From 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 Mon Sep 17 00:00:00 2001 From: dim Date: Wed, 15 Aug 2012 19:34:23 +0000 Subject: Vendor import of llvm trunk r161861: http://llvm.org/svn/llvm-project/llvm/trunk@161861 --- lib/Transforms/IPO/GlobalDCE.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'lib/Transforms/IPO/GlobalDCE.cpp') diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp index 2b427aa..18c1c7b 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); } -- cgit v1.1