1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp b/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
index 84751d2..4ca2247 100644
--- a/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
+++ b/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
@@ -45,6 +45,7 @@
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Transforms/Scalar.h"
 #include "llvm/Transforms/Scalar/Scalarizer.h"
 #include <optional>
 
@@ -72,6 +73,7 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeDirectXTarget() {
   initializeDXILFinalizeLinkageLegacyPass(*PR);
   initializeDXILPrettyPrinterLegacyPass(*PR);
   initializeDXILForwardHandleAccessesLegacyPass(*PR);
+  initializeDSELegacyPassPass(*PR);
   initializeDXILCBufferAccessLegacyPass(*PR);
 }
 
@@ -112,6 +114,7 @@ public:
     addPass(createScalarizerPass(DxilScalarOptions));
     addPass(createDXILFlattenArraysLegacyPass());
     addPass(createDXILForwardHandleAccessesLegacyPass());
+    addPass(createDeadStoreEliminationPass());
     addPass(createDXILLegalizeLegacyPass());
     addPass(createDXILResourceImplicitBindingLegacyPass());
     addPass(createDXILTranslateMetadataLegacyPass());