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 #include "precompiled.hpp"
  26 #include "ci/ciCallProfile.hpp"
  27 #include "ci/ciExceptionHandler.hpp"
  28 #include "ci/ciInstanceKlass.hpp"
  29 #include "ci/ciMethod.hpp"
  30 #include "ci/ciMethodBlocks.hpp"
  31 #include "ci/ciMethodData.hpp"
  32 #include "ci/ciStreams.hpp"
  33 #include "ci/ciSymbol.hpp"
  34 #include "ci/ciReplay.hpp"
  35 #include "ci/ciUtilities.hpp"
  36 #include "classfile/systemDictionary.hpp"
  37 #include "compiler/abstractCompiler.hpp"
  38 #include "compiler/compilerOracle.hpp"
  39 #include "compiler/methodLiveness.hpp"
  40 #include "interpreter/interpreter.hpp"
  41 #include "interpreter/linkResolver.hpp"
  42 #include "interpreter/oopMapCache.hpp"
  43 #include "memory/allocation.inline.hpp"
  44 #include "memory/resourceArea.hpp"
  45 #include "oops/generateOopMap.hpp"
  46 #include "oops/oop.inline.hpp"
  47 #include "prims/nativeLookup.hpp"
  48 #include "runtime/deoptimization.hpp"
  49 #include "utilities/bitMap.inline.hpp"
  50 #include "utilities/xmlstream.hpp"
  51 #include "trace/tracing.hpp"
  52 #ifdef COMPILER2
  53 #include "ci/bcEscapeAnalyzer.hpp"
  54 #include "ci/ciTypeFlow.hpp"
  55 #include "oops/method.hpp"
  56 #endif
  57 #ifdef SHARK
  58 #include "ci/ciTypeFlow.hpp"

1027 ciMethodData* ciMethod::method_data_or_null() {
1028   ciMethodData *md = method_data();
1029   if (md->is_empty()) {
1030     return NULL;
1031   }
1032   return md;
1033 }
1034 
1035 // ------------------------------------------------------------------
1036 // ciMethod::ensure_method_counters
1037 //
1038 MethodCounters* ciMethod::ensure_method_counters() {
1039   check_is_loaded();
1040   VM_ENTRY_MARK;
1041   methodHandle mh(THREAD, get_Method());
1042   MethodCounters* method_counters = mh->get_method_counters(CHECK_NULL);
1043   return method_counters;
1044 }
1045 
1046 // ------------------------------------------------------------------
1047 // ciMethod::should_inline
1048 //
1049 // Should this method be inlined during compilation?
1050 bool ciMethod::should_inline() {
1051   check_is_loaded();
1052   VM_ENTRY_MARK;
1053   methodHandle mh(THREAD, get_Method());
1054   return CompilerOracle::should_inline(mh);
1055 }
1056 
1057 // ------------------------------------------------------------------
1058 // ciMethod::should_not_inline
1059 //
1060 // Should this method be disallowed from inlining during compilation?
1061 bool ciMethod::should_not_inline() {
1062   check_is_loaded();
1063   VM_ENTRY_MARK;
1064   methodHandle mh(THREAD, get_Method());
1065   return CompilerOracle::should_not_inline(mh);
1066 }
1067 
1068 // ------------------------------------------------------------------
1069 // ciMethod::should_print_assembly
1070 //
1071 // Should the compiler print the generated code for this method?
1072 bool ciMethod::should_print_assembly() {
1073   check_is_loaded();
1074   VM_ENTRY_MARK;
1075   methodHandle mh(THREAD, get_Method());
1076   return CompilerOracle::should_print(mh);
1077 }
1078 
1079 // ------------------------------------------------------------------
1080 // ciMethod::break_at_execute
1081 //
1082 // Should the compiler insert a breakpoint into the generated code
1083 // method?
1084 bool ciMethod::break_at_execute() {
1085   check_is_loaded();
1086   VM_ENTRY_MARK;
1087   methodHandle mh(THREAD, get_Method());
1088   return CompilerOracle::should_break_at(mh);
1089 }
1090 
1091 // ------------------------------------------------------------------
1092 // ciMethod::has_option
1093 //
1094 bool ciMethod::has_option(const char* option) {
1095   check_is_loaded();
1096   VM_ENTRY_MARK;
1097   methodHandle mh(THREAD, get_Method());
1098   return CompilerOracle::has_option_string(mh, option);
1099 }
1100 
1101 // ------------------------------------------------------------------
1102 // ciMethod::has_option_value
1103 //
1104 template<typename T>
1105 bool ciMethod::has_option_value(const char* option, T& value) {
1106   check_is_loaded();
1107   VM_ENTRY_MARK;
1108   methodHandle mh(THREAD, get_Method());
1109   return CompilerOracle::has_option_value(mh, option, value);
1110 }
1111 // Explicit instantiation for all OptionTypes supported.
1112 template bool ciMethod::has_option_value<intx>(const char* option, intx& value);
1113 template bool ciMethod::has_option_value<uintx>(const char* option, uintx& value);
1114 template bool ciMethod::has_option_value<bool>(const char* option, bool& value);
1115 template bool ciMethod::has_option_value<ccstr>(const char* option, ccstr& value);
1116 template bool ciMethod::has_option_value<double>(const char* option, double& value);
1117 
1118 // ------------------------------------------------------------------
1119 // ciMethod::can_be_compiled
1120 //
1121 // Have previous compilations of this method succeeded?
1122 bool ciMethod::can_be_compiled() {
1123   check_is_loaded();
1124   ciEnv* env = CURRENT_ENV;
1125   if (is_c1_compile(env->comp_level())) {
1126     return _is_c1_compilable;
1127   }
1128   return _is_c2_compilable;
1129 }
1130 
1131 // ------------------------------------------------------------------
1132 // ciMethod::set_not_compilable
1133 //
1134 // Tell the VM that this method cannot be compiled at all.
1135 void ciMethod::set_not_compilable(const char* reason) {
1136   check_is_loaded();
1137   VM_ENTRY_MARK;

