Add tests derived from VK-GL-CTS

This adds SPIR-V assembly and WGSL tests derived from VK-GL-CTS commit
571256871c2e2f03995373e1e4a02958d8cd8cf5. The following procedure was
followed:

- Those .amber files in VK-GL-CTS wholly owned by Google were
  identified

- All GLSL and SPIR-V shaders were extracted from the Amber files and
  converted into SPIR-V binaries

- The compact-ids pass of spirv-opt was applied to each binary

- Duplicate binaries were removed

- spirv-opt -O was used to obtain an optimized version of each remaining
  binary, with duplicates discarded

- Binaries that failed validation using spirv-val with target
  environment SPIR-V 1.3 were discarded

- Those binaries that tint could not successfully convert into WGSL were
  put aside for further investigation

- SPIR-V assembly versions of the remaining binaries are included in
  this CL

- test-runner with -generate-expected and -generate-skip was used to
  generate expected .spvasm, .msl, .hlsl and .wgsl outputs for these
  SPIR-V assembly tests

- Each successfully-generated .expected.wgsl is included in this CL
  again, as a WGLSL test

- test-runner with -generate-expected and -generate-skip was used again,
  to generate expected outputs for these WGSL tests

Change-Id: Ibe9baf2729cf97e0b633db9a426f53362a5de540
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/58842
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.spvasm

@@ -0,0 +1,100 @@
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %_GLF_color
+               OpExecutionMode %main OriginUpperLeft
+               OpSource ESSL 310
+               OpName %main "main"
+               OpName %i "i"
+               OpName %buf0 "buf0"
+               OpMemberName %buf0 0 "_GLF_uniform_int_values"
+               OpName %_ ""
+               OpName %v "v"
+               OpName %_GLF_color "_GLF_color"
+               OpDecorate %_arr_int_uint_3 ArrayStride 16
+               OpMemberDecorate %buf0 0 Offset 0
+               OpDecorate %buf0 Block
+               OpDecorate %_ DescriptorSet 0
+               OpDecorate %_ Binding 0
+               OpDecorate %_GLF_color Location 0
+       %void = OpTypeVoid
+         %10 = OpTypeFunction %void
+        %int = OpTypeInt 32 1
+%_ptr_Function_int = OpTypePointer Function %int
+       %uint = OpTypeInt 32 0
+     %uint_3 = OpConstant %uint 3
+%_arr_int_uint_3 = OpTypeArray %int %uint_3
+       %buf0 = OpTypeStruct %_arr_int_uint_3
+%_ptr_Uniform_buf0 = OpTypePointer Uniform %buf0
+          %_ = OpVariable %_ptr_Uniform_buf0 Uniform
+      %int_0 = OpConstant %int 0
+      %int_1 = OpConstant %int 1
+%_ptr_Uniform_int = OpTypePointer Uniform %int
+      %int_2 = OpConstant %int 2
+       %bool = OpTypeBool
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+   %uint_100 = OpConstant %uint 100
+     %uint_0 = OpConstant %uint 0
+%_ptr_Function_float = OpTypePointer Function %float
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+ %_GLF_color = OpVariable %_ptr_Output_v4float Output
+       %main = OpFunction %void None %10
+         %28 = OpLabel
+          %i = OpVariable %_ptr_Function_int Function
+          %v = OpVariable %_ptr_Function_v4float Function
+         %29 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_1
+         %30 = OpLoad %int %29
+               OpStore %i %30
+               OpBranch %31
+         %31 = OpLabel
+               OpLoopMerge %32 %33 None
+               OpBranch %34
+         %34 = OpLabel
+         %35 = OpLoad %int %i
+         %36 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_2
+         %37 = OpLoad %int %36
+         %38 = OpSLessThan %bool %35 %37
+               OpBranchConditional %38 %39 %32
+         %39 = OpLabel
+         %40 = OpExtInst %v4float %1 UnpackUnorm4x8 %uint_100
+               OpStore %v %40
+         %41 = OpAccessChain %_ptr_Function_float %v %uint_0
+         %42 = OpLoad %float %41
+         %43 = OpConvertFToS %int %42
+         %44 = OpLoad %int %i
+         %45 = OpSGreaterThan %bool %43 %44
+               OpSelectionMerge %46 None
+               OpBranchConditional %45 %47 %46
+         %47 = OpLabel
+         %48 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_1
+         %49 = OpLoad %int %48
+         %50 = OpConvertSToF %float %49
+         %51 = OpCompositeConstruct %v4float %50 %50 %50 %50
+               OpStore %_GLF_color %51
+               OpReturn
+         %46 = OpLabel
+               OpBranch %33
+         %33 = OpLabel
+         %52 = OpLoad %int %i
+         %53 = OpIAdd %int %52 %int_1
+               OpStore %i %53
+               OpBranch %31
+         %32 = OpLabel
+         %54 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_0
+         %55 = OpLoad %int %54
+         %56 = OpConvertSToF %float %55
+         %57 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_1
+         %58 = OpLoad %int %57
+         %59 = OpConvertSToF %float %58
+         %60 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_1
+         %61 = OpLoad %int %60
+         %62 = OpConvertSToF %float %61
+         %63 = OpAccessChain %_ptr_Uniform_int %_ %int_0 %int_0
+         %64 = OpLoad %int %63
+         %65 = OpConvertSToF %float %64
+         %66 = OpCompositeConstruct %v4float %56 %59 %62 %65
+               OpStore %_GLF_color %66
+               OpReturn
+               OpFunctionEnd

