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b865b049eb
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18662 Commits

Author SHA1 Message Date
Chris Lattner
b865b049eb add an abbrev for loads. This shrinks the function block about 50K, from: 
Block ID #12 (FUNCTION_BLOCK):
      Num Instances: 2344
         Total Size: 8.8434e+06b/1.10542e+06B/276356W
          % of file: 35.6726
       Average Size: 3772.78b/471.598B/117.899W
  Tot/Avg SubBlocks: 4065/1.73422
    Tot/Avg Abbrevs: 0/0
    Tot/Avg Records: 128487/54.8153
      % Abbrev Recs: 0

to:

 Block ID #12 (FUNCTION_BLOCK):
      Num Instances: 2344
         Total Size: 8.44518e+06b/1.05565e+06B/263912W
          % of file: 34.6203
       Average Size: 3602.89b/450.362B/112.59W
  Tot/Avg SubBlocks: 4065/1.73422
    Tot/Avg Abbrevs: 0/0
    Tot/Avg Records: 128487/54.8153
      % Abbrev Recs: 22.2077

llvm-svn: 36779
 2007-05-05 07:44:49 +00:00
Chris Lattner
db60118ac2 add abbrevs for the constants tables. This shrinks it from 4.49755e6 bits 
to 3.85972e6 bits in kc++

llvm-svn: 36778
 2007-05-05 07:36:14 +00:00
Chris Lattner
e5194cc663 Add abbreviations to the TYPE_BLOCK for pointers, functions, structs and arrays. 
This shrinks the type_block of kc++ from 139901 bits to 99389 bits (0.55% to 0.39%
of the file), a 40% reduction.

This shrink the record from:

  Block ID #10 (TYPE_BLOCK):
      Num Instances: 1
         Total Size: 139901b/17487.6B/4371.91W
          % of file: 0.549306
        Num Abbrevs: 0
        Num Records: 3203
      % Abbrev Recs: 0

to:

  Block ID #10 (TYPE_BLOCK):
      Num Instances: 1
         Total Size: 99389b/12423.6B/3105.91W
          % of file: 0.390862
        Num Abbrevs: 4
        Num Records: 3203
      % Abbrev Recs: 99.6566

With a common histogram of:

       Code Histogram:
                1613    POINTER
                1100    FUNCTION
                255     STRUCT
                224     ARRAY
                5       INTEGER
                2       OPAQUE
                1       LABEL
                1       DOUBLE
                1       VOID
                1       NUMENTRY

llvm-svn: 36776
 2007-05-05 06:30:12 +00:00
Chris Lattner
750321383f Fix InstCombine/2007-05-04-Crash.ll and PR1384 
llvm-svn: 36775
 2007-05-05 01:59:31 +00:00
Chris Lattner
967ab6fe6b add a char6 abbrev for bbnames and value names. This represents each character 
with 6 bits where possible.  This shrinks kc++ from 3324164B to 3183584B.  The
old VST was:

  Block ID #14 (VALUE_SYMTAB):
         Total Size: 1.26713e+07b/1.58391e+06B/395978W
       Average Size: 5403.53b/675.442B/168.86W
          % of file: 47.6484

The new one is:

  Block ID #14 (VALUE_SYMTAB):
         Total Size: 1.15467e+07b/1.44334e+06B/360834W
       Average Size: 4923.96b/615.495B/153.874W
          % of file: 45.3368

This is 11% smaller than the VST in the bytecode format.

llvm-svn: 36771
 2007-05-05 01:26:50 +00:00
Chris Lattner
277c22f0a9 add an abbreviation for the type symtab, this shrinks the TST from 175197 bits 
to 103165 bits:

Old:
  Block ID #13 (TYPE_SYMTAB):
      Num Instances: 1
         Total Size: 175197b/21899.6B/5474.91W
       Average Size: 175197b/21899.6B/5474.91W
          % of file: 0.657023
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 0/0
    Tot/Avg Records: 255/255
      % Abbrev Recs: 0

New:
  Block ID #13 (TYPE_SYMTAB):
      Num Instances: 1
         Total Size: 103165b/12895.6B/3223.91W
       Average Size: 103165b/12895.6B/3223.91W
          % of file: 0.387937
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 1/1
    Tot/Avg Records: 255/255
      % Abbrev Recs: 100

llvm-svn: 36769
 2007-05-05 00:47:19 +00:00
Chris Lattner
eca2bb1334 Implement support for globally associating abbrevs with block IDs, which 
relieves us from having to emit the abbrevs into each instance of the block.
This shrinks kc.bit from 3368K to 3333K, but will be a more significant win
once instructions are abbreviated.

