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spirv-reader: Declare multiuse constant composites 

When an OpConstantComposite result is used by multiple instructions,
declare it as a module-scope `const` instead of inlining the constant
at each use site. This fixes an issue whereby the spirv-reader was
massively inflating the size of the WGSL it produces, which was caught
via an OOM fuzzer bug.

Bug: oss-fuzz:57795
Change-Id: Iac8c6a2147a7e2ebfddbaacae9fcb1dbe0b59e9d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/128881
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: David Neto <dneto@google.com>
This commit is contained in:
James Price 2023-04-25 19:16:25 +00:00 committed by Dawn LUCI CQ
parent a41693babb
commit ae39e6d628
17 changed files with 400 additions and 109 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/tint/reader/spirv/function_arithmetic_test.cc
View File

@ -30,6 +30,11 @@ std::string Preamble() {
OpEntryPoint Fragment %100 "main"
OpExecutionMode %100 OriginUpperLeft
OpName %v2float_50_60 "v2float_50_60"
OpName %v2float_60_50 "v2float_60_50"
OpName %v3float_50_60_70 "v3float_50_60_70"
OpName %v3float_60_70_50 "v3float_60_70_50"
%void = OpTypeVoid
%voidfn = OpTypeFunction %void
@ -94,10 +99,10 @@ std::string AstFor(std::string assembly) {
return "bitcast<vec2<u32>>(vec2<i32>(40i, 30i))";
}
if (assembly == "v2float_50_60") {
return "vec2<f32>(50.0f, 60.0f)";
return "v2float_50_60";
}
if (assembly == "v2float_60_50") {
return "vec2<f32>(60.0f, 50.0f)";
return "v2float_60_50";
}
return "bad case";
}
@ -271,7 +276,7 @@ TEST_F(SpvUnaryArithTest, FNegate_Vector) {
EXPECT_TRUE(fe.EmitBody()) << p->error();
auto ast_body = fe.ast_body();
EXPECT_THAT(test::ToString(p->program(), ast_body),
HasSubstr("let x_1 : vec2<f32> = -(vec2<f32>(50.0f, 60.0f));"));
HasSubstr("let x_1 : vec2<f32> = -(v2float_50_60);"));
}
struct BinaryData {
@ -704,10 +709,9 @@ TEST_F(SpvBinaryArithTestBasic, FMod_Vector) {
auto fe = p->function_emitter(100);
EXPECT_TRUE(fe.EmitBody()) << p->error();
auto ast_body = fe.ast_body();
EXPECT_THAT(
test::ToString(p->program(), ast_body),
HasSubstr(
R"(let x_1 : vec2<f32> = (vec2<f32>(50.0f, 60.0f) - (vec2<f32>(60.0f, 50.0f) * floor((vec2<f32>(50.0f, 60.0f) / vec2<f32>(60.0f, 50.0f)))));)"));
EXPECT_THAT(test::ToString(p->program(), ast_body),
HasSubstr("let x_1 : vec2<f32> = (v2float_50_60 - (v2float_60_50 * "
"floor((v2float_50_60 / v2float_60_50))));"));
}
TEST_F(SpvBinaryArithTestBasic, VectorTimesScalar) {

