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authorShih-wei Liao <sliao@google.com>2012-08-03 00:11:18 -0700
committerShih-wei Liao <sliao@google.com>2012-08-03 00:11:18 -0700
commit7744acd1ab73b3eec6f1449f47083abe3fb1b527 (patch)
tree17ef28b6d1034fdea7f42a19bebe7ad834901d62 /lib/Transforms/IPO/GlobalDCE.cpp
parent4a05ed708aed4c7a099d924ed3feb604d3e44074 (diff)
parenta94d6e87c4c49f2e81b01d66d8bfb591277f8f96 (diff)
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Merge with LLVM upstream r160668 (Jul 24th 2012)
Conflicts: include/llvm/Support/ELF.h lib/CodeGen/AsmPrinter/AsmPrinter.cpp lib/Support/Memory.cpp lib/Transforms/Instrumentation/AddressSanitizer.cpp Change-Id: Iddd658cf2eadc7165b2805b446d31af2c5c9917f
Diffstat (limited to 'lib/Transforms/IPO/GlobalDCE.cpp')
-rw-r--r--lib/Transforms/IPO/GlobalDCE.cpp6
1 files changed, 3 insertions, 3 deletions
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);
}