The VST went from:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.29508e+07b/1.61885e+06B/404713W
       Average Size: 5522.73b/690.342B/172.585W
          % of file: 48.0645
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 7035/3
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 100

to:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.26713e+07b/1.58391e+06B/395978W
       Average Size: 5403.53b/675.442B/168.86W
          % of file: 47.5198
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 0/0
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 100

because we didn't emit the same 3 abbrevs 2345 times :)

llvm-svn: 36767
 2007-05-05 00:17:00 +00:00
Lauro Ramos Venancio
4e4a4e36dd Add a processor. 
llvm-svn: 36765
 2007-05-04 22:16:30 +00:00
Chris Lattner
28e448c9b5 allow the 8-bit abbrev to be used for either bb or other values 
llvm-svn: 36761
 2007-05-04 21:31:13 +00:00
Chris Lattner
b94c8f4ed8 shave another 150K off of kc++, by using a 7-bit encoding for BB names 
where we can.  This shrinks kc++'s down to 3368K, with a VST record of:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.29508e+07b/1.61885e+06B/404713W
       Average Size: 5522.73b/690.342B/172.585W
          % of file: 48.0645
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 7035/3
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 100

Isn't it nice to be able to optimizer bc size without touching the reader? :)

llvm-svn: 36759
 2007-05-04 20:58:35 +00:00
Chris Lattner
2eaf2a2e40 where possible, encode symtab names with 7 bits per char instead of 8. This 
shaves 110K off kc++ to 3514K.  Before:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.50425e+07b/1.88031e+06B/470077W
       Average Size: 6414.69b/801.837B/200.459W
          % of file: 51.8057
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 2345/1
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 85.1791

after:

  Block ID #14 (VALUE_SYMTAB):
      Num Instances: 2345
         Total Size: 1.41229e+07b/1.76536e+06B/441341W
       Average Size: 6022.56b/752.82B/188.205W
          % of file: 50.2295
  Tot/Avg SubBlocks: 0/0
    Tot/Avg Abbrevs: 4690/2
    Tot/Avg Records: 120924/51.5667
      % Abbrev Recs: 85.1791

llvm-svn: 36758
 2007-05-04 20:52:02 +00:00
Bill Wendling
dc82c5a195 Add an "implies" field to features. This indicates that, if the current 
feature is set, then the features in the implied list should be set also.
The opposite is also enforced: if a feature in the implied list isn't set,
then the feature that owns that implies list shouldn't be set either.

llvm-svn: 36756
 2007-05-04 20:38:40 +00:00
Chris Lattner
94c8c289d0 Encode all value symtab strings as arrays of 8-bit fixed width integers, 
instead of the default inefficient encoding.  This shrinks kc++ from 4134K
to 3629K

llvm-svn: 36755
 2007-05-04 20:34:50 +00:00
Chris Lattner
52cbac8a1a eliminate internal length fields from record. Records already know their 
total length

llvm-svn: 36752
 2007-05-04 19:11:41 +00:00
Chris Lattner
f0e3a89fed stub out creation of BLOCKINFO_BLOCK 
llvm-svn: 36749
 2007-05-04 18:26:27 +00:00
Duncan Sands
f2323ca89c A bitcast of a global variable may have been constant folded to a GEP - 
handle this case too.

llvm-svn: 36745
 2007-05-04 17:12:26 +00:00
Dan Gohman
a97484da91 Use IntrinsicInst to test for prefetch instructions, which is ever so 
slightly nicer than using CallInst with an extra check; thanks Chris.

llvm-svn: 36743
 2007-05-04 14:59:09 +00:00
Chris Lattner
ddc5d5ce50 optimize constant layout. This fixes encoding of 181.mcf (by ensuring 
integer structure idx's are emitted before constant expr geps) and shrinks
files slightly.  For example kc++ shrinks from 4326188 to 4240128 bytes.

