2237 igvn.optimize();
2238 }
2239
2240 print_method(PHASE_ITER_GVN2, 2);
2241
2242 if (failing()) return;
2243
2244 // Loop transforms on the ideal graph. Range Check Elimination,
2245 // peeling, unrolling, etc.
2246 if(loop_opts_cnt > 0) {
2247 debug_only( int cnt = 0; );
2248 while(major_progress() && (loop_opts_cnt > 0)) {
2249 TracePhase tp("idealLoop", &timers[_t_idealLoop]);
2250 assert( cnt++ < 40, "infinite cycle in loop optimization" );
2251 PhaseIdealLoop ideal_loop( igvn, true);
2252 loop_opts_cnt--;
2253 if (major_progress()) print_method(PHASE_PHASEIDEALLOOP_ITERATIONS, 2);
2254 if (failing()) return;
2255 }
2256 }
2257
2258 {
2259 // Verify that all previous optimizations produced a valid graph
2260 // at least to this point, even if no loop optimizations were done.
2261 TracePhase tp("idealLoopVerify", &timers[_t_idealLoopVerify]);
2262 PhaseIdealLoop::verify(igvn);
2263 }
2264
2265 {
2266 TracePhase tp("macroExpand", &timers[_t_macroExpand]);
2267 PhaseMacroExpand mex(igvn);
2268 if (mex.expand_macro_nodes()) {
2269 assert(failing(), "must bail out w/ explicit message");
2270 return;
2271 }
2272 }
2273
2274 DEBUG_ONLY( _modified_nodes = NULL; )
2275 } // (End scope of igvn; run destructor if necessary for asserts.)
2276
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2237 igvn.optimize();
2238 }
2239
2240 print_method(PHASE_ITER_GVN2, 2);
2241
2242 if (failing()) return;
2243
2244 // Loop transforms on the ideal graph. Range Check Elimination,
2245 // peeling, unrolling, etc.
2246 if(loop_opts_cnt > 0) {
2247 debug_only( int cnt = 0; );
2248 while(major_progress() && (loop_opts_cnt > 0)) {
2249 TracePhase tp("idealLoop", &timers[_t_idealLoop]);
2250 assert( cnt++ < 40, "infinite cycle in loop optimization" );
2251 PhaseIdealLoop ideal_loop( igvn, true);
2252 loop_opts_cnt--;
2253 if (major_progress()) print_method(PHASE_PHASEIDEALLOOP_ITERATIONS, 2);
2254 if (failing()) return;
2255 }
2256 }
2257 // Ensure that major progress is now clear
2258 C->clear_major_progress();
2259
2260 {
2261 // Verify that all previous optimizations produced a valid graph
2262 // at least to this point, even if no loop optimizations were done.
2263 TracePhase tp("idealLoopVerify", &timers[_t_idealLoopVerify]);
2264 PhaseIdealLoop::verify(igvn);
2265 }
2266
2267 {
2268 TracePhase tp("macroExpand", &timers[_t_macroExpand]);
2269 PhaseMacroExpand mex(igvn);
2270 if (mex.expand_macro_nodes()) {
2271 assert(failing(), "must bail out w/ explicit message");
2272 return;
2273 }
2274 }
2275
2276 DEBUG_ONLY( _modified_nodes = NULL; )
2277 } // (End scope of igvn; run destructor if necessary for asserts.)
2278
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