26
src/tint/reader/spirv/function_bit_test.cc
View File

@ -877,8 +877,7 @@ TEST_F(SpvUnaryBitTest, InsertBits_IntVector) {
auto body = test::ToString(p->program(), ast_body);
EXPECT_THAT(
body,
HasSubstr(
R"(let x_1 : vec2<i32> = insertBits(vec2<i32>(30i, 40i), vec2<i32>(40i, 30i), 10u, 20u);)"))
HasSubstr(R"(let x_1 : vec2<i32> = insertBits(x_28, vec2<i32>(40i, 30i), 10u, 20u);)"))
<< body;
}
@ -897,7 +896,7 @@ TEST_F(SpvUnaryBitTest, InsertBits_IntVector_SignedOffsetAndCount) {
EXPECT_THAT(
body,
HasSubstr(
R"(let x_1 : vec2<i32> = insertBits(vec2<i32>(30i, 40i), vec2<i32>(40i, 30i), u32(10i), u32(20i));)"))
R"(let x_1 : vec2<i32> = insertBits(x_28, vec2<i32>(40i, 30i), u32(10i), u32(20i));)"))
<< body;
}
@ -946,8 +945,7 @@ TEST_F(SpvUnaryBitTest, InsertBits_UintVector) {
auto body = test::ToString(p->program(), ast_body);
EXPECT_THAT(
body,
HasSubstr(
R"(let x_1 : vec2<u32> = insertBits(vec2<u32>(10u, 20u), vec2<u32>(20u, 10u), 10u, 20u);)"))
HasSubstr(R"(let x_1 : vec2<u32> = insertBits(x_26, vec2<u32>(20u, 10u), 10u, 20u);)"))
<< body;
}
@ -966,7 +964,7 @@ TEST_F(SpvUnaryBitTest, InsertBits_UintVector_SignedOffsetAndCount) {
EXPECT_THAT(
body,
HasSubstr(
R"(let x_1 : vec2<u32> = insertBits(vec2<u32>(10u, 20u), vec2<u32>(20u, 10u), u32(10i), u32(20i));)"))
R"(let x_1 : vec2<u32> = insertBits(x_26, vec2<u32>(20u, 10u), u32(10i), u32(20i));)"))
<< body;
}
@ -1012,9 +1010,7 @@ TEST_F(SpvUnaryBitTest, ExtractBits_IntVector) {
EXPECT_TRUE(fe.EmitBody()) << p->error();
auto ast_body = fe.ast_body();
auto body = test::ToString(p->program(), ast_body);
EXPECT_THAT(body,
HasSubstr("let x_1 : vec2<i32> = extractBits(vec2<i32>(30i, 40i), 10u, 20u);"))
<< body;
EXPECT_THAT(body, HasSubstr("let x_1 : vec2<i32> = extractBits(x_28, 10u, 20u);")) << body;
}
TEST_F(SpvUnaryBitTest, ExtractBits_IntVector_SignedOffsetAndCount) {
@ -1029,9 +1025,7 @@ TEST_F(SpvUnaryBitTest, ExtractBits_IntVector_SignedOffsetAndCount) {
EXPECT_TRUE(fe.EmitBody()) << p->error();
auto ast_body = fe.ast_body();
auto body = test::ToString(p->program(), ast_body);
EXPECT_THAT(
body,
HasSubstr("let x_1 : vec2<i32> = extractBits(vec2<i32>(30i, 40i), u32(10i), u32(20i));"))
EXPECT_THAT(body, HasSubstr("let x_1 : vec2<i32> = extractBits(x_28, u32(10i), u32(20i));"))
<< body;
}
@ -1077,9 +1071,7 @@ TEST_F(SpvUnaryBitTest, ExtractBits_UintVector) {
EXPECT_TRUE(fe.EmitBody()) << p->error();
auto ast_body = fe.ast_body();
auto body = test::ToString(p->program(), ast_body);
EXPECT_THAT(body,
HasSubstr("let x_1 : vec2<u32> = extractBits(vec2<u32>(10u, 20u), 10u, 20u);"))
<< body;
EXPECT_THAT(body, HasSubstr("let x_1 : vec2<u32> = extractBits(x_26, 10u, 20u);")) << body;
}
TEST_F(SpvUnaryBitTest, ExtractBits_UintVector_SignedOffsetAndCount) {
@ -1094,9 +1086,7 @@ TEST_F(SpvUnaryBitTest, ExtractBits_UintVector_SignedOffsetAndCount) {
EXPECT_TRUE(fe.EmitBody()) << p->error();
auto ast_body = fe.ast_body();
auto body = test::ToString(p->program(), ast_body);
EXPECT_THAT(
body,
HasSubstr("let x_1 : vec2<u32> = extractBits(vec2<u32>(10u, 20u), u32(10i), u32(20i));"))
EXPECT_THAT(body, HasSubstr("let x_1 : vec2<u32> = extractBits(x_26, u32(10i), u32(20i));"))
<< body;
}

23
src/tint/reader/spirv/parser_impl.cc
View File

@ -1916,6 +1916,13 @@ TypedExpression ParserImpl::MakeConstantExpression(uint32_t id) {
case spv::Op::OpConstantComposite: {
// Handle vector, matrix, array, and struct
auto itr = declared_constant_composites_.find(id);
if (itr != declared_constant_composites_.end()) {
// We've already declared this constant value as a module-scope const, so just
// reference that identifier.
return {original_ast_type, builder_.Expr(itr->second)};
}
// Generate a composite from explicit components.
ExpressionList ast_components;
if (!inst->WhileEachInId([&](const uint32_t* id_ref) -> bool {
@ -1930,8 +1937,20 @@ TypedExpression ParserImpl::MakeConstantExpression(uint32_t id) {
// We've already emitted a diagnostic.
return {};
}
return {original_ast_type, builder_.Call(source, original_ast_type->Build(builder_),
std::move(ast_components))};
auto* expr = builder_.Call(source, original_ast_type->Build(builder_),
std::move(ast_components));
if (def_use_mgr_->NumUses(id) == 1) {
// The constant is only used once, so just inline its use.
return {original_ast_type, expr};
}
// Create a module-scope const declaration for the constant.
auto name = namer_.Name(id);
auto* decl = builder_.GlobalConst(name, expr);
declared_constant_composites_.insert({id, decl->name->symbol});
return {original_ast_type, builder_.Expr(name)};
}
default:
break;

3
src/tint/reader/spirv/parser_impl.h
View File

@ -880,6 +880,9 @@ class ParserImpl : Reader {
// The ast::Struct type names with only read-only members.
std::unordered_set<Symbol> read_only_struct_types_;
// Maps from OpConstantComposite IDs to identifiers of module-scope const declarations.
std::unordered_map<uint32_t, Symbol> declared_constant_composites_;
// The IDs of scalar spec constants
std::unordered_set<uint32_t> scalar_spec_constants_;