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.spvasm.expected.hlsl

@@ -0,0 +1,58 @@
+float4 tint_unpack4x8unorm(uint param_0) {
+  uint j = param_0;
+  uint4 i = uint4(j & 0xff, (j >> 8) & 0xff, (j >> 16) & 0xff, j >> 24);
+  return float4(i) / 255.0;
+}
+
+cbuffer cbuffer_x_6 : register(b0, space0) {
+  uint4 x_6[3];
+};
+static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);
+
+void main_1() {
+  int i = 0;
+  float4 v = float4(0.0f, 0.0f, 0.0f, 0.0f);
+  const int x_30 = asint(x_6[1].x);
+  i = x_30;
+  while (true) {
+    const int x_35 = i;
+    const int x_37 = asint(x_6[2].x);
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = tint_unpack4x8unorm(100u);
+    const float x_42 = v.x;
+    if ((int(x_42) > i)) {
+      const int x_49 = asint(x_6[1].x);
+      const float x_50 = float(x_49);
+      x_GLF_color = float4(x_50, x_50, x_50, x_50);
+      return;
+    }
+    {
+      i = (i + 1);
+    }
+  }
+  const uint scalar_offset = ((16u * uint(0))) / 4;
+  const int x_55 = asint(x_6[scalar_offset / 4][scalar_offset % 4]);
+  const int x_58 = asint(x_6[1].x);
+  const int x_61 = asint(x_6[1].x);
+  const uint scalar_offset_1 = ((16u * uint(0))) / 4;
+  const int x_64 = asint(x_6[scalar_offset_1 / 4][scalar_offset_1 % 4]);
+  x_GLF_color = float4(float(x_55), float(x_58), float(x_61), float(x_64));
+  return;
+}
+
+struct main_out {
+  float4 x_GLF_color_1;
+};
+struct tint_symbol {
+  float4 x_GLF_color_1 : SV_Target0;
+};
+
+tint_symbol main() {
+  main_1();
+  const main_out tint_symbol_1 = {x_GLF_color};
+  const tint_symbol tint_symbol_3 = {tint_symbol_1.x_GLF_color_1};
+  return tint_symbol_3;
+}

