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llvm-svn: 256272
This commit is contained in:
Rafael Espindola 2015-12-22 19:26:18 +00:00
parent e4ed0e56ce
commit 9f0bebc3da
1 changed files with 21 additions and 19 deletions
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40
llvm/lib/Transforms/IPO/GlobalOpt.cpp
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@ -2030,26 +2030,28 @@ bool GlobalOpt::OptimizeFunctions(Module &M) {
F->eraseFromParent();
Changed = true;
++NumFnDeleted;
} else if (F->hasLocalLinkage()) {
if (isProfitableToMakeFastCC(F) && !F->isVarArg() &&
!F->hasAddressTaken()) {
// If this function has a calling convention worth changing, is not a
// varargs function, and is only called directly, promote it to use the
// Fast calling convention.
F->setCallingConv(CallingConv::Fast);
ChangeCalleesToFastCall(F);
++NumFastCallFns;
Changed = true;
}
continue;
}
if (!F->hasLocalLinkage())
continue;
if (isProfitableToMakeFastCC(F) && !F->isVarArg() &&
!F->hasAddressTaken()) {
// If this function has a calling convention worth changing, is not a
// varargs function, and is only called directly, promote it to use the
// Fast calling convention.
F->setCallingConv(CallingConv::Fast);
ChangeCalleesToFastCall(F);
++NumFastCallFns;
Changed = true;
}
if (F->getAttributes().hasAttrSomewhere(Attribute::Nest) &&
!F->hasAddressTaken()) {
// The function is not used by a trampoline intrinsic, so it is safe
// to remove the 'nest' attribute.
RemoveNestAttribute(F);
++NumNestRemoved;
Changed = true;
}
if (F->getAttributes().hasAttrSomewhere(Attribute::Nest) &&
!F->hasAddressTaken()) {
// The function is not used by a trampoline intrinsic, so it is safe
// to remove the 'nest' attribute.
RemoveNestAttribute(F);
++NumNestRemoved;
Changed = true;
}
}
return Changed;