diff options
Diffstat (limited to 'lib/Transforms/IPO/GlobalDCE.cpp')
| -rw-r--r-- | lib/Transforms/IPO/GlobalDCE.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp index 2b427aa6a4..18c1c7b000 100644 --- a/lib/Transforms/IPO/GlobalDCE.cpp +++ b/lib/Transforms/IPO/GlobalDCE.cpp @@ -65,7 +65,7 @@ bool GlobalDCE::runOnModule(Module &M) { for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) { Changed |= RemoveUnusedGlobalValue(*I); // Functions with external linkage are needed if they have a body - if (!I->hasLocalLinkage() && !I->hasLinkOnceLinkage() && + if (!I->isDiscardableIfUnused() && !I->isDeclaration() && !I->hasAvailableExternallyLinkage()) GlobalIsNeeded(I); } @@ -75,7 +75,7 @@ bool GlobalDCE::runOnModule(Module &M) { Changed |= RemoveUnusedGlobalValue(*I); // Externally visible & appending globals are needed, if they have an // initializer. - if (!I->hasLocalLinkage() && !I->hasLinkOnceLinkage() && + if (!I->isDiscardableIfUnused() && !I->isDeclaration() && !I->hasAvailableExternallyLinkage()) GlobalIsNeeded(I); } @@ -84,7 +84,7 @@ bool GlobalDCE::runOnModule(Module &M) { I != E; ++I) { Changed |= RemoveUnusedGlobalValue(*I); // Externally visible aliases are needed. - if (!I->hasLocalLinkage() && !I->hasLinkOnceLinkage()) + if (!I->isDiscardableIfUnused()) GlobalIsNeeded(I); } |