diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO')
| -rw-r--r-- | llvm/lib/Transforms/IPO/GlobalDCE.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/GlobalDCE.cpp b/llvm/lib/Transforms/IPO/GlobalDCE.cpp index 9b276ed28e2..1cc657458d6 100644 --- a/llvm/lib/Transforms/IPO/GlobalDCE.cpp +++ b/llvm/lib/Transforms/IPO/GlobalDCE.cpp @@ -215,8 +215,14 @@ void GlobalDCE::GlobalIsNeeded(GlobalValue *G) { // any globals used will be marked as needed. Function *F = cast<Function>(G); - for (Use &U : F->operands()) - MarkUsedGlobalsAsNeeded(cast<Constant>(U.get())); + if (F->hasPrefixData()) + MarkUsedGlobalsAsNeeded(F->getPrefixData()); + + if (F->hasPrologueData()) + MarkUsedGlobalsAsNeeded(F->getPrologueData()); + + if (F->hasPersonalityFn()) + MarkUsedGlobalsAsNeeded(F->getPersonalityFn()); for (BasicBlock &BB : *F) for (Instruction &I : BB) |