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.spvasm.expected.msl

@@ -0,0 +1,62 @@
+#include <metal_stdlib>
+
+using namespace metal;
+struct tint_padded_array_element {
+  /* 0x0000 */ int el;
+  /* 0x0004 */ int8_t tint_pad[12];
+};
+struct tint_array_wrapper {
+  /* 0x0000 */ tint_padded_array_element arr[3];
+};
+struct buf0 {
+  /* 0x0000 */ tint_array_wrapper x_GLF_uniform_int_values;
+};
+struct main_out {
+  float4 x_GLF_color_1;
+};
+struct tint_symbol_1 {
+  float4 x_GLF_color_1 [[color(0)]];
+};
+
+void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
+  int i = 0;
+  float4 v = 0.0f;
+  int const x_30 = x_6.x_GLF_uniform_int_values.arr[1].el;
+  i = x_30;
+  while (true) {
+    int const x_35 = i;
+    int const x_37 = x_6.x_GLF_uniform_int_values.arr[2].el;
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = unpack_unorm4x8_to_float(100u);
+    float const x_42 = v.x;
+    int const x_44 = i;
+    if ((int(x_42) > x_44)) {
+      int const x_49 = x_6.x_GLF_uniform_int_values.arr[1].el;
+      float const x_50 = float(x_49);
+      *(tint_symbol_4) = float4(x_50, x_50, x_50, x_50);
+      return;
+    }
+    {
+      int const x_52 = i;
+      i = (x_52 + 1);
+    }
+  }
+  int const x_55 = x_6.x_GLF_uniform_int_values.arr[0].el;
+  int const x_58 = x_6.x_GLF_uniform_int_values.arr[1].el;
+  int const x_61 = x_6.x_GLF_uniform_int_values.arr[1].el;
+  int const x_64 = x_6.x_GLF_uniform_int_values.arr[0].el;
+  *(tint_symbol_4) = float4(float(x_55), float(x_58), float(x_61), float(x_64));
+  return;
+}
+
+fragment tint_symbol_1 tint_symbol(constant buf0& x_6 [[buffer(0)]]) {
+  thread float4 tint_symbol_5 = 0.0f;
+  main_1(x_6, &(tint_symbol_5));
+  main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_5};
+  tint_symbol_1 const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
+  return tint_symbol_3;
+}
+

