22 @@ bug/tint/948.wgsl:137:27 note: reading from module-scope private variable 'mt' m
          %95 = OpCompositeExtract %float %77 2
          %96 = OpCompositeExtract %float %77 3
          %97 = OpCompositeConstruct %v4float %93 %94 %95 %96
-         %98 = OpCompositeExtract %float %15 0
+         %98 = OpCompositeConstruct %mat4v4float %87 %92 %97 %15
-         %99 = OpCompositeExtract %float %15 1
+               OpReturnValue %98
-        %100 = OpCompositeExtract %float %15 2
-        %101 = OpCompositeExtract %float %15 3
-        %102 = OpCompositeConstruct %v4float %98 %99 %100 %101
-        %103 = OpCompositeConstruct %mat4v4float %87 %92 %97 %102
-               OpReturnValue %103
                OpFunctionEnd
-     %main_1 = OpFunction %void None %104
+     %main_1 = OpFunction %void None %99
-        %107 = OpLabel
+        %102 = OpLabel
       %color = OpVariable %_ptr_Function_v4float Function %15
      %tileUV = OpVariable %_ptr_Function_v2float Function %29
      %tileID = OpVariable %_ptr_Function_v2float Function %29
  %sheetUnits = OpVariable %_ptr_Function_v2float Function %29
 %spriteUnits = OpVariable %_ptr_Function_float Function %37
  %stageUnits = OpVariable %_ptr_Function_v2float Function %29
-          %i = OpVariable %_ptr_Function_int Function %119
+          %i = OpVariable %_ptr_Function_int Function %114
   %frameID_1 = OpVariable %_ptr_Function_float Function %37
 %animationData = OpVariable %_ptr_Function_v4float Function %15
           %f = OpVariable %_ptr_Function_float Function %37
-  %frameData = OpVariable %_ptr_Function_mat4v4float Function %125
+  %frameData = OpVariable %_ptr_Function_mat4v4float Function %120
       %param = OpVariable %_ptr_Function_float Function %37
   %frameSize = OpVariable %_ptr_Function_v2float Function %29
    %offset_1 = OpVariable %_ptr_Function_v2float Function %29
@@ -283,309 +278,309 @@ bug/tint/948.wgsl:137:27 note: reading from module-scope private variable 'mt' m
       %alpha = OpVariable %_ptr_Function_float Function %37
       %mixed = OpVariable %_ptr_Function_v3float Function %47
                OpStore %color %15
-        %134 = OpLoad %v2float %tUV
+        %129 = OpLoad %v2float %tUV
-        %135 = OpExtInst %v2float %136 Fract %134
+        %130 = OpExtInst %v2float %131 Fract %129
-               OpStore %tileUV %135
+               OpStore %tileUV %130
-        %138 = OpAccessChain %_ptr_Function_float %tileUV %uint_1
+        %133 = OpAccessChain %_ptr_Function_float %tileUV %uint_1
-        %139 = OpLoad %float %138
+        %134 = OpLoad %float %133
-        %140 = OpAccessChain %_ptr_Function_float %tileUV %uint_1
+        %135 = OpAccessChain %_ptr_Function_float %tileUV %uint_1
-        %142 = OpFSub %float %float_1 %139
+        %137 = OpFSub %float %float_1 %134
-               OpStore %140 %142
+               OpStore %135 %137
-        %143 = OpLoad %v2float %tUV
+        %138 = OpLoad %v2float %tUV
-        %144 = OpExtInst %v2float %136 Floor %143
+        %139 = OpExtInst %v2float %131 Floor %138
-               OpStore %tileID %144
+               OpStore %tileID %139
-        %147 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_5
+        %142 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_5
-        %148 = OpLoad %v2float %147
+        %143 = OpLoad %v2float %142
-        %150 = OpFDiv %v2float %149 %148
+        %145 = OpFDiv %v2float %144 %143
-               OpStore %sheetUnits %150
+               OpStore %sheetUnits %145
-        %151 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_7
+        %146 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_7
-        %152 = OpLoad %float %151
+        %147 = OpLoad %float %146
-        %153 = OpFDiv %float %float_1 %152
+        %148 = OpFDiv %float %float_1 %147
