Update `function/return_types.wgsl` to call the methods.

Updates the `test/tint/types/functions/return_types.wgsl` test to call
the return methods. This fixes an issue where if `SingleEntryPoint` is
run the functions being testing will all be stripped.

Bug: 364029038
Change-Id: Ie81977c46f4ab95e9b7ca4d5c8b5332feba66dd9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/205255
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: dan sinclair <dsinclair@chromium.org>
Reviewed-by: James Price <jrprice@google.com>
diff --git a/test/tint/types/functions/return_types.wgsl b/test/tint/types/functions/return_types.wgsl
index 06a055e..c0c3b35 100644
--- a/test/tint/types/functions/return_types.wgsl
+++ b/test/tint/types/functions/return_types.wgsl
@@ -15,4 +15,14 @@
 
 @compute @workgroup_size(1)
 fn main() {
+    let a = ret_bool();
+    let b = ret_i32();
+    let c = ret_u32();
+    let d = ret_f32();
+    let e = ret_v2i32();
+    let f = ret_v3u32();
+    let g = ret_v4f32();
+    let h = ret_m2x3();
+    let i = ret_arr();
+    let j = ret_struct();
 }
diff --git a/test/tint/types/functions/return_types.wgsl.expected.dxc.hlsl b/test/tint/types/functions/return_types.wgsl.expected.dxc.hlsl
index 8410487..7e6f869 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.dxc.hlsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.dxc.hlsl
@@ -47,5 +47,15 @@
 
 [numthreads(1, 1, 1)]
 void main() {
+  bool a = ret_bool();
+  int b = ret_i32();
+  uint c = ret_u32();
+  float d = ret_f32();
+  int2 e = ret_v2i32();
+  uint3 f = ret_v3u32();
+  float4 g = ret_v4f32();
+  float2x3 h = ret_m2x3();
+  float i[4] = ret_arr();
+  S j = ret_struct();
   return;
 }
diff --git a/test/tint/types/functions/return_types.wgsl.expected.fxc.hlsl b/test/tint/types/functions/return_types.wgsl.expected.fxc.hlsl
index 8410487..7e6f869 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.fxc.hlsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.fxc.hlsl
@@ -47,5 +47,15 @@
 
 [numthreads(1, 1, 1)]
 void main() {
+  bool a = ret_bool();
+  int b = ret_i32();
+  uint c = ret_u32();
+  float d = ret_f32();
+  int2 e = ret_v2i32();
+  uint3 f = ret_v3u32();
+  float4 g = ret_v4f32();
+  float2x3 h = ret_m2x3();
+  float i[4] = ret_arr();
+  S j = ret_struct();
   return;
 }
diff --git a/test/tint/types/functions/return_types.wgsl.expected.glsl b/test/tint/types/functions/return_types.wgsl.expected.glsl
index 966cd2a..ceb5d03 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.glsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.glsl
@@ -4,7 +4,59 @@
   float a;
 };
 
+bool ret_bool() {
+  return false;
+}
+
+int ret_i32() {
+  return 0;
+}
+
+uint ret_u32() {
+  return 0u;
+}
+
+float ret_f32() {
+  return 0.0f;
+}
+
+ivec2 ret_v2i32() {
+  return ivec2(0);
+}
+
+uvec3 ret_v3u32() {
+  return uvec3(0u);
+}
+
+vec4 ret_v4f32() {
+  return vec4(0.0f);
+}
+
+mat2x3 ret_m2x3() {
+  return mat2x3(vec3(0.0f), vec3(0.0f));
+}
+
+float[4] ret_arr() {
+  float tint_symbol_1[4] = float[4](0.0f, 0.0f, 0.0f, 0.0f);
+  return tint_symbol_1;
+}
+
+S ret_struct() {
+  S tint_symbol_2 = S(0.0f);
+  return tint_symbol_2;
+}
+
 void tint_symbol() {
+  bool a = ret_bool();
+  int b = ret_i32();
+  uint c = ret_u32();
+  float d = ret_f32();
+  ivec2 e = ret_v2i32();
+  uvec3 f = ret_v3u32();
+  vec4 g = ret_v4f32();
+  mat2x3 h = ret_m2x3();
+  float i[4] = ret_arr();
+  S j = ret_struct();
 }
 
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
diff --git a/test/tint/types/functions/return_types.wgsl.expected.ir.dxc.hlsl b/test/tint/types/functions/return_types.wgsl.expected.ir.dxc.hlsl
index 43cd472..313c5eb 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.ir.dxc.hlsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.ir.dxc.hlsl
@@ -48,5 +48,15 @@
 
 [numthreads(1, 1, 1)]
 void main() {
+  bool a = ret_bool();
+  int b = ret_i32();
+  uint c = ret_u32();
+  float d = ret_f32();
+  int2 e = ret_v2i32();
+  uint3 f = ret_v3u32();
+  float4 g = ret_v4f32();
+  float2x3 h = ret_m2x3();
+  float i[4] = ret_arr();
+  S j = ret_struct();
 }
 
diff --git a/test/tint/types/functions/return_types.wgsl.expected.ir.fxc.hlsl b/test/tint/types/functions/return_types.wgsl.expected.ir.fxc.hlsl
index 43cd472..313c5eb 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.ir.fxc.hlsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.ir.fxc.hlsl
@@ -48,5 +48,15 @@
 
 [numthreads(1, 1, 1)]
 void main() {
+  bool a = ret_bool();
+  int b = ret_i32();
+  uint c = ret_u32();
+  float d = ret_f32();
+  int2 e = ret_v2i32();
+  uint3 f = ret_v3u32();
+  float4 g = ret_v4f32();
+  float2x3 h = ret_m2x3();
+  float i[4] = ret_arr();
+  S j = ret_struct();
 }
 
diff --git a/test/tint/types/functions/return_types.wgsl.expected.ir.glsl b/test/tint/types/functions/return_types.wgsl.expected.ir.glsl
index f83bcf2..10175a7 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.ir.glsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.ir.glsl
@@ -1,5 +1,49 @@
 #version 310 es
 
