diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
| commit | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (patch) | |
| tree | 4adf86a776049cbf7f69a1929c4babcbbef925eb /llvm/lib/IR/Metadata.cpp | |
| parent | 7cc9cf2bf09f069cb2dd947ead05d0b54301fb71 (diff) | |
Notes
Diffstat (limited to 'llvm/lib/IR/Metadata.cpp')
| -rw-r--r-- | llvm/lib/IR/Metadata.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp index 62c2aa86f3b0..de092894d30c 100644 --- a/llvm/lib/IR/Metadata.cpp +++ b/llvm/lib/IR/Metadata.cpp @@ -489,7 +489,9 @@ void *MDNode::operator new(size_t Size, unsigned NumOps) { return Ptr; } -void MDNode::operator delete(void *Mem) { +// Repress memory sanitization, due to use-after-destroy by operator +// delete. Bug report 24578 identifies this issue. +LLVM_NO_SANITIZE_MEMORY_ATTRIBUTE void MDNode::operator delete(void *Mem) { MDNode *N = static_cast<MDNode *>(Mem); size_t OpSize = N->NumOperands * sizeof(MDOperand); OpSize = alignTo(OpSize, alignof(uint64_t)); @@ -1260,6 +1262,7 @@ void Instruction::setMetadata(unsigned KindID, MDNode *Node) { void Instruction::setAAMetadata(const AAMDNodes &N) { setMetadata(LLVMContext::MD_tbaa, N.TBAA); + setMetadata(LLVMContext::MD_tbaa_struct, N.TBAAStruct); setMetadata(LLVMContext::MD_alias_scope, N.Scope); setMetadata(LLVMContext::MD_noalias, N.NoAlias); } |