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Add IRBuilder::{CreateIsNull, CreateIsNonNull} helper methods.

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- I'm open to the idea that these could have better names. I think
   these read better than CreateEQNull and CreateNENull.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56757 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2008-09-27 23:22:55 +00:00
parent 184793fc8a
commit 7a3ec1e148
1 changed files with 17 additions and 0 deletions
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17
include/llvm/Support/IRBuilder.h
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@ -630,6 +630,23 @@ public:
IdxBegin, IdxEnd - IdxBegin);
return Insert(InsertValueInst::Create(Agg, Val, IdxBegin, IdxEnd), Name);
}
//===--------------------------------------------------------------------===//
// Utility creation methods
//===--------------------------------------------------------------------===//
/// CreateIsNull - Return an i1 value testing if \arg Arg is null.
Value *CreateIsNull(Value *Arg, const char *Name = "") {
return CreateICmpEQ(Arg, llvm::Constant::getNullValue(Arg->getType()),
Name);
}
/// CreateIsNonNull - Return an i1 value testing if \arg Arg is not null.
Value *CreateIsNonNull(Value *Arg, const char *Name = "") {
return CreateICmpNE(Arg, llvm::Constant::getNullValue(Arg->getType()),
Name);
}
};
}