-               OpStore %spriteUnits %153
+               OpStore %spriteUnits %148
-        %155 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_4
+        %150 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_4
-        %156 = OpLoad %v2float %155
+        %151 = OpLoad %v2float %150
-        %157 = OpFDiv %v2float %149 %156
+        %152 = OpFDiv %v2float %144 %151
-               OpStore %stageUnits %157
+               OpStore %stageUnits %152
-               OpStore %i %119
+               OpStore %i %114
-               OpBranch %158
+               OpBranch %153
-        %158 = OpLabel
+        %153 = OpLabel
-               OpLoopMerge %159 %160 None
+               OpLoopMerge %154 %155 None
+               OpBranch %156
+        %156 = OpLabel
+        %157 = OpLoad %int %i
+        %159 = OpSLessThan %bool %157 %int_2
+               OpSelectionMerge %161 None
+               OpBranchConditional %159 %162 %163
+        %162 = OpLabel
                OpBranch %161
+        %163 = OpLabel
+               OpBranch %154
         %161 = OpLabel
-        %162 = OpLoad %int %i
+        %164 = OpLoad %int %i
-        %164 = OpSLessThan %bool %162 %int_2
+               OpSelectionMerge %165 None
-               OpSelectionMerge %166 None
+               OpSwitch %164 %166 1 %167 0 %168
-               OpBranchConditional %164 %167 %168
         %167 = OpLabel
-               OpBranch %166
+        %169 = OpLoad %v2float %tileID
+        %170 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_4
+        %171 = OpLoad %v2float %170
+        %173 = OpLoad %26 %tileMapsSampler
+        %174 = OpLoad %23 %tileMapsTexture1
+        %175 = OpSampledImage %66 %174 %173
+        %177 = OpFAdd %v2float %169 %176
+        %178 = OpFDiv %v2float %177 %171
+        %172 = OpImageSampleImplicitLod %v4float %175 %178 Bias %37
+        %179 = OpCompositeExtract %float %172 0
+               OpStore %frameID_1 %179
+               OpBranch %165
         %168 = OpLabel
-               OpBranch %159
+        %180 = OpLoad %v2float %tileID
+        %181 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_4
+        %182 = OpLoad %v2float %181
+        %184 = OpLoad %26 %tileMapsSampler
+        %185 = OpLoad %23 %tileMapsTexture0
+        %186 = OpSampledImage %66 %185 %184
+        %187 = OpFAdd %v2float %180 %176
+        %188 = OpFDiv %v2float %187 %182
+        %183 = OpImageSampleImplicitLod %v4float %186 %188 Bias %37
+        %189 = OpCompositeExtract %float %183 0
+               OpStore %frameID_1 %189
+               OpBranch %165
         %166 = OpLabel
-        %169 = OpLoad %int %i
+               OpBranch %165
-               OpSelectionMerge %170 None
+        %165 = OpLabel
-               OpSwitch %169 %171 1 %172 0 %173
+        %190 = OpLoad %float %frameID_1
-        %172 = OpLabel
+        %191 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_7
-        %174 = OpLoad %v2float %tileID
+        %192 = OpLoad %float %191
-        %175 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_4
+        %194 = OpLoad %26 %animationMapSampler
-        %176 = OpLoad %v2float %175
+        %195 = OpLoad %23 %animationMapTexture
-        %178 = OpLoad %26 %tileMapsSampler
+        %196 = OpSampledImage %66 %195 %194
-        %179 = OpLoad %23 %tileMapsTexture1
+        %197 = OpFAdd %float %190 %float_0_5
-        %180 = OpSampledImage %66 %179 %178
+        %198 = OpFDiv %float %197 %192
-        %182 = OpFAdd %v2float %174 %181
+        %199 = OpCompositeConstruct %v2float %198 %37
-        %183 = OpFDiv %v2float %182 %176
+        %193 = OpImageSampleImplicitLod %v4float %196 %199 Bias %37
-        %177 = OpImageSampleImplicitLod %v4float %180 %183 Bias %37
+               OpStore %animationData %193
