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If a value is cast to its own type, then the cast

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is not needed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49210 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands 2008-04-04 08:28:13 +00:00
parent 8ac66c122b
commit b51a0d87ac
1 changed files with 6 additions and 2 deletions
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8
include/llvm/Support/LLVMBuilder.h
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@ -615,20 +615,24 @@ public:
const char *Name = "") {
return CreateCast(Instruction::BitCast, V, DestTy, Name);
}
Value *CreateCast(Instruction::CastOps Op, Value *V, const Type *DestTy,
const char *Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
return ConstantExpr::getCast(Op, VC, DestTy);
return LLVMBuilder::CreateCast(Op, V, DestTy, Name);
}
Value *CreateIntCast(Value *V, const Type *DestTy, bool isSigned,
const char *Name = "") {
if (V->getType() == DestTy)
return V;
if (Constant *VC = dyn_cast<Constant>(V))
return ConstantExpr::getIntegerCast(VC, DestTy, isSigned);
return LLVMBuilder::CreateIntCast(V, DestTy, isSigned, Name);
}
//===--------------------------------------------------------------------===//
// Instruction creation methods: Compare Instructions
//===--------------------------------------------------------------------===//