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.spvasm.expected.spvasm

@@ -0,0 +1,138 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 85
+; Schema: 0
+               OpCapability Shader
+         %43 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %tint_symbol_1
+               OpExecutionMode %main OriginUpperLeft
+               OpName %buf0 "buf0"
+               OpMemberName %buf0 0 "x_GLF_uniform_int_values"
+               OpName %x_6 "x_6"
+               OpName %x_GLF_color "x_GLF_color"
+               OpName %tint_symbol_1 "tint_symbol_1"
+               OpName %main_1 "main_1"
+               OpName %i "i"
+               OpName %v "v"
+               OpName %main_out "main_out"
+               OpMemberName %main_out 0 "x_GLF_color_1"
+               OpName %tint_symbol_2 "tint_symbol_2"
+               OpName %tint_symbol "tint_symbol"
+               OpName %main "main"
+               OpDecorate %buf0 Block
+               OpMemberDecorate %buf0 0 Offset 0
+               OpDecorate %_arr_int_uint_3 ArrayStride 16
+               OpDecorate %x_6 NonWritable
+               OpDecorate %x_6 DescriptorSet 0
+               OpDecorate %x_6 Binding 0
+               OpDecorate %tint_symbol_1 Location 0
+               OpMemberDecorate %main_out 0 Offset 0
+        %int = OpTypeInt 32 1
+       %uint = OpTypeInt 32 0
+     %uint_3 = OpConstant %uint 3
+%_arr_int_uint_3 = OpTypeArray %int %uint_3
+       %buf0 = OpTypeStruct %_arr_int_uint_3
+%_ptr_Uniform_buf0 = OpTypePointer Uniform %buf0
+        %x_6 = OpVariable %_ptr_Uniform_buf0 Uniform
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Private_v4float = OpTypePointer Private %v4float
+         %12 = OpConstantNull %v4float
+%x_GLF_color = OpVariable %_ptr_Private_v4float Private %12
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+%tint_symbol_1 = OpVariable %_ptr_Output_v4float Output %12
+       %void = OpTypeVoid
+         %15 = OpTypeFunction %void
+%_ptr_Function_int = OpTypePointer Function %int
+         %21 = OpConstantNull %int
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+     %uint_0 = OpConstant %uint 0
+      %int_1 = OpConstant %int 1
+%_ptr_Uniform_int = OpTypePointer Uniform %int
+      %int_2 = OpConstant %int 2
+       %bool = OpTypeBool
+   %uint_100 = OpConstant %uint 100
+%_ptr_Function_float = OpTypePointer Function %float
+      %int_0 = OpConstant %int 0
+   %main_out = OpTypeStruct %v4float
+         %73 = OpTypeFunction %void %main_out
+     %main_1 = OpFunction %void None %15
+         %18 = OpLabel
+          %i = OpVariable %_ptr_Function_int Function %21
+          %v = OpVariable %_ptr_Function_v4float Function %12
+         %27 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %28 = OpLoad %int %27
+               OpStore %i %28
+               OpBranch %29
+         %29 = OpLabel
+               OpLoopMerge %30 %31 None
+               OpBranch %32
+         %32 = OpLabel
+         %33 = OpLoad %int %i
+         %35 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_2
+         %36 = OpLoad %int %35
+         %37 = OpSLessThan %bool %33 %36
+               OpSelectionMerge %39 None
+               OpBranchConditional %37 %40 %41
+         %40 = OpLabel
+               OpBranch %39
+         %41 = OpLabel
+               OpBranch %30
+         %39 = OpLabel
+         %42 = OpExtInst %v4float %43 UnpackUnorm4x8 %uint_100
+               OpStore %v %42
+         %46 = OpAccessChain %_ptr_Function_float %v %uint_0
+         %47 = OpLoad %float %46
+         %48 = OpLoad %int %i
+         %49 = OpConvertFToS %int %47
+         %50 = OpSGreaterThan %bool %49 %48
+               OpSelectionMerge %51 None
+               OpBranchConditional %50 %52 %51
+         %52 = OpLabel
+         %53 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %54 = OpLoad %int %53
+         %55 = OpConvertSToF %float %54
+         %56 = OpCompositeConstruct %v4float %55 %55 %55 %55
+               OpStore %x_GLF_color %56
+               OpReturn
+         %51 = OpLabel
+               OpBranch %31
+         %31 = OpLabel
+         %57 = OpLoad %int %i
+         %58 = OpIAdd %int %57 %int_1
+               OpStore %i %58
+               OpBranch %29
+         %30 = OpLabel
+         %60 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_0
+         %61 = OpLoad %int %60
+         %62 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %63 = OpLoad %int %62
+         %64 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %65 = OpLoad %int %64
+         %66 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_0
+         %67 = OpLoad %int %66
+         %68 = OpConvertSToF %float %61
+         %69 = OpConvertSToF %float %63
+         %70 = OpConvertSToF %float %65
+         %71 = OpConvertSToF %float %67
+         %72 = OpCompositeConstruct %v4float %68 %69 %70 %71
+               OpStore %x_GLF_color %72
+               OpReturn
+               OpFunctionEnd
+%tint_symbol_2 = OpFunction %void None %73
+%tint_symbol = OpFunctionParameter %main_out
+         %77 = OpLabel
+         %78 = OpCompositeExtract %v4float %tint_symbol 0
+               OpStore %tint_symbol_1 %78
+               OpReturn
+               OpFunctionEnd
+       %main = OpFunction %void None %15
+         %80 = OpLabel
+         %81 = OpFunctionCall %void %main_1
+         %83 = OpLoad %v4float %x_GLF_color
+         %84 = OpCompositeConstruct %main_out %83
+         %82 = OpFunctionCall %void %tint_symbol_2 %84
+               OpReturn
+               OpFunctionEnd

