1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
70 // Optimistic setting. Need additional checks in Node::is_dead_loop_safe().
71 if (con != TypeFunc::Memory || src->is_Start())
72 init_flags(Flag_is_dead_loop_safe);
73 debug_only(check_con());
74 }
75 const uint _con; // The field in the tuple we are projecting
76 const bool _is_io_use; // Used to distinguish between the projections
77 // used on the control and io paths from a macro node
78 virtual int Opcode() const;
79 virtual bool is_CFG() const;
80 virtual bool depends_only_on_test() const { return false; }
81 virtual const Type *bottom_type() const;
82 virtual const TypePtr *adr_type() const;
83 virtual bool pinned() const;
84 virtual const Type *Value( PhaseTransform *phase ) const;
85 virtual uint ideal_reg() const;
86 virtual const RegMask &out_RegMask() const;
87
88 #ifndef PRODUCT
89 virtual void dump_spec(outputStream *st) const;
90 #endif
91
92 // Return uncommon trap call node if proj is for "proj->[region->..]call_uct"
93 // NULL otherwise
94 CallStaticJavaNode* is_uncommon_trap_proj(Deoptimization::DeoptReason reason);
95 // Return uncommon trap call node for "if(test)-> proj -> ...
96 // |
97 // V
98 // other_proj->[region->..]call_uct"
99 // NULL otherwise
100 CallStaticJavaNode* is_uncommon_trap_if_pattern(Deoptimization::DeoptReason reason);
101
102 // Return other proj node when this is a If proj node
103 ProjNode* other_if_proj() const;
104 };
105
106 #endif // SHARE_VM_OPTO_MULTNODE_HPP
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1 /*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
70 // Optimistic setting. Need additional checks in Node::is_dead_loop_safe().
71 if (con != TypeFunc::Memory || src->is_Start())
72 init_flags(Flag_is_dead_loop_safe);
73 debug_only(check_con());
74 }
75 const uint _con; // The field in the tuple we are projecting
76 const bool _is_io_use; // Used to distinguish between the projections
77 // used on the control and io paths from a macro node
78 virtual int Opcode() const;
79 virtual bool is_CFG() const;
80 virtual bool depends_only_on_test() const { return false; }
81 virtual const Type *bottom_type() const;
82 virtual const TypePtr *adr_type() const;
83 virtual bool pinned() const;
84 virtual const Type *Value( PhaseTransform *phase ) const;
85 virtual uint ideal_reg() const;
86 virtual const RegMask &out_RegMask() const;
87
88 #ifndef PRODUCT
89 virtual void dump_spec(outputStream *st) const;
90 virtual void dump_comp_spec(outputStream *st) const;
91 #endif
92
93 // Return uncommon trap call node if proj is for "proj->[region->..]call_uct"
94 // NULL otherwise
95 CallStaticJavaNode* is_uncommon_trap_proj(Deoptimization::DeoptReason reason);
96 // Return uncommon trap call node for "if(test)-> proj -> ...
97 // |
98 // V
99 // other_proj->[region->..]call_uct"
100 // NULL otherwise
101 CallStaticJavaNode* is_uncommon_trap_if_pattern(Deoptimization::DeoptReason reason);
102
103 // Return other proj node when this is a If proj node
104 ProjNode* other_if_proj() const;
105 };
106
107 #endif // SHARE_VM_OPTO_MULTNODE_HPP
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