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Revert r159136 due to PR13124.

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Original commit message:

If a constant or a function has linkonce_odr linkage and unnamed_addr, mark it
hidden. Being linkonce_odr guarantees that it is available in every dso that
needs it. Being a constant/function with unnamed_addr guarantees that the
copies don't have to be merged.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159272 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Beaumont-Gay
2012-06-27 17:10:33 +00:00
parent f6ce8ea20c
commit 06b8c285d3
3 changed files with 0 additions and 31 deletions
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11
lib/Transforms/IPO/GlobalOpt.cpp
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@@ -1731,12 +1731,6 @@ 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;
@@ -1749,7 +1743,6 @@ bool GlobalOpt::ProcessGlobal(GlobalVariable *GV,
if (!GS.isCompared && !GV->hasUnnamedAddr()) {
GV->setUnnamedAddr(true);
NumUnnamed++;
return true;
}
if (GV->isConstant() || !GV->hasInitializer())
@@ -1924,10 +1917,6 @@ 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()) {