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| author | Nick Lewycky <nicholas@mxc.ca> | 2010-07-24 20:54:02 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2010-07-24 20:54:02 +0000 |
| commit | de4e94a18cbf259ca0f5800e7efaa5d6a697c1d8 (patch) | |
| tree | d9ad5e740b22f26684d49364bebb01993b766cd6 | |
| parent | 8c64b9766e654079339ea7f3a2da152f18d00179 (diff) | |
| download | external_llvm-de4e94a18cbf259ca0f5800e7efaa5d6a697c1d8.zip external_llvm-de4e94a18cbf259ca0f5800e7efaa5d6a697c1d8.tar.gz external_llvm-de4e94a18cbf259ca0f5800e7efaa5d6a697c1d8.tar.bz2 | |
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
| -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)) { |