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Fix Intrinsic::getType not working with vararg

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VarArg Intrinsic functions are encoded with "void" type as the last
argument. Now Intrinsic::getType can correctly return all the intrinsic
function type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220205 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Steven Wu 2014-10-20 15:47:24 +00:00
parent e7c9c44387
commit 3ea39890d1
1 changed files with 6 additions and 0 deletions
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6
lib/IR/Function.cpp
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@ -739,6 +739,12 @@ FunctionType *Intrinsic::getType(LLVMContext &Context,
while (!TableRef.empty())
ArgTys.push_back(DecodeFixedType(TableRef, Tys, Context));
// DecodeFixedType returns Void for IITDescriptor::Void and IITDescriptor::VarArg
// If we see void type as the type of the last argument, it is vararg intrinsic
if (!ArgTys.empty() && ArgTys.back()->isVoidTy()) {
ArgTys.pop_back();
return FunctionType::get(ResultTy, ArgTys, true);
}
return FunctionType::get(ResultTy, ArgTys, false);
}