110
src/tint/reader/spirv/parser_impl_handle_test.cc
View File

@ -1504,7 +1504,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
"textureGather(1i, x_20, x_10, coords12, vec2<i32>(3i, 4i))"},
"textureGather(1i, x_20, x_10, coords12, offsets2d)"},
// OpImageGather 2D ConstOffset unsigned
ImageAccessCase{"%float 2D 0 0 0 1 Unknown",
"%result = OpImageGather "
@ -1514,7 +1514,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
"textureGather(1i, x_20, x_10, coords12, "
"vec2<i32>(vec2<u32>(3u, 4u)))"},
"vec2<i32>(u_offsets2d))"},
// OpImageGather 2D Array
ImageAccessCase{"%float 2D 0 1 0 1 Unknown",
"%result = OpImageGather "
@ -1532,7 +1532,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
"textureGather(1i, x_20, x_10, coords123.xy, "
"i32(round(coords123.z)), vec2<i32>(3i, 4i))"},
"i32(round(coords123.z)), offsets2d)"},
// OpImageGather 2D Array ConstOffset unsigned
ImageAccessCase{"%float 2D 0 1 0 1 Unknown",
"%result = OpImageGather "
@ -1543,7 +1543,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
"textureGather(1i, x_20, x_10, coords123.xy, "
"i32(round(coords123.z)), "
"vec2<i32>(vec2<u32>(3u, 4u)))"},
"vec2<i32>(u_offsets2d))"},
// OpImageGather Cube
ImageAccessCase{"%float Cube 0 0 0 1 Unknown",
"%result = OpImageGather "
@ -1576,7 +1576,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_depth_2d;)",
"textureGather(x_20, x_10, coords12, vec2<i32>(3i, 4i))"},
"textureGather(x_20, x_10, coords12, offsets2d)"},
// OpImageGather 2DDepth ConstOffset unsigned
ImageAccessCase{"%float 2D 1 0 0 1 Unknown",
"%result = OpImageGather "
@ -1586,7 +1586,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d;)",
"textureGather(x_20, x_10, coords12, "
"vec2<i32>(vec2<u32>(3u, 4u)))"},
"vec2<i32>(u_offsets2d))"},
// OpImageGather 2DDepth Array
ImageAccessCase{"%float 2D 1 1 0 1 Unknown",
"%result = OpImageGather "
@ -1604,7 +1604,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d_array;)",
"textureGather(x_20, x_10, coords123.xy, "
"i32(round(coords123.z)), vec2<i32>(3i, 4i))"},
"i32(round(coords123.z)), offsets2d)"},
// OpImageGather 2DDepth Array ConstOffset unsigned
ImageAccessCase{"%float 2D 1 1 0 1 Unknown",
"%result = OpImageGather "
@ -1615,7 +1615,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d_array;)",
"textureGather(x_20, x_10, coords123.xy, "
"i32(round(coords123.z)), "
"vec2<i32>(vec2<u32>(3u, 4u)))"},
"vec2<i32>(u_offsets2d))"},
// OpImageGather DepthCube
ImageAccessCase{"%float Cube 1 0 0 1 Unknown",
"%result = OpImageGather "
@ -1654,7 +1654,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d;)",
"textureGatherCompare(x_20, x_10, coords12, 0.20000000298023223877f, "
"vec2<i32>(3i, 4i))"},
"offsets2d)"},
// OpImageDrefGather 2DDepth ConstOffset unsigned
ImageAccessCase{"%float 2D 1 0 0 1 Unknown",
"%result = OpImageDrefGather "
@ -1664,7 +1664,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d;)",
"textureGatherCompare(x_20, x_10, coords12, 0.20000000298023223877f, "
"vec2<i32>(vec2<u32>(3u, 4u)))"},
"vec2<i32>(u_offsets2d))"},
// OpImageDrefGather 2DDepth Array
ImageAccessCase{"%float 2D 1 1 0 1 Unknown",
"%result = OpImageDrefGather "
@ -1682,7 +1682,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d_array;)",
"textureGatherCompare(x_20, x_10, coords123.xy, "
"i32(round(coords123.z)), 0.20000000298023223877f, vec2<i32>(3i, 4i))"},
"i32(round(coords123.z)), 0.20000000298023223877f, offsets2d)"},
// OpImageDrefGather 2DDepth Array ConstOffset unsigned
ImageAccessCase{"%float 2D 1 1 0 1 Unknown",
"%result = OpImageDrefGather "
@ -1693,7 +1693,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d_array;)",
"textureGatherCompare(x_20, x_10, coords123.xy, "
"i32(round(coords123.z)), 0.20000000298023223877f, "
"vec2<i32>(vec2<u32>(3u, 4u)))"},
"vec2<i32>(u_offsets2d))"},
// OpImageDrefGather DepthCube
ImageAccessCase{"%float Cube 1 0 0 1 Unknown",
"%result = OpImageDrefGather "
@ -1742,7 +1742,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
"textureSample(x_20, x_10, coords12, vec2<i32>(3i, 4i))"},
"textureSample(x_20, x_10, coords12, offsets2d)"},
// OpImageSampleImplicitLod arrayed with ConstOffset
ImageAccessCase{
@ -1752,7 +1752,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
R"(textureSample(x_20, x_10, coords123.xy, i32(round(coords123.z)), vec2<i32>(3i, 4i)))"},
R"(textureSample(x_20, x_10, coords123.xy, i32(round(coords123.z)), offsets2d))"},