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.spvasm.expected.wgsl

@@ -0,0 +1,56 @@
+type Arr = [[stride(16)]] array<i32, 3>;
+
+[[block]]
+struct buf0 {
+  x_GLF_uniform_int_values : Arr;
+};
+
+[[group(0), binding(0)]] var<uniform> x_6 : buf0;
+
+var<private> x_GLF_color : vec4<f32>;
+
+fn main_1() {
+  var i : i32;
+  var v : vec4<f32>;
+  let x_30 : i32 = x_6.x_GLF_uniform_int_values[1];
+  i = x_30;
+  loop {
+    let x_35 : i32 = i;
+    let x_37 : i32 = x_6.x_GLF_uniform_int_values[2];
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = unpack4x8unorm(100u);
+    let x_42 : f32 = v.x;
+    let x_44 : i32 = i;
+    if ((i32(x_42) > x_44)) {
+      let x_49 : i32 = x_6.x_GLF_uniform_int_values[1];
+      let x_50 : f32 = f32(x_49);
+      x_GLF_color = vec4<f32>(x_50, x_50, x_50, x_50);
+      return;
+    }
+
+    continuing {
+      let x_52 : i32 = i;
+      i = (x_52 + 1);
+    }
+  }
+  let x_55 : i32 = x_6.x_GLF_uniform_int_values[0];
+  let x_58 : i32 = x_6.x_GLF_uniform_int_values[1];
+  let x_61 : i32 = x_6.x_GLF_uniform_int_values[1];
+  let x_64 : i32 = x_6.x_GLF_uniform_int_values[0];
+  x_GLF_color = vec4<f32>(f32(x_55), f32(x_58), f32(x_61), f32(x_64));
+  return;
+}
+
+struct main_out {
+  [[location(0)]]
+  x_GLF_color_1 : vec4<f32>;
+};
+
+[[stage(fragment)]]
+fn main() -> main_out {
+  main_1();
+  return main_out(x_GLF_color);
+}

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.wgsl

@@ -0,0 +1,56 @@
+type Arr = [[stride(16)]] array<i32, 3>;
+
+[[block]]
+struct buf0 {
+  x_GLF_uniform_int_values : Arr;
+};
+
+[[group(0), binding(0)]] var<uniform> x_6 : buf0;
+
+var<private> x_GLF_color : vec4<f32>;
+
+fn main_1() {
+  var i : i32;
+  var v : vec4<f32>;
+  let x_30 : i32 = x_6.x_GLF_uniform_int_values[1];
+  i = x_30;
+  loop {
+    let x_35 : i32 = i;
+    let x_37 : i32 = x_6.x_GLF_uniform_int_values[2];
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = unpack4x8unorm(100u);
+    let x_42 : f32 = v.x;
+    let x_44 : i32 = i;
+    if ((i32(x_42) > x_44)) {
+      let x_49 : i32 = x_6.x_GLF_uniform_int_values[1];
+      let x_50 : f32 = f32(x_49);
+      x_GLF_color = vec4<f32>(x_50, x_50, x_50, x_50);
+      return;
+    }
+
+    continuing {
+      let x_52 : i32 = i;
+      i = (x_52 + 1);
+    }
+  }
+  let x_55 : i32 = x_6.x_GLF_uniform_int_values[0];
+  let x_58 : i32 = x_6.x_GLF_uniform_int_values[1];
+  let x_61 : i32 = x_6.x_GLF_uniform_int_values[1];
+  let x_64 : i32 = x_6.x_GLF_uniform_int_values[0];
+  x_GLF_color = vec4<f32>(f32(x_55), f32(x_58), f32(x_61), f32(x_64));
+  return;
+}
+
+struct main_out {
+  [[location(0)]]
+  x_GLF_color_1 : vec4<f32>;
+};
+
+[[stage(fragment)]]
+fn main() -> main_out {
+  main_1();
+  return main_out(x_GLF_color);
+}

