writer/hlsl: Don't wrap arrays in structures

FXC has trouble dealing with these.
This was originally added to handle returning arrays as structures.
HLSL supports typedefs, which is a much simpiler solution, and doesn't upset FXC.

Bug: tint:848
Bug: tint:904
Change-Id: Ie841c9c454461a885a35c41476fd4d05d3f34cbf
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/56774
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>

src/transform/hlsl.cc

@@ -28,7 +28,6 @@
 #include "src/transform/pad_array_elements.h"
 #include "src/transform/promote_initializers_to_const_var.h"
 #include "src/transform/simplify.h"
-#include "src/transform/wrap_arrays_in_structs.h"
 #include "src/transform/zero_init_workgroup_memory.h"
 
 TINT_INSTANTIATE_TYPEINFO(tint::transform::Hlsl);
@@ -66,7 +65,6 @@ Output Hlsl::Run(const Program* in, const DataMap&) {
   manager.Add<CalculateArrayLength>();
   manager.Add<ExternalTextureTransform>();
   manager.Add<PromoteInitializersToConstVar>();
-  manager.Add<WrapArraysInStructs>();
   manager.Add<PadArrayElements>();
   data.Add<CanonicalizeEntryPointIO::Config>(
       CanonicalizeEntryPointIO::BuiltinStyle::kStructMember);

src/writer/hlsl/generator_impl.cc

@@ -2109,12 +2109,27 @@ bool GeneratorImpl::EmitFunction(ast::Function* func) {
 
   {
     auto out = line();
+    auto name = builder_.Symbols().NameFor(func->symbol());
+    // If the function returns an array, then we need to declare a typedef for
+    // this.
+    if (sem->ReturnType()->Is<sem::Array>()) {
+      auto typedef_name = UniqueIdentifier(name + "_ret");
+      auto pre = line();
+      pre << "typedef ";
+      if (!EmitTypeAndName(pre, sem->ReturnType(), ast::StorageClass::kNone,
+                           ast::Access::kReadWrite, typedef_name)) {
+        return false;
+      }
+      pre << ";";
+      out << typedef_name;
+    } else {
       if (!EmitType(out, sem->ReturnType(), ast::StorageClass::kNone,
                     ast::Access::kReadWrite, "")) {
         return false;
       }
+    }
 
-    out << " " << builder_.Symbols().NameFor(func->symbol()) << "(";
+    out << " " << name << "(";
 
     bool first = true;
 

src/writer/hlsl/generator_impl_function_test.cc

@@ -755,18 +755,13 @@ TEST_F(HlslGeneratorImplTest_Function, Emit_Function_WithArrayParams) {
            Return(),
        });
 
-  GeneratorImpl& gen = SanitizeAndBuild();
+  GeneratorImpl& gen = Build();
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
-  EXPECT_THAT(gen.result(), HasSubstr(R"(
+  EXPECT_EQ(gen.result(), R"(void my_func(float a[5]) {
-struct tint_array_wrapper {
-  float arr[5];
-};
-
-void my_func(tint_array_wrapper a) {
   return;
 }
-)"));
+)");
 }
 
 TEST_F(HlslGeneratorImplTest_Function, Emit_Function_WithArrayReturn) {
@@ -775,19 +770,14 @@ TEST_F(HlslGeneratorImplTest_Function, Emit_Function_WithArrayReturn) {
            Return(Construct(ty.array<f32, 5>())),
        });
 
-  GeneratorImpl& gen = SanitizeAndBuild();
+  GeneratorImpl& gen = Build();
 
   ASSERT_TRUE(gen.Generate()) << gen.error();
-  EXPECT_THAT(gen.result(), HasSubstr(R"(
+  EXPECT_EQ(gen.result(), R"(typedef float my_func_ret[5];
-struct tint_array_wrapper {
+my_func_ret my_func() {
-  float arr[5];
+  return (float[5])0;
-};
-
-tint_array_wrapper my_func() {
-  const tint_array_wrapper tint_symbol = {(float[5])0};
-  return tint_symbol;
 }
-)"));
+)");
 }
 
 // https://crbug.com/tint/297

src/writer/hlsl/generator_impl_sanitizer_test.cc

@@ -162,13 +162,9 @@ TEST_F(HlslSanitizerTest, PromoteArrayInitializerToConstVar) {
   ASSERT_TRUE(gen.Generate()) << gen.error();
 
   auto got = gen.result();
-  auto* expect = R"(struct tint_array_wrapper {
+  auto* expect = R"(void main() {
-  int arr[4];
+  const int tint_symbol[4] = {1, 2, 3, 4};
-};
+  int pos = tint_symbol[3];
-
-void main() {
-  const tint_array_wrapper tint_symbol = {{1, 2, 3, 4}};
-  int pos = tint_symbol.arr[3];
   return;
 }
 )";

test/array/assign_to_function_var.wgsl.expected.hlsl

@@ -6,36 +6,36 @@ void unused_entry_point() {
 struct tint_padded_array_element {
   int el;
 };
-struct tint_array_wrapper {
+struct S {
   tint_padded_array_element arr[4];
 };
-struct S {
-  tint_array_wrapper arr;
-};
 
-tint_array_wrapper tint_symbol_2(uint4 buffer[4], uint offset) {
+typedef tint_padded_array_element tint_symbol_2_ret[4];
+tint_symbol_2_ret tint_symbol_2(uint4 buffer[4], uint offset) {
   const uint scalar_offset = ((offset + 0u)) / 4;
   const uint scalar_offset_1 = ((offset + 16u)) / 4;
   const uint scalar_offset_2 = ((offset + 32u)) / 4;
   const uint scalar_offset_3 = ((offset + 48u)) / 4;
-  const tint_array_wrapper tint_symbol_5 = {{{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}}};
+  const tint_padded_array_element tint_symbol_5[4] = {{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}};
   return tint_symbol_5;
 }
 
-tint_array_wrapper tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+typedef tint_padded_array_element tint_symbol_4_ret[4];
-  const tint_array_wrapper tint_symbol_6 = {{{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}}};
+tint_symbol_4_ret tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+  const tint_padded_array_element tint_symbol_6[4] = {{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}};
   return tint_symbol_6;
 }
 
-static tint_array_wrapper src_private = (tint_array_wrapper)0;
+static tint_padded_array_element src_private[4] = (tint_padded_array_element[4])0;
-groupshared tint_array_wrapper src_workgroup;
+groupshared tint_padded_array_element src_workgroup[4];
 cbuffer cbuffer_src_uniform : register(b0, space0) {
   uint4 src_uniform[4];
 };
 RWByteAddressBuffer src_storage : register(u1, space0);
 
-tint_array_wrapper ret_arr() {
+typedef tint_padded_array_element ret_arr_ret[4];
-  const tint_array_wrapper tint_symbol_7 = {(tint_padded_array_element[4])0};
+ret_arr_ret ret_arr() {
+  const tint_padded_array_element tint_symbol_7[4] = (tint_padded_array_element[4])0;
   return tint_symbol_7;
 }
 
@@ -44,24 +44,14 @@ S ret_struct_arr() {
   return tint_symbol_8;
 }
 
-struct tint_array_wrapper_3 {
+void foo(tint_padded_array_element src_param[4]) {
-  int arr[2];
+  tint_padded_array_element src_function[4] = (tint_padded_array_element[4])0;
-};
+  tint_padded_array_element tint_symbol[4] = (tint_padded_array_element[4])0;
-struct tint_array_wrapper_2 {
+  const tint_padded_array_element tint_symbol_9[4] = {{1}, {2}, {3}, {3}};
-  tint_array_wrapper_3 arr[3];
-};
-struct tint_array_wrapper_1 {
-  tint_array_wrapper_2 arr[4];
-};
-
-void foo(tint_array_wrapper src_param) {
-  tint_array_wrapper src_function = (tint_array_wrapper)0;
-  tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
-  const tint_array_wrapper tint_symbol_9 = {{{1}, {2}, {3}, {3}}};
   tint_symbol = tint_symbol_9;
   tint_symbol = src_param;
   tint_symbol = ret_arr();
-  const tint_array_wrapper src_let = {(tint_padded_array_element[4])0};
+  const tint_padded_array_element src_let[4] = (tint_padded_array_element[4])0;
   tint_symbol = src_let;
   tint_symbol = src_function;
   tint_symbol = src_private;
@@ -69,7 +59,7 @@ void foo(tint_array_wrapper src_param) {
   tint_symbol = ret_struct_arr().arr;
   tint_symbol = tint_symbol_2(src_uniform, 0u);
   tint_symbol = tint_symbol_4(src_storage, 0u);
-  tint_array_wrapper_1 dst_nested = (tint_array_wrapper_1)0;
+  int dst_nested[4][3][2] = (int[4][3][2])0;
-  tint_array_wrapper_1 src_nested = (tint_array_wrapper_1)0;
+  int src_nested[4][3][2] = (int[4][3][2])0;
   dst_nested = src_nested;
 }

test/array/assign_to_private_var.wgsl.expected.hlsl

@@ -6,49 +6,38 @@ void unused_entry_point() {
 struct tint_padded_array_element {
   int el;
 };
-struct tint_array_wrapper {
+struct S {
   tint_padded_array_element arr[4];
 };
-struct S {
-  tint_array_wrapper arr;
-};
 