// OpImageSampleImplicitLod with Bias
ImageAccessCase{"%float 2D 0 0 0 1 Unknown",
@ -1781,19 +1781,18 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleBias(x_20, x_10, coords12, 7.0f, vec2<i32>(3i, 4i))"},
R"(textureSampleBias(x_20, x_10, coords12, 7.0f, offsets2d)"},
// OpImageSampleImplicitLod with Bias and unsigned ConstOffset
// Convert ConstOffset to signed
ImageAccessCase{
"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleImplicitLod "
"%v4float %sampled_image %coords12 Bias|ConstOffset "
"%float_7 %u_offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
ImageAccessCase{"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleImplicitLod "
"%v4float %sampled_image %coords12 Bias|ConstOffset "
"%float_7 %u_offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleBias(x_20, x_10, coords12, 7.0f, vec2<i32>(vec2<u32>(3u, 4u)))"},
R"(textureSampleBias(x_20, x_10, coords12, 7.0f, vec2<i32>(u_offsets2d))"},
// OpImageSampleImplicitLod arrayed with Bias
ImageAccessCase{
"%float 2D 0 1 0 1 Unknown",
@ -1803,7 +1802,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
R"(textureSampleBias(x_20, x_10, coords123.xy, i32(round(coords123.z)), 7.0f, vec2<i32>(3i, 4i))"}));
R"(textureSampleBias(x_20, x_10, coords123.xy, i32(round(coords123.z)), 7.0f, offsets2d)"}));
INSTANTIATE_TEST_SUITE_P(
// This test shows the use of a sampled image used with both regular
@ -1863,7 +1862,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d;
)",
R"(textureSampleCompare(x_20, x_10, coords12, 0.20000000298023223877f, vec2<i32>(3i, 4i)))"},
R"(textureSampleCompare(x_20, x_10, coords12, 0.20000000298023223877f, offsets2d))"},
// ImageSampleDrefImplicitLod arrayed with ConstOffset
ImageAccessCase{
"%float 2D 0 1 0 1 Unknown",
@ -1872,7 +1871,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler_comparison;
@group(2) @binding(1) var x_20 : texture_depth_2d_array;)",
R"(textureSampleCompare(x_20, x_10, coords123.xy, i32(round(coords123.z)), 0.20000000298023223877f, vec2<i32>(3i, 4i)))"}));
R"(textureSampleCompare(x_20, x_10, coords123.xy, i32(round(coords123.z)), 0.20000000298023223877f, offsets2d))"}));
INSTANTIATE_TEST_SUITE_P(
ImageSampleDrefExplicitLod,
@ -1909,7 +1908,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d;
)",
R"(textureSampleCompareLevel(x_20, x_10, coords12, 0.20000000298023223877f, vec2<i32>(3i, 4i)))"},
R"(textureSampleCompareLevel(x_20, x_10, coords12, 0.20000000298023223877f, offsets2d))"},
// 2D array, ConstOffset
ImageAccessCase{
"%float 2D 1 1 0 1 Unknown",
@ -1919,7 +1918,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler_comparison;
@group(2) @binding(1) var x_20 : texture_depth_2d_array;)",
R"(textureSampleCompareLevel(x_20, x_10, coords123.xy, i32(round(coords123.z)), 0.20000000298023223877f, vec2<i32>(3i, 4i)))"},
R"(textureSampleCompareLevel(x_20, x_10, coords123.xy, i32(round(coords123.z)), 0.20000000298023223877f, offsets2d))"},
// Cube
ImageAccessCase{
"%float Cube 1 0 0 1 Unknown",
@ -1971,19 +1970,18 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleLevel(x_20, x_10, coords12, 0.0f, vec2<i32>(3i, 4i)))"},
R"(textureSampleLevel(x_20, x_10, coords12, 0.0f, offsets2d))"},
// OpImageSampleExplicitLod - using Lod and unsigned ConstOffset
// Convert the ConstOffset operand to signed
ImageAccessCase{
"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleExplicitLod "
"%v4float %sampled_image %coords12 Lod|ConstOffset "
"%float_null %u_offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
ImageAccessCase{"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleExplicitLod "
"%v4float %sampled_image %coords12 Lod|ConstOffset "
"%float_null %u_offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleLevel(x_20, x_10, coords12, 0.0f, vec2<i32>(vec2<u32>(3u, 4u)))"},
R"(textureSampleLevel(x_20, x_10, coords12, 0.0f, vec2<i32>(u_offsets2d))"},
// OpImageSampleExplicitLod arrayed - using Lod and ConstOffset
ImageAccessCase{
@ -1994,7 +1992,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
R"(textureSampleLevel(x_20, x_10, coords123.xy, i32(round(coords123.z)), 0.0f, vec2<i32>(3i, 4i)))"}));
R"(textureSampleLevel(x_20, x_10, coords123.xy, i32(round(coords123.z)), 0.0f, offsets2d))"}));
INSTANTIATE_TEST_SUITE_P(
ImageSampleExplicitLod_UsingGrad,
@ -2021,15 +2019,14 @@ INSTANTIATE_TEST_SUITE_P(
