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Refactor logic into a function predicate.

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No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200976 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-02-07 16:07:11 +00:00
parent c3261b3120
commit 12eb44ddab
1 changed files with 19 additions and 14 deletions
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33
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -234,6 +234,24 @@ bool AsmPrinter::doInitialization(Module &M) {
return false;
}
static bool canBeHidden(const GlobalValue *GV, const MCAsmInfo &MAI) {
GlobalValue::LinkageTypes Linkage = GV->getLinkage();
if (Linkage != GlobalValue::LinkOnceODRLinkage)
return false;
if (!MAI.hasWeakDefCanBeHiddenDirective())
return false;
if (GV->hasUnnamedAddr())
return true;
GlobalStatus GS;
if (!GlobalStatus::analyzeGlobal(GV, GS) && !GS.IsCompared)
return true;
return false;
}
void AsmPrinter::EmitLinkage(const GlobalValue *GV, MCSymbol *GVSym) const {
GlobalValue::LinkageTypes Linkage = GV->getLinkage();
switch (Linkage) {
@ -247,20 +265,7 @@ void AsmPrinter::EmitLinkage(const GlobalValue *GV, MCSymbol *GVSym) const {
// .globl _foo
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
bool CanBeHidden = false;
if (Linkage == GlobalValue::LinkOnceODRLinkage &&
MAI->hasWeakDefCanBeHiddenDirective()) {
if (GV->hasUnnamedAddr()) {
CanBeHidden = true;
} else {
GlobalStatus GS;
if (!GlobalStatus::analyzeGlobal(GV, GS) && !GS.IsCompared)
CanBeHidden = true;
}
}
if (!CanBeHidden)
if (!canBeHidden(GV, *MAI))
// .weak_definition _foo
OutStreamer.EmitSymbolAttribute(GVSym, MCSA_WeakDefinition);
else