Alastair Donaldson f7e73d4ee3 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>
2021-07-23 13:10:12 +00:00

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#include <metal_stdlib>
using namespace metal;
struct buf0 {
/* 0x0000 */ packed_float2 injectionSwitch;
};
struct tint_array_wrapper {
int arr[10];
};
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 k = 0;
int GLF_dead0j = 0;
tint_array_wrapper donor_replacementGLF_dead0stack = {};
int donor_replacementGLF_dead0top = 0;
int x_54 = 0;
float4 matrix_b = 0.0f;
int b = 0;
k = 0;
while (true) {
int const x_12 = k;
if ((x_12 < 4)) {
} else {
break;
}
float const x_62 = x_6.injectionSwitch.y;
if ((0.0f > x_62)) {
GLF_dead0j = 1;
while (true) {
int const x_13 = donor_replacementGLF_dead0stack.arr[0];
if ((1 <= x_13)) {
} else {
break;
}
}
int const x_14 = donor_replacementGLF_dead0top;
int const x_15 = donor_replacementGLF_dead0top;
if (((x_14 >= 0) && (x_15 < 9))) {
int const x_16 = donor_replacementGLF_dead0top;
int const x_17 = (x_16 + 1);
donor_replacementGLF_dead0top = x_17;
x_54 = x_17;
} else {
x_54 = 0;
}
int const x_18 = x_54;
donor_replacementGLF_dead0stack.arr[x_18] = 1;
}
matrix_b = float4(0.0f, 0.0f, 0.0f, 0.0f);
b = 3;
while (true) {
int const x_19 = b;
if ((x_19 >= 0)) {
} else {
break;
}
int const x_20 = b;
int const x_21 = b;
float const x_87 = matrix_b[x_21];
matrix_b[x_20] = (x_87 - 1.0f);
{
int const x_22 = b;
b = (x_22 - 1);
}
}
{
int const x_24 = k;
k = (x_24 + 1);
}
}
*(tint_symbol_4) = float4(1.0f, 0.0f, 0.0f, 1.0f);
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;
}