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| author | dim <dim@FreeBSD.org> | 2015-12-30 11:46:15 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2015-12-30 11:46:15 +0000 |
| commit | e194cd6d03d91631334d9d5e55b506036f423cc8 (patch) | |
| tree | fcfbb4df56a744f4ddc6122c50521dd3f1c5e196 /lib/Transforms/Utils/GlobalStatus.cpp | |
| parent | 1f8fab1f5d4699e0d1676fd4e5150ed8635f5035 (diff) | |
| download | FreeBSD-src-e194cd6d03d91631334d9d5e55b506036f423cc8.zip FreeBSD-src-e194cd6d03d91631334d9d5e55b506036f423cc8.tar.gz | |
Vendor import of llvm trunk r256633:
https://llvm.org/svn/llvm-project/llvm/trunk@256633
Diffstat (limited to 'lib/Transforms/Utils/GlobalStatus.cpp')
| -rw-r--r-- | lib/Transforms/Utils/GlobalStatus.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/GlobalStatus.cpp b/lib/Transforms/Utils/GlobalStatus.cpp index 44b7d25..3893a75 100644 --- a/lib/Transforms/Utils/GlobalStatus.cpp +++ b/lib/Transforms/Utils/GlobalStatus.cpp @@ -49,6 +49,10 @@ bool llvm::isSafeToDestroyConstant(const Constant *C) { static bool analyzeGlobalAux(const Value *V, GlobalStatus &GS, SmallPtrSetImpl<const PHINode *> &PhiUsers) { + if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) + if (GV->isExternallyInitialized()) + GS.StoredType = GlobalStatus::StoredOnce; + for (const Use &U : V->uses()) { const User *UR = U.getUser(); if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(UR)) { |
