jdk8-mips64-public/hotspot: src/share/vm/c1/c1_CFGPrinter.cpp@f02a8bbe6ed4 (annotated)

src/share/vm/c1/c1_CFGPrinter.cpp@f02a8bbe6ed4 (annotated)

src/share/vm/c1/c1_CFGPrinter.cpp

Tue, 29 Dec 2009 19:08:54 +0100

author: roland
date: Tue, 29 Dec 2009 19:08:54 +0100
changeset 2174: f02a8bbe6ed4
parent 1907: c18cbe5936b8
child 2314: f95d63e2154a
permissions: -rw-r--r--

6986046: C1 valuestack cleanup
Summary: fixes an historical oddity in C1 with inlining where all of the expression stacks are kept in the topmost ValueStack instead of being in their respective ValueStacks.
Reviewed-by: never
Contributed-by: Christian Wimmer <cwimmer@uci.edu>

 /*
  * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #include "incls/_precompiled.incl"
 #include "incls/_c1_CFGPrinter.cpp.incl"
 #ifndef PRODUCT
 class CFGPrinterOutput : public CHeapObj {
  private:
   outputStream* _output;
   Compilation*  _compilation;
   bool _do_print_HIR;
   bool _do_print_LIR;
   class PrintBlockClosure: public BlockClosure {
     void block_do(BlockBegin* block) { if (block != NULL) CFGPrinter::output()->print_block(block); }
   };
   outputStream* output() { assert(_output != NULL, ""); return _output; }
   void inc_indent();
   void dec_indent();
   void print(const char* format, ...);
   void print_begin(const char* tag);
   void print_end(const char* tag);
   char* method_name(ciMethod* method, bool short_name = false);
  public:
   CFGPrinterOutput();
   void set_compilation(Compilation* compilation) { _compilation = compilation; }
   void set_print_flags(bool do_print_HIR, bool do_print_LIR) { _do_print_HIR = do_print_HIR; _do_print_LIR = do_print_LIR; }
   void print_compilation();
   void print_intervals(IntervalList* intervals, const char* name);
   void print_state(BlockBegin* block);
   void print_operand(Value instr);
   void print_HIR(Value instr);
   void print_HIR(BlockBegin* block);
   void print_LIR(BlockBegin* block);
   void print_block(BlockBegin* block);
   void print_cfg(BlockList* blocks, const char* name);
   void print_cfg(IR* blocks, const char* name);
 };
 CFGPrinterOutput* CFGPrinter::_output = NULL;
 void CFGPrinter::print_compilation(Compilation* compilation) {
   if (_output == NULL) {
     _output = new CFGPrinterOutput();
   }
   output()->set_compilation(compilation);
   output()->print_compilation();
 }
 void CFGPrinter::print_cfg(BlockList* blocks, const char* name, bool do_print_HIR, bool do_print_LIR) {
   output()->set_print_flags(do_print_HIR, do_print_LIR);
   output()->print_cfg(blocks, name);
 }
 void CFGPrinter::print_cfg(IR* blocks, const char* name, bool do_print_HIR, bool do_print_LIR) {
   output()->set_print_flags(do_print_HIR, do_print_LIR);
   output()->print_cfg(blocks, name);
 }
 void CFGPrinter::print_intervals(IntervalList* intervals, const char* name) {
   output()->print_intervals(intervals, name);
 }
 CFGPrinterOutput::CFGPrinterOutput()
  : _output(new(ResourceObj::C_HEAP) fileStream("output.cfg"))
 {
 }
 void CFGPrinterOutput::inc_indent() {
   output()->inc();
   output()->inc();
 }
 void CFGPrinterOutput::dec_indent() {
   output()->dec();
   output()->dec();
 }
 void CFGPrinterOutput::print(const char* format, ...) {
   output()->indent();
   va_list ap;
   va_start(ap, format);
   output()->vprint_cr(format, ap);
   va_end(ap);
 }
 void CFGPrinterOutput::print_begin(const char* tag) {
   output()->indent();
   output()->print_cr("begin_%s", tag);
   inc_indent();
 }
 void CFGPrinterOutput::print_end(const char* tag) {
   dec_indent();
   output()->indent();
   output()->print_cr("end_%s", tag);
 }
 char* CFGPrinterOutput::method_name(ciMethod* method, bool short_name) {
   stringStream name;
   if (short_name) {
     method->print_short_name(&name);
   } else {
     method->print_name(&name);
   }
   return name.as_string();
 }
 void CFGPrinterOutput::print_compilation() {
   print_begin("compilation");
   print("name \"%s\"", method_name(_compilation->method(), true));
   print("method \"%s\"", method_name(_compilation->method()));
   print("date "INT64_FORMAT, os::javaTimeMillis());
   print_end("compilation");
 }
 void CFGPrinterOutput::print_state(BlockBegin* block) {
   print_begin("states");
   InstructionPrinter ip(true, output());
   ValueStack* state = block->state();
   int index;
   Value value;
   for_each_state(state) {
     print_begin("locals");
     print("size %d", state->locals_size());
     print("method \"%s\"", method_name(state->scope()->method()));
     for_each_local_value(state, index, value) {
       ip.print_phi(index, value, block);
       print_operand(value);
       output()->cr();
     }
     print_end("locals");
     if (state->stack_size() > 0) {
       print_begin("stack");
       print("size %d", state->stack_size());
       print("method \"%s\"", method_name(state->scope()->method()));
       for_each_stack_value(state, index, value) {