R"(textureSampleGrad(x_20, x_10, coords123.xy, i32(round(coords123.z)), vf12, vf21))"},
// OpImageSampleExplicitLod - using Grad and ConstOffset
ImageAccessCase{
"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleExplicitLod "
"%v4float %sampled_image %coords12 Grad|ConstOffset "
"%vf12 %vf21 %offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
ImageAccessCase{"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleExplicitLod "
"%v4float %sampled_image %coords12 Grad|ConstOffset "
"%vf12 %vf21 %offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleGrad(x_20, x_10, coords12, vf12, vf21, vec2<i32>(3i, 4i)))"},
R"(textureSampleGrad(x_20, x_10, coords12, vf12, vf21, offsets2d))"},
// OpImageSampleExplicitLod - using Grad and unsigned ConstOffset
ImageAccessCase{
@ -2040,7 +2037,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleGrad(x_20, x_10, coords12, vf12, vf21, vec2<i32>(vec2<u32>(3u, 4u)))"},
R"(textureSampleGrad(x_20, x_10, coords12, vf12, vf21, vec2<i32>(u_offsets2d))"},
// OpImageSampleExplicitLod arrayed - using Grad and ConstOffset
ImageAccessCase{
@ -2051,7 +2048,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
R"(textureSampleGrad(x_20, x_10, coords123.xy, i32(round(coords123.z)), vf12, vf21, vec2<i32>(3i, 4i)))"},
R"(textureSampleGrad(x_20, x_10, coords123.xy, i32(round(coords123.z)), vf12, vf21, offsets2d))"},
// OpImageSampleExplicitLod arrayed - using Grad and unsigned
// ConstOffset
@ -2063,7 +2060,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d_array<f32>;)",
R"(textureSampleGrad(x_20, x_10, coords123.xy, i32(round(coords123.z)), vf12, vf21, vec2<i32>(vec2<u32>(3u, 4u))))"}));
R"(textureSampleGrad(x_20, x_10, coords123.xy, i32(round(coords123.z)), vf12, vf21, vec2<i32>(u_offsets2d)))"}));
// Test crbug.com/378:
// In WGSL, sampling from depth texture with explicit level of detail
@ -2153,14 +2150,13 @@ INSTANTIATE_TEST_SUITE_P(
// OpImageSampleProjImplicitLod 2D with ConstOffset
// (Don't need to test with 1D or 3D, as the hard part was the splatted
// division.) This case tests handling of the ConstOffset
ImageAccessCase{
"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleProjImplicitLod "
"%v4float %sampled_image %coords123 ConstOffset %offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
ImageAccessCase{"%float 2D 0 0 0 1 Unknown",
"%result = OpImageSampleProjImplicitLod "
"%v4float %sampled_image %coords123 ConstOffset %offsets2d",
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSample(x_20, x_10, (coords123.xy / coords123.z), vec2<i32>(3i, 4i)))"}));
R"(textureSample(x_20, x_10, (coords123.xy / coords123.z), offsets2d))"}));
INSTANTIATE_TEST_SUITE_P(
ImageSampleProjImplicitLod_Bias,
@ -2186,7 +2182,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleBias(x_20, x_10, (coords123.xy / coords123.z), 7.0f, vec2<i32>(3i, 4i)))"},
R"(textureSampleBias(x_20, x_10, (coords123.xy / coords123.z), 7.0f, offsets2d))"},
// OpImageSampleProjImplicitLod with Bias and unsigned ConstOffset
// Convert ConstOffset to signed
@ -2198,7 +2194,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleBias(x_20, x_10, (coords123.xy / coords123.z), 7.0f, vec2<i32>(vec2<u32>(3u, 4u))))"}));
R"(textureSampleBias(x_20, x_10, (coords123.xy / coords123.z), 7.0f, vec2<i32>(u_offsets2d)))"}));
INSTANTIATE_TEST_SUITE_P(
ImageSampleProjExplicitLod_Lod,
@ -2221,7 +2217,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleLevel(x_20, x_10, (coords123.xy / coords123.z), f1, vec2<i32>(3i, 4i)))"}));
R"(textureSampleLevel(x_20, x_10, (coords123.xy / coords123.z), f1, offsets2d))"}));
INSTANTIATE_TEST_SUITE_P(
ImageSampleProjExplicitLod_Grad,
@ -2246,7 +2242,7 @@ INSTANTIATE_TEST_SUITE_P(
R"(@group(0) @binding(0) var x_10 : sampler;
@group(2) @binding(1) var x_20 : texture_2d<f32>;)",
R"(textureSampleGrad(x_20, x_10, (coords123.xy / coords123.z), vf12, vf21, vec2<i32>(3i, 4i)))"}));
R"(textureSampleGrad(x_20, x_10, (coords123.xy / coords123.z), vf12, vf21, offsets2d))"}));
INSTANTIATE_TEST_SUITE_P(
// Ordinary (non-comparison) sampling on a depth texture.
@ -2291,7 +2287,7 @@ INSTANTIATE_TEST_SUITE_P(
@group(2) @binding(1) var x_20 : texture_depth_2d;
)",
R"(textureSampleCompare(x_20, x_10, (coords123.xy / coords123.z), f1, vec2<i32>(3i, 4i)))"}));
R"(textureSampleCompare(x_20, x_10, (coords123.xy / coords123.z), f1, offsets2d))"}));
INSTANTIATE_TEST_SUITE_P(
DISABLED_ImageSampleProjDrefExplicitLod_Lod,

