diff options
Diffstat (limited to 'lib/Transforms/Utils/ValueMapper.cpp')
| -rw-r--r-- | lib/Transforms/Utils/ValueMapper.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/ValueMapper.cpp b/lib/Transforms/Utils/ValueMapper.cpp index 7b60d96..3f6a90c 100644 --- a/lib/Transforms/Utils/ValueMapper.cpp +++ b/lib/Transforms/Utils/ValueMapper.cpp @@ -27,9 +27,10 @@ Value *llvm::MapValue(const Value *V, ValueToValueMapTy &VM) { // NOTE: VMSlot can be invalidated by any reference to VM, which can grow the // DenseMap. This includes any recursive calls to MapValue. - // Global values do not need to be seeded into the VM if they are using - // the identity mapping. - if (isa<GlobalValue>(V) || isa<InlineAsm>(V) || isa<MDString>(V)) + // Global values and non-function-local metadata do not need to be seeded into + // the VM if they are using the identity mapping. + if (isa<GlobalValue>(V) || isa<InlineAsm>(V) || isa<MDString>(V) || + (isa<MDNode>(V) && !cast<MDNode>(V)->isFunctionLocal())) return VMSlot = const_cast<Value*>(V); if (const MDNode *MD = dyn_cast<MDNode>(V)) { |