From b51a0d87ac4c3f9c651b2ff7cdf663dff18f995b Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Fri, 4 Apr 2008 08:28:13 +0000 Subject: [PATCH] If a value is cast to its own type, then the cast is not needed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49210 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Support/LLVMBuilder.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/include/llvm/Support/LLVMBuilder.h b/include/llvm/Support/LLVMBuilder.h index ef1817d3c16..2a7fc635d72 100644 --- a/include/llvm/Support/LLVMBuilder.h +++ b/include/llvm/Support/LLVMBuilder.h @@ -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(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(V)) return ConstantExpr::getIntegerCast(VC, DestTy, isSigned); return LLVMBuilder::CreateIntCast(V, DestTy, isSigned, Name); } - + //===--------------------------------------------------------------------===// // Instruction creation methods: Compare Instructions //===--------------------------------------------------------------------===//