diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/IR/Metadata.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp index 8b8e4dcfc06..cbbd808475b 100644 --- a/llvm/lib/IR/Metadata.cpp +++ b/llvm/lib/IR/Metadata.cpp @@ -675,8 +675,8 @@ void MDNode::handleChangedOperand(void *Ref, Metadata *New) { Metadata *Old = getOperand(Op); setOperand(Op, New); - // Drop uniquing for self-reference cycles. - if (New == this) { + // Drop uniquing for self-reference cycles and deleted constants. + if (New == this || (!New && Old && isa<ConstantAsMetadata>(Old))) { if (!isResolved()) resolve(); storeDistinctInContext(); |