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8267988: C2: assert(!addp->is_AddP() || addp->in(AddPNode::Base)->is_top() || addp->in(AddPNode::Base) == n->in(AddPNode::Base)) failed: Base pointers must match (addp 1301)

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Reviewed-by: chagedorn, vlivanov, kvn
This commit is contained in:
Roland Westrelin 2021-06-16 07:36:07 +00:00
parent b18de6cf79
commit 4d545a1f86
8 changed files with 148 additions and 63 deletions
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2
src/hotspot/share/opto/compile.cpp
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@ -4135,7 +4135,7 @@ Node* Compile::conv_I2X_index(PhaseGVN* phase, Node* idx, const TypeInt* sizetyp
Node* Compile::constrained_convI2L(PhaseGVN* phase, Node* value, const TypeInt* itype, Node* ctrl, bool carry_dependency) {
if (ctrl != NULL) {
// Express control dependency by a CastII node with a narrow type.
value = new CastIINode(value, itype, carry_dependency, true /* range check dependency */);
value = new CastIINode(value, itype, carry_dependency ? ConstraintCastNode::StrongDependency : ConstraintCastNode::RegularDependency, true /* range check dependency */);
// Make the CastII node dependent on the control input to prevent the narrowed ConvI2L
// node from floating above the range check during loop optimizations. Otherwise, the
// ConvI2L node may be eliminated independently of the range check, causing the data path