diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/GlobalDCE.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/IPO/GlobalDCE.cpp b/llvm/lib/Transforms/IPO/GlobalDCE.cpp index a9c9ec0fd84..654a5095d06 100644 --- a/llvm/lib/Transforms/IPO/GlobalDCE.cpp +++ b/llvm/lib/Transforms/IPO/GlobalDCE.cpp @@ -161,7 +161,8 @@ void GlobalDCE::GlobalIsNeeded(GlobalValue *G) { MarkUsedGlobalsAsNeeded(GV->getInitializer()); } else if (GlobalAlias *GA = dyn_cast<GlobalAlias>(G)) { // The target of a global alias is needed. - MarkUsedGlobalsAsNeeded(GA->getAliasee()); + if (Constant *Aliasee = GA->getAliasee()) + MarkUsedGlobalsAsNeeded(Aliasee); } else { // Otherwise this must be a function object. We have to scan the body of // the function looking for constants and global values which are used as |
