[llvm] [DirectX] remove string function attribute DXIL not allowed (PR #90778)

[Xiang Li via llvm-commits]

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@@ -79,8 +79,8 @@ class DirectXPassConfig : public TargetPassConfig {
   void addCodeGenPrepare() override {
     addPass(createDXILIntrinsicExpansionLegacyPass());
     addPass(createDXILOpLoweringLegacyPass());
-    addPass(createDXILPrepareModulePass());
     addPass(createDXILTranslateMetadataPass());
+    addPass(createDXILPrepareModulePass());
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python3kgae wrote:

Because DXILTranslateMetadataPass needs to use attribute like hlsl.numthreads.
If DXILPrepareModulePass before DXILTranslateMetadataPass. The attribute will be removed.

https://github.com/llvm/llvm-project/pull/90778