/// IsConstantOne - Return true only if val is constant int 1
static bool IsConstantOne(Value *val) {
assert(val && "IsConstantOne does not work with NULL val");
- return isa<ConstantInt>(val) && cast<ConstantInt>(val)->isOne();
+ const ConstantInt *CVal = dyn_cast<ConstantInt>(val);
+ return CVal && CVal->isOne();
}
static Instruction *createMalloc(Instruction *InsertBefore,
return cast<PossiblyExactOperator>(this)->isExact();
}
+void BinaryOperator::copyIRFlags(const Value *V) {
+ // Copy the wrapping flags.
+ if (auto *OB = dyn_cast<OverflowingBinaryOperator>(V)) {
+ setHasNoSignedWrap(OB->hasNoSignedWrap());
+ setHasNoUnsignedWrap(OB->hasNoUnsignedWrap());
+ }
+
+ // Copy the exact flag.
+ if (auto *PE = dyn_cast<PossiblyExactOperator>(V))
+ setIsExact(PE->isExact());
+
+ // Copy the fast-math flags.
+ if (auto *FP = dyn_cast<FPMathOperator>(V))
+ copyFastMathFlags(FP->getFastMathFlags());
+}
+
+void BinaryOperator::andIRFlags(const Value *V) {
+ if (auto *OB = dyn_cast<OverflowingBinaryOperator>(V)) {
+ setHasNoSignedWrap(hasNoSignedWrap() & OB->hasNoSignedWrap());
+ setHasNoUnsignedWrap(hasNoUnsignedWrap() & OB->hasNoUnsignedWrap());
+ }
+
+ if (auto *PE = dyn_cast<PossiblyExactOperator>(V))
+ setIsExact(isExact() & PE->isExact());
+
+ if (auto *FP = dyn_cast<FPMathOperator>(V)) {
+ FastMathFlags FM = getFastMathFlags();
+ FM &= FP->getFastMathFlags();
+ copyFastMathFlags(FM);
+ }
+}
+
+
//===----------------------------------------------------------------------===//
// FPMathOperator Class
//===----------------------------------------------------------------------===//
if (Ty->isIntOrIntVectorTy())
return Create(Instruction::PtrToInt, S, Ty, Name, InsertAtEnd);
- Type *STy = S->getType();
- if (STy->getPointerAddressSpace() != Ty->getPointerAddressSpace())
- return Create(Instruction::AddrSpaceCast, S, Ty, Name, InsertAtEnd);
-
- return Create(Instruction::BitCast, S, Ty, Name, InsertAtEnd);
+ return CreatePointerBitCastOrAddrSpaceCast(S, Ty, Name, InsertAtEnd);
}
/// @brief Create a BitCast or a PtrToInt cast instruction
if (Ty->isIntOrIntVectorTy())
return Create(Instruction::PtrToInt, S, Ty, Name, InsertBefore);
- Type *STy = S->getType();
- if (STy->getPointerAddressSpace() != Ty->getPointerAddressSpace())
+ return CreatePointerBitCastOrAddrSpaceCast(S, Ty, Name, InsertBefore);
+}
+
+CastInst *CastInst::CreatePointerBitCastOrAddrSpaceCast(
+ Value *S, Type *Ty,
+ const Twine &Name,
+ BasicBlock *InsertAtEnd) {
+ assert(S->getType()->isPtrOrPtrVectorTy() && "Invalid cast");
+ assert(Ty->isPtrOrPtrVectorTy() && "Invalid cast");
+
+ if (S->getType()->getPointerAddressSpace() != Ty->getPointerAddressSpace())
+ return Create(Instruction::AddrSpaceCast, S, Ty, Name, InsertAtEnd);
+
+ return Create(Instruction::BitCast, S, Ty, Name, InsertAtEnd);
+}
+
+CastInst *CastInst::CreatePointerBitCastOrAddrSpaceCast(
+ Value *S, Type *Ty,
+ const Twine &Name,
+ Instruction *InsertBefore) {
+ assert(S->getType()->isPtrOrPtrVectorTy() && "Invalid cast");
+ assert(Ty->isPtrOrPtrVectorTy() && "Invalid cast");
+
+ if (S->getType()->getPointerAddressSpace() != Ty->getPointerAddressSpace())
return Create(Instruction::AddrSpaceCast, S, Ty, Name, InsertBefore);
return Create(Instruction::BitCast, S, Ty, Name, InsertBefore);
}
-CastInst *CastInst::CreateIntegerCast(Value *C, Type *Ty,
+CastInst *CastInst::CreateIntegerCast(Value *C, Type *Ty,
bool isSigned, const Twine &Name,
Instruction *InsertBefore) {
assert(C->getType()->isIntOrIntVectorTy() && Ty->isIntOrIntVectorTy() &&