-        %184 = OpCompositeExtract %float %177 0
+        %200 = OpAccessChain %_ptr_Function_float %animationData %uint_1
-               OpStore %frameID_1 %184
+        %201 = OpLoad %float %200
-               OpBranch %170
+        %202 = OpFOrdGreaterThan %bool %201 %37
-        %173 = OpLabel
+               OpSelectionMerge %203 None
-        %185 = OpLoad %v2float %tileID
+               OpBranchConditional %202 %204 %203
-        %186 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_4
+        %204 = OpLabel
-        %187 = OpLoad %v2float %186
+        %206 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_0
-        %189 = OpLoad %26 %tileMapsSampler
+        %207 = OpLoad %float %206
-        %190 = OpLoad %23 %tileMapsTexture0
+        %209 = OpAccessChain %_ptr_Function_float %animationData %uint_2
-        %191 = OpSampledImage %66 %190 %189
+        %210 = OpLoad %float %209
-        %192 = OpFAdd %v2float %185 %181
+        %211 = OpFMul %float %207 %210
-        %193 = OpFDiv %v2float %192 %187
+        %212 = OpFRem %float %211 %float_1
-        %188 = OpImageSampleImplicitLod %v4float %191 %193 Bias %37
+               OpStore %mt %212
-        %194 = OpCompositeExtract %float %188 0
-               OpStore %frameID_1 %194
-               OpBranch %170
-        %171 = OpLabel
-               OpBranch %170
-        %170 = OpLabel
-        %195 = OpLoad %float %frameID_1
-        %196 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_7
-        %197 = OpLoad %float %196
-        %199 = OpLoad %26 %animationMapSampler
-        %200 = OpLoad %23 %animationMapTexture
-        %201 = OpSampledImage %66 %200 %199
-        %202 = OpFAdd %float %195 %float_0_5
-        %203 = OpFDiv %float %202 %197
-        %204 = OpCompositeConstruct %v2float %203 %37
-        %198 = OpImageSampleImplicitLod %v4float %201 %204 Bias %37
-               OpStore %animationData %198
-        %205 = OpAccessChain %_ptr_Function_float %animationData %uint_1
-        %206 = OpLoad %float %205
-        %207 = OpFOrdGreaterThan %bool %206 %37
-               OpSelectionMerge %208 None
-               OpBranchConditional %207 %209 %208
-        %209 = OpLabel
-        %211 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_0
-        %212 = OpLoad %float %211
-        %214 = OpAccessChain %_ptr_Function_float %animationData %uint_2
-        %215 = OpLoad %float %214
-        %216 = OpFMul %float %212 %215
-        %217 = OpFRem %float %216 %float_1
-               OpStore %mt %217
                OpStore %f %37
-               OpBranch %218
+               OpBranch %213
-        %218 = OpLabel
+        %213 = OpLabel
-               OpLoopMerge %219 %220 None
+               OpLoopMerge %214 %215 None
-               OpBranch %221
+               OpBranch %216
+        %216 = OpLabel
+        %217 = OpLoad %float %f
+        %219 = OpFOrdLessThan %bool %217 %float_8
+               OpSelectionMerge %220 None
+               OpBranchConditional %219 %221 %222
         %221 = OpLabel
-        %222 = OpLoad %float %f
-        %224 = OpFOrdLessThan %bool %222 %float_8
-               OpSelectionMerge %225 None
-               OpBranchConditional %224 %226 %227
-        %226 = OpLabel
-               OpBranch %225
-        %227 = OpLabel
-               OpBranch %219
-        %225 = OpLabel
-        %228 = OpAccessChain %_ptr_Function_float %animationData %uint_1
-        %229 = OpLoad %float %228
-        %230 = OpLoad %float %mt
-        %231 = OpFOrdGreaterThan %bool %229 %230
-               OpSelectionMerge %232 None
-               OpBranchConditional %231 %233 %232
-        %233 = OpLabel
-        %234 = OpAccessChain %_ptr_Function_float %animationData %uint_0
-        %235 = OpLoad %float %234
-               OpStore %frameID_1 %235