  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 #include "precompiled.hpp"
  26 #include "ci/ciCallProfile.hpp"
  27 #include "ci/ciExceptionHandler.hpp"
  28 #include "ci/ciInstanceKlass.hpp"
  29 #include "ci/ciMethod.hpp"
  30 #include "ci/ciMethodBlocks.hpp"
  31 #include "ci/ciMethodData.hpp"
  32 #include "ci/ciStreams.hpp"
  33 #include "ci/ciSymbol.hpp"
  34 #include "ci/ciReplay.hpp"
  35 #include "ci/ciUtilities.hpp"
  36 #include "classfile/systemDictionary.hpp"
  37 #include "compiler/abstractCompiler.hpp"

  38 #include "compiler/methodLiveness.hpp"
  39 #include "interpreter/interpreter.hpp"
  40 #include "interpreter/linkResolver.hpp"
  41 #include "interpreter/oopMapCache.hpp"
  42 #include "memory/allocation.inline.hpp"
  43 #include "memory/resourceArea.hpp"
  44 #include "oops/generateOopMap.hpp"
  45 #include "oops/oop.inline.hpp"
  46 #include "prims/nativeLookup.hpp"
  47 #include "runtime/deoptimization.hpp"
  48 #include "utilities/bitMap.inline.hpp"
  49 #include "utilities/xmlstream.hpp"
  50 #include "trace/tracing.hpp"
  51 #ifdef COMPILER2
  52 #include "ci/bcEscapeAnalyzer.hpp"
  53 #include "ci/ciTypeFlow.hpp"
  54 #include "oops/method.hpp"
  55 #endif
  56 #ifdef SHARK
  57 #include "ci/ciTypeFlow.hpp"

1026 ciMethodData* ciMethod::method_data_or_null() {
1027   ciMethodData *md = method_data();
1028   if (md->is_empty()) {
1029     return NULL;
1030   }
1031   return md;
1032 }
1033 
1034 // ------------------------------------------------------------------
1035 // ciMethod::ensure_method_counters
1036 //
1037 MethodCounters* ciMethod::ensure_method_counters() {
1038   check_is_loaded();
1039   VM_ENTRY_MARK;
1040   methodHandle mh(THREAD, get_Method());
1041   MethodCounters* method_counters = mh->get_method_counters(CHECK_NULL);
1042   return method_counters;
1043 }
1044 
1045 // ------------------------------------------------------------------













































1046 // ciMethod::has_option
1047 //
1048 bool ciMethod::has_option(const char* option) {
1049   check_is_loaded();
1050   VM_ENTRY_MARK;
1051   methodHandle mh(THREAD, get_Method());
1052   return CompilerOracle::has_option_string(mh, option);
1053 }
1054 
1055 // ------------------------------------------------------------------
1056 // ciMethod::has_option_value
1057 //
1058 bool ciMethod::has_option_value(const char* option, double& value) {

1059   check_is_loaded();
1060   VM_ENTRY_MARK;
1061   methodHandle mh(THREAD, get_Method());
1062   return CompilerOracle::has_option_value(mh, option, value);
1063 }







1064 // ------------------------------------------------------------------
1065 // ciMethod::can_be_compiled
1066 //
1067 // Have previous compilations of this method succeeded?
1068 bool ciMethod::can_be_compiled() {
1069   check_is_loaded();
1070   ciEnv* env = CURRENT_ENV;
1071   if (is_c1_compile(env->comp_level())) {
1072     return _is_c1_compilable;
1073   }
1074   return _is_c2_compilable;
1075 }
1076 
1077 // ------------------------------------------------------------------
1078 // ciMethod::set_not_compilable
1079 //
1080 // Tell the VM that this method cannot be compiled at all.
1081 void ciMethod::set_not_compilable(const char* reason) {
1082   check_is_loaded();
1083   VM_ENTRY_MARK;