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-rw-r--r--lib/Transforms/IPO/GlobalOpt.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 64cd515..ab9d30d 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1914,6 +1914,12 @@ bool GlobalOpt::ProcessGlobal(GlobalVariable *GV,
return true;
}
+ if (GV->hasLinkOnceODRLinkage() && GV->hasUnnamedAddr() && GV->isConstant() &&
+ GV->getVisibility() != GlobalValue::HiddenVisibility) {
+ GV->setVisibility(GlobalValue::HiddenVisibility);
+ return true;
+ }
+
if (!GV->hasLocalLinkage())
return false;
@@ -1926,6 +1932,7 @@ bool GlobalOpt::ProcessGlobal(GlobalVariable *GV,
if (!GS.isCompared && !GV->hasUnnamedAddr()) {
GV->setUnnamedAddr(true);
NumUnnamed++;
+ return true;
}
if (GV->isConstant() || !GV->hasInitializer())
@@ -2105,6 +2112,10 @@ bool GlobalOpt::OptimizeFunctions(Module &M) {
F->eraseFromParent();
Changed = true;
++NumFnDeleted;
+ } else if (F->hasLinkOnceODRLinkage() && F->hasUnnamedAddr() &&
+ F->getVisibility() != GlobalValue::HiddenVisibility) {
+ F->setVisibility(GlobalValue::HiddenVisibility);
+ Changed = true;
} else if (F->hasLocalLinkage()) {
if (F->getCallingConv() == CallingConv::C && !F->isVarArg() &&
!F->hasAddressTaken()) {