-               OpBranch %219
-        %232 = OpLabel
-        %236 = OpLoad %float %frameID_1
-        %237 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_7
-        %238 = OpLoad %float %237
-        %239 = OpLoad %float %f
-        %241 = OpLoad %26 %animationMapSampler
-        %242 = OpLoad %23 %animationMapTexture
-        %243 = OpSampledImage %66 %242 %241
-        %244 = OpFAdd %float %236 %float_0_5
-        %245 = OpFDiv %float %244 %238
-        %247 = OpFMul %float %float_0_125 %239
-        %248 = OpCompositeConstruct %v2float %245 %247
-        %240 = OpImageSampleImplicitLod %v4float %243 %248 Bias %37
-               OpStore %animationData %240
                OpBranch %220
+        %222 = OpLabel
+               OpBranch %214
         %220 = OpLabel
-        %249 = OpLoad %float %f
+        %223 = OpAccessChain %_ptr_Function_float %animationData %uint_1
-        %250 = OpFAdd %float %249 %float_1
+        %224 = OpLoad %float %223
-               OpStore %f %250
+        %225 = OpLoad %float %mt
-               OpBranch %218
+        %226 = OpFOrdGreaterThan %bool %224 %225
-        %219 = OpLabel
+               OpSelectionMerge %227 None
-               OpBranch %208
+               OpBranchConditional %226 %228 %227
-        %208 = OpLabel
+        %228 = OpLabel
-        %251 = OpLoad %float %frameID_1
+        %229 = OpAccessChain %_ptr_Function_float %animationData %uint_0
-        %252 = OpFAdd %float %251 %float_0_5
+        %230 = OpLoad %float %229
-               OpStore %param %252
+               OpStore %frameID_1 %230
-        %253 = OpFunctionCall %mat4v4float %getFrameData_f1_ %param
+               OpBranch %214
-               OpStore %frameData %253
+        %227 = OpLabel
-        %255 = OpAccessChain %_ptr_Function_v4float %frameData %119
+        %231 = OpLoad %float %frameID_1
-        %256 = OpLoad %v4float %255
+        %232 = OpAccessChain %_ptr_Uniform_float %x_20 %uint_7
-        %257 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_5
+        %233 = OpLoad %float %232
-        %258 = OpLoad %v2float %257
+        %234 = OpLoad %float %f
-        %259 = OpCompositeExtract %float %256 3
+        %236 = OpLoad %26 %animationMapSampler
-        %260 = OpCompositeExtract %float %256 2
+        %237 = OpLoad %23 %animationMapTexture
-        %261 = OpCompositeConstruct %v2float %259 %260
+        %238 = OpSampledImage %66 %237 %236
-        %262 = OpFDiv %v2float %261 %258
+        %239 = OpFAdd %float %231 %float_0_5
-               OpStore %frameSize %262
+        %240 = OpFDiv %float %239 %233
-        %263 = OpAccessChain %_ptr_Function_v4float %frameData %119
+        %242 = OpFMul %float %float_0_125 %234
-        %264 = OpLoad %v4float %263
+        %243 = OpCompositeConstruct %v2float %240 %242
-        %265 = OpLoad %v2float %sheetUnits
+        %235 = OpImageSampleImplicitLod %v4float %238 %243 Bias %37
-        %266 = OpCompositeExtract %float %264 0
+               OpStore %animationData %235
-        %267 = OpCompositeExtract %float %264 1
+               OpBranch %215
-        %268 = OpCompositeConstruct %v2float %266 %267
+        %215 = OpLabel
-        %269 = OpFMul %v2float %268 %265
+        %244 = OpLoad %float %f
-               OpStore %offset_1 %269
+        %245 = OpFAdd %float %244 %float_1
-        %270 = OpAccessChain %_ptr_Function_v4float %frameData %int_2
+               OpStore %f %245
-        %271 = OpLoad %v4float %270
+               OpBranch %213
-        %272 = OpAccessChain %_ptr_Function_v4float %frameData %119
+        %214 = OpLabel
-        %273 = OpLoad %v4float %272
+               OpBranch %203
-        %274 = OpCompositeExtract %float %271 0
+        %203 = OpLabel
-        %275 = OpCompositeExtract %float %271 1
+        %246 = OpLoad %float %frameID_1