8
test/tint/access/let/vector.spvasm.expected.wgsl
View File

@ -1,7 +1,9 @@
const x_10 = vec3<f32>(1.0f, 2.0f, 3.0f);
fn main_1() {
let x_11 : f32 = vec3<f32>(1.0f, 2.0f, 3.0f).y;
let x_13 : vec2<f32> = vec2<f32>(vec3<f32>(1.0f, 2.0f, 3.0f).x, vec3<f32>(1.0f, 2.0f, 3.0f).z);
let x_14 : vec3<f32> = vec3<f32>(vec3<f32>(1.0f, 2.0f, 3.0f).x, vec3<f32>(1.0f, 2.0f, 3.0f).z, vec3<f32>(1.0f, 2.0f, 3.0f).y);
let x_11 : f32 = x_10.y;
let x_13 : vec2<f32> = vec2<f32>(x_10.x, x_10.z);
let x_14 : vec3<f32> = vec3<f32>(x_10.x, x_10.z, x_10.y);
return;
}

BIN
test/tint/bug/oss-fuzz/57795.spv Normal file
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Binary file not shown.

18
test/tint/bug/oss-fuzz/57795.spv.expected.dxc.hlsl Normal file
View File

@ -0,0 +1,18 @@
struct S_6 {
float3 field0[13][18];
};
static float4x4 x_75[58] = (float4x4[58])0;
static S_6 x_82[46] = (S_6[46])0;
static float3 x_85[37] = (float3[37])0;
void main_1() {
const uint x_88 = 58u;
return;
}
void main() {
main_1();
return;
}

18
test/tint/bug/oss-fuzz/57795.spv.expected.fxc.hlsl Normal file
View File

@ -0,0 +1,18 @@
struct S_6 {
float3 field0[13][18];
};
static float4x4 x_75[58] = (float4x4[58])0;
static S_6 x_82[46] = (S_6[46])0;
static float3 x_85[37] = (float3[37])0;
void main_1() {
const uint x_88 = 58u;
return;
}
void main() {
main_1();
return;
}

48
test/tint/bug/oss-fuzz/57795.spv.expected.glsl Normal file
View File

@ -0,0 +1,48 @@
#version 310 es
precision highp float;
struct S {
mat3 field0;
};
struct S_1 {
S field0[47][21][83];
};
struct S_2 {
vec3 field0[95][37];
};
struct S_3 {
S_2 field0;
};
struct S_4 {
ivec2 field0[56];
};
struct S_5 {
S_4 field0;
};
struct S_6 {
vec3 field0[13][18];
};
struct S_7 {
ivec2 field0[88];
};
void main_1() {
uint x_88 = 58u;
return;
}
void tint_symbol() {
main_1();
}
void main() {
tint_symbol();
return;
}

64
test/tint/bug/oss-fuzz/57795.spv.expected.msl Normal file
View File

@ -0,0 +1,64 @@
#include <metal_stdlib>
using namespace metal;
template<typename T, size_t N>
struct tint_array {
const constant T& operator[](size_t i) const constant { return elements[i]; }
device T& operator[](size_t i) device { return elements[i]; }
const device T& operator[](size_t i) const device { return elements[i]; }
thread T& operator[](size_t i) thread { return elements[i]; }
const thread T& operator[](size_t i) const thread { return elements[i]; }
threadgroup T& operator[](size_t i) threadgroup { return elements[i]; }
const threadgroup T& operator[](size_t i) const threadgroup { return elements[i]; }
T elements[N];
};
struct S_6 {
tint_array<tint_array<float3, 18>, 13> field0;
};
struct tint_private_vars_struct {
tint_array<float4x4, 58> x_75;
tint_array<S_6, 46> x_82;
tint_array<float3, 37> x_85;
};
struct S {
float3x3 field0;
};
struct S_1 {
tint_array<tint_array<tint_array<S, 83>, 21>, 47> field0;
};
struct S_2 {
tint_array<tint_array<float3, 37>, 95> field0;
};
struct S_3 {
S_2 field0;
};
struct S_4 {
tint_array<int2, 56> field0;
};
struct S_5 {
S_4 field0;
};
struct S_7 {
tint_array<int2, 88> field0;
};
void main_1() {
uint const x_88 = 58u;
return;
}
fragment void tint_symbol() {
main_1();
return;
}

58
test/tint/bug/oss-fuzz/57795.spv.expected.spvasm Normal file
View File

@ -0,0 +1,58 @@
; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 33
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main"
OpExecutionMode %main OriginUpperLeft
OpName %x_75 "x_75"
OpName %S_6 "S_6"
OpMemberName %S_6 0 "field0"
OpName %x_82 "x_82"
OpName %x_85 "x_85"
OpName %main_1 "main_1"
OpName %main "main"
OpDecorate %_arr_mat4v4float_uint_58 ArrayStride 64
OpMemberDecorate %S_6 0 Offset 0
OpDecorate %_arr_v3float_uint_18 ArrayStride 16
OpDecorate %_arr__arr_v3float_uint_18_uint_13 ArrayStride 288
OpDecorate %_arr_S_6_uint_46 ArrayStride 3744
OpDecorate %_arr_v3float_uint_37 ArrayStride 16
%float = OpTypeFloat 32
%v4float = OpTypeVector %float 4
%mat4v4float = OpTypeMatrix %v4float 4
%uint = OpTypeInt 32 0
%uint_58 = OpConstant %uint 58
%_arr_mat4v4float_uint_58 = OpTypeArray %mat4v4float %uint_58
%7 = OpConstantNull %_arr_mat4v4float_uint_58
%_ptr_Private__arr_mat4v4float_uint_58 = OpTypePointer Private %_arr_mat4v4float_uint_58
%x_75 = OpVariable %_ptr_Private__arr_mat4v4float_uint_58 Private %7
%v3float = OpTypeVector %float 3
%uint_18 = OpConstant %uint 18
%_arr_v3float_uint_18 = OpTypeArray %v3float %uint_18
%uint_13 = OpConstant %uint 13
%_arr__arr_v3float_uint_18_uint_13 = OpTypeArray %_arr_v3float_uint_18 %uint_13
%S_6 = OpTypeStruct %_arr__arr_v3float_uint_18_uint_13
%uint_46 = OpConstant %uint 46
%_arr_S_6_uint_46 = OpTypeArray %S_6 %uint_46
%18 = OpConstantNull %_arr_S_6_uint_46
%_ptr_Private__arr_S_6_uint_46 = OpTypePointer Private %_arr_S_6_uint_46
%x_82 = OpVariable %_ptr_Private__arr_S_6_uint_46 Private %18
%uint_37 = OpConstant %uint 37
%_arr_v3float_uint_37 = OpTypeArray %v3float %uint_37
%23 = OpConstantNull %_arr_v3float_uint_37
%_ptr_Private__arr_v3float_uint_37 = OpTypePointer Private %_arr_v3float_uint_37
%x_85 = OpVariable %_ptr_Private__arr_v3float_uint_37 Private %23
%void = OpTypeVoid
%26 = OpTypeFunction %void
%main_1 = OpFunction %void None %26
%29 = OpLabel
OpReturn
OpFunctionEnd
%main = OpFunction %void None %26
%31 = OpLabel
%32 = OpFunctionCall %void %main_1
OpReturn
OpFunctionEnd

