TraceOptoParse output example

gistfile1.txt

  static int doit();
    flags: ACC_STATIC
    Code:
      stack=2, locals=2, args_size=0
         0: iconst_0      
         1: istore_0      
         2: iconst_0      
         3: istore_1      
         4: iload_1       
         5: bipush        100
         7: if_icmpge     20
        10: iload_0       
        11: iload_1       
        12: iadd          
        13: istore_0      
        14: iinc          1, 1
        17: goto          4
        20: iload_0       
        21: ireturn       
      LineNumberTable:
        line 10: 0
        line 11: 2
        line 12: 20
      StackMapTable: number_of_entries = 2
           frame_type = 253 /* append */
             offset_delta = 4
        locals = [ int, int ]
           frame_type = 250 /* chop */
          offset_delta = 15

$ ~/jdk1.7.0-b147/fastdebug/bin/java -XX:+TraceOptoParse -XX:+PrintCompilation -XX:CICompilerCount=1 sum
VM option '+TraceOptoParse'
VM option '+PrintCompilation'
VM option 'CICompilerCount=1'
    269    1             sum::doit (22 bytes)
Merging state at block #0 bci:0 with empty state on path 1
Parsing block #0 at bci [0,4), successors:  1
 @ bci:0 @ bci:1 @ bci:2 @ bci:3Merging state at block #1 bci:4 with empty state on path 1
Parsing block #1 at bci [4,10), successors:  2 4
 @ bci:4 @ bci:5 @ bci:7Merging state at block #2 bci:10 with empty state on path 2
Uncommon trap reason='predicate' action='maybe_recompile' at bci:10
Uncommon trap reason='loop_limit_check' action='maybe_recompile' at bci:10
Parsing block #2 at bci [10,20), successors:  3  lphd
 @ bci:10 @ bci:11 @ bci:12 @ bci:13 @ bci:14 @ bci:17Merging state at block #3 bci:4 with empty state on path 1
Parsing block #3 at bci [4,10), successors:  2 4
 @ bci:4 @ bci:5 @ bci:7Merging state at block #4 bci:20 with empty state on path 2
Merging state at block #2 bci:10 with previous state on path 1
Parsing block #4 at bci [20,22), successors: 
 @ bci:20 @ bci:21    301    1 %           sum::doit @ 4 (22 bytes)
Merging state at block #0 bci:4 with empty state on path 1
Parsing block #0 at bci [4,10), successors:  1 3
 @ bci:4 @ bci:5 @ bci:7Merging state at block #3 bci:20 with empty state on path 2
Merging state at block #1 bci:10 with empty state on path 2
Uncommon trap reason='predicate' action='maybe_recompile' at bci:10
Uncommon trap reason='loop_limit_check' action='maybe_recompile' at bci:10
Parsing block #1 at bci [10,20), successors:  2  lphd
 @ bci:10 @ bci:11 @ bci:12 @ bci:13 @ bci:14 @ bci:17Merging state at block #2 bci:4 with empty state on path 1
Parsing block #2 at bci [4,10), successors:  1 3
 @ bci:4 @ bci:5 @ bci:7Merging state at block #3 bci:20 with previous state on path 1
Merging state at block #1 bci:10 with previous state on path 1
Parsing block #3 at bci [20,22), successors: 
 @ bci:20 @ bci:21    305    2 % !         sum::main @ 4 (34 bytes)
Merging state at block #0 bci:4 with empty state on path 1
Parsing block #0 at bci [4,10), successors:  1 3
 @ bci:4 @ bci:5 @ bci:7Merging state at block #3 bci:23 with empty state on path 2
Merging state at block #1 bci:10 with empty state on path 2
Uncommon trap reason='predicate' action='maybe_recompile' at bci:10
Uncommon trap reason='loop_limit_check' action='maybe_recompile' at bci:10
Parsing block #1 at bci [10,23), successors:  2  lphd
 @ bci:10 @ bci:11Merging state at block #0 bci:0 with empty state on path 1
Parsing block #0 at bci [0,4), successors:  1
 @ bci:0 @ bci:1 @ bci:2 @ bci:3Merging state at block #1 bci:4 with empty state on path 1
Parsing block #1 at bci [4,10), successors:  2 4
 @ bci:4 @ bci:5 @ bci:7Merging state at block #2 bci:10 with empty state on path 2
Uncommon trap reason='predicate' action='maybe_recompile' at bci:10
Uncommon trap reason='loop_limit_check' action='maybe_recompile' at bci:10
Parsing block #2 at bci [10,20), successors:  3  lphd
 @ bci:10 @ bci:11 @ bci:12 @ bci:13 @ bci:14 @ bci:17Merging state at block #3 bci:4 with empty state on path 1
Parsing block #3 at bci [4,10), successors:  2 4
 @ bci:4 @ bci:5 @ bci:7Merging state at block #4 bci:20 with empty state on path 2
Merging state at block #2 bci:10 with previous state on path 1
Parsing block #4 at bci [20,22), successors: 
 @ bci:20 @ bci:21 @ bci:14 @ bci:15 @ bci:16 @ bci:17 @ bci:20Merging state at block #2 bci:4 with empty state on path 1
Parsing block #2 at bci [4,10), successors:  1 3
 @ bci:4 @ bci:5 @ bci:7Merging state at block #3 bci:23 with previous state on path 1
Merging state at block #1 bci:10 with previous state on path 1
Parsing block #3 at bci [23,29), successors:  4 5(e)
 @ bci:23 @ bci:26Merging state at block #5 bci:32 with empty state on path 1
Merging state at block #4 bci:29 with empty state on path 1
Parsing block #4 at bci [29,32), successors:  6
 @ bci:29Merging state at block #6 bci:33 with empty state on path 2
Parsing block #5 at bci [32,33), successors:  6
 @ bci:32Merging state at block #6 bci:33 with previous state on path 1
Parsing block #6 at bci [33,34), successors: