[AMDGPU] Delete AMDGPU Unify Metadata pass (#153548)

Shoreshen · web-flow · commit 04aebbfbe2b4 · 2025-08-14T16:16:32.000+08:00
Fixes #153150
diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.h b/llvm/lib/Target/AMDGPU/AMDGPU.h
@@ -439,10 +439,6 @@ struct AMDGPUPrintfRuntimeBindingPass
   PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
 };
 
-struct AMDGPUUnifyMetadataPass : PassInfoMixin<AMDGPUUnifyMetadataPass> {
-  PreservedAnalyses run(Module &M, ModuleAnalysisManager &AM);
-};
-
 void initializeSIOptimizeExecMaskingPreRALegacyPass(PassRegistry &);
 extern char &SIOptimizeExecMaskingPreRAID;
 
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUPassRegistry.def b/llvm/lib/Target/AMDGPU/AMDGPUPassRegistry.def
@@ -29,7 +29,6 @@ MODULE_PASS("amdgpu-preload-kernel-arguments", AMDGPUPreloadKernelArgumentsPass(
 MODULE_PASS("amdgpu-printf-runtime-binding", AMDGPUPrintfRuntimeBindingPass())
 MODULE_PASS("amdgpu-remove-incompatible-functions", AMDGPURemoveIncompatibleFunctionsPass(*this))
 MODULE_PASS("amdgpu-sw-lower-lds", AMDGPUSwLowerLDSPass(*this))
-MODULE_PASS("amdgpu-unify-metadata", AMDGPUUnifyMetadataPass())
 #undef MODULE_PASS
 
 #ifndef MODULE_PASS_WITH_PARAMS
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -848,8 +848,6 @@ void AMDGPUTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
         if (Level == OptimizationLevel::O0)
           return;
 
-        PM.addPass(AMDGPUUnifyMetadataPass());
-
         // We don't want to run internalization at per-module stage.
         if (InternalizeSymbols && !isLTOPreLink(Phase)) {
           PM.addPass(InternalizePass(mustPreserveGV));
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUUnifyMetadata.cpp b/llvm/lib/Target/AMDGPU/AMDGPUUnifyMetadata.cpp
diff --git a/llvm/lib/Target/AMDGPU/CMakeLists.txt b/llvm/lib/Target/AMDGPU/CMakeLists.txt
@@ -114,7 +114,6 @@ add_llvm_target(AMDGPUCodeGen
   AMDGPUTargetTransformInfo.cpp
   AMDGPUWaitSGPRHazards.cpp
   AMDGPUUnifyDivergentExitNodes.cpp
-  AMDGPUUnifyMetadata.cpp
   R600MachineCFGStructurizer.cpp
   GCNCreateVOPD.cpp
   GCNDPPCombine.cpp
diff --git a/llvm/test/CodeGen/AMDGPU/unify-metadata.ll b/llvm/test/CodeGen/AMDGPU/unify-metadata.ll
diff --git a/llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn b/llvm/utils/gn/secondary/llvm/lib/Target/AMDGPU/BUILD.gn
@@ -201,7 +201,6 @@ static_library("LLVMAMDGPUCodeGen") {
     "AMDGPUTargetObjectFile.cpp",
     "AMDGPUTargetTransformInfo.cpp",
     "AMDGPUUnifyDivergentExitNodes.cpp",
-    "AMDGPUUnifyMetadata.cpp",
     "AMDGPUWaitSGPRHazards.cpp",
     "GCNCreateVOPD.cpp",
     "GCNDPPCombine.cpp",
