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