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| author | Vedant Kumar <vsk@apple.com> | 2015-12-19 08:48:43 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2015-12-19 08:48:43 +0000 |
| commit | 44dd9871e867a3164c5322b2ee4dff9cb03e0a41 (patch) | |
| tree | e81a661af2a87048c8d3a10be7a203553b97a656 /llvm/lib/Transforms | |
| parent | d481752e682b401214af403d18aa5ad658de572a (diff) | |
| download | bcm5719-llvm-44dd9871e867a3164c5322b2ee4dff9cb03e0a41.tar.gz bcm5719-llvm-44dd9871e867a3164c5322b2ee4dff9cb03e0a41.zip | |
Revert "Reapply "[IR] Move optional data in llvm::Function into a hungoff uselist""
This reverts commit r256093.
This broke lld-x86_64-win7 because of -Werror,-Wc++1y-extensions.
llvm-svn: 256094
Diffstat (limited to 'llvm/lib/Transforms')
| -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) |
