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Consider ConstantAggregateZero as well as ConstantArray/Struct.

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llvm-svn: 129338
This commit is contained in:
Nick Lewycky 2011-04-12 01:02:45 +00:00
parent 72a09952de
commit a3308fd26f
1 changed files with 7 additions and 5 deletions

8
lib/Transforms/Instrumentation/ProfilingUtils.cpp

@ -151,10 +151,12 @@ void llvm::InsertProfilingShutdownCall(Function *Callee, Module *Mod) {
// delete it, to replace it with one that has a larger array type.
std::vector<Constant *> dtors;
if (GlobalVariable *GlobalDtors = Mod->getNamedGlobal("llvm.global_dtors")) {
ConstantArray *InitList =
cast<ConstantArray>(GlobalDtors->getInitializer());
for (unsigned i = 0, e = InitList->getType()->getNumElements(); i != e; ++i)
if (ConstantArray *InitList =
dyn_cast<ConstantArray>(GlobalDtors->getInitializer())) {
for (unsigned i = 0, e = InitList->getType()->getNumElements();
i != e; ++i)
dtors.push_back(cast<Constant>(InitList->getOperand(i)));
}
GlobalDtors->eraseFromParent();
}