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8238812: assert(false) failed: bad AD file

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Reviewed-by: thartmann, chagedorn, roland
This commit is contained in:
Rahul Raghavan 2021-03-10 15:59:38 +00:00
parent b2a2ddff44
commit 4b5be40ab9
4 changed files with 208 additions and 10 deletions
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4
src/hotspot/share/opto/compile.cpp
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@ -4161,10 +4161,10 @@ Node* Compile::conv_I2X_index(PhaseGVN* phase, Node* idx, const TypeInt* sizetyp
}
// Convert integer value to a narrowed long type dependent on ctrl (for example, a range check)
Node* Compile::constrained_convI2L(PhaseGVN* phase, Node* value, const TypeInt* itype, Node* ctrl) {
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, false, true /* range check dependency */);
value = new CastIINode(value, itype, carry_dependency, 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