Mercurial > hg > truffle
diff src/share/vm/opto/parse2.cpp @ 14383:5ec7dace41a6
8027422: assert(_gvn.type(obj)->higher_equal(tjp)) failed: cast_up is no longer needed
Summary: type methods shouldn't always operate on speculative part
Reviewed-by: kvn, twisti
author | roland |
---|---|
date | Fri, 24 Jan 2014 09:31:53 +0100 |
parents | de6a9e811145 |
children | 45467c53f178 |
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--- a/src/share/vm/opto/parse2.cpp Thu Jan 23 01:23:23 2014 +0400 +++ b/src/share/vm/opto/parse2.cpp Fri Jan 24 09:31:53 2014 +0100 @@ -88,7 +88,7 @@ if (toop->klass()->as_instance_klass()->unique_concrete_subklass()) { // If we load from "AbstractClass[]" we must see "ConcreteSubClass". const Type* subklass = Type::get_const_type(toop->klass()); - elemtype = subklass->join(el); + elemtype = subklass->join_speculative(el); } } } @@ -1278,7 +1278,7 @@ // Bool(CmpP(LoadKlass(obj._klass), ConP(Foo.klass)), [eq]) // or the narrowOop equivalent. const Type* obj_type = _gvn.type(obj); - const TypeOopPtr* tboth = obj_type->join(con_type)->isa_oopptr(); + const TypeOopPtr* tboth = obj_type->join_speculative(con_type)->isa_oopptr(); if (tboth != NULL && tboth->klass_is_exact() && tboth != obj_type && tboth->higher_equal(obj_type)) { // obj has to be of the exact type Foo if the CmpP succeeds. @@ -1288,7 +1288,7 @@ (jvms->is_loc(obj_in_map) || jvms->is_stk(obj_in_map))) { TypeNode* ccast = new (C) CheckCastPPNode(control(), obj, tboth); const Type* tcc = ccast->as_Type()->type(); - assert(tcc != obj_type && tcc->higher_equal(obj_type), "must improve"); + assert(tcc != obj_type && tcc->higher_equal_speculative(obj_type), "must improve"); // Delay transform() call to allow recovery of pre-cast value // at the control merge. _gvn.set_type_bottom(ccast); @@ -1318,7 +1318,7 @@ switch (btest) { case BoolTest::eq: // Constant test? { - const Type* tboth = tcon->join(tval); + const Type* tboth = tcon->join_speculative(tval); if (tboth == tval) break; // Nothing to gain. if (tcon->isa_int()) { ccast = new (C) CastIINode(val, tboth); @@ -1352,7 +1352,7 @@ if (ccast != NULL) { const Type* tcc = ccast->as_Type()->type(); - assert(tcc != tval && tcc->higher_equal(tval), "must improve"); + assert(tcc != tval && tcc->higher_equal_speculative(tval), "must improve"); // Delay transform() call to allow recovery of pre-cast value // at the control merge. ccast->set_req(0, control());