[llvm] [Utils] Identity map module-level debug info on first use in CloneFunction* (PR #118627)
Felipe de Azevedo Piovezan via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 17 09:47:02 PST 2024
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@@ -322,16 +317,21 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
DISubprogram *SPClonedWithinModule =
CollectDebugInfoForCloning(*OldFunc, Changes, DIFinder);
- ModuleLevelChanges =
- BuildDebugInfoMDMap(VMap.MD(), Changes, DIFinder, SPClonedWithinModule);
+ MetadataSetTy IdentityMD;
+ FindDebugInfoToIdentityMap(IdentityMD, Changes, DIFinder,
+ SPClonedWithinModule);
- const auto RemapFlag = ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges;
+ // Current implementation always upgrades from local changes to module level
+ // changes due to the way metadata cloning is done. See
+ // BuildDebugInfoToIdentityMap for more details.
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felipepiovezan wrote:
I can't find `BuildDebugInfoToIdentityMap` in this patch
https://github.com/llvm/llvm-project/pull/118627
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