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8266550: C2: mirror TypeOopPtr/TypeInstPtr/TypeAryPtr with TypeKlassPtr/TypeInstKlassPtr/TypeAryKlassPtr

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Reviewed-by: vlivanov, thartmann
This commit is contained in:
Roland Westrelin 2021-09-14 08:35:09 +00:00
parent a143372818
commit 1d2458db34
18 changed files with 992 additions and 457 deletions
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6
src/hotspot/share/opto/compile.cpp
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@ -1410,7 +1410,7 @@ const TypePtr *Compile::flatten_alias_type( const TypePtr *tj ) const {
if ( offset == Type::OffsetBot || (offset >= 0 && (size_t)offset < sizeof(Klass)) ) {
tj = tk = TypeKlassPtr::make(TypePtr::NotNull,
TypeKlassPtr::OBJECT->klass(),
TypeInstKlassPtr::OBJECT->klass(),
offset);
}
@ -1457,7 +1457,9 @@ const TypePtr *Compile::flatten_alias_type( const TypePtr *tj ) const {
case Type::RawPtr: tj = TypeRawPtr::BOTTOM; break;
case Type::AryPtr: // do not distinguish arrays at all
case Type::InstPtr: tj = TypeInstPtr::BOTTOM; break;
case Type::KlassPtr: tj = TypeKlassPtr::OBJECT; break;
case Type::KlassPtr:
case Type::AryKlassPtr:
case Type::InstKlassPtr: tj = TypeInstKlassPtr::OBJECT; break;
case Type::AnyPtr: tj = TypePtr::BOTTOM; break; // caller checks it
default: ShouldNotReachHere();
}