-        %276 = OpCompositeConstruct %v2float %274 %275
+        %247 = OpFAdd %float %246 %float_0_5
-        %277 = OpCompositeExtract %float %273 3
+               OpStore %param %247
-        %278 = OpCompositeExtract %float %273 2
+        %248 = OpFunctionCall %mat4v4float %getFrameData_f1_ %param
-        %279 = OpCompositeConstruct %v2float %277 %278
+               OpStore %frameData %248
-        %280 = OpFDiv %v2float %276 %279
+        %250 = OpAccessChain %_ptr_Function_v4float %frameData %114
-               OpStore %ratio %280
+        %251 = OpLoad %v4float %250
-        %281 = OpAccessChain %_ptr_Function_float %frameData %int_2 %uint_2
+        %252 = OpAccessChain %_ptr_Uniform_v2float %x_20 %uint_5
-        %282 = OpLoad %float %281
+        %253 = OpLoad %v2float %252
-        %283 = OpFOrdEqual %bool %282 %float_1
+        %254 = OpCompositeExtract %float %251 3
-               OpSelectionMerge %284 None
+        %255 = OpCompositeExtract %float %251 2
-               OpBranchConditional %283 %285 %284
+        %256 = OpCompositeConstruct %v2float %254 %255
-        %285 = OpLabel
+        %257 = OpFDiv %v2float %256 %253
-        %286 = OpLoad %v2float %tileUV
+               OpStore %frameSize %257
-        %287 = OpCompositeExtract %float %286 1
+        %258 = OpAccessChain %_ptr_Function_v4float %frameData %114
-        %288 = OpCompositeExtract %float %286 0
+        %259 = OpLoad %v4float %258
-        %289 = OpCompositeConstruct %v2float %287 %288
+        %260 = OpLoad %v2float %sheetUnits
-               OpStore %tileUV %289
+        %261 = OpCompositeExtract %float %259 0
-               OpBranch %284
+        %262 = OpCompositeExtract %float %259 1
-        %284 = OpLabel
+        %263 = OpCompositeConstruct %v2float %261 %262
-        %290 = OpLoad %int %i
+        %264 = OpFMul %v2float %263 %260
-        %291 = OpIEqual %bool %290 %119
+               OpStore %offset_1 %264
-               OpSelectionMerge %292 None
+        %265 = OpAccessChain %_ptr_Function_v4float %frameData %int_2
-               OpBranchConditional %291 %293 %294
+        %266 = OpLoad %v4float %265
-        %293 = OpLabel
+        %267 = OpAccessChain %_ptr_Function_v4float %frameData %114
-        %295 = OpLoad %v2float %tileUV
+        %268 = OpLoad %v4float %267
-        %296 = OpLoad %v2float %frameSize
+        %269 = OpCompositeExtract %float %266 0
-        %297 = OpLoad %v2float %offset_1
+        %270 = OpCompositeExtract %float %266 1
-        %299 = OpLoad %26 %spriteSheetSampler
+        %271 = OpCompositeConstruct %v2float %269 %270
-        %300 = OpLoad %23 %spriteSheetTexture
+        %272 = OpCompositeExtract %float %268 3
-        %301 = OpSampledImage %66 %300 %299
+        %273 = OpCompositeExtract %float %268 2
-        %302 = OpFMul %v2float %295 %296
+        %274 = OpCompositeConstruct %v2float %272 %273
-        %303 = OpFAdd %v2float %302 %297
+        %275 = OpFDiv %v2float %271 %274
-        %298 = OpImageSampleImplicitLod %v4float %301 %303
+               OpStore %ratio %275
-               OpStore %color %298
+        %276 = OpAccessChain %_ptr_Function_float %frameData %int_2 %uint_2
-               OpBranch %292
+        %277 = OpLoad %float %276
-        %294 = OpLabel
+        %278 = OpFOrdEqual %bool %277 %float_1
-        %304 = OpLoad %v2float %tileUV
+               OpSelectionMerge %279 None
-        %305 = OpLoad %v2float %frameSize
+               OpBranchConditional %278 %280 %279
-        %306 = OpLoad %v2float %offset_1
+        %280 = OpLabel
-        %308 = OpLoad %26 %spriteSheetSampler
+        %281 = OpLoad %v2float %tileUV
-        %309 = OpLoad %23 %spriteSheetTexture
+        %282 = OpCompositeExtract %float %281 1
-        %310 = OpSampledImage %66 %309 %308
