| Index: src/compiler/effect-control-linearizer.cc
|
| diff --git a/src/compiler/effect-control-linearizer.cc b/src/compiler/effect-control-linearizer.cc
|
| index 65a8a6527e32ea75b2be2978de84c5ed7a52e3f5..292d4d58e2731584b72a1550f794e27953200d7b 100644
|
| --- a/src/compiler/effect-control-linearizer.cc
|
| +++ b/src/compiler/effect-control-linearizer.cc
|
| @@ -648,6 +648,9 @@ bool EffectControlLinearizer::TryWireInStateEffect(Node* node,
|
| case IrOpcode::kCheckedUint32Mod:
|
| state = LowerCheckedUint32Mod(node, frame_state, *effect, *control);
|
| break;
|
| + case IrOpcode::kCheckedInt32Mul:
|
| + state = LowerCheckedInt32Mul(node, frame_state, *effect, *control);
|
| + break;
|
| case IrOpcode::kCheckedUint32ToInt32:
|
| state = LowerCheckedUint32ToInt32(node, frame_state, *effect, *control);
|
| break;
|
| @@ -1299,6 +1302,47 @@ EffectControlLinearizer::LowerCheckedUint32Mod(Node* node, Node* frame_state,
|
| }
|
|
|
| EffectControlLinearizer::ValueEffectControl
|
| +EffectControlLinearizer::LowerCheckedInt32Mul(Node* node, Node* frame_state,
|
| + Node* effect, Node* control) {
|
| + Node* zero = jsgraph()->Int32Constant(0);
|
| + Node* lhs = node->InputAt(0);
|
| + Node* rhs = node->InputAt(1);
|
| +
|
| + Node* projection =
|
| + graph()->NewNode(machine()->Int32MulWithOverflow(), lhs, rhs, control);
|
| +
|
| + Node* check = graph()->NewNode(common()->Projection(1), projection, control);
|
| + control = effect = graph()->NewNode(common()->DeoptimizeIf(), check,
|
| + frame_state, effect, control);
|
| +
|
| + Node* value = graph()->NewNode(common()->Projection(0), projection, control);
|
| +
|
| + Node* check_zero = graph()->NewNode(machine()->Word32Equal(), value, zero);
|
| + Node* branch_zero = graph()->NewNode(common()->Branch(BranchHint::kFalse),
|
| + check_zero, control);
|
| +
|
| + Node* if_zero = graph()->NewNode(common()->IfTrue(), branch_zero);
|
| + Node* e_if_zero = effect;
|
| + {
|
| + // We may need to return negative zero.
|
| + Node* or_inputs = graph()->NewNode(machine()->Word32Or(), lhs, rhs);
|
| + Node* check_or =
|
| + graph()->NewNode(machine()->Int32LessThan(), or_inputs, zero);
|
| + if_zero = e_if_zero = graph()->NewNode(common()->DeoptimizeIf(), check_or,
|
| + frame_state, e_if_zero, if_zero);
|
| + }
|
| +
|
| + Node* if_not_zero = graph()->NewNode(common()->IfFalse(), branch_zero);
|
| + Node* e_if_not_zero = effect;
|
| +
|
| + control = graph()->NewNode(common()->Merge(2), if_zero, if_not_zero);
|
| + effect = graph()->NewNode(common()->EffectPhi(2), e_if_zero, e_if_not_zero,
|
| + control);
|
| +
|
| + return ValueEffectControl(value, effect, control);
|
| +}
|
| +
|
| +EffectControlLinearizer::ValueEffectControl
|
| EffectControlLinearizer::LowerCheckedUint32ToInt32(Node* node,
|
| Node* frame_state,
|
| Node* effect,
|
|
|