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llvm-svn: 135164
This commit is contained in:
Chris Lattner 2011-07-14 18:12:44 +00:00
parent 923053a1d6
commit 8561721bce
1 changed files with 3 additions and 1 deletions
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4
llvm/lib/VMCore/Globals.cpp
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@ -63,12 +63,14 @@ void GlobalValue::setAlignment(unsigned Align) {
}
bool GlobalValue::isDeclaration() const {
// Globals are definitions if they have an initializer.
if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(this))
return GV->getNumOperands() == 0;
// Functions are definitions if they have a body.
if (const Function *F = dyn_cast<Function>(this))
return F->empty();
const GlobalAlias *GA = cast<GlobalAlias>(this);
if (const GlobalValue *AV = GA->getAliasedGlobal())
return AV->isDeclaration();