-tint_array_wrapper tint_symbol_2(uint4 buffer[4], uint offset) {
+typedef tint_padded_array_element tint_symbol_2_ret[4];
+tint_symbol_2_ret tint_symbol_2(uint4 buffer[4], uint offset) {
   const uint scalar_offset = ((offset + 0u)) / 4;
   const uint scalar_offset_1 = ((offset + 16u)) / 4;
   const uint scalar_offset_2 = ((offset + 32u)) / 4;
   const uint scalar_offset_3 = ((offset + 48u)) / 4;
-  const tint_array_wrapper tint_symbol_5 = {{{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}}};
+  const tint_padded_array_element tint_symbol_5[4] = {{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}};
   return tint_symbol_5;
 }
 
-tint_array_wrapper tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+typedef tint_padded_array_element tint_symbol_4_ret[4];
-  const tint_array_wrapper tint_symbol_6 = {{{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}}};
+tint_symbol_4_ret tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+  const tint_padded_array_element tint_symbol_6[4] = {{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}};
   return tint_symbol_6;
 }
 
-static tint_array_wrapper src_private = (tint_array_wrapper)0;
+static tint_padded_array_element src_private[4] = (tint_padded_array_element[4])0;
-groupshared tint_array_wrapper src_workgroup;
+groupshared tint_padded_array_element src_workgroup[4];
 cbuffer cbuffer_src_uniform : register(b0, space0) {
   uint4 src_uniform[4];
 };
 RWByteAddressBuffer src_storage : register(u1, space0);
-static tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
+static tint_padded_array_element tint_symbol[4] = (tint_padded_array_element[4])0;
+static int dst_nested[4][3][2] = (int[4][3][2])0;
 
-struct tint_array_wrapper_3 {
+typedef tint_padded_array_element ret_arr_ret[4];
-  int arr[2];
+ret_arr_ret ret_arr() {
-};
+  const tint_padded_array_element tint_symbol_7[4] = (tint_padded_array_element[4])0;
-struct tint_array_wrapper_2 {
-  tint_array_wrapper_3 arr[3];
-};
-struct tint_array_wrapper_1 {
-  tint_array_wrapper_2 arr[4];
-};
-
-static tint_array_wrapper_1 dst_nested = (tint_array_wrapper_1)0;
-
-tint_array_wrapper ret_arr() {
-  const tint_array_wrapper tint_symbol_7 = {(tint_padded_array_element[4])0};
   return tint_symbol_7;
 }
 
@@ -57,13 +46,13 @@ S ret_struct_arr() {
   return tint_symbol_8;
 }
 
-void foo(tint_array_wrapper src_param) {
+void foo(tint_padded_array_element src_param[4]) {
-  tint_array_wrapper src_function = (tint_array_wrapper)0;
+  tint_padded_array_element src_function[4] = (tint_padded_array_element[4])0;
-  const tint_array_wrapper tint_symbol_9 = {{{1}, {2}, {3}, {3}}};
+  const tint_padded_array_element tint_symbol_9[4] = {{1}, {2}, {3}, {3}};
   tint_symbol = tint_symbol_9;
   tint_symbol = src_param;
   tint_symbol = ret_arr();
-  const tint_array_wrapper src_let = {(tint_padded_array_element[4])0};
+  const tint_padded_array_element src_let[4] = (tint_padded_array_element[4])0;
   tint_symbol = src_let;
   tint_symbol = src_function;
   tint_symbol = src_private;
@@ -71,6 +60,6 @@ void foo(tint_array_wrapper src_param) {
   tint_symbol = ret_struct_arr().arr;
   tint_symbol = tint_symbol_2(src_uniform, 0u);
   tint_symbol = tint_symbol_4(src_storage, 0u);
-  tint_array_wrapper_1 src_nested = (tint_array_wrapper_1)0;
+  int src_nested[4][3][2] = (int[4][3][2])0;
   dst_nested = src_nested;
 }

test/array/assign_to_storage_var.wgsl.expected.hlsl

@@ -6,64 +6,53 @@ void unused_entry_point() {
 struct tint_padded_array_element {
   int el;
 };
-struct tint_array_wrapper {
+struct S {
   tint_padded_array_element arr[4];
 };
-struct S {
-  tint_array_wrapper arr;
-};
 
-tint_array_wrapper tint_symbol_2(uint4 buffer[4], uint offset) {
+typedef tint_padded_array_element tint_symbol_2_ret[4];
+tint_symbol_2_ret tint_symbol_2(uint4 buffer[4], uint offset) {
   const uint scalar_offset = ((offset + 0u)) / 4;
   const uint scalar_offset_1 = ((offset + 16u)) / 4;
   const uint scalar_offset_2 = ((offset + 32u)) / 4;
   const uint scalar_offset_3 = ((offset + 48u)) / 4;
-  const tint_array_wrapper tint_symbol_11 = {{{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}}};
+  const tint_padded_array_element tint_symbol_11[4] = {{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}};
   return tint_symbol_11;
 }
 
-tint_array_wrapper tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+typedef tint_padded_array_element tint_symbol_4_ret[4];
-  const tint_array_wrapper tint_symbol_12 = {{{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}}};
+tint_symbol_4_ret tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+  const tint_padded_array_element tint_symbol_12[4] = {{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}};
   return tint_symbol_12;
 }
 
-void tint_symbol_6(RWByteAddressBuffer buffer, uint offset, tint_array_wrapper value) {
+void tint_symbol_6(RWByteAddressBuffer buffer, uint offset, tint_padded_array_element value[4]) {
-  buffer.Store((offset + 0u), asuint(value.arr[0u].el));
+  buffer.Store((offset + 0u), asuint(value[0u].el));
-  buffer.Store((offset + 16u), asuint(value.arr[1u].el));
+  buffer.Store((offset + 16u), asuint(value[1u].el));
-  buffer.Store((offset + 32u), asuint(value.arr[2u].el));
+  buffer.Store((offset + 32u), asuint(value[2u].el));
-  buffer.Store((offset + 48u), asuint(value.arr[3u].el));
+  buffer.Store((offset + 48u), asuint(value[3u].el));
 }
 
-struct tint_array_wrapper_3 {
+void tint_symbol_8(RWByteAddressBuffer buffer, uint offset, int value[2]) {
-  int arr[2];
+  buffer.Store((offset + 0u), asuint(value[0u]));
-};
+  buffer.Store((offset + 4u), asuint(value[1u]));
-struct tint_array_wrapper_2 {
-  tint_array_wrapper_3 arr[3];
-};
-struct tint_array_wrapper_1 {
-  tint_array_wrapper_2 arr[4];
-};
-
-void tint_symbol_8(RWByteAddressBuffer buffer, uint offset, tint_array_wrapper_3 value) {
-  buffer.Store((offset + 0u), asuint(value.arr[0u]));
-  buffer.Store((offset + 4u), asuint(value.arr[1u]));
 }
 
-void tint_symbol_9(RWByteAddressBuffer buffer, uint offset, tint_array_wrapper_2 value) {
+void tint_symbol_9(RWByteAddressBuffer buffer, uint offset, int value[3][2]) {
-  tint_symbol_8(buffer, (offset + 0u), value.arr[0u]);
+  tint_symbol_8(buffer, (offset + 0u), value[0u]);
-  tint_symbol_8(buffer, (offset + 8u), value.arr[1u]);
+  tint_symbol_8(buffer, (offset + 8u), value[1u]);
-  tint_symbol_8(buffer, (offset + 16u), value.arr[2u]);
+  tint_symbol_8(buffer, (offset + 16u), value[2u]);
 }
 
-void tint_symbol_10(RWByteAddressBuffer buffer, uint offset, tint_array_wrapper_1 value) {
+void tint_symbol_10(RWByteAddressBuffer buffer, uint offset, int value[4][3][2]) {
-  tint_symbol_9(buffer, (offset + 0u), value.arr[0u]);
+  tint_symbol_9(buffer, (offset + 0u), value[0u]);
-  tint_symbol_9(buffer, (offset + 24u), value.arr[1u]);
+  tint_symbol_9(buffer, (offset + 24u), value[1u]);
-  tint_symbol_9(buffer, (offset + 48u), value.arr[2u]);
+  tint_symbol_9(buffer, (offset + 48u), value[2u]);
-  tint_symbol_9(buffer, (offset + 72u), value.arr[3u]);
+  tint_symbol_9(buffer, (offset + 72u), value[3u]);
 }
 
-static tint_array_wrapper src_private = (tint_array_wrapper)0;
+static tint_padded_array_element src_private[4] = (tint_padded_array_element[4])0;
-groupshared tint_array_wrapper src_workgroup;
+groupshared tint_padded_array_element src_workgroup[4];
 cbuffer cbuffer_src_uniform : register(b0, space0) {
   uint4 src_uniform[4];
 };
@@ -71,8 +60,9 @@ RWByteAddressBuffer src_storage : register(u1, space0);
 RWByteAddressBuffer tint_symbol : register(u2, space0);
 RWByteAddressBuffer dst_nested : register(u3, space0);
 
