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Handle OpMemberDecorateStringGOOGLE in ACDE (#2029)

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Add missing case to the switch statement for the annotation
instructions.

See https://github.com/KhronosGroup/glslang/issues/1561.
This commit is contained in:
Steven Perron 2018-11-02 13:42:45 -04:00 committed by GitHub
parent 9e6f5134d1
commit f2cc71e5cb
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2 changed files with 37 additions and 0 deletions
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1
source/opt/aggressive_dead_code_elim_pass.cpp
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@ -643,6 +643,7 @@ bool AggressiveDCEPass::ProcessGlobalValues() {
case SpvOpDecorate:
case SpvOpMemberDecorate:
case SpvOpDecorateStringGOOGLE:
case SpvOpMemberDecorateStringGOOGLE:
if (IsTargetDead(annotation)) {
context()->KillInst(annotation);
modified = true;

36
test/opt/aggressive_dead_code_elim_test.cpp
View File

@ -6135,6 +6135,42 @@ TEST_F(AggressiveDCETest, DeadHlslCounterBufferGOOGLE) {
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
SinglePassRunAndMatch<AggressiveDCEPass>(test, true);
}
TEST_F(AggressiveDCETest, Dead) {
// We are able to remove "local2" because it is not loaded, but have to keep
// the stores to "local1".
const std::string test =
R"(
; CHECK: OpCapability
; CHECK-NOT: OpMemberDecorateStringGOOGLE
; CHECK: OpFunctionEnd
OpCapability Shader
OpExtension "SPV_GOOGLE_hlsl_functionality1"
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %VSMain "VSMain"
OpSource HLSL 500
OpName %VSMain "VSMain"
OpName %PSInput "PSInput"
OpMemberName %PSInput 0 "Pos"
OpMemberName %PSInput 1 "uv"
OpMemberDecorateStringGOOGLE %PSInput 0 HlslSemanticGOOGLE "SV_POSITION"
OpMemberDecorateStringGOOGLE %PSInput 1 HlslSemanticGOOGLE "TEX_COORD"
%void = OpTypeVoid
%5 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%v4float = OpTypeVector %float 4
%PSInput = OpTypeStruct %v4float %v2float
%VSMain = OpFunction %void None %5
%9 = OpLabel
OpReturn
OpFunctionEnd
)";
SetAssembleOptions(SPV_TEXT_TO_BINARY_OPTION_PRESERVE_NUMERIC_IDS);
SinglePassRunAndMatch<AggressiveDCEPass>(test, true);
}
// TODO(greg-lunarg): Add tests to verify handling of these cases:
//
// Check that logical addressing required