+        %283 = OpCompositeExtract %float %281 0
-        %311 = OpFMul %v2float %304 %305
+        %284 = OpCompositeConstruct %v2float %282 %283
-        %312 = OpFAdd %v2float %311 %306
+               OpStore %tileUV %284
-        %307 = OpImageSampleImplicitLod %v4float %310 %312
+               OpBranch %279
-               OpStore %nc %307
+        %279 = OpLabel
-        %314 = OpAccessChain %_ptr_Function_float %color %uint_3
+        %285 = OpLoad %int %i
-        %315 = OpLoad %float %314
+        %286 = OpIEqual %bool %285 %114
-        %316 = OpAccessChain %_ptr_Function_float %nc %uint_3
+               OpSelectionMerge %287 None
-        %317 = OpLoad %float %316
+               OpBranchConditional %286 %288 %289
-        %319 = OpFAdd %float %315 %317
+        %288 = OpLabel
-        %318 = OpExtInst %float %136 NMin %319 %float_1
+        %290 = OpLoad %v2float %tileUV
-               OpStore %alpha %318
+        %291 = OpLoad %v2float %frameSize
-        %320 = OpLoad %v4float %color
+        %292 = OpLoad %v2float %offset_1
-        %321 = OpLoad %v4float %nc
+        %294 = OpLoad %26 %spriteSheetSampler
-        %322 = OpAccessChain %_ptr_Function_float %nc %uint_3
+        %295 = OpLoad %23 %spriteSheetTexture
-        %323 = OpLoad %float %322
+        %296 = OpSampledImage %66 %295 %294
-        %325 = OpCompositeExtract %float %320 0
+        %297 = OpFMul %v2float %290 %291
-        %326 = OpCompositeExtract %float %320 1
+        %298 = OpFAdd %v2float %297 %292
-        %327 = OpCompositeExtract %float %320 2
+        %293 = OpImageSampleImplicitLod %v4float %296 %298
-        %328 = OpCompositeConstruct %v3float %325 %326 %327
+               OpStore %color %293
-        %329 = OpCompositeExtract %float %321 0
+               OpBranch %287
-        %330 = OpCompositeExtract %float %321 1
+        %289 = OpLabel
-        %331 = OpCompositeExtract %float %321 2
+        %299 = OpLoad %v2float %tileUV
-        %332 = OpCompositeConstruct %v3float %329 %330 %331
+        %300 = OpLoad %v2float %frameSize
-        %333 = OpCompositeConstruct %v3float %323 %323 %323
+        %301 = OpLoad %v2float %offset_1
-        %324 = OpExtInst %v3float %136 FMix %328 %332 %333
+        %303 = OpLoad %26 %spriteSheetSampler
-               OpStore %mixed %324
+        %304 = OpLoad %23 %spriteSheetTexture
-        %334 = OpLoad %v3float %mixed
+        %305 = OpSampledImage %66 %304 %303
-        %335 = OpLoad %float %alpha
+        %306 = OpFMul %v2float %299 %300
-        %336 = OpCompositeExtract %float %334 0
+        %307 = OpFAdd %v2float %306 %301
-        %337 = OpCompositeExtract %float %334 1
+        %302 = OpImageSampleImplicitLod %v4float %305 %307
-        %338 = OpCompositeExtract %float %334 2
+               OpStore %nc %302
-        %339 = OpCompositeConstruct %v4float %336 %337 %338 %335
+        %309 = OpAccessChain %_ptr_Function_float %color %uint_3
-               OpStore %color %339
+        %310 = OpLoad %float %309
-               OpBranch %292
+        %311 = OpAccessChain %_ptr_Function_float %nc %uint_3
-        %292 = OpLabel
+        %312 = OpLoad %float %311
-               OpBranch %160
+        %314 = OpFAdd %float %310 %312
-        %160 = OpLabel
+        %313 = OpExtInst %float %131 NMin %314 %float_1
-        %340 = OpLoad %int %i
+               OpStore %alpha %313
-        %342 = OpIAdd %int %340 %int_1
+        %315 = OpLoad %v4float %color
-               OpStore %i %342
+        %316 = OpLoad %v4float %nc
-               OpBranch %158
+        %317 = OpAccessChain %_ptr_Function_float %nc %uint_3
-        %159 = OpLabel
+        %318 = OpLoad %float %317
-        %345 = OpAccessChain %_ptr_Uniform_v3float %x_20 %uint_8
+        %320 = OpCompositeExtract %float %315 0