-tint_array_wrapper ret_arr() {
+typedef tint_padded_array_element ret_arr_ret[4];
-  const tint_array_wrapper tint_symbol_13 = {(tint_padded_array_element[4])0};
+ret_arr_ret ret_arr() {
+  const tint_padded_array_element tint_symbol_13[4] = (tint_padded_array_element[4])0;
   return tint_symbol_13;
 }
 
@@ -81,13 +71,13 @@ S ret_struct_arr() {
   return tint_symbol_14;
 }
 
-void foo(tint_array_wrapper src_param) {
+void foo(tint_padded_array_element src_param[4]) {
-  tint_array_wrapper src_function = (tint_array_wrapper)0;
+  tint_padded_array_element src_function[4] = (tint_padded_array_element[4])0;
-  const tint_array_wrapper tint_symbol_15 = {{{1}, {2}, {3}, {3}}};
+  const tint_padded_array_element tint_symbol_15[4] = {{1}, {2}, {3}, {3}};
   tint_symbol_6(tint_symbol, 0u, tint_symbol_15);
   tint_symbol_6(tint_symbol, 0u, src_param);
   tint_symbol_6(tint_symbol, 0u, ret_arr());
-  const tint_array_wrapper src_let = {(tint_padded_array_element[4])0};
+  const tint_padded_array_element src_let[4] = (tint_padded_array_element[4])0;
   tint_symbol_6(tint_symbol, 0u, src_let);
   tint_symbol_6(tint_symbol, 0u, src_function);
   tint_symbol_6(tint_symbol, 0u, src_private);
@@ -95,6 +85,6 @@ void foo(tint_array_wrapper src_param) {
   tint_symbol_6(tint_symbol, 0u, ret_struct_arr().arr);
   tint_symbol_6(tint_symbol, 0u, tint_symbol_2(src_uniform, 0u));
   tint_symbol_6(tint_symbol, 0u, tint_symbol_4(src_storage, 0u));
-  tint_array_wrapper_1 src_nested = (tint_array_wrapper_1)0;
+  int src_nested[4][3][2] = (int[4][3][2])0;
   tint_symbol_10(dst_nested, 0u, src_nested);
 }

test/array/assign_to_subexpr.wgsl.expected.hlsl

@@ -3,24 +3,18 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  int arr[4];
-};
 struct S {
-  tint_array_wrapper arr;
+  int arr[4];
-};
-struct tint_array_wrapper_1 {
-  tint_array_wrapper arr[2];
 };
 
 void foo() {
-  const tint_array_wrapper src = {(int[4])0};
+  const int src[4] = (int[4])0;
-  tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
+  int tint_symbol[4] = (int[4])0;
   S dst_struct = (S)0;
-  tint_array_wrapper_1 dst_array = (tint_array_wrapper_1)0;
+  int dst_array[2][4] = (int[2][4])0;
   dst_struct.arr = src;
-  dst_array.arr[1] = src;
+  dst_array[1] = src;
   tint_symbol = src;
   dst_struct.arr = src;
-  dst_array.arr[0] = src;
+  dst_array[0] = src;
 }

test/array/assign_to_workgroup_var.wgsl.expected.hlsl

@@ -6,49 +6,38 @@ void unused_entry_point() {
 struct tint_padded_array_element {
   int el;
 };
-struct tint_array_wrapper {
+struct S {
   tint_padded_array_element arr[4];
 };
-struct S {
-  tint_array_wrapper arr;
-};
 
-tint_array_wrapper tint_symbol_2(uint4 buffer[4], uint offset) {
+typedef tint_padded_array_element tint_symbol_2_ret[4];
+tint_symbol_2_ret tint_symbol_2(uint4 buffer[4], uint offset) {
   const uint scalar_offset = ((offset + 0u)) / 4;
   const uint scalar_offset_1 = ((offset + 16u)) / 4;
   const uint scalar_offset_2 = ((offset + 32u)) / 4;
   const uint scalar_offset_3 = ((offset + 48u)) / 4;
-  const tint_array_wrapper tint_symbol_5 = {{{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}}};
+  const tint_padded_array_element tint_symbol_5[4] = {{asint(buffer[scalar_offset / 4][scalar_offset % 4])}, {asint(buffer[scalar_offset_1 / 4][scalar_offset_1 % 4])}, {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4])}, {asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])}};
   return tint_symbol_5;
 }
 
-tint_array_wrapper tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+typedef tint_padded_array_element tint_symbol_4_ret[4];
-  const tint_array_wrapper tint_symbol_6 = {{{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}}};
+tint_symbol_4_ret tint_symbol_4(RWByteAddressBuffer buffer, uint offset) {
+  const tint_padded_array_element tint_symbol_6[4] = {{asint(buffer.Load((offset + 0u)))}, {asint(buffer.Load((offset + 16u)))}, {asint(buffer.Load((offset + 32u)))}, {asint(buffer.Load((offset + 48u)))}};
   return tint_symbol_6;
 }
 
-static tint_array_wrapper src_private = (tint_array_wrapper)0;
+static tint_padded_array_element src_private[4] = (tint_padded_array_element[4])0;
-groupshared tint_array_wrapper src_workgroup;
+groupshared tint_padded_array_element src_workgroup[4];
 cbuffer cbuffer_src_uniform : register(b0, space0) {
   uint4 src_uniform[4];
 };
 RWByteAddressBuffer src_storage : register(u1, space0);
-groupshared tint_array_wrapper tint_symbol;
+groupshared tint_padded_array_element tint_symbol[4];
+groupshared int dst_nested[4][3][2];
 
-struct tint_array_wrapper_3 {
+typedef tint_padded_array_element ret_arr_ret[4];
-  int arr[2];
+ret_arr_ret ret_arr() {
-};
+  const tint_padded_array_element tint_symbol_7[4] = (tint_padded_array_element[4])0;
-struct tint_array_wrapper_2 {
-  tint_array_wrapper_3 arr[3];
-};
-struct tint_array_wrapper_1 {
-  tint_array_wrapper_2 arr[4];
-};
-
-groupshared tint_array_wrapper_1 dst_nested;
-
-tint_array_wrapper ret_arr() {
-  const tint_array_wrapper tint_symbol_7 = {(tint_padded_array_element[4])0};
   return tint_symbol_7;
 }
 
@@ -57,13 +46,13 @@ S ret_struct_arr() {
   return tint_symbol_8;
 }
 
-void foo(tint_array_wrapper src_param) {
+void foo(tint_padded_array_element src_param[4]) {
-  tint_array_wrapper src_function = (tint_array_wrapper)0;
+  tint_padded_array_element src_function[4] = (tint_padded_array_element[4])0;
-  const tint_array_wrapper tint_symbol_9 = {{{1}, {2}, {3}, {3}}};
+  const tint_padded_array_element tint_symbol_9[4] = {{1}, {2}, {3}, {3}};
   tint_symbol = tint_symbol_9;
   tint_symbol = src_param;
   tint_symbol = ret_arr();
-  const tint_array_wrapper src_let = {(tint_padded_array_element[4])0};
+  const tint_padded_array_element src_let[4] = (tint_padded_array_element[4])0;
   tint_symbol = src_let;
   tint_symbol = src_function;
   tint_symbol = src_private;
@@ -71,6 +60,6 @@ void foo(tint_array_wrapper src_param) {
   tint_symbol = ret_struct_arr().arr;
   tint_symbol = tint_symbol_2(src_uniform, 0u);
   tint_symbol = tint_symbol_4(src_storage, 0u);
-  tint_array_wrapper_1 src_nested = (tint_array_wrapper_1)0;
+  int src_nested[4][3][2] = (int[4][3][2])0;
   dst_nested = src_nested;
 }

test/array/function_parameter.wgsl.expected.hlsl

@@ -1,32 +1,20 @@
-struct tint_array_wrapper {
+float f1(float a[4]) {
-  float arr[4];
+  return a[3];
-};
-
-float f1(tint_array_wrapper a) {
-  return a.arr[3];
 }
 
-struct tint_array_wrapper_1 {
+float f2(float a[3][4]) {
-  tint_array_wrapper arr[3];
+  return a[2][3];
-};
-
-float f2(tint_array_wrapper_1 a) {
-  return a.arr[2].arr[3];
 }
 
-struct tint_array_wrapper_2 {
+float f3(float a[2][3][4]) {
-  tint_array_wrapper_1 arr[2];
+  return a[1][2][3];
-};
-
-float f3(tint_array_wrapper_2 a) {
-  return a.arr[1].arr[2].arr[3];
 }
 