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.wgsl.expected.hlsl

@@ -0,0 +1,58 @@
+float4 tint_unpack4x8unorm(uint param_0) {
+  uint j = param_0;
+  uint4 i = uint4(j & 0xff, (j >> 8) & 0xff, (j >> 16) & 0xff, j >> 24);
+  return float4(i) / 255.0;
+}
+
+cbuffer cbuffer_x_6 : register(b0, space0) {
+  uint4 x_6[3];
+};
+static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);
+
+void main_1() {
+  int i = 0;
+  float4 v = float4(0.0f, 0.0f, 0.0f, 0.0f);
+  const int x_30 = asint(x_6[1].x);
+  i = x_30;
+  while (true) {
+    const int x_35 = i;
+    const int x_37 = asint(x_6[2].x);
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = tint_unpack4x8unorm(100u);
+    const float x_42 = v.x;
+    if ((int(x_42) > i)) {
+      const int x_49 = asint(x_6[1].x);
+      const float x_50 = float(x_49);
+      x_GLF_color = float4(x_50, x_50, x_50, x_50);
+      return;
+    }
+    {
+      i = (i + 1);
+    }
+  }
+  const uint scalar_offset = ((16u * uint(0))) / 4;
+  const int x_55 = asint(x_6[scalar_offset / 4][scalar_offset % 4]);
+  const int x_58 = asint(x_6[1].x);
+  const int x_61 = asint(x_6[1].x);
+  const uint scalar_offset_1 = ((16u * uint(0))) / 4;
+  const int x_64 = asint(x_6[scalar_offset_1 / 4][scalar_offset_1 % 4]);
+  x_GLF_color = float4(float(x_55), float(x_58), float(x_61), float(x_64));
+  return;
+}
+
+struct main_out {
+  float4 x_GLF_color_1;
+};
+struct tint_symbol {
+  float4 x_GLF_color_1 : SV_Target0;
+};
+
+tint_symbol main() {
+  main_1();
+  const main_out tint_symbol_1 = {x_GLF_color};
+  const tint_symbol tint_symbol_3 = {tint_symbol_1.x_GLF_color_1};
+  return tint_symbol_3;
+}

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.wgsl.expected.msl

@@ -0,0 +1,62 @@
+#include <metal_stdlib>
+
+using namespace metal;
+struct tint_padded_array_element {
+  /* 0x0000 */ int el;
+  /* 0x0004 */ int8_t tint_pad[12];
+};
+struct tint_array_wrapper {
+  /* 0x0000 */ tint_padded_array_element arr[3];
+};
+struct buf0 {
+  /* 0x0000 */ tint_array_wrapper x_GLF_uniform_int_values;
+};
+struct main_out {
+  float4 x_GLF_color_1;
+};
+struct tint_symbol_1 {
+  float4 x_GLF_color_1 [[color(0)]];
+};
+
+void main_1(constant buf0& x_6, thread float4* const tint_symbol_4) {
+  int i = 0;
+  float4 v = 0.0f;
+  int const x_30 = x_6.x_GLF_uniform_int_values.arr[1].el;
+  i = x_30;
+  while (true) {
+    int const x_35 = i;
+    int const x_37 = x_6.x_GLF_uniform_int_values.arr[2].el;
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = unpack_unorm4x8_to_float(100u);
+    float const x_42 = v.x;
+    int const x_44 = i;
+    if ((int(x_42) > x_44)) {
+      int const x_49 = x_6.x_GLF_uniform_int_values.arr[1].el;
+      float const x_50 = float(x_49);
+      *(tint_symbol_4) = float4(x_50, x_50, x_50, x_50);
+      return;
+    }
+    {
+      int const x_52 = i;
+      i = (x_52 + 1);
+    }
+  }
+  int const x_55 = x_6.x_GLF_uniform_int_values.arr[0].el;
+  int const x_58 = x_6.x_GLF_uniform_int_values.arr[1].el;
+  int const x_61 = x_6.x_GLF_uniform_int_values.arr[1].el;
+  int const x_64 = x_6.x_GLF_uniform_int_values.arr[0].el;
+  *(tint_symbol_4) = float4(float(x_55), float(x_58), float(x_61), float(x_64));
+  return;
+}
+
+fragment tint_symbol_1 tint_symbol(constant buf0& x_6 [[buffer(0)]]) {
+  thread float4 tint_symbol_5 = 0.0f;
+  main_1(x_6, &(tint_symbol_5));
+  main_out const tint_symbol_2 = {.x_GLF_color_1=tint_symbol_5};
+  tint_symbol_1 const tint_symbol_3 = {.x_GLF_color_1=tint_symbol_2.x_GLF_color_1};
+  return tint_symbol_3;
+}
+