-        %346 = OpLoad %v3float %345
+        %321 = OpCompositeExtract %float %315 1
-        %347 = OpLoad %v4float %color
+        %322 = OpCompositeExtract %float %315 2
-        %348 = OpCompositeExtract %float %347 0
+        %323 = OpCompositeConstruct %v3float %320 %321 %322
-        %349 = OpCompositeExtract %float %347 1
+        %324 = OpCompositeExtract %float %316 0
-        %350 = OpCompositeExtract %float %347 2
+        %325 = OpCompositeExtract %float %316 1
-        %351 = OpCompositeConstruct %v3float %348 %349 %350
+        %326 = OpCompositeExtract %float %316 2
-        %352 = OpFMul %v3float %351 %346
+        %327 = OpCompositeConstruct %v3float %324 %325 %326
-        %353 = OpLoad %v4float %color
+        %328 = OpCompositeConstruct %v3float %318 %318 %318
-        %354 = OpCompositeExtract %float %352 0
+        %319 = OpExtInst %v3float %131 FMix %323 %327 %328
-        %355 = OpCompositeExtract %float %352 1
+               OpStore %mixed %319
-        %356 = OpCompositeExtract %float %352 2
+        %329 = OpLoad %v3float %mixed
-        %357 = OpCompositeExtract %float %353 3
+        %330 = OpLoad %float %alpha
-        %358 = OpCompositeConstruct %v4float %354 %355 %356 %357
+        %331 = OpCompositeExtract %float %329 0
-               OpStore %color %358
+        %332 = OpCompositeExtract %float %329 1
-        %359 = OpLoad %v4float %color
+        %333 = OpCompositeExtract %float %329 2
-               OpStore %glFragColor %359
+        %334 = OpCompositeConstruct %v4float %331 %332 %333 %330
+               OpStore %color %334
+               OpBranch %287
+        %287 = OpLabel
+               OpBranch %155
+        %155 = OpLabel
+        %335 = OpLoad %int %i
+        %337 = OpIAdd %int %335 %int_1
+               OpStore %i %337
+               OpBranch %153
+        %154 = OpLabel
+        %340 = OpAccessChain %_ptr_Uniform_v3float %x_20 %uint_8
+        %341 = OpLoad %v3float %340
+        %342 = OpLoad %v4float %color
+        %343 = OpCompositeExtract %float %342 0
+        %344 = OpCompositeExtract %float %342 1
+        %345 = OpCompositeExtract %float %342 2
+        %346 = OpCompositeConstruct %v3float %343 %344 %345
+        %347 = OpFMul %v3float %346 %341
+        %348 = OpLoad %v4float %color
+        %349 = OpCompositeExtract %float %347 0
+        %350 = OpCompositeExtract %float %347 1
+        %351 = OpCompositeExtract %float %347 2
+        %352 = OpCompositeExtract %float %348 3
+        %353 = OpCompositeConstruct %v4float %349 %350 %351 %352
+               OpStore %color %353
+        %354 = OpLoad %v4float %color
+               OpStore %glFragColor %354
                OpReturn
                OpFunctionEnd
- %main_inner = OpFunction %main_out None %360
+ %main_inner = OpFunction %main_out None %355
   %tUV_param = OpFunctionParameter %v2float
 %tileID_1_param = OpFunctionParameter %v2float
 %levelUnits_param = OpFunctionParameter %v2float
 %stageUnits_1_param = OpFunctionParameter %v2float
 %vPosition_param = OpFunctionParameter %v3float
   %vUV_param = OpFunctionParameter %v2float
-        %369 = OpLabel
+        %364 = OpLabel
                OpStore %tUV %tUV_param
                OpStore %tileID_1 %tileID_1_param
                OpStore %levelUnits %levelUnits_param
                OpStore %stageUnits_1 %stageUnits_1_param
                OpStore %vPosition %vPosition_param
                OpStore %vUV %vUV_param
-        %370 = OpFunctionCall %void %main_1
+        %365 = OpFunctionCall %void %main_1
-        %371 = OpLoad %v4float %glFragColor
+        %366 = OpLoad %v4float %glFragColor
-        %372 = OpCompositeConstruct %main_out %371
+        %367 = OpCompositeConstruct %main_out %366
-               OpReturnValue %372
+               OpReturnValue %367
                OpFunctionEnd
