glsl: Implement compound assignment

Use the ExpandCompoundAssignment transform to convert compound
assignments to regular assignments.

Bug: tint:1325
Change-Id: I0567131aa7c6b4beb6e25c0c6c559795e9c58c19
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/85286
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

src/tint/transform/glsl.cc

@@ -24,6 +24,7 @@
 #include "src/tint/transform/canonicalize_entry_point_io.h"
 #include "src/tint/transform/combine_samplers.h"
 #include "src/tint/transform/decompose_memory_access.h"
+#include "src/tint/transform/expand_compound_assignment.h"
 #include "src/tint/transform/fold_trivial_single_use_lets.h"
 #include "src/tint/transform/loop_to_for_loop.h"
 #include "src/tint/transform/manager.h"
@@ -84,6 +85,7 @@ Output Glsl::Run(const Program* in, const DataMap& inputs) const {
     manager.Add<ZeroInitWorkgroupMemory>();
   }
   manager.Add<CanonicalizeEntryPointIO>();
+  manager.Add<ExpandCompoundAssignment>();
   manager.Add<PromoteSideEffectsToDecl>();
   manager.Add<UnwindDiscardFunctions>();
   manager.Add<SimplifyPointers>();

test/tint/statements/compound_assign/complex_lhs.wgsl.expected.glsl

@@ -1,26 +1,29 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : array<vec4<i32>, 4>,
+  ivec4 a[4];
-}
+};
 
-var<private> counter : i32;
+int counter = 0;
-
+int foo() {
-fn foo() -> i32 {
+  counter = (counter + 1);
-  counter += 1;
   return counter;
 }
 
-fn bar() -> i32 {
+int bar() {
-  counter += 2;
+  counter = (counter + 2);
   return counter;
 }
 
-fn main() {
+void tint_symbol() {
-  var x = S();
+  S x = S(ivec4[4](ivec4(0, 0, 0, 0), ivec4(0, 0, 0, 0), ivec4(0, 0, 0, 0), ivec4(0, 0, 0, 0)));
-  let p = &(x);
+  int tint_symbol_3 = foo();
-  (*(p)).a[foo()][bar()] += 5;
+  int tint_symbol_1_save = tint_symbol_3;
+  int tint_symbol_2 = bar();
+  x.a[tint_symbol_1_save][tint_symbol_2] = (x.a[tint_symbol_1_save][tint_symbol_2] + 5);
 }
 
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/divide_by_zero.wgsl.expected.glsl

@@ -1,19 +1,24 @@
-SKIP: FAILED
+#version 310 es
 
-
+float tint_float_modulo(float lhs, float rhs) {
-var<private> a : i32;
+  return (lhs - rhs * trunc(lhs / rhs));
-
+}
-var<private> b : f32;
+
-
+
-fn foo(maybe_zero : i32) {
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-  a /= 0;
+void unused_entry_point() {
-  a %= 0;
+  return;
-  a /= maybe_zero;
+}
-  a %= maybe_zero;
+int a = 0;
-  b /= 0.0;
+float b = 0.0f;
-  b %= 0.0;
+void foo(int maybe_zero) {
-  b /= f32(maybe_zero);
+  a = (a / 0);
-  b %= f32(maybe_zero);
+  a = (a % 0);
+  a = (a / maybe_zero);
+  a = (a % maybe_zero);
+  b = (b / 0.0f);
+  b = tint_float_modulo(b, 0.0f);
+  b = (b / float(maybe_zero));
+  b = tint_float_modulo(b, float(maybe_zero));
 }
 
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/for_loop.wgsl.expected.glsl

@@ -1,35 +1,55 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
-  b : vec4<f32>,
+  vec4 b;
-  c : mat2x2<f32>,
+  mat2 c;
-}
+};
 
-@group(0) @binding(0) var<storage, read_write> v : S;
+layout(binding = 0, std430) buffer S_1 {
-
+  int a;
-var<private> i : u32;
+  vec4 b;
-
+  mat2 c;
-fn idx1() -> i32 {
+} v;
-  i += 1u;
+uint i = 0u;
+int idx1() {
+  i = (i + 1u);
   return 1;
 }
 
-fn idx2() -> i32 {
+int idx2() {
-  i += 2u;
+  i = (i + 2u);
   return 1;
 }
 
-fn idx3() -> i32 {
+int idx3() {
-  i += 3u;
+  i = (i + 3u);
   return 1;
 }
 
-fn foo() {
+void foo() {
-  var a = array<f32, 4>();
+  float a[4] = float[4](0.0f, 0.0f, 0.0f, 0.0f);
-  for(a[idx1()] *= 2.0; (a[idx2()] < 10.0); a[idx3()] += 1.0) {
+  int tint_symbol_2 = idx1();
+  int tint_symbol_save = tint_symbol_2;
+  {
+    a[tint_symbol_save] = (a[tint_symbol_save] * 2.0f);
+    while (true) {
+      int tint_symbol_3 = idx2();
+      if (!((a[tint_symbol_3] < 10.0f))) {
+        break;
+      }
+      {
+      }
+      {
+        int tint_symbol_4 = idx3();
+        int tint_symbol_1_save = tint_symbol_4;
+        a[tint_symbol_1_save] = (a[tint_symbol_1_save] + 1.0f);
+      }
+    }
   }
 }
 
