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-rw-r--r--source/slang-glslang/slang-glslang.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/source/slang-glslang/slang-glslang.cpp b/source/slang-glslang/slang-glslang.cpp
index 1c756cb6c..80087997c 100644
--- a/source/slang-glslang/slang-glslang.cpp
+++ b/source/slang-glslang/slang-glslang.cpp
@@ -168,6 +168,8 @@ static void glslang_optimizeSPIRV(std::vector<unsigned int>& spirv, spv_target_e
break;
case SLANG_OPTIMIZATION_LEVEL_DEFAULT:
// Use a minimal set of performance settings
+ // If we run CreateInlineExhaustivePass, We need to run CreateMergeReturnPass first.
+ optimizer.RegisterPass(spvtools::CreateMergeReturnPass());
optimizer.RegisterPass(spvtools::CreateInlineExhaustivePass());
optimizer.RegisterPass(spvtools::CreateAggressiveDCEPass());
optimizer.RegisterPass(spvtools::CreatePrivateToLocalPass());