 [numthreads(1, 1, 1)]
 void main() {
-  const tint_array_wrapper a1 = {(float[4])0};
+  const float a1[4] = (float[4])0;
-  const tint_array_wrapper_1 a2 = {(tint_array_wrapper[3])0};
+  const float a2[3][4] = (float[3][4])0;
-  const tint_array_wrapper_2 a3 = {(tint_array_wrapper_1[2])0};
+  const float a3[2][3][4] = (float[2][3][4])0;
   const float v1 = f1(a1);
   const float v2 = f2(a2);
   const float v3 = f3(a3);

test/array/function_return_type.wgsl.expected.hlsl

@@ -1,34 +1,25 @@
-struct tint_array_wrapper {
+typedef float f1_ret[4];
-  float arr[4];
+f1_ret f1() {
-};
+  const float tint_symbol[4] = (float[4])0;
-
-tint_array_wrapper f1() {
-  const tint_array_wrapper tint_symbol = {(float[4])0};
   return tint_symbol;
 }
 
-struct tint_array_wrapper_1 {
+typedef float f2_ret[3][4];
-  tint_array_wrapper arr[3];
+f2_ret f2() {
-};
+  const float tint_symbol_1[3][4] = {f1(), f1(), f1()};
-
-tint_array_wrapper_1 f2() {
-  const tint_array_wrapper_1 tint_symbol_1 = {{f1(), f1(), f1()}};
   return tint_symbol_1;
 }
 
-struct tint_array_wrapper_2 {
+typedef float f3_ret[2][3][4];
-  tint_array_wrapper_1 arr[2];
+f3_ret f3() {
-};
+  const float tint_symbol_2[2][3][4] = {f2(), f2()};
-
-tint_array_wrapper_2 f3() {
-  const tint_array_wrapper_2 tint_symbol_2 = {{f2(), f2()}};
   return tint_symbol_2;
 }
 
 [numthreads(1, 1, 1)]
 void main() {
-  const tint_array_wrapper a1 = f1();
+  const float a1[4] = f1();
-  const tint_array_wrapper_1 a2 = f2();
+  const float a2[3][4] = f2();
-  const tint_array_wrapper_2 a3 = f3();
+  const float a3[2][3][4] = f3();
   return;
 }

test/array/type_constructor.wgsl.expected.hlsl

@@ -1,50 +1,37 @@
-struct tint_array_wrapper {
-  int arr[4];
-};
-struct tint_array_wrapper_2 {
-  tint_array_wrapper arr[3];
-};
-struct tint_array_wrapper_1 {
-  tint_array_wrapper_2 arr[2];
-};
-struct tint_array_wrapper_3 {
-  tint_array_wrapper arr[2];
-};
-
 [numthreads(1, 1, 1)]
 void main() {
   const int x = 42;
-  const tint_array_wrapper empty = {(int[4])0};
+  const int empty[4] = (int[4])0;
-  const tint_array_wrapper nonempty = {{1, 2, 3, 4}};
+  const int nonempty[4] = {1, 2, 3, 4};
-  const tint_array_wrapper nonempty_with_expr = {{1, x, (x + 1), nonempty.arr[3]}};
+  const int nonempty_with_expr[4] = {1, x, (x + 1), nonempty[3]};
-  const tint_array_wrapper_1 nested_empty = {(tint_array_wrapper_2[2])0};
+  const int nested_empty[2][3][4] = (int[2][3][4])0;
-  const tint_array_wrapper tint_symbol = {{1, 2, 3, 4}};
+  const int tint_symbol[4] = {1, 2, 3, 4};
-  const tint_array_wrapper tint_symbol_1 = {{5, 6, 7, 8}};
+  const int tint_symbol_1[4] = {5, 6, 7, 8};
-  const tint_array_wrapper tint_symbol_2 = {{9, 10, 11, 12}};
+  const int tint_symbol_2[4] = {9, 10, 11, 12};
-  const tint_array_wrapper_2 tint_symbol_3 = {{tint_symbol, tint_symbol_1, tint_symbol_2}};
+  const int tint_symbol_3[3][4] = {tint_symbol, tint_symbol_1, tint_symbol_2};
-  const tint_array_wrapper tint_symbol_4 = {{13, 14, 15, 16}};
+  const int tint_symbol_4[4] = {13, 14, 15, 16};
-  const tint_array_wrapper tint_symbol_5 = {{17, 18, 19, 20}};
+  const int tint_symbol_5[4] = {17, 18, 19, 20};
-  const tint_array_wrapper tint_symbol_6 = {{21, 22, 23, 24}};
+  const int tint_symbol_6[4] = {21, 22, 23, 24};
-  const tint_array_wrapper_2 tint_symbol_7 = {{tint_symbol_4, tint_symbol_5, tint_symbol_6}};
+  const int tint_symbol_7[3][4] = {tint_symbol_4, tint_symbol_5, tint_symbol_6};
-  const tint_array_wrapper_1 nested_nonempty = {{tint_symbol_3, tint_symbol_7}};
+  const int nested_nonempty[2][3][4] = {tint_symbol_3, tint_symbol_7};
-  const tint_array_wrapper tint_symbol_8 = {{1, 2, x, (x + 1)}};
+  const int tint_symbol_8[4] = {1, 2, x, (x + 1)};
-  const tint_array_wrapper tint_symbol_9 = {{5, 6, nonempty.arr[2], (nonempty.arr[3] + 1)}};
+  const int tint_symbol_9[4] = {5, 6, nonempty[2], (nonempty[3] + 1)};
-  const tint_array_wrapper_2 tint_symbol_10 = {{tint_symbol_8, tint_symbol_9, nonempty}};
+  const int tint_symbol_10[3][4] = {tint_symbol_8, tint_symbol_9, nonempty};
-  const tint_array_wrapper_1 nested_nonempty_with_expr = {{tint_symbol_10, nested_nonempty.arr[1]}};
+  const int nested_nonempty_with_expr[2][3][4] = {tint_symbol_10, nested_nonempty[1]};
-  const tint_array_wrapper tint_symbol_11 = {(int[4])0};
+  const int tint_symbol_11[4] = (int[4])0;
-  const int subexpr_empty = tint_symbol_11.arr[1];
+  const int subexpr_empty = tint_symbol_11[1];
-  const tint_array_wrapper tint_symbol_12 = {{1, 2, 3, 4}};
+  const int tint_symbol_12[4] = {1, 2, 3, 4};
-  const int subexpr_nonempty = tint_symbol_12.arr[2];
+  const int subexpr_nonempty = tint_symbol_12[2];
-  const tint_array_wrapper tint_symbol_13 = {{1, x, (x + 1), nonempty.arr[3]}};
+  const int tint_symbol_13[4] = {1, x, (x + 1), nonempty[3]};
-  const int subexpr_nonempty_with_expr = tint_symbol_13.arr[2];
+  const int subexpr_nonempty_with_expr = tint_symbol_13[2];
-  const tint_array_wrapper_3 tint_symbol_14 = {(tint_array_wrapper[2])0};
+  const int tint_symbol_14[2][4] = (int[2][4])0;
-  const tint_array_wrapper subexpr_nested_empty = tint_symbol_14.arr[1];
+  const int subexpr_nested_empty[4] = tint_symbol_14[1];
-  const tint_array_wrapper tint_symbol_15 = {{1, 2, 3, 4}};
+  const int tint_symbol_15[4] = {1, 2, 3, 4};
-  const tint_array_wrapper tint_symbol_16 = {{5, 6, 7, 8}};
+  const int tint_symbol_16[4] = {5, 6, 7, 8};
-  const tint_array_wrapper_3 tint_symbol_17 = {{tint_symbol_15, tint_symbol_16}};
+  const int tint_symbol_17[2][4] = {tint_symbol_15, tint_symbol_16};
-  const tint_array_wrapper subexpr_nested_nonempty = tint_symbol_17.arr[1];
+  const int subexpr_nested_nonempty[4] = tint_symbol_17[1];
-  const tint_array_wrapper tint_symbol_18 = {{1, x, (x + 1), nonempty.arr[3]}};
+  const int tint_symbol_18[4] = {1, x, (x + 1), nonempty[3]};
-  const tint_array_wrapper_3 tint_symbol_19 = {{tint_symbol_18, nested_nonempty.arr[1].arr[2]}};
+  const int tint_symbol_19[2][4] = {tint_symbol_18, nested_nonempty[1][2]};
-  const tint_array_wrapper subexpr_nested_nonempty_with_expr = tint_symbol_19.arr[1];
+  const int subexpr_nested_nonempty_with_expr[4] = tint_symbol_19[1];
   return;
 }

test/bug/dawn/947.wgsl.expected.hlsl

@@ -13,15 +13,12 @@ struct tint_symbol_2 {
   float2 texcoords : TEXCOORD0;
   float4 position : SV_Position;
 };
-struct tint_array_wrapper {
-  float2 arr[3];
-};
 