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/function.wgsl.expected.glsl

@@ -1,13 +1,15 @@
-SKIP: FAILED
+#version 310 es
 
-
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-fn foo() {
+void unused_entry_point() {
-  var<function> a : i32;
+  return;
-  var<function> b : vec4<f32>;
+}
-  var<function> c : mat2x2<f32>;
+void foo() {
-  a /= 2;
+  int a = 0;
-  b *= mat4x4<f32>();
+  vec4 b = vec4(0.0f, 0.0f, 0.0f, 0.0f);
-  c *= 2.0;
+  mat2 c = mat2(0.0f, 0.0f, 0.0f, 0.0f);
+  a = (a / 2);
+  b = (b * mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
+  c = (c * 2.0f);
 }
 
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/matrix/minus.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : mat4x4<f32>,
+  mat4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  mat4 a;
+} v;
+void foo() {
+  v.a = (v.a - mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a -= mat4x4<f32>();
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/matrix/plus.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : mat4x4<f32>,
+  mat4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  mat4 a;
+} v;
+void foo() {
+  v.a = (v.a + mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a += mat4x4<f32>();
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/matrix/times-scalar.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : mat4x4<f32>,
+  mat4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  mat4 a;
+} v;
+void foo() {
+  v.a = (v.a * 2.0f);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a *= 2.0;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/matrix/times.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : mat4x4<f32>,
+  mat4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  mat4 a;
+} v;
+void foo() {
+  v.a = (v.a * mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a *= mat4x4<f32>();
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/private.wgsl.expected.glsl

@@ -1,16 +1,15 @@
-SKIP: FAILED
+#version 310 es
 
-
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-var<private> a : i32;
+void unused_entry_point() {
-
+  return;
-var<private> b : vec4<f32>;
+}
-
+int a = 0;
-var<private> c : mat2x2<f32>;
+vec4 b = vec4(0.0f, 0.0f, 0.0f, 0.0f);
-
+mat2 c = mat2(0.0f, 0.0f, 0.0f, 0.0f);
-fn foo() {
+void foo() {
-  a /= 2;
+  a = (a / 2);
-  b *= mat4x4<f32>();
+  b = (b * mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
-  c *= 2.0;
+  c = (c * 2.0f);
 }
 
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/and.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a & 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a &= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/divide.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a / 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a /= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/minus.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a - 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a -= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/modulo.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a % 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a %= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/or.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a | 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a |= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/plus.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a + 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a += 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/times.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a * 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a *= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/scalar/xor.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : i32,
+  int a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  int a;
+} v;
+void foo() {
+  v.a = (v.a ^ 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a ^= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/and.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a & ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a &= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/divide-scalar.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<f32>,
+  vec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  vec4 a;
+} v;
+void foo() {
+  v.a = (v.a / 2.0f);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a /= 2.0;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/divide.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a / ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a /= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/minus-scalar.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<f32>,
+  vec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  vec4 a;
+} v;
+void foo() {
+  v.a = (v.a - 2.0f);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a -= 2.0;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/minus.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a - ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a -= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/modulo-scalar.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a % 2);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a %= 2;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/modulo.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a % ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a %= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/or.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a | ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a |= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/plus-scalar.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<f32>,
+  vec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  vec4 a;
+} v;
+void foo() {
+  v.a = (v.a + 2.0f);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a += 2.0;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/plus.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a + ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a += vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/times-matrix.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<f32>,
+  vec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  vec4 a;
+} v;
+void foo() {
+  v.a = (v.a * mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a *= mat4x4<f32>();
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/times-scalar.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<f32>,
+  vec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  vec4 a;
+} v;
+void foo() {
+  v.a = (v.a * 2.0f);
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a *= 2.0;
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/times.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a * ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a *= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/vector/xor.wgsl.expected.glsl

@@ -1,14 +1,17 @@
-SKIP: FAILED
+#version 310 es
-
 
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
+void unused_entry_point() {
+  return;
+}
 struct S {
-  a : vec4<i32>,
+  ivec4 a;
+};
+
+layout(binding = 0, std430) buffer S_1 {
+  ivec4 a;
+} v;
+void foo() {
+  v.a = (v.a ^ ivec4(2));
 }
 
-@group(0) @binding(0) var<storage, read_write> v : S;
-
-fn foo() {
-  v.a ^= vec4<i32>(2);
-}
-
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement

test/tint/statements/compound_assign/workgroup.wgsl.expected.glsl

@@ -1,16 +1,15 @@
-SKIP: FAILED
+#version 310 es
 
-
+layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
-var<workgroup> a : i32;
+void unused_entry_point() {
-
+  return;
-var<workgroup> b : vec4<f32>;
+}
-
+shared int a;
-var<workgroup> c : mat2x2<f32>;
+shared vec4 b;
-
+shared mat2 c;
-fn foo() {
+void foo() {
-  a /= 2;
+  a = (a / 2);
-  b *= mat4x4<f32>();
+  b = (b * mat4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f));
-  c *= 2.0;
+  c = (c * 2.0f);
 }
 
-Failed to generate: error: unknown statement type: tint::ast::CompoundAssignmentStatement