         ip.print_phi(index, value, block);
         print_operand(value);
         output()->cr();
       }
       print_end("stack");
     }
     if (state->locks_size() > 0) {
       print_begin("locks");
       print("size %d", state->locks_size());
       print("method \"%s\"", method_name(state->scope()->method()));
       for_each_lock_value(state, index, value) {
         ip.print_phi(index, value, block);
         print_operand(value);
         output()->cr();
       }
       print_end("locks");
     }
   }
   print_end("states");
 }
 void CFGPrinterOutput::print_operand(Value instr) {
   if (instr->operand()->is_virtual()) {
     output()->print(" \"");
     instr->operand()->print(output());
     output()->print("\" ");
   }
 }
 void CFGPrinterOutput::print_HIR(Value instr) {
   InstructionPrinter ip(true, output());
   if (instr->is_pinned()) {
     output()->put('.');
   }
   output()->print("%d %d ", instr->printable_bci(), instr->use_count());
   print_operand(instr);
   ip.print_temp(instr);
   output()->print(" ");
   ip.print_instr(instr);
   output()->print_cr(" <|@");
 }
 void CFGPrinterOutput::print_HIR(BlockBegin* block) {
   print_begin("HIR");
   Value cur = block->next();
   while (cur != NULL) {
     print_HIR(cur);
     cur = cur->next();
   }
   print_end("HIR");
 }
 void CFGPrinterOutput::print_LIR(BlockBegin* block) {
   print_begin("LIR");
   for (int i = 0; i < block->lir()->length(); i++) {
     block->lir()->at(i)->print_on(output());
     output()->print_cr(" <|@ ");
   }
   print_end("LIR");
 }
 void CFGPrinterOutput::print_block(BlockBegin* block) {
   print_begin("block");
   print("name \"B%d\"", block->block_id());
   print("from_bci %d", block->bci());
   print("to_bci %d", (block->end() == NULL ? -1 : block->end()->printable_bci()));
   output()->indent();
   output()->print("predecessors ");
   int i;
   for (i = 0; i < block->number_of_preds(); i++) {
     output()->print("\"B%d\" ", block->pred_at(i)->block_id());
   }
   output()->cr();
   output()->indent();
   output()->print("successors ");
   for (i = 0; i < block->number_of_sux(); i++) {
     output()->print("\"B%d\" ", block->sux_at(i)->block_id());
   }
   output()->cr();
   output()->indent();
   output()->print("xhandlers");
   for (i = 0; i < block->number_of_exception_handlers(); i++) {
     output()->print("\"B%d\" ", block->exception_handler_at(i)->block_id());
   }
   output()->cr();
   output()->indent();
   output()->print("flags ");
   if (block->is_set(BlockBegin::std_entry_flag))                output()->print("\"std\" ");
   if (block->is_set(BlockBegin::osr_entry_flag))                output()->print("\"osr\" ");
   if (block->is_set(BlockBegin::exception_entry_flag))          output()->print("\"ex\" ");
   if (block->is_set(BlockBegin::subroutine_entry_flag))         output()->print("\"sr\" ");
   if (block->is_set(BlockBegin::backward_branch_target_flag))   output()->print("\"bb\" ");
   if (block->is_set(BlockBegin::parser_loop_header_flag))       output()->print("\"plh\" ");
   if (block->is_set(BlockBegin::critical_edge_split_flag))      output()->print("\"ces\" ");
   if (block->is_set(BlockBegin::linear_scan_loop_header_flag))  output()->print("\"llh\" ");
   if (block->is_set(BlockBegin::linear_scan_loop_end_flag))     output()->print("\"lle\" ");
   output()->cr();
   if (block->dominator() != NULL) {
     print("dominator \"B%d\"", block->dominator()->block_id());
   }
   if (block->loop_index() != -1) {
     print("loop_index %d", block->loop_index());
     print("loop_depth %d", block->loop_depth());
   }
   if (block->first_lir_instruction_id() != -1) {
     print("first_lir_id %d", block->first_lir_instruction_id());
     print("last_lir_id %d", block->last_lir_instruction_id());
   }
   if (_do_print_HIR) {
     print_state(block);
     print_HIR(block);
   }
   if (_do_print_LIR) {
     print_LIR(block);
   }
   print_end("block");
 }
 void CFGPrinterOutput::print_cfg(BlockList* blocks, const char* name) {
   print_begin("cfg");
   print("name \"%s\"", name);
   PrintBlockClosure print_block;
   blocks->iterate_forward(&print_block);
   print_end("cfg");
   output()->flush();
 }
 void CFGPrinterOutput::print_cfg(IR* blocks, const char* name) {
   print_begin("cfg");
   print("name \"%s\"", name);
   PrintBlockClosure print_block;
   blocks->iterate_preorder(&print_block);
   print_end("cfg");
   output()->flush();
 }
 void CFGPrinterOutput::print_intervals(IntervalList* intervals, const char* name) {
   print_begin("intervals");
   print("name \"%s\"", name);
   for (int i = 0; i < intervals->length(); i++) {
     if (intervals->at(i) != NULL) {
       intervals->at(i)->print(output());
     }
   }
   print_end("intervals");
   output()->flush();
 }
 #endif

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/c1/c1_CFGPrinter.cpp@f02a8bbe6ed4 (annotated)

src/share/vm/c1/c1_CFGPrinter.cpp