57
test/tint/bug/oss-fuzz/57795.spv.expected.wgsl Normal file
View File

@ -0,0 +1,57 @@
struct S {
field0 : mat3x3<f32>,
}
struct S_1 {
field0 : array<array<array<S, 83u>, 21u>, 47u>,
}
struct S_2 {
field0 : array<array<vec3<f32>, 37u>, 95u>,
}
struct S_3 {
field0 : S_2,
}
struct S_4 {
field0 : array<vec2<i32>, 56u>,
}
struct S_5 {
field0 : S_4,
}
struct S_6 {
field0 : array<array<vec3<f32>, 18u>, 13u>,
}
struct S_7 {
field0 : array<vec2<i32>, 88u>,
}
const x_72 = vec4<f32>(0.0f, 0.0f, 0.0f, 0.0f);
const x_73 = mat4x4<f32>(x_72, x_72, x_72, x_72);
var<private> x_75 : array<mat4x4<f32>, 58u> = array<mat4x4<f32>, 58u>(x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73, x_73);
const x_77 = vec3<f32>(0.0f, 0.0f, 0.0f);
const x_78 = array<vec3<f32>, 18u>(x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77);
const x_80 = S_6(array<array<vec3<f32>, 18u>, 13u>(x_78, x_78, x_78, x_78, x_78, x_78, x_78, x_78, x_78, x_78, x_78, x_78, x_78));
var<private> x_82 : array<S_6, 46u> = array<S_6, 46u>(x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80, x_80);
var<private> x_85 : array<vec3<f32>, 37u> = array<vec3<f32>, 37u>(x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77, x_77);
fn main_1() {
let x_88 : u32 = 58u;
return;
}
@fragment
fn main() {
main_1();
}