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.wgsl.expected.spvasm

@@ -0,0 +1,138 @@
+; SPIR-V
+; Version: 1.3
+; Generator: Google Tint Compiler; 0
+; Bound: 85
+; Schema: 0
+               OpCapability Shader
+         %43 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %tint_symbol_1
+               OpExecutionMode %main OriginUpperLeft
+               OpName %buf0 "buf0"
+               OpMemberName %buf0 0 "x_GLF_uniform_int_values"
+               OpName %x_6 "x_6"
+               OpName %x_GLF_color "x_GLF_color"
+               OpName %tint_symbol_1 "tint_symbol_1"
+               OpName %main_1 "main_1"
+               OpName %i "i"
+               OpName %v "v"
+               OpName %main_out "main_out"
+               OpMemberName %main_out 0 "x_GLF_color_1"
+               OpName %tint_symbol_2 "tint_symbol_2"
+               OpName %tint_symbol "tint_symbol"
+               OpName %main "main"
+               OpDecorate %buf0 Block
+               OpMemberDecorate %buf0 0 Offset 0
+               OpDecorate %_arr_int_uint_3 ArrayStride 16
+               OpDecorate %x_6 NonWritable
+               OpDecorate %x_6 DescriptorSet 0
+               OpDecorate %x_6 Binding 0
+               OpDecorate %tint_symbol_1 Location 0
+               OpMemberDecorate %main_out 0 Offset 0
+        %int = OpTypeInt 32 1
+       %uint = OpTypeInt 32 0
+     %uint_3 = OpConstant %uint 3
+%_arr_int_uint_3 = OpTypeArray %int %uint_3
+       %buf0 = OpTypeStruct %_arr_int_uint_3
+%_ptr_Uniform_buf0 = OpTypePointer Uniform %buf0
+        %x_6 = OpVariable %_ptr_Uniform_buf0 Uniform
+      %float = OpTypeFloat 32
+    %v4float = OpTypeVector %float 4
+%_ptr_Private_v4float = OpTypePointer Private %v4float
+         %12 = OpConstantNull %v4float
+%x_GLF_color = OpVariable %_ptr_Private_v4float Private %12
+%_ptr_Output_v4float = OpTypePointer Output %v4float
+%tint_symbol_1 = OpVariable %_ptr_Output_v4float Output %12
+       %void = OpTypeVoid
+         %15 = OpTypeFunction %void
+%_ptr_Function_int = OpTypePointer Function %int
+         %21 = OpConstantNull %int
+%_ptr_Function_v4float = OpTypePointer Function %v4float
+     %uint_0 = OpConstant %uint 0
+      %int_1 = OpConstant %int 1
+%_ptr_Uniform_int = OpTypePointer Uniform %int
+      %int_2 = OpConstant %int 2
+       %bool = OpTypeBool
+   %uint_100 = OpConstant %uint 100
+%_ptr_Function_float = OpTypePointer Function %float
+      %int_0 = OpConstant %int 0
+   %main_out = OpTypeStruct %v4float
+         %73 = OpTypeFunction %void %main_out
+     %main_1 = OpFunction %void None %15
+         %18 = OpLabel
+          %i = OpVariable %_ptr_Function_int Function %21
+          %v = OpVariable %_ptr_Function_v4float Function %12
+         %27 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %28 = OpLoad %int %27
+               OpStore %i %28
+               OpBranch %29
+         %29 = OpLabel
+               OpLoopMerge %30 %31 None
+               OpBranch %32
+         %32 = OpLabel
+         %33 = OpLoad %int %i
+         %35 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_2
+         %36 = OpLoad %int %35
+         %37 = OpSLessThan %bool %33 %36
+               OpSelectionMerge %39 None
+               OpBranchConditional %37 %40 %41
+         %40 = OpLabel
+               OpBranch %39
+         %41 = OpLabel
+               OpBranch %30
+         %39 = OpLabel
+         %42 = OpExtInst %v4float %43 UnpackUnorm4x8 %uint_100
+               OpStore %v %42
+         %46 = OpAccessChain %_ptr_Function_float %v %uint_0
+         %47 = OpLoad %float %46
+         %48 = OpLoad %int %i
+         %49 = OpConvertFToS %int %47
+         %50 = OpSGreaterThan %bool %49 %48
+               OpSelectionMerge %51 None
+               OpBranchConditional %50 %52 %51
+         %52 = OpLabel
+         %53 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %54 = OpLoad %int %53
+         %55 = OpConvertSToF %float %54
+         %56 = OpCompositeConstruct %v4float %55 %55 %55 %55
+               OpStore %x_GLF_color %56
+               OpReturn
+         %51 = OpLabel
+               OpBranch %31
+         %31 = OpLabel
+         %57 = OpLoad %int %i
+         %58 = OpIAdd %int %57 %int_1
+               OpStore %i %58
+               OpBranch %29
+         %30 = OpLabel
+         %60 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_0
+         %61 = OpLoad %int %60
+         %62 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %63 = OpLoad %int %62
+         %64 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_1
+         %65 = OpLoad %int %64
+         %66 = OpAccessChain %_ptr_Uniform_int %x_6 %uint_0 %int_0
+         %67 = OpLoad %int %66
+         %68 = OpConvertSToF %float %61
+         %69 = OpConvertSToF %float %63
+         %70 = OpConvertSToF %float %65
+         %71 = OpConvertSToF %float %67
+         %72 = OpCompositeConstruct %v4float %68 %69 %70 %71
+               OpStore %x_GLF_color %72
+               OpReturn
+               OpFunctionEnd
+%tint_symbol_2 = OpFunction %void None %73
+%tint_symbol = OpFunctionParameter %main_out
+         %77 = OpLabel
+         %78 = OpCompositeExtract %v4float %tint_symbol 0
+               OpStore %tint_symbol_1 %78
+               OpReturn
+               OpFunctionEnd
+       %main = OpFunction %void None %15
+         %80 = OpLabel
+         %81 = OpFunctionCall %void %main_1
+         %83 = OpLoad %v4float %x_GLF_color
+         %84 = OpCompositeConstruct %main_out %83
+         %82 = OpFunctionCall %void %tint_symbol_2 %84
+               OpReturn
+               OpFunctionEnd