 tint_symbol_2 vs_main(tint_symbol_1 tint_symbol) {
   const uint VertexIndex = tint_symbol.VertexIndex;
-  tint_array_wrapper texcoord = {{float2(-0.5f, 0.0f), float2(1.5f, 0.0f), float2(0.5f, 2.0f)}};
+  float2 texcoord[3] = {float2(-0.5f, 0.0f), float2(1.5f, 0.0f), float2(0.5f, 2.0f)};
   VertexOutputs output = (VertexOutputs)0;
-  output.position = float4(((texcoord.arr[VertexIndex] * 2.0f) - float2(1.0f, 1.0f)), 0.0f, 1.0f);
+  output.position = float4(((texcoord[VertexIndex] * 2.0f) - float2(1.0f, 1.0f)), 0.0f, 1.0f);
   const uint scalar_offset = (4u) / 4;
   bool flipY = (asfloat(uniforms[scalar_offset / 4][scalar_offset % 4]) < 0.0f);
   if (flipY) {
@@ -29,13 +26,13 @@ tint_symbol_2 vs_main(tint_symbol_1 tint_symbol) {
     uint4 ubo_load = uniforms[scalar_offset_1 / 4];
     const uint scalar_offset_2 = (8u) / 4;
     uint4 ubo_load_1 = uniforms[scalar_offset_2 / 4];
-    output.texcoords = ((((texcoord.arr[VertexIndex] * asfloat(((scalar_offset_1 & 2) ? ubo_load.zw : ubo_load.xy))) + asfloat(((scalar_offset_2 & 2) ? ubo_load_1.zw : ubo_load_1.xy))) * float2(1.0f, -1.0f)) + float2(0.0f, 1.0f));
+    output.texcoords = ((((texcoord[VertexIndex] * asfloat(((scalar_offset_1 & 2) ? ubo_load.zw : ubo_load.xy))) + asfloat(((scalar_offset_2 & 2) ? ubo_load_1.zw : ubo_load_1.xy))) * float2(1.0f, -1.0f)) + float2(0.0f, 1.0f));
   } else {
     const uint scalar_offset_3 = (0u) / 4;
     uint4 ubo_load_2 = uniforms[scalar_offset_3 / 4];
     const uint scalar_offset_4 = (8u) / 4;
     uint4 ubo_load_3 = uniforms[scalar_offset_4 / 4];
-    output.texcoords = ((((texcoord.arr[VertexIndex] * float2(1.0f, -1.0f)) + float2(0.0f, 1.0f)) * asfloat(((scalar_offset_3 & 2) ? ubo_load_2.zw : ubo_load_2.xy))) + asfloat(((scalar_offset_4 & 2) ? ubo_load_3.zw : ubo_load_3.xy)));
+    output.texcoords = ((((texcoord[VertexIndex] * float2(1.0f, -1.0f)) + float2(0.0f, 1.0f)) * asfloat(((scalar_offset_3 & 2) ? ubo_load_2.zw : ubo_load_2.xy))) + asfloat(((scalar_offset_4 & 2) ? ubo_load_3.zw : ubo_load_3.xy)));
   }
   const tint_symbol_2 tint_symbol_8 = {output.texcoords, output.position};
   return tint_symbol_8;

test/bug/tint/403.wgsl.expected.hlsl

@@ -27,19 +27,16 @@ struct tint_symbol_1 {
 struct tint_symbol_2 {
   float4 value : SV_Position;
 };
-struct tint_array_wrapper {
-  float2 arr[3];
-};
 
 tint_symbol_2 main(tint_symbol_1 tint_symbol) {
   const uint gl_VertexIndex = tint_symbol.gl_VertexIndex;
-  tint_array_wrapper indexable = (tint_array_wrapper)0;
+  float2 indexable[3] = (float2[3])0;
   const float2x2 x_23 = tint_symbol_4(x_20, 0u);
   const float2x2 x_28 = tint_symbol_6(x_26, 0u);
   const uint x_46 = gl_VertexIndex;
-  const tint_array_wrapper tint_symbol_7 = {{float2(-1.0f, 1.0f), float2(1.0f, 1.0f), float2(-1.0f, -1.0f)}};
+  const float2 tint_symbol_7[3] = {float2(-1.0f, 1.0f), float2(1.0f, 1.0f), float2(-1.0f, -1.0f)};
   indexable = tint_symbol_7;
-  const float2 x_51 = indexable.arr[x_46];
+  const float2 x_51 = indexable[x_46];
   const float2 x_52 = mul(x_51, float2x2((x_23[0u] + x_28[0u]), (x_23[1u] + x_28[1u])));
   const tint_symbol_2 tint_symbol_8 = {float4(x_52.x, x_52.y, 0.0f, 1.0f)};
   return tint_symbol_8;

test/bug/tint/782.wgsl.expected.hlsl

@@ -3,12 +3,8 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  int arr[2];
-};
-
 void foo() {
-  tint_array_wrapper tint_symbol = (tint_array_wrapper)0;
+  int tint_symbol[2] = (int[2])0;
-  tint_array_wrapper implict = (tint_array_wrapper)0;
+  int implict[2] = (int[2])0;
   implict = tint_symbol;
 }

test/bug/tint/824.wgsl.expected.hlsl

@@ -10,22 +10,16 @@ struct tint_symbol_2 {
   float4 color : TEXCOORD0;
   float4 Position : SV_Position;
 };
-struct tint_array_wrapper {
-  float2 arr[4];
-};
-struct tint_array_wrapper_1 {
-  float4 arr[4];
-};
 
 tint_symbol_2 main(tint_symbol_1 tint_symbol) {
   const uint VertexIndex = tint_symbol.VertexIndex;
   const uint InstanceIndex = tint_symbol.InstanceIndex;
-  tint_array_wrapper zv = {{float2(0.200000003f, 0.200000003f), float2(0.300000012f, 0.300000012f), float2(-0.100000001f, -0.100000001f), float2(1.100000024f, 1.100000024f)}};
+  float2 zv[4] = {float2(0.200000003f, 0.200000003f), float2(0.300000012f, 0.300000012f), float2(-0.100000001f, -0.100000001f), float2(1.100000024f, 1.100000024f)};
-  const float z = zv.arr[InstanceIndex].x;
+  const float z = zv[InstanceIndex].x;
   Output output = (Output)0;
   output.Position = float4(0.5f, 0.5f, z, 1.0f);
-  tint_array_wrapper_1 colors = {{float4(1.0f, 0.0f, 0.0f, 1.0f), float4(0.0f, 1.0f, 0.0f, 1.0f), float4(0.0f, 0.0f, 1.0f, 1.0f), float4(1.0f, 1.0f, 1.0f, 1.0f)}};
+  float4 colors[4] = {float4(1.0f, 0.0f, 0.0f, 1.0f), float4(0.0f, 1.0f, 0.0f, 1.0f), float4(0.0f, 0.0f, 1.0f, 1.0f), float4(1.0f, 1.0f, 1.0f, 1.0f)};
-  output.color = colors.arr[InstanceIndex];
+  output.color = colors[InstanceIndex];
   const tint_symbol_2 tint_symbol_3 = {output.color, output.Position};
   return tint_symbol_3;
 }

test/bug/tint/870.spvasm.expected.hlsl

@@ -1,23 +1,20 @@
-struct tint_array_wrapper {
+typedef int tint_symbol_1_ret[6];
-  int arr[6];
+tint_symbol_1_ret tint_symbol_1(ByteAddressBuffer buffer, uint offset) {
-};
+  const int tint_symbol_2[6] = {asint(buffer.Load((offset + 0u))), asint(buffer.Load((offset + 4u))), asint(buffer.Load((offset + 8u))), asint(buffer.Load((offset + 12u))), asint(buffer.Load((offset + 16u))), asint(buffer.Load((offset + 20u)))};
-
-tint_array_wrapper tint_symbol_1(ByteAddressBuffer buffer, uint offset) {
-  const tint_array_wrapper tint_symbol_2 = {{asint(buffer.Load((offset + 0u))), asint(buffer.Load((offset + 4u))), asint(buffer.Load((offset + 8u))), asint(buffer.Load((offset + 12u))), asint(buffer.Load((offset + 16u))), asint(buffer.Load((offset + 20u)))}};
   return tint_symbol_2;
 }
 
 ByteAddressBuffer sspp962805860buildInformation : register(t2, space0);
 
 void main_1() {
-  tint_array_wrapper orientation = (tint_array_wrapper)0;
+  int orientation[6] = (int[6])0;
-  const tint_array_wrapper x_23 = tint_symbol_1(sspp962805860buildInformation, 36u);
+  const int x_23[6] = tint_symbol_1(sspp962805860buildInformation, 36u);
-  orientation.arr[0] = x_23.arr[0u];
+  orientation[0] = x_23[0u];
-  orientation.arr[1] = x_23.arr[1u];
+  orientation[1] = x_23[1u];
-  orientation.arr[2] = x_23.arr[2u];
+  orientation[2] = x_23[2u];
-  orientation.arr[3] = x_23.arr[3u];
+  orientation[3] = x_23[3u];
-  orientation.arr[4] = x_23.arr[4u];
+  orientation[4] = x_23[4u];
-  orientation.arr[5] = x_23.arr[5u];
+  orientation[5] = x_23[5u];
   return;
 }
 

test/bug/tint/914.wgsl.expected.hlsl

@@ -54,28 +54,14 @@ static const uint ColPerThread = 4u;
 static const uint TileAOuter = 64u;
 static const uint TileBOuter = 64u;
 static const uint TileInner = 64u;
-
+groupshared float mm_Asub[64][64];
-struct tint_array_wrapper_1 {
+groupshared float mm_Bsub[64][64];
-  float arr[64];
-};
-struct tint_array_wrapper {
-  tint_array_wrapper_1 arr[64];
-};
-
-groupshared tint_array_wrapper mm_Asub;
-groupshared tint_array_wrapper mm_Bsub;
 
 struct tint_symbol_1 {
   uint3 local_id : SV_GroupThreadID;
   uint local_invocation_index : SV_GroupIndex;
   uint3 global_id : SV_DispatchThreadID;
 };
-struct tint_array_wrapper_2 {
-  float arr[16];
-};
-struct tint_array_wrapper_3 {
-  float arr[4];
-};
 