+struct S {
+  float a;
+};
+
+bool ret_bool() {
+  return false;
+}
+int ret_i32() {
+  return 0;
+}
+uint ret_u32() {
+  return 0u;
+}
+float ret_f32() {
+  return 0.0f;
+}
+ivec2 ret_v2i32() {
+  return ivec2(0);
+}
+uvec3 ret_v3u32() {
+  return uvec3(0u);
+}
+vec4 ret_v4f32() {
+  return vec4(0.0f);
+}
+mat2x3 ret_m2x3() {
+  return mat2x3(vec3(0.0f), vec3(0.0f));
+}
+float[4] ret_arr() {
+  return float[4](0.0f, 0.0f, 0.0f, 0.0f);
+}
+S ret_struct() {
+  return S(0.0f);
+}
 layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 void main() {
+  bool a = ret_bool();
+  int b = ret_i32();
+  uint c = ret_u32();
+  float d = ret_f32();
+  ivec2 e = ret_v2i32();
+  uvec3 f = ret_v3u32();
+  vec4 g = ret_v4f32();
+  mat2x3 h = ret_m2x3();
+  float i[4] = ret_arr();
+  S j = ret_struct();
 }
diff --git a/test/tint/types/functions/return_types.wgsl.expected.ir.msl b/test/tint/types/functions/return_types.wgsl.expected.ir.msl
index 600eb73..3824328 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.ir.msl
+++ b/test/tint/types/functions/return_types.wgsl.expected.ir.msl
@@ -58,4 +58,14 @@
 }
 
 kernel void tint_symbol() {
+  bool const a = ret_bool();
+  int const b = ret_i32();
+  uint const c = ret_u32();
+  float const d = ret_f32();
+  int2 const e = ret_v2i32();
+  uint3 const f = ret_v3u32();
+  float4 const g = ret_v4f32();
+  float2x3 const h = ret_m2x3();
+  tint_array<float, 4> const i = ret_arr();
+  S const j = ret_struct();
 }
diff --git a/test/tint/types/functions/return_types.wgsl.expected.msl b/test/tint/types/functions/return_types.wgsl.expected.msl
index 2f9822c..ab19876 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.msl
+++ b/test/tint/types/functions/return_types.wgsl.expected.msl
@@ -61,6 +61,16 @@
 }
 
 kernel void tint_symbol() {
+  bool const a = ret_bool();
+  int const b = ret_i32();
+  uint const c = ret_u32();
+  float const d = ret_f32();
+  int2 const e = ret_v2i32();
+  uint3 const f = ret_v3u32();
+  float4 const g = ret_v4f32();
+  float2x3 const h = ret_m2x3();
+  tint_array<float, 4> const i = ret_arr();
+  S const j = ret_struct();
   return;
 }
 
diff --git a/test/tint/types/functions/return_types.wgsl.expected.spvasm b/test/tint/types/functions/return_types.wgsl.expected.spvasm
index ffdbb4f..4814a6a 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.spvasm
+++ b/test/tint/types/functions/return_types.wgsl.expected.spvasm
@@ -1,7 +1,7 @@
 ; SPIR-V
 ; Version: 1.3
 ; Generator: Google Tint Compiler; 1
-; Bound: 57
+; Bound: 67
 ; Schema: 0
                OpCapability Shader
                OpMemoryModel Logical GLSL450
@@ -20,6 +20,16 @@
                OpMemberName %S 0 "a"
                OpName %S "S"
                OpName %main "main"
+               OpName %a "a"
+               OpName %b "b"
+               OpName %c "c"
+               OpName %d "d"
+               OpName %e "e"
+               OpName %f "f"
+               OpName %g "g"
+               OpName %h "h"
+               OpName %i "i"
+               OpName %j "j"
                OpDecorate %_arr_float_uint_4 ArrayStride 4
                OpMemberDecorate %S 0 Offset 0
        %bool = OpTypeBool
@@ -98,5 +108,15 @@
                OpFunctionEnd
        %main = OpFunction %void None %55
          %56 = OpLabel
+          %a = OpFunctionCall %bool %ret_bool
+          %b = OpFunctionCall %int %ret_i32
+          %c = OpFunctionCall %uint %ret_u32
+          %d = OpFunctionCall %float %ret_f32
+          %e = OpFunctionCall %v2int %ret_v2i32
+          %f = OpFunctionCall %v3uint %ret_v3u32
+          %g = OpFunctionCall %v4float %ret_v4f32
+          %h = OpFunctionCall %mat2v3float %ret_m2x3
+          %i = OpFunctionCall %_arr_float_uint_4 %ret_arr
+          %j = OpFunctionCall %S %ret_struct
                OpReturn
                OpFunctionEnd
diff --git a/test/tint/types/functions/return_types.wgsl.expected.wgsl b/test/tint/types/functions/return_types.wgsl.expected.wgsl
index d339d33..c81e814 100644
--- a/test/tint/types/functions/return_types.wgsl.expected.wgsl
+++ b/test/tint/types/functions/return_types.wgsl.expected.wgsl
@@ -44,4 +44,14 @@
 
 @compute @workgroup_size(1)
 fn main() {
+  let a = ret_bool();
+  let b = ret_i32();
+  let c = ret_u32();
+  let d = ret_f32();
+  let e = ret_v2i32();
+  let f = ret_v3u32();
+  let g = ret_v4f32();
+  let h = ret_m2x3();
+  let i = ret_arr();
+  let j = ret_struct();
 }