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 S {
int a;
int b;
int c;
};
struct buf0 {
/* 0x0000 */ int one;
};
struct tint_array_wrapper {
S 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_10, thread float4* const tint_symbol_4) {
int x_43 = 0;
bool x_44 = false;
tint_array_wrapper arr = {};
S param = {};
int param_1 = 0;
while (true) {
int x_50 = 0;
x_50 = x_10.one;
arr.arr[x_50].a = 2;
int const x_53 = arr.arr[1].a;
if ((x_53 < 1)) {
*(tint_symbol_4) = float4(0.0f, 0.0f, 0.0f, 0.0f);
x_44 = true;
break;
} else {
S const x_60 = arr.arr[1];
param = x_60;
param_1 = (2 + as_type<int>(x_50));
int const x_61 = param_1;
S const x_63 = param;
S x_64_1 = x_63;
x_64_1.a = x_61;
S const x_64 = x_64_1;
param = x_64;
S const x_65 = param;
if ((x_65.a == 2)) {
S const x_70 = param;
S x_71_1 = x_70;
x_71_1.a = 9;
S const x_71 = x_71_1;
param = x_71;
}
int const x_72 = param_1;
S const x_75 = param;
S x_76_1 = x_75;
x_76_1.b = (x_72 + 1);
S const x_76 = x_76_1;
param = x_76;
int const x_77 = param_1;
S const x_80 = param;
S x_81_1 = x_80;
x_81_1.c = (x_77 + 2);
S const x_81 = x_81_1;
param = x_81;
S const x_82 = param;
if ((x_82.b == 2)) {
S const x_87 = param;
S x_88_1 = x_87;
x_88_1.b = 7;
S const x_88 = x_88_1;
param = x_88;
}
S const x_89 = param;
S const x_91 = param;
S const x_94 = param;
x_43 = ((x_89.a + x_91.b) + x_94.c);
int const x_97 = x_43;
if ((x_97 == 12)) {
*(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);
}
}
x_44 = true;
break;
}
return;
}
fragment tint_symbol_1 tint_symbol(constant buf0& x_10 [[buffer(0)]]) {
thread float4 tint_symbol_5 = 0.0f;
main_1(x_10, &(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;
}
int func_struct_S_i1_i1_i11_i1_(thread S* const s, thread int* const x) {
int const x_103 = *(x);
(*(s)).a = x_103;
int const x_105 = (*(s)).a;
if ((x_105 == 2)) {
(*(s)).a = 9;
}
int const x_109 = *(x);
(*(s)).b = (x_109 + 1);
int const x_112 = *(x);
(*(s)).c = (x_112 + 2);
int const x_115 = (*(s)).b;
if ((x_115 == 2)) {
(*(s)).b = 7;
}
int const x_119 = (*(s)).a;
int const x_120 = (*(s)).b;
int const x_122 = (*(s)).c;
return ((x_119 + x_120) + x_122);
}