diff options
| -rw-r--r-- | include/llvm/InstrTypes.h | 21 | ||||
| -rw-r--r-- | include/llvm/Support/IRBuilder.h | 6 |
2 files changed, 27 insertions, 0 deletions
diff --git a/include/llvm/InstrTypes.h b/include/llvm/InstrTypes.h index 72cca19..ed7b5b4 100644 --- a/include/llvm/InstrTypes.h +++ b/include/llvm/InstrTypes.h @@ -216,6 +216,27 @@ public: return BO; } + /// CreateNSWSub - Create an Sub operator with the NSW flag set. + /// + static BinaryOperator *CreateNSWSub(Value *V1, Value *V2, + const Twine &Name = "") { + BinaryOperator *BO = CreateSub(V1, V2, Name); + BO->setHasNoSignedWrap(true); + return BO; + } + static BinaryOperator *CreateNSWSub(Value *V1, Value *V2, + const Twine &Name, BasicBlock *BB) { + BinaryOperator *BO = CreateSub(V1, V2, Name, BB); + BO->setHasNoSignedWrap(true); + return BO; + } + static BinaryOperator *CreateNSWSub(Value *V1, Value *V2, + const Twine &Name, Instruction *I) { + BinaryOperator *BO = CreateSub(V1, V2, Name, I); + BO->setHasNoSignedWrap(true); + return BO; + } + /// CreateExactSDiv - Create an SDiv operator with the exact flag set. /// static BinaryOperator *CreateExactSDiv(Value *V1, Value *V2, diff --git a/include/llvm/Support/IRBuilder.h b/include/llvm/Support/IRBuilder.h index c9382d2..00347ba 100644 --- a/include/llvm/Support/IRBuilder.h +++ b/include/llvm/Support/IRBuilder.h @@ -298,6 +298,12 @@ public: return Folder.CreateSub(LC, RC); return Insert(BinaryOperator::CreateSub(LHS, RHS), Name); } + Value *CreateNSWSub(Value *LHS, Value *RHS, const Twine &Name = "") { + if (Constant *LC = dyn_cast<Constant>(LHS)) + if (Constant *RC = dyn_cast<Constant>(RHS)) + return Folder.CreateNSWSub(LC, RC); + return Insert(BinaryOperator::CreateNSWSub(LHS, RHS), Name); + } Value *CreateFSub(Value *LHS, Value *RHS, const Twine &Name = "") { if (Constant *LC = dyn_cast<Constant>(LHS)) if (Constant *RC = dyn_cast<Constant>(RHS)) |