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Allow llvm.gcroot to work with non-pointer allocas.

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llvm-svn: 115198
This commit is contained in:
Talin 2010-09-30 20:23:47 +00:00
parent 5aae0d6863
commit ee60bd194c
1 changed files with 6 additions and 2 deletions
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8
lib/VMCore/Verifier.cpp
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@ -1645,10 +1645,14 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
if (ID == Intrinsic::gcroot) {
AllocaInst *AI =
dyn_cast<AllocaInst>(CI.getArgOperand(0)->stripPointerCasts());
Assert1(AI && AI->getType()->getElementType()->isPointerTy(),
"llvm.gcroot parameter #1 must be a pointer alloca.", &CI);
Assert1(AI, "llvm.gcroot parameter #1 must be an alloca.", &CI);
Assert1(isa<Constant>(CI.getArgOperand(1)),
"llvm.gcroot parameter #2 must be a constant.", &CI);
if (!AI->getType()->getElementType()->isPointerTy()) {
Assert1(!isa<ConstantPointerNull>(CI.getArgOperand(1)),
"llvm.gcroot parameter #1 must either be a pointer alloca, "
"or argument #2 must be a non-null constant.", &CI);
}
}
Assert1(CI.getParent()->getParent()->hasGC(),