-       %main = OpFunction %void None %104
+       %main = OpFunction %void None %99
-        %374 = OpLabel
+        %369 = OpLabel
-        %376 = OpLoad %v2float %tUV_param_1
+        %371 = OpLoad %v2float %tUV_param_1
-        %377 = OpLoad %v2float %tileID_1_param_1
+        %372 = OpLoad %v2float %tileID_1_param_1
-        %378 = OpLoad %v2float %levelUnits_param_1
+        %373 = OpLoad %v2float %levelUnits_param_1
-        %379 = OpLoad %v2float %stageUnits_1_param_1
+        %374 = OpLoad %v2float %stageUnits_1_param_1
-        %380 = OpLoad %v3float %vPosition_param_1
+        %375 = OpLoad %v3float %vPosition_param_1
-        %381 = OpLoad %v2float %vUV_param_1
+        %376 = OpLoad %v2float %vUV_param_1
-        %375 = OpFunctionCall %main_out %main_inner %376 %377 %378 %379 %380 %381
+        %370 = OpFunctionCall %main_out %main_inner %371 %372 %373 %374 %375 %376
-        %382 = OpCompositeExtract %v4float %375 0
+        %377 = OpCompositeExtract %v4float %370 0
-               OpStore %glFragColor_1_1 %382
+               OpStore %glFragColor_1_1 %377
                OpReturn
                OpFunctionEnd

test/tint/expressions/splat/with_swizzle/f32.wgsl.expected.glsl

@@ -5,8 +5,8 @@ void unused_entry_point() {
   return;
 }
 void f() {
-  float a = vec2(1.0f).y;
+  float a = 1.0f;
-  float b = vec3(1.0f).z;
+  float b = 1.0f;
-  float c = vec4(1.0f).w;
+  float c = 1.0f;
 }
 

test/tint/expressions/splat/with_swizzle/f32.wgsl.expected.hlsl

@@ -4,7 +4,7 @@ void unused_entry_point() {
 }
 
 void f() {
-  float a = (1.0f).xx.y;
+  float a = 1.0f;
-  float b = (1.0f).xxx.z;
+  float b = 1.0f;
-  float c = (1.0f).xxxx.w;
+  float c = 1.0f;
 }

test/tint/expressions/splat/with_swizzle/f32.wgsl.expected.msl

@@ -2,8 +2,8 @@
 
 using namespace metal;
 void f() {
-  float a = float2(1.0f)[1];
+  float a = 1.0f;
-  float b = float3(1.0f)[2];
+  float b = 1.0f;
-  float c = float4(1.0f)[3];
+  float c = 1.0f;
 }
 

test/tint/expressions/splat/with_swizzle/f32.wgsl.expected.spvasm

@@ -1,7 +1,7 @@
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 0
-; Bound: 23
+; Bound: 14
 ; Schema: 0
                OpCapability Shader
                OpMemoryModel Logical GLSL450
@@ -15,29 +15,20 @@
        %void = OpTypeVoid
           %1 = OpTypeFunction %void
       %float = OpTypeFloat 32
-    %v2float = OpTypeVector %float 2
     %float_1 = OpConstant %float 1
-         %10 = OpConstantComposite %v2float %float_1 %float_1
 %_ptr_Function_float = OpTypePointer Function %float
-         %14 = OpConstantNull %float
+         %11 = OpConstantNull %float
-    %v3float = OpTypeVector %float 3
-         %16 = OpConstantComposite %v3float %float_1 %float_1 %float_1
-    %v4float = OpTypeVector %float 4
-         %20 = OpConstantComposite %v4float %float_1 %float_1 %float_1 %float_1
 %unused_entry_point = OpFunction %void None %1
           %4 = OpLabel
                OpReturn
                OpFunctionEnd
           %f = OpFunction %void None %1
           %6 = OpLabel
-          %a = OpVariable %_ptr_Function_float Function %14
+          %a = OpVariable %_ptr_Function_float Function %11
-          %b = OpVariable %_ptr_Function_float Function %14
+          %b = OpVariable %_ptr_Function_float Function %11
-          %c = OpVariable %_ptr_Function_float Function %14
+          %c = OpVariable %_ptr_Function_float Function %11
-         %11 = OpCompositeExtract %float %10 1
+               OpStore %a %float_1
-               OpStore %a %11
+               OpStore %b %float_1
-         %17 = OpCompositeExtract %float %16 2
+               OpStore %c %float_1
-               OpStore %b %17
-         %21 = OpCompositeExtract %float %20 3
-               OpStore %c %21
                OpReturn
                OpFunctionEnd