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Simplify some alias sets in IonMonkey.

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This commit is contained in:
wolfbeast 2019-03-26 18:30:57 +01:00 • committed by Roy Tam
commit c3a58ab50b
2 changed files with 4 additions and 6 deletions
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3
js/src/jit/AliasAnalysisShared.cpp
View file

@ -102,7 +102,6 @@ GetObject(const MDefinition* ins)
case MDefinition::Op_SetDisjointTypedElements:
case MDefinition::Op_ArrayPopShift:
case MDefinition::Op_ArrayPush:
case MDefinition::Op_ArraySlice:
case MDefinition::Op_LoadTypedArrayElementHole:
case MDefinition::Op_StoreTypedArrayElementHole:
case MDefinition::Op_LoadFixedSlot:
@ -126,6 +125,7 @@ GetObject(const MDefinition* ins)
object = ins->getOperand(0);
break;
case MDefinition::Op_GetPropertyCache:
case MDefinition::Op_CallGetProperty:
case MDefinition::Op_LoadTypedArrayElementStatic:
case MDefinition::Op_StoreTypedArrayElementStatic:
case MDefinition::Op_GetDOMProperty:
@ -148,6 +148,7 @@ GetObject(const MDefinition* ins)
case MDefinition::Op_WasmLoadGlobalVar:
case MDefinition::Op_WasmStoreGlobalVar:
case MDefinition::Op_ArrayJoin:
case MDefinition::Op_ArraySlice:
return nullptr;
default:
#ifdef DEBUG

7
js/src/jit/MIR.h
View file

@ -9910,10 +9910,6 @@ class MArraySlice
return unboxedType_;
}
AliasSet getAliasSet() const override {
return AliasSet::Store(AliasSet::BoxedOrUnboxedElements(unboxedType()) |
AliasSet::ObjectFields);
}
bool possiblyCalls() const override {
return true;
}
@ -11837,7 +11833,8 @@ class MCallGetProperty
AliasSet getAliasSet() const override {
if (!idempotent_)
return AliasSet::Store(AliasSet::Any);
return AliasSet::None();
return AliasSet::Load(AliasSet::ObjectFields | AliasSet::FixedSlot |
AliasSet::DynamicSlot);
}
bool possiblyCalls() const override {
return true;