1 /*

     2  * Copyright (c) 2005, 2016, 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  *

    23  */

    24 

    25 #ifndef SHARE_VM_C1_C1_CFGPRINTER_HPP

    26 #define SHARE_VM_C1_C1_CFGPRINTER_HPP

    27 

    28 #include "c1/c1_Compilation.hpp"

    29 #include "c1/c1_Instruction.hpp"

    30 

    31 #ifndef PRODUCT

    32 

    33 // This is a utility class used for recording the results of a

    34 // compilation for later analysis.

    35 

    36 class CFGPrinterOutput;

    37 class Interval;

    38 

    39 typedef GrowableArray<Interval*> IntervalList;

    40 

    41 class CFGPrinter : public AllStatic {

    42 public:

    43   static void print_compilation(Compilation* compilation);

    44   static void print_cfg(BlockList* blocks, const char* name, bool do_print_HIR, bool do_print_LIR);

    45   static void print_cfg(IR* blocks, const char* name, bool do_print_HIR, bool do_print_LIR);

    46   static void print_intervals(IntervalList* intervals, const char* name);

    47 };

    48 

    49 class CFGPrinterOutput : public CHeapObj<mtCompiler> {

    50  private:

    51   outputStream* _output;

    52 

    53   Compilation*  _compilation;

    54   bool _do_print_HIR;

    55   bool _do_print_LIR;

    56 

    57   class PrintBlockClosure: public BlockClosure {

    58     void block_do(BlockBegin* block) { if (block != NULL) Compilation::current()->cfg_printer_output()->print_block(block); }

    59   };

    60 

    61   outputStream* output() { assert(_output != NULL, ""); return _output; }

    62 

    63   void inc_indent();

    64   void dec_indent();

    65   void print(const char* format, ...) ATTRIBUTE_PRINTF(2, 3);

    66   void print_begin(const char* tag);

    67   void print_end(const char* tag);

    68 

    69   char* method_name(ciMethod* method, bool short_name = false);

    70 

    71  public:

    72   CFGPrinterOutput(Compilation* compilation);

    73 

    74   void set_print_flags(bool do_print_HIR, bool do_print_LIR) { _do_print_HIR = do_print_HIR; _do_print_LIR = do_print_LIR; }

    75 

    76   void print_compilation();

    77   void print_intervals(IntervalList* intervals, const char* name);

    78 

    79   void print_state(BlockBegin* block);

    80   void print_operand(Value instr);

    81   void print_HIR(Value instr);

    82   void print_HIR(BlockBegin* block);

    83   void print_LIR(BlockBegin* block);

    84   void print_block(BlockBegin* block);

    85   void print_cfg(BlockList* blocks, const char* name);

    86   void print_cfg(IR* blocks, const char* name);

    87 };

    88 

    89 #endif

    90 

    91 #endif // SHARE_VM_C1_C1_CFGPRINTER_HPP