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8263707: C1 RangeCheckEliminator support constant array and NewMultiArray

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Reviewed-by: thartmann, neliasso
This commit is contained in:
Hui Shi 2021-03-30 16:04:59 +00:00 • committed by Nils Eliasson
parent 2ad6f2d9bc
commit 21e7402b04
3 changed files with 164 additions and 3 deletions
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8
src/hotspot/share/c1/c1_GraphBuilder.cpp
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@ -984,8 +984,10 @@ void GraphBuilder::load_indexed(BasicType type) {
Value array = apop();
Value length = NULL;
if (CSEArrayLength ||
(array->as_Constant() != NULL) ||
(array->as_AccessField() && array->as_AccessField()->field()->is_constant()) ||
(array->as_NewArray() && array->as_NewArray()->length() && array->as_NewArray()->length()->type()->is_constant())) {
(array->as_NewArray() && array->as_NewArray()->length() && array->as_NewArray()->length()->type()->is_constant()) ||
(array->as_NewMultiArray() && array->as_NewMultiArray()->dims()->at(0)->type()->is_constant())) {
length = append(new ArrayLength(array, state_before));
}
push(as_ValueType(type), append(new LoadIndexed(array, index, length, type, state_before)));
@ -1001,8 +1003,10 @@ void GraphBuilder::store_indexed(BasicType type) {
Value array = apop();
Value length = NULL;
if (CSEArrayLength ||
(array->as_Constant() != NULL) ||
(array->as_AccessField() && array->as_AccessField()->field()->is_constant()) ||
(array->as_NewArray() && array->as_NewArray()->length() && array->as_NewArray()->length()->type()->is_constant())) {
(array->as_NewArray() && array->as_NewArray()->length() && array->as_NewArray()->length()->type()->is_constant()) ||
(array->as_NewMultiArray() && array->as_NewMultiArray()->dims()->at(0)->type()->is_constant())) {
length = append(new ArrayLength(array, state_before));
}
ciType* array_type = array->declared_type();