[PATCH] D111163: [UnknownProvenance] add support in ValueMapper

[Jeroen Dobbelaere via Phabricator via llvm-commits]

jeroen.dobbelaere created this revision.
jeroen.dobbelaere added reviewers: jdoerfert, nikic.
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Add support for `UnknownProvenance` in ValueMapper


https://reviews.llvm.org/D111163

Files:
  llvm/lib/Transforms/Utils/ValueMapper.cpp


Index: llvm/lib/Transforms/Utils/ValueMapper.cpp
===================================================================
--- llvm/lib/Transforms/Utils/ValueMapper.cpp
+++ llvm/lib/Transforms/Utils/ValueMapper.cpp
@@ -517,6 +517,8 @@
     return getVM()[V] = UndefValue::get(NewTy);
   if (isa<ConstantAggregateZero>(C))
     return getVM()[V] = ConstantAggregateZero::get(NewTy);
+  if (isa<UnknownProvenance>(C))
+    return getVM()[V] = UnknownProvenance::get(cast<PointerType>(NewTy));
   assert(isa<ConstantPointerNull>(C));
   return getVM()[V] = ConstantPointerNull::get(cast<PointerType>(NewTy));
 }


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