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authorVedant Kumar <vsk@apple.com>2015-12-19 07:30:44 +0000
committerVedant Kumar <vsk@apple.com>2015-12-19 07:30:44 +0000
commite069c4b6d14d54e1d6e7656316b67ea573a4d48e (patch)
tree3cd25b069999bc65fb32fa6db44594a149a235f3 /llvm/lib/Transforms/IPO/GlobalDCE.cpp
parentbe7525d4fa6258b56aebe061d0a670d172103225 (diff)
downloadbcm5719-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.cpp10
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)
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