diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2016-08-17 19:33:52 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2016-08-17 19:33:52 +0000 |
| commit | a7fe922b98bb45be7dce7c1cfe668ec27eeddc74 (patch) | |
| tree | e9648f5bddc775b842e53141d7c9748482f7115a /lib/IR/Metadata.cpp | |
| parent | c3aee98e721333f265a88d6bf348e6e468f027d4 (diff) | |
Notes
Diffstat (limited to 'lib/IR/Metadata.cpp')
| -rw-r--r-- | lib/IR/Metadata.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/IR/Metadata.cpp b/lib/IR/Metadata.cpp index 5201c2ecce6a..f35c64b27b5b 100644 --- a/lib/IR/Metadata.cpp +++ b/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(); |