 [numthreads(16, 16, 1)]
 void main(tint_symbol_1 tint_symbol) {
@@ -83,9 +69,9 @@ void main(tint_symbol_1 tint_symbol) {
   const uint3 global_id = tint_symbol.global_id;
   const uint local_invocation_index = tint_symbol.local_invocation_index;
   if ((local_invocation_index == 0u)) {
-    const tint_array_wrapper tint_symbol_5 = {(tint_array_wrapper_1[64])0};
+    const float tint_symbol_5[64][64] = (float[64][64])0;
     mm_Asub = tint_symbol_5;
-    const tint_array_wrapper tint_symbol_6 = {(tint_array_wrapper_1[64])0};
+    const float tint_symbol_6[64][64] = (float[64][64])0;
     mm_Bsub = tint_symbol_6;
   }
   GroupMemoryBarrierWithGroupSync();
@@ -95,13 +81,13 @@ void main(tint_symbol_1 tint_symbol) {
   const uint globalCol = (global_id.x * ColPerThread);
   const uint scalar_offset_9 = (4u) / 4;
   const uint numTiles = (((uniforms[scalar_offset_9 / 4][scalar_offset_9 % 4] - 1u) / TileInner) + 1u);
-  tint_array_wrapper_2 acc = (tint_array_wrapper_2)0;
+  float acc[16] = (float[16])0;
   float ACached = 0.0f;
-  tint_array_wrapper_3 BCached = (tint_array_wrapper_3)0;
+  float BCached[4] = (float[4])0;
   {
     uint index = 0u;
     for(; !(!((index < (RowPerThread * ColPerThread)))); index = (index + 1u)) {
-      acc.arr[index] = 0.0f;
+      acc[index] = 0.0f;
     }
   }
   const uint ColPerThreadA = (TileInner / 16u);
@@ -119,7 +105,7 @@ void main(tint_symbol_1 tint_symbol) {
             for(; !(!((innerCol < ColPerThreadA))); innerCol = (innerCol + 1u)) {
               const uint inputRow = (tileRow + innerRow);
               const uint inputCol = (tileColA + innerCol);
-              mm_Asub.arr[inputRow].arr[inputCol] = mm_readA((globalRow + innerRow), ((t * TileInner) + inputCol));
+              mm_Asub[inputRow][inputCol] = mm_readA((globalRow + innerRow), ((t * TileInner) + inputCol));
             }
           }
         }
@@ -132,7 +118,7 @@ void main(tint_symbol_1 tint_symbol) {
             for(; !(!((innerCol < ColPerThread))); innerCol = (innerCol + 1u)) {
               const uint inputRow = (tileRowB + innerRow);
               const uint inputCol = (tileCol + innerCol);
-              mm_Bsub.arr[innerCol].arr[inputCol] = mm_readB(((t * TileInner) + inputRow), (globalCol + innerCol));
+              mm_Bsub[innerCol][inputCol] = mm_readB(((t * TileInner) + inputRow), (globalCol + innerCol));
             }
           }
         }
@@ -144,18 +130,18 @@ void main(tint_symbol_1 tint_symbol) {
           {
             uint inner = 0u;
             for(; !(!((inner < ColPerThread))); inner = (inner + 1u)) {
-              BCached.arr[inner] = mm_Bsub.arr[k].arr[(tileCol + inner)];
+              BCached[inner] = mm_Bsub[k][(tileCol + inner)];
             }
           }
           {
             uint innerRow = 0u;
             for(; !(!((innerRow < RowPerThread))); innerRow = (innerRow + 1u)) {
-              ACached = mm_Asub.arr[(tileRow + innerRow)].arr[k];
+              ACached = mm_Asub[(tileRow + innerRow)][k];
               {
                 uint innerCol = 0u;
                 for(; !(!((innerCol < ColPerThread))); innerCol = (innerCol + 1u)) {
                   const uint index = ((innerRow * ColPerThread) + innerCol);
-                  acc.arr[index] = (acc.arr[index] + (ACached * BCached.arr[innerCol]));
+                  acc[index] = (acc[index] + (ACached * BCached[innerCol]));
                 }
               }
             }
@@ -172,7 +158,7 @@ void main(tint_symbol_1 tint_symbol) {
         uint innerCol = 0u;
         for(; !(!((innerCol < ColPerThread))); innerCol = (innerCol + 1u)) {
           const uint index = ((innerRow * ColPerThread) + innerCol);
-          mm_write((globalRow + innerRow), (globalCol + innerCol), acc.arr[index]);
+          mm_write((globalRow + innerRow), (globalCol + innerCol), acc[index]);
         }
       }
     }

test/bug/tint/943.spvasm.expected.hlsl

@@ -7,24 +7,8 @@ static int dimBOuter_1 = 0;
 RWByteAddressBuffer x_54 : register(u0, space0);
 static uint3 gl_LocalInvocationID = uint3(0u, 0u, 0u);
 static uint3 gl_GlobalInvocationID = uint3(0u, 0u, 0u);
-
+groupshared float mm_Asub[64][64];
-struct tint_array_wrapper_1 {
+groupshared float mm_Bsub[64][1];
-  float arr[64];
-};
-struct tint_array_wrapper {
-  tint_array_wrapper_1 arr[64];
-};
-
-groupshared tint_array_wrapper mm_Asub;
-
-struct tint_array_wrapper_3 {
-  float arr[1];
-};
-struct tint_array_wrapper_2 {
-  tint_array_wrapper_3 arr[64];
-};
-
-groupshared tint_array_wrapper_2 mm_Bsub;
 ByteAddressBuffer x_165 : register(t1, space0);
 static int batch = 0;
 ByteAddressBuffer x_185 : register(t2, space0);
@@ -161,10 +145,6 @@ void mm_write_i1_i1_f1_(inout int row_2, inout int col_2, inout float value_2) {
   return;
 }
 
