[llvm] [NFC][AMDGPU] Rename AMDGPUUnifyDivergentExitNodes to AMDGPUUnifyDivergentExitNodesLegacy (PR #192399)

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git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Target/AMDGPU/AMDGPU.h llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp llvm/lib/Target/AMDGPU/AMDGPUUnifyDivergentExitNodes.cpp --diff_from_common_commit
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diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.h b/llvm/lib/Target/AMDGPU/AMDGPU.h
index 96af8c644..e4dadcf87 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPU.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPU.h
@@ -541,7 +541,7 @@ extern char &SIPostRABundlerLegacyID;
 void initializeGCNCreateVOPDLegacyPass(PassRegistry &);
 extern char &GCNCreateVOPDID;
 
-void initializeAMDGPUUnifyDivergentExitNodesLegacyPass(PassRegistry&);
+void initializeAMDGPUUnifyDivergentExitNodesLegacyPass(PassRegistry &);
 extern char &AMDGPUUnifyDivergentExitNodesID;
 
 ImmutablePass *createAMDGPUAAWrapperPass();

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https://github.com/llvm/llvm-project/pull/192399