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[IR] Add getNoWrapKind method for OverflowingBinaryOperator (NFC) #84502

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Merged
merged 1 commit into from
Mar 8, 2024
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[IR] Add getNoWrapKind method for OverflowingBinaryOperator (NFC) #84502

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12 changes: 12 additions & 0 deletions llvm/include/llvm/IR/Operator.h
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,18 @@ class OverflowingBinaryOperator : public Operator {
return (SubclassOptionalData & NoSignedWrap) != 0;
}

/// Returns the no-wrap kind of the operation.
unsigned getNoWrapKind() const {
unsigned NoWrapKind = 0;
if (hasNoUnsignedWrap())
NoWrapKind |= NoUnsignedWrap;

if (hasNoSignedWrap())
NoWrapKind |= NoSignedWrap;

return NoWrapKind;
}

static bool classof(const Instruction *I) {
return I->getOpcode() == Instruction::Add ||
I->getOpcode() == Instruction::Sub ||
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7 changes: 1 addition & 6 deletions llvm/lib/Analysis/LazyValueInfo.cpp
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Expand Up @@ -997,12 +997,7 @@ LazyValueInfoImpl::solveBlockValueBinaryOp(BinaryOperator *BO, BasicBlock *BB) {
assert(BO->getOperand(0)->getType()->isSized() &&
"all operands to binary operators are sized");
if (auto *OBO = dyn_cast<OverflowingBinaryOperator>(BO)) {
unsigned NoWrapKind = 0;
if (OBO->hasNoUnsignedWrap())
NoWrapKind |= OverflowingBinaryOperator::NoUnsignedWrap;
if (OBO->hasNoSignedWrap())
NoWrapKind |= OverflowingBinaryOperator::NoSignedWrap;

unsigned NoWrapKind = OBO->getNoWrapKind();
return solveBlockValueBinaryOpImpl(
BO, BB,
[BO, NoWrapKind](const ConstantRange &CR1, const ConstantRange &CR2) {
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