-struct tint_array_wrapper_4 {
-  tint_array_wrapper_3 arr[1];
-};
-
 void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimBOuter) {
   int tileRow = 0;
   int tileCol = 0;
@@ -173,7 +153,7 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
   int numTiles = 0;
   int innerRow = 0;
   int innerCol = 0;
-  tint_array_wrapper_4 acc = (tint_array_wrapper_4)0;
+  float acc[1][1] = (float[1][1])0;
   int tileColA = 0;
   int tileRowB = 0;
   int t = 0;
@@ -191,7 +171,7 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
   int param_6 = 0;
   int k = 0;
   int inner = 0;
-  tint_array_wrapper_3 BCached = (tint_array_wrapper_3)0;
+  float BCached[1] = (float[1])0;
   int innerRow_3 = 0;
   float ACached = 0.0f;
   int innerCol_3 = 0;
@@ -214,7 +194,7 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
   for(; (innerRow < 1); innerRow = (innerRow + 1)) {
     innerCol = 0;
     for(; (innerCol < 1); innerCol = (innerCol + 1)) {
-      acc.arr[innerRow].arr[innerCol] = 0.0f;
+      acc[innerRow][innerCol] = 0.0f;
     }
   }
   const uint x_187 = gl_LocalInvocationID.x;
@@ -236,7 +216,7 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
         param_3 = (globalRow + innerRow_1);
         param_4 = ((x_238 * 64) + x_240);
         const float x_244 = mm_readA_i1_i1_(param_3, param_4);
-        mm_Asub.arr[x_233].arr[x_234] = x_244;
+        mm_Asub[x_233][x_234] = x_244;
       }
     }
     innerRow_2 = 0;
@@ -252,7 +232,7 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
         param_5 = ((t * 64) + inputRow_1);
         param_6 = (x_284 + x_285);
         const float x_289 = mm_readB_i1_i1_(param_5, param_6);
-        mm_Bsub.arr[x_278].arr[x_279] = x_289;
+        mm_Bsub[x_278][x_279] = x_289;
       }
     }
     GroupMemoryBarrierWithGroupSync();
@@ -261,21 +241,21 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
       inner = 0;
       for(; (inner < 1); inner = (inner + 1)) {
         const int x_314 = inner;
-        const float x_320 = mm_Bsub.arr[k].arr[(tileCol + inner)];
+        const float x_320 = mm_Bsub[k][(tileCol + inner)];
-        BCached.arr[x_314] = x_320;
+        BCached[x_314] = x_320;
       }
       innerRow_3 = 0;
       for(; (innerRow_3 < 1); innerRow_3 = (innerRow_3 + 1)) {
-        const float x_338 = mm_Asub.arr[(tileRow + innerRow_3)].arr[k];
+        const float x_338 = mm_Asub[(tileRow + innerRow_3)][k];
         ACached = x_338;
         innerCol_3 = 0;
         for(; (innerCol_3 < 1); innerCol_3 = (innerCol_3 + 1)) {
           const int x_347 = innerRow_3;
           const int x_348 = innerCol_3;
           const float x_349 = ACached;
-          const float x_352 = BCached.arr[innerCol_3];
+          const float x_352 = BCached[innerCol_3];
-          const float x_355 = acc.arr[x_347].arr[x_348];
+          const float x_355 = acc[x_347][x_348];
-          acc.arr[x_347].arr[x_348] = (x_355 + (x_349 * x_352));
+          acc[x_347][x_348] = (x_355 + (x_349 * x_352));
         }
       }
     }
@@ -310,7 +290,7 @@ void mm_matMul_i1_i1_i1_(inout int dimAOuter, inout int dimInner, inout int dimB
         const int x_404 = innerCol_4;
         param_7 = (globalRow + innerRow_4);
         param_8 = (x_400 + x_401);
-        const float x_409 = acc.arr[x_403].arr[x_404];
+        const float x_409 = acc[x_403][x_404];
         param_9 = x_409;
         mm_write_i1_i1_f1_(param_7, param_8, param_9);
       }
@@ -356,9 +336,9 @@ void main(tint_symbol_1 tint_symbol) {
   const uint3 gl_GlobalInvocationID_param = tint_symbol.gl_GlobalInvocationID_param;
   const uint local_invocation_index = tint_symbol.local_invocation_index;
   if ((local_invocation_index == 0u)) {
-    const tint_array_wrapper tint_symbol_6 = {(tint_array_wrapper_1[64])0};
+    const float tint_symbol_6[64][64] = (float[64][64])0;
     mm_Asub = tint_symbol_6;
-    const tint_array_wrapper_2 tint_symbol_7 = {(tint_array_wrapper_3[64])0};
+    const float tint_symbol_7[64][1] = (float[64][1])0;
     mm_Bsub = tint_symbol_7;
   }
   GroupMemoryBarrierWithGroupSync();

test/expressions/zero_init/array/bool.wgsl.expected.hlsl

@@ -3,10 +3,6 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  bool arr[4];
-};
-
 void f() {
-  tint_array_wrapper v = {(bool[4])0};
+  bool v[4] = (bool[4])0;
 }

test/expressions/zero_init/array/f32.wgsl.expected.hlsl

@@ -3,10 +3,6 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  float arr[4];
-};
-
 void f() {
-  tint_array_wrapper v = {(float[4])0};
+  float v[4] = (float[4])0;
 }

test/expressions/zero_init/array/i32.wgsl.expected.hlsl

@@ -3,10 +3,6 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  int arr[4];
-};
-
 void f() {
-  tint_array_wrapper v = {(int[4])0};
+  int v[4] = (int[4])0;
 }

test/expressions/zero_init/array/struct.wgsl.expected.hlsl

@@ -9,10 +9,7 @@ struct S {
   float f;
   bool b;
 };
-struct tint_array_wrapper {
-  S arr[4];
-};
 
 void f() {
-  tint_array_wrapper v = {(S[4])0};
+  S v[4] = (S[4])0;
 }

test/expressions/zero_init/array/u32.wgsl.expected.hlsl

@@ -3,10 +3,6 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  uint arr[4];
-};
-
 void f() {
-  tint_array_wrapper v = {(uint[4])0};
+  uint v[4] = (uint[4])0;
 }

test/expressions/zero_init/struct/array.wgsl.expected.hlsl

@@ -3,11 +3,8 @@ void unused_entry_point() {
   return;
 }
 
-struct tint_array_wrapper {
-  float arr[4];
-};
 struct S {
-  tint_array_wrapper a;
+  float a[4];
 };
 
 void f() {

test/samples/triangle.wgsl.expected.hlsl

@@ -4,14 +4,11 @@ struct tint_symbol_1 {
 struct tint_symbol_2 {
   float4 value : SV_Position;
 };
-struct tint_array_wrapper {
-  float2 arr[3];
-};
 
 tint_symbol_2 vtx_main(tint_symbol_1 tint_symbol) {
   const uint VertexIndex = tint_symbol.VertexIndex;
-  tint_array_wrapper pos = {{float2(0.0f, 0.5f), float2(-0.5f, -0.5f), float2(0.5f, -0.5f)}};
+  float2 pos[3] = {float2(0.0f, 0.5f), float2(-0.5f, -0.5f), float2(0.5f, -0.5f)};
-  const tint_symbol_2 tint_symbol_4 = {float4(pos.arr[VertexIndex], 0.0f, 1.0f)};
+  const tint_symbol_2 tint_symbol_4 = {float4(pos[VertexIndex], 0.0f, 1.0f)};
   return tint_symbol_4;
 }
 

test/struct/type_constructor.wgsl.expected.hlsl

@@ -13,14 +13,8 @@ struct S3 {
   S1 h;
   S2 i;
 };
-struct tint_array_wrapper {
-  int arr[2];
-};
 struct T {
-  tint_array_wrapper a;
+  int a[2];
-};
-struct tint_array_wrapper_1 {
-  T arr[2];
 };
 
 [numthreads(1, 1, 1)]
@@ -51,14 +45,14 @@ void main() {
   const S1 tint_symbol_11 = {2, x, (x + 1), nested_nonempty.i.f.d};
   const S2 tint_symbol_12 = {1, tint_symbol_11};
   const S1 subexpr_nested_nonempty_with_expr = tint_symbol_12.f;
-  const tint_array_wrapper_1 aosoa_empty = {(T[2])0};
+  const T aosoa_empty[2] = (T[2])0;
-  const tint_array_wrapper tint_symbol_13 = {{1, 2}};
+  const int tint_symbol_13[2] = {1, 2};
   const T tint_symbol_14 = {tint_symbol_13};
-  const tint_array_wrapper tint_symbol_15 = {{3, 4}};
+  const int tint_symbol_15[2] = {3, 4};
   const T tint_symbol_16 = {tint_symbol_15};
-  const tint_array_wrapper_1 aosoa_nonempty = {{tint_symbol_14, tint_symbol_16}};
+  const T aosoa_nonempty[2] = {tint_symbol_14, tint_symbol_16};
-  const tint_array_wrapper tint_symbol_17 = {{1, (aosoa_nonempty.arr[0].a.arr[0] + 1)}};
+  const int tint_symbol_17[2] = {1, (aosoa_nonempty[0].a[0] + 1)};
   const T tint_symbol_18 = {tint_symbol_17};
-  const tint_array_wrapper_1 aosoa_nonempty_with_expr = {{tint_symbol_18, aosoa_nonempty.arr[1]}};
+  const T aosoa_nonempty_with_expr[2] = {tint_symbol_18, aosoa_nonempty[1]};
   return;
 }

test/types/function_scope_declarations.wgsl.expected.hlsl

@@ -1,9 +1,6 @@
 struct S {
   float a;
 };
-struct tint_array_wrapper {
-  float arr[4];
-};
 
 [numthreads(1, 1, 1)]
 void main() {
@@ -23,8 +20,8 @@ void main() {
   const float4 v4f32_let = float4(0.0f, 0.0f, 0.0f, 0.0f);
   float2x3 m2x3_var = float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
   const float3x4 m3x4_let = float3x4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
-  tint_array_wrapper arr_var = {(float[4])0};
+  float arr_var[4] = (float[4])0;
-  const tint_array_wrapper arr_let = {(float[4])0};
+  const float arr_let[4] = (float[4])0;
   S struct_var = (S)0;
   const S struct_let = (S)0;
   return;

test/types/module_scope_let.wgsl.expected.hlsl

@@ -10,12 +10,7 @@ static const int2 v2i32_let = int2(0, 0);
 static const uint3 v3u32_let = uint3(0u, 0u, 0u);
 static const float4 v4f32_let = float4(0.0f, 0.0f, 0.0f, 0.0f);
 static const float3x4 m3x4_let = float3x4(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
-
+static const float arr_let[4] = (float[4])0;
-struct tint_array_wrapper {
-  float arr[4];
-};
-
-static const tint_array_wrapper arr_let = {(float[4])0};
 static const S struct_let = (S)0;
 
 [numthreads(1, 1, 1)]

test/types/module_scope_var.wgsl.expected.hlsl

@@ -10,12 +10,7 @@ static int2 v2i32_var = int2(0, 0);
 static uint3 v3u32_var = uint3(0u, 0u, 0u);
 static float4 v4f32_var = float4(0.0f, 0.0f, 0.0f, 0.0f);
 static float2x3 m2x3_var = float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
-
+static float arr_var[4] = (float[4])0;
-struct tint_array_wrapper {
-  float arr[4];
-};
-
-static tint_array_wrapper arr_var = (tint_array_wrapper)0;
 static S struct_var = (S)0;
 
