dfg/DFGPhase.cpp

   1 /*
   2  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27 #include "DFGPhase.h"
  28
  29 #if ENABLE(DFG_JIT)
  30
  31 #include "DFGValidate.h"
  32 #include "JSCInlines.h"
  33
  34 namespace JSC { namespace DFG {
  35
  36 void Phase::beginPhase()
  37 {
  38     if (Options::verboseValidationFailure()) {
  39         StringPrintStream out;
  40         m_graph.dump(out);
  41         m_graphDumpBeforePhase = out.toCString();
  42     }
  43
  44     if (!shouldDumpGraphAtEachPhase())
  45         return;
  46
  47     dataLog("Beginning DFG phase ", m_name, ".\n");
  48     dataLog("Before ", m_name, ":\n");
  49     m_graph.dump();
  50 }
  51
  52 void Phase::endPhase()
  53 {
  54     if (!Options::validateGraphAtEachPhase())
  55         return;
  56     validate(m_graph, DumpGraph, m_graphDumpBeforePhase);
  57 }
  58
  59 } } // namespace JSC::DFG
  60
  61 #endif // ENABLE(DFG_JIT)