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author | Vedant Kumar <vsk@apple.com> | 2015-12-19 07:30:44 +0000 |
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committer | Vedant Kumar <vsk@apple.com> | 2015-12-19 07:30:44 +0000 |
commit | e069c4b6d14d54e1d6e7656316b67ea573a4d48e (patch) | |
tree | 3cd25b069999bc65fb32fa6db44594a149a235f3 /llvm/lib/Transforms/IPO/GlobalDCE.cpp | |
parent | be7525d4fa6258b56aebe061d0a670d172103225 (diff) | |
download | bcm5719-llvm-e069c4b6d14d54e1d6e7656316b67ea573a4d48e.tar.gz bcm5719-llvm-e069c4b6d14d54e1d6e7656316b67ea573a4d48e.zip |
Revert "[IR] Move optional data in llvm::Function into a hungoff uselist"
This reverts commit r256090.
This broke llvm-clang-lld-x86_64-debian-fast.
llvm-svn: 256091
Diffstat (limited to 'llvm/lib/Transforms/IPO/GlobalDCE.cpp')
-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) |