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 */ int zero;
};
struct tint_array_wrapper {
int arr[2];
};
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_8, thread float4* const tint_symbol_4) {
int highSigned = 0;
uint highUnsigned = 0u;
int i = 0;
tint_array_wrapper data = {};
uint i_1 = 0u;
bool x_78 = false;
bool x_79_phi = false;
highSigned = 1;
highUnsigned = 2u;
i = 0;
while (true) {
int const x_42 = i;
int const x_43 = highSigned;
int const x_46 = x_8.zero;
if ((x_42 < (min(10, x_43) + x_46))) {
} else {
break;
}
int const x_50 = i;
data.arr[x_50] = 5;
{
int const x_52 = i;
i = (x_52 + 1);
}
}
i_1 = 1u;
while (true) {
uint const x_58 = i_1;
uint const x_59 = highUnsigned;
int const x_62 = x_8.zero;
if ((x_58 < (min(10u, x_59) + as_type<uint>(x_62)))) {
} else {
break;
}
uint const x_67 = i_1;
data.arr[x_67] = 6;
{
uint const x_69 = i_1;
i_1 = (x_69 + as_type<uint>(1));
}
}
int const x_72 = data.arr[0];
bool const x_73 = (x_72 == 5);
x_79_phi = x_73;
if (x_73) {
int const x_77 = data.arr[1];
x_78 = (x_77 == 6);
x_79_phi = x_78;
}
bool const x_79 = x_79_phi;
if (x_79) {
*(tint_symbol_4) = float4(1.0f, 0.0f, 0.0f, 1.0f);
} else {
*(tint_symbol_4) = float4(0.0f, 0.0f, 0.0f, 0.0f);
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_8 [[buffer(0)]]) {
thread float4 tint_symbol_5 = 0.0f;
main_1(x_8, &(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;
}