48
test/tint/bug/tint/1520.spvasm.expected.wgsl
View File

@ -19,6 +19,12 @@ var<private> sk_Clockwise : bool;
var<private> vcolor_S0 : vec4<f32>;
const x_35 = vec4<i32>(0i, 0i, 0i, 0i);
const x_46 = vec4<i32>(1i, 1i, 1i, 1i);
const x_57 = vec4<i32>(2i, 2i, 2i, 2i);
fn test_int_S1_c0_b() -> bool {
var unknown : i32;
var ok : bool;
@ -35,19 +41,19 @@ fn test_int_S1_c0_b() -> bool {
ok = true;
x_41 = false;
if (true) {
x_40 = all(((vec4<i32>(0i, 0i, 0i, 0i) / vec4<i32>(x_27, x_27, x_27, x_27)) == vec4<i32>(0i, 0i, 0i, 0i)));
x_40 = all(((x_35 / vec4<i32>(x_27, x_27, x_27, x_27)) == x_35));
x_41 = x_40;
}
ok = x_41;
let x_44 : vec4<i32> = vec4<i32>(x_27, x_27, x_27, x_27);
val = x_44;
let x_47 : vec4<i32> = (x_44 + vec4<i32>(1i, 1i, 1i, 1i));
let x_47 : vec4<i32> = (x_44 + x_46);
val = x_47;
let x_48 : vec4<i32> = (x_47 - vec4<i32>(1i, 1i, 1i, 1i));
let x_48 : vec4<i32> = (x_47 - x_46);
val = x_48;
let x_49 : vec4<i32> = (x_48 + vec4<i32>(1i, 1i, 1i, 1i));
let x_49 : vec4<i32> = (x_48 + x_46);
val = x_49;
let x_50 : vec4<i32> = (x_49 - vec4<i32>(1i, 1i, 1i, 1i));
let x_50 : vec4<i32> = (x_49 - x_46);
val = x_50;
x_55 = false;
if (x_41) {
@ -55,13 +61,13 @@ fn test_int_S1_c0_b() -> bool {
x_55 = x_54;
}
ok = x_55;
let x_58 : vec4<i32> = (x_50 * vec4<i32>(2i, 2i, 2i, 2i));
let x_58 : vec4<i32> = (x_50 * x_57);
val = x_58;
let x_59 : vec4<i32> = (x_58 / vec4<i32>(2i, 2i, 2i, 2i));
let x_59 : vec4<i32> = (x_58 / x_57);
val = x_59;
let x_60 : vec4<i32> = (x_59 * vec4<i32>(2i, 2i, 2i, 2i));
let x_60 : vec4<i32> = (x_59 * x_57);
val = x_60;
let x_61 : vec4<i32> = (x_60 / vec4<i32>(2i, 2i, 2i, 2i));
let x_61 : vec4<i32> = (x_60 / x_57);
val = x_61;
x_66 = false;
if (x_55) {
@ -72,6 +78,12 @@ fn test_int_S1_c0_b() -> bool {
return x_66;
}
const x_82 = vec4<f32>(0.0f, 0.0f, 0.0f, 0.0f);
const x_91 = vec4<f32>(1.0f, 1.0f, 1.0f, 1.0f);
const x_102 = vec4<f32>(2.0f, 2.0f, 2.0f, 2.0f);
fn main_1() {
var outputColor_S0 : vec4<f32>;
var output_S1 : vec4<f32>;
@ -94,19 +106,19 @@ fn main_1() {
x_9_ok = true;
x_87 = false;
if (true) {
x_86 = all(((vec4<f32>(0.0f, 0.0f, 0.0f, 0.0f) / vec4<f32>(x_77, x_77, x_77, x_77)) == vec4<f32>(0.0f, 0.0f, 0.0f, 0.0f)));
x_86 = all(((x_82 / vec4<f32>(x_77, x_77, x_77, x_77)) == x_82));
x_87 = x_86;
}
x_9_ok = x_87;
let x_89 : vec4<f32> = vec4<f32>(x_77, x_77, x_77, x_77);
x_10_val = x_89;
let x_92 : vec4<f32> = (x_89 + vec4<f32>(1.0f, 1.0f, 1.0f, 1.0f));
let x_92 : vec4<f32> = (x_89 + x_91);
x_10_val = x_92;
let x_93 : vec4<f32> = (x_92 - vec4<f32>(1.0f, 1.0f, 1.0f, 1.0f));
let x_93 : vec4<f32> = (x_92 - x_91);
x_10_val = x_93;
let x_94 : vec4<f32> = (x_93 + vec4<f32>(1.0f, 1.0f, 1.0f, 1.0f));
let x_94 : vec4<f32> = (x_93 + x_91);
x_10_val = x_94;
let x_95 : vec4<f32> = (x_94 - vec4<f32>(1.0f, 1.0f, 1.0f, 1.0f));
let x_95 : vec4<f32> = (x_94 - x_91);
x_10_val = x_95;
x_100 = false;
if (x_87) {
@ -114,13 +126,13 @@ fn main_1() {
x_100 = x_99;
}
x_9_ok = x_100;
let x_103 : vec4<f32> = (x_95 * vec4<f32>(2.0f, 2.0f, 2.0f, 2.0f));
let x_103 : vec4<f32> = (x_95 * x_102);
x_10_val = x_103;
let x_104 : vec4<f32> = (x_103 / vec4<f32>(2.0f, 2.0f, 2.0f, 2.0f));
let x_104 : vec4<f32> = (x_103 / x_102);
x_10_val = x_104;
let x_105 : vec4<f32> = (x_104 * vec4<f32>(2.0f, 2.0f, 2.0f, 2.0f));
let x_105 : vec4<f32> = (x_104 * x_102);
x_10_val = x_105;
let x_106 : vec4<f32> = (x_105 / vec4<f32>(2.0f, 2.0f, 2.0f, 2.0f));
let x_106 : vec4<f32> = (x_105 / x_102);
x_10_val = x_106;
x_111 = false;
if (x_100) {

2
test/tint/bug/tint/413.spvasm.expected.dxc.hlsl
View File

@ -3,7 +3,7 @@ RWTexture2D<uint4> Dst : register(u1);
void main_1() {
uint4 srcValue = uint4(0u, 0u, 0u, 0u);
const uint4 x_18 = Src.Load(int3(0, 0, 0));
const uint4 x_18 = Src.Load(int3((0).xx, 0));
srcValue = x_18;
const uint x_22 = srcValue.x;
srcValue.x = (x_22 + 1u);

2
test/tint/bug/tint/413.spvasm.expected.fxc.hlsl
View File

@ -3,7 +3,7 @@ RWTexture2D<uint4> Dst : register(u1);
void main_1() {
uint4 srcValue = uint4(0u, 0u, 0u, 0u);
const uint4 x_18 = Src.Load(int3(0, 0, 0));
const uint4 x_18 = Src.Load(int3((0).xx, 0));
srcValue = x_18;
const uint x_22 = srcValue.x;
srcValue.x = (x_22 + 1u);

6
test/tint/bug/tint/413.spvasm.expected.wgsl
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@ -2,14 +2,16 @@
@group(0) @binding(1) var Dst : texture_storage_2d<r32uint, write>;
const x_17 = vec2<i32>(0i, 0i);
fn main_1() {
var srcValue : vec4<u32>;
let x_18 : vec4<u32> = textureLoad(Src, vec2<i32>(0i, 0i), 0i);
let x_18 : vec4<u32> = textureLoad(Src, x_17, 0i);
srcValue = x_18;
let x_22 : u32 = srcValue.x;
srcValue.x = (x_22 + bitcast<u32>(1i));
let x_27 : vec4<u32> = srcValue;
textureStore(Dst, vec2<i32>(0i, 0i), x_27);
textureStore(Dst, x_17, x_27);
return;
}