test/vk-gl-cts/graphicsfuzz/cov-apfloat-unpackunorm-loop/0-opt.wgsl.expected.wgsl

@@ -0,0 +1,56 @@
+type Arr = [[stride(16)]] array<i32, 3>;
+
+[[block]]
+struct buf0 {
+  x_GLF_uniform_int_values : Arr;
+};
+
+[[group(0), binding(0)]] var<uniform> x_6 : buf0;
+
+var<private> x_GLF_color : vec4<f32>;
+
+fn main_1() {
+  var i : i32;
+  var v : vec4<f32>;
+  let x_30 : i32 = x_6.x_GLF_uniform_int_values[1];
+  i = x_30;
+  loop {
+    let x_35 : i32 = i;
+    let x_37 : i32 = x_6.x_GLF_uniform_int_values[2];
+    if ((x_35 < x_37)) {
+    } else {
+      break;
+    }
+    v = unpack4x8unorm(100u);
+    let x_42 : f32 = v.x;
+    let x_44 : i32 = i;
+    if ((i32(x_42) > x_44)) {
+      let x_49 : i32 = x_6.x_GLF_uniform_int_values[1];
+      let x_50 : f32 = f32(x_49);
+      x_GLF_color = vec4<f32>(x_50, x_50, x_50, x_50);
+      return;
+    }
+
+    continuing {
+      let x_52 : i32 = i;
+      i = (x_52 + 1);
+    }
+  }
+  let x_55 : i32 = x_6.x_GLF_uniform_int_values[0];
+  let x_58 : i32 = x_6.x_GLF_uniform_int_values[1];
+  let x_61 : i32 = x_6.x_GLF_uniform_int_values[1];
+  let x_64 : i32 = x_6.x_GLF_uniform_int_values[0];
+  x_GLF_color = vec4<f32>(f32(x_55), f32(x_58), f32(x_61), f32(x_64));
+  return;
+}
+
+struct main_out {
+  [[location(0)]]
+  x_GLF_color_1 : vec4<f32>;
+};
+
+[[stage(fragment)]]
+fn main() -> main_out {
+  main_1();
+  return main_out(x_GLF_color);
+}