 [numthreads(1, 1, 1)]
@@ -28,7 +23,7 @@ void main() {
   v3u32_var = uint3(0u, 0u, 0u);
   v4f32_var = float4(0.0f, 0.0f, 0.0f, 0.0f);
   m2x3_var = float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
-  const tint_array_wrapper tint_symbol = {(float[4])0};
+  const float tint_symbol[4] = (float[4])0;
   arr_var = tint_symbol;
   const S tint_symbol_1 = (S)0;
   struct_var = tint_symbol_1;

test/types/module_scope_var_initializers.wgsl.expected.hlsl

@@ -10,12 +10,7 @@ static int2 v2i32_var = int2(0, 0);
 static uint3 v3u32_var = uint3(0u, 0u, 0u);
 static float4 v4f32_var = float4(0.0f, 0.0f, 0.0f, 0.0f);
 static float2x3 m2x3_var = float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
-
+static float arr_var[4] = (float[4])0;
-struct tint_array_wrapper {
-  float arr[4];
-};
-
-static tint_array_wrapper arr_var = {(float[4])0};
 static S struct_var = (S)0;
 
 [numthreads(1, 1, 1)]
@@ -28,7 +23,7 @@ void main() {
   v3u32_var = uint3(0u, 0u, 0u);
   v4f32_var = float4(0.0f, 0.0f, 0.0f, 0.0f);
   m2x3_var = float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
-  const tint_array_wrapper tint_symbol = {(float[4])0};
+  const float tint_symbol[4] = (float[4])0;
   arr_var = tint_symbol;
   const S tint_symbol_1 = (S)0;
   struct_var = tint_symbol_1;

test/types/parameters.wgsl.expected.hlsl

@@ -1,11 +1,8 @@
 struct S {
   float a;
 };
-struct tint_array_wrapper {
-  float arr[4];
-};
 
-void foo(bool param_bool, int param_i32, uint param_u32, float param_f32, int2 param_v2i32, uint3 param_v3u32, float4 param_v4f32, float2x3 param_m2x3, tint_array_wrapper param_arr, S param_struct, inout float param_ptr_f32, inout float4 param_ptr_vec, inout tint_array_wrapper param_ptr_arr) {
+void foo(bool param_bool, int param_i32, uint param_u32, float param_f32, int2 param_v2i32, uint3 param_v3u32, float4 param_v4f32, float2x3 param_m2x3, float param_arr[4], S param_struct, inout float param_ptr_f32, inout float4 param_ptr_vec, inout float param_ptr_arr[4]) {
 }
 
 [numthreads(1, 1, 1)]

test/types/return_types.wgsl.expected.hlsl

@@ -34,12 +34,9 @@ float2x3 ret_m2x3() {
   return float2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
 }
 
-struct tint_array_wrapper {
+typedef float ret_arr_ret[4];
-  float arr[4];
+ret_arr_ret ret_arr() {
-};
+  const float tint_symbol[4] = (float[4])0;
-
-tint_array_wrapper ret_arr() {
-  const tint_array_wrapper tint_symbol = {(float[4])0};
   return tint_symbol;
 }
 

test/types/struct_members.wgsl.expected.hlsl

@@ -1,9 +1,6 @@
 struct S_inner {
   float a;
 };
-struct tint_array_wrapper {
-  float arr[4];
-};
 struct S {
   bool member_bool;
   int member_i32;
@@ -13,7 +10,7 @@ struct S {
   uint3 member_v3u32;
   float4 member_v4f32;
   float2x3 member_m2x3;
-  tint_array_wrapper member_arr;
+  float member_arr[4];
   S_inner member_struct;
 };
 

test/var/inferred/function-let.wgsl.expected.hlsl

@@ -1,9 +1,6 @@
 struct MyStruct {
   float f1;
 };
-struct tint_array_wrapper {
-  float arr[10];
-};
 
 int ret_i32() {
   return 1;
@@ -22,8 +19,9 @@ MyStruct ret_MyStruct() {
   return tint_symbol_1;
 }
 
-tint_array_wrapper ret_MyArray() {
+typedef float ret_MyArray_ret[10];
-  const tint_array_wrapper tint_symbol_2 = {(float[10])0};
+ret_MyArray_ret ret_MyArray() {
+  const float tint_symbol_2[10] = (float[10])0;
   return tint_symbol_2;
 }
 
@@ -36,13 +34,13 @@ void let_decls() {
   const float3 v6 = float3(1.0f, 1.0f, 1.0f);
   const float3x3 v7 = float3x3(v6, v6, v6);
   const MyStruct v8 = {1.0f};
-  const tint_array_wrapper v9 = {(float[10])0};
+  const float v9[10] = (float[10])0;
   const int v10 = ret_i32();
   const uint v11 = ret_u32();
   const float v12 = ret_f32();
   const MyStruct v13 = ret_MyStruct();
   const MyStruct v14 = ret_MyStruct();
-  const tint_array_wrapper v15 = ret_MyArray();
+  const float v15[10] = ret_MyArray();
 }
 
 struct tint_symbol {

test/var/inferred/function-var.wgsl.expected.hlsl

@@ -1,9 +1,6 @@
 struct MyStruct {
   float f1;
 };
-struct tint_array_wrapper {
-  float arr[10];
-};
 
 int ret_i32() {
   return 1;
@@ -22,8 +19,9 @@ MyStruct ret_MyStruct() {
   return tint_symbol_1;
 }
 
-tint_array_wrapper ret_MyArray() {
+typedef float ret_MyArray_ret[10];
-  const tint_array_wrapper tint_symbol_2 = {(float[10])0};
+ret_MyArray_ret ret_MyArray() {
+  const float tint_symbol_2[10] = (float[10])0;
   return tint_symbol_2;
 }
 
@@ -36,13 +34,13 @@ void var_decls() {
   float3 v6 = float3(1.0f, 1.0f, 1.0f);
   float3x3 v7 = float3x3(v6, v6, v6);
   MyStruct v8 = {1.0f};
-  tint_array_wrapper v9 = {(float[10])0};
+  float v9[10] = (float[10])0;
   int v10 = ret_i32();
   uint v11 = ret_u32();
   float v12 = ret_f32();
   MyStruct v13 = ret_MyStruct();
   MyStruct v14 = ret_MyStruct();
-  tint_array_wrapper v15 = ret_MyArray();
+  float v15[10] = ret_MyArray();
 }
 
 struct tint_symbol {

test/var/inferred/global-let.wgsl.expected.hlsl

@@ -1,9 +1,6 @@
 struct MyStruct {
   float f1;
 };
-struct tint_array_wrapper {
-  float arr[10];
-};
 
 static const int v1 = 1;
 static const uint v2 = 1u;
@@ -13,7 +10,7 @@ static const uint3 v5 = uint3(1u, 1u, 1u);
 static const float3 v6 = float3(1.0f, 1.0f, 1.0f);
 static const float3x3 v7 = float3x3(float3(1.0f, 1.0f, 1.0f), float3(1.0f, 1.0f, 1.0f), float3(1.0f, 1.0f, 1.0f));
 static const MyStruct v8 = (MyStruct)0;
-static const tint_array_wrapper v9 = {(float[10])0};
+static const float v9[10] = (float[10])0;
 
 struct tint_symbol {
   float4 value : SV_Target0;

test/var/initialization/function/array.wgsl.expected.hlsl

@@ -1,10 +1,6 @@
-struct tint_array_wrapper {
-  int arr[3];
-};
-
 [numthreads(1, 1, 1)]
 void main() {
-  tint_array_wrapper v = (tint_array_wrapper)0;
+  int v[3] = (int[3])0;
   v;
   return;
 }

test/var/initialization/private/array.wgsl.expected.hlsl

@@ -1,8 +1,4 @@
-struct tint_array_wrapper {
+static int v[3] = (int[3])0;
-  int arr[3];
-};
-
-static tint_array_wrapper v = (tint_array_wrapper)0;
 
 [numthreads(1, 1, 1)]
 void main() {

test/var/initialization/workgroup/array.wgsl.expected.hlsl

@@ -1,8 +1,4 @@
-struct tint_array_wrapper {
+groupshared int v[3];
-  int arr[3];
-};
-
-groupshared tint_array_wrapper v;
 
 struct tint_symbol_1 {
   uint local_invocation_index : SV_GroupIndex;
@@ -12,7 +8,7 @@ struct tint_symbol_1 {
 void main(tint_symbol_1 tint_symbol) {
   const uint local_invocation_index = tint_symbol.local_invocation_index;
   if ((local_invocation_index == 0u)) {
-    const tint_array_wrapper tint_symbol_2 = {(int[3])0};
+    const int tint_symbol_2[3] = (int[3])0;
     v = tint_symbol_2;
   }
   GroupMemoryBarrierWithGroupSync();