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authorNick Lewycky <nicholas@mxc.ca>2010-07-24 20:54:02 +0000
committerNick Lewycky <nicholas@mxc.ca>2010-07-24 20:54:02 +0000
commitde4e94a18cbf259ca0f5800e7efaa5d6a697c1d8 (patch)
treed9ad5e740b22f26684d49364bebb01993b766cd6 /lib/Transforms/Utils/ValueMapper.cpp
parent8c64b9766e654079339ea7f3a2da152f18d00179 (diff)
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Revert this because we can't clone cyclic MDNodes which are creating during a
build of llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109355 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/ValueMapper.cpp')
-rw-r--r--lib/Transforms/Utils/ValueMapper.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/ValueMapper.cpp b/lib/Transforms/Utils/ValueMapper.cpp
index 7b60d9697c..3f6a90c94e 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)) {