llvm-svn: 36742
 2007-05-04 05:21:47 +00:00
Chris Lattner
f59434ceca simple optimization for the type table 
llvm-svn: 36741
 2007-05-04 05:05:48 +00:00
Chris Lattner
9f7278dff9 regenerate 
llvm-svn: 36740
 2007-05-04 04:01:37 +00:00
Chris Lattner
5c433c384d fix a bug where llvm-as couldn't assemble the .ll file for 252.eon. 
llvm-svn: 36739
 2007-05-04 04:01:07 +00:00
Chris Lattner
f403c9a42c storeinst ctor takes isvolatile before alignment. With this, 176.gcc roundtrips 
llvm-svn: 36738
 2007-05-04 03:57:30 +00:00
Chris Lattner
c0f186afab fix encoding of invoke instructions. kc++ now round trips 
llvm-svn: 36737
 2007-05-04 03:52:24 +00:00
Chris Lattner
0fa3401f43 fix a misplaced error 
llvm-svn: 36736
 2007-05-04 03:50:29 +00:00
Chris Lattner
2f3c85827e encode and read param attrs along with function type. WE can now roundtrip Olden/voronoi loslessly 
llvm-svn: 36735
 2007-05-04 03:41:34 +00:00
Chris Lattner
da3b0264f7 if functiontype is going to have a pointer to a paramattr object, it better 
be const.  The only way to get a pointer to these returns a const pointer.

llvm-svn: 36734
 2007-05-04 03:39:28 +00:00
Reid Spencer
68ab99ffb6 Bitcast all the bits of a floating point value, not just one. The zero 
extension is needed because the constructor for the Destination value
causes the APInt to have a bit width of 1.
Patch by Guoling Han.

llvm-svn: 36733
 2007-05-04 03:37:38 +00:00
Chris Lattner
ccb3d450ba add support for reading the param attrs block 
llvm-svn: 36731
 2007-05-04 03:30:17 +00:00
Chris Lattner
2eeffc8c5a fix a bug encoding param attrs 
llvm-svn: 36730
 2007-05-04 03:14:09 +00:00
Chris Lattner
36f37e3f99 remove dead code 
llvm-svn: 36728
 2007-05-04 03:02:54 +00:00
Chris Lattner
990f7492d6 add writer support for param attrs 
llvm-svn: 36724
 2007-05-04 02:59:04 +00:00
Reid Spencer
8148449b40 Allow this to compile with gcc 4.0.X 
llvm-svn: 36723
 2007-05-04 01:43:33 +00:00
Chris Lattner
13e18fdf09 pass by reference, not by value 
llvm-svn: 36721
 2007-05-04 00:45:24 +00:00
Chris Lattner
54a0a58b82 trivial scaffolding for param attrs 
llvm-svn: 36720
 2007-05-04 00:44:52 +00:00
Evan Cheng
658a4fc56f On Mac OS X, GV requires an extra load only when relocation-model is non-static. 
llvm-svn: 36718
 2007-05-04 00:26:58 +00:00
Evan Cheng
8c8b6ce116 Don't create indexed load / store with zero offset! 
llvm-svn: 36716
 2007-05-03 23:52:19 +00:00
Evan Cheng
8e5e87a16b Should never see an indexed load / store with zero offset. 
llvm-svn: 36714
 2007-05-03 23:30:36 +00:00
Dan Gohman
e4d5ae9fcd Allow strength reduction to make use of addressing modes for the 
address operand in a prefetch intrinsic.

llvm-svn: 36713
 2007-05-03 23:20:33 +00:00
Chris Lattner
21928b0039 enumerate parameter attr lists. 
llvm-svn: 36709
 2007-05-03 22:46:43 +00:00
Chris Lattner
76e0063529 Encoding calling conv info in call/invoke instrs, tree add now round trips completely 
llvm-svn: 36707
 2007-05-03 22:34:03 +00:00
Chris Lattner
96aa97284a the type field for a store is the type of the pointer, not the value. 
With this fix I can round trip treeaadd, only losing calling conv info.

llvm-svn: 36706
 2007-05-03 22:21:59 +00:00
Chris Lattner
83281f01ab don't bother encoding # varargs 
llvm-svn: 36705
 2007-05-03 22:19:34 +00:00
Chris Lattner
888ca49f41 fix encoding of BB names in the symtab 
llvm-svn: 36704
 2007-05-03 22:18:21 +00:00
Chris Lattner
e144600a5b bug fixes 
llvm-svn: 36701
 2007-05-03 22:09:51 +00:00
Jeff Cohen
d59084b6f6 Unbreak VC++ build. 
llvm-svn: 36700
 2007-05-03 22:09:21 +00:00
Chris Lattner
a09bba3302 implement the rest of the instructions 
llvm-svn: 36699
 2007-05-03 22:04:19 +00:00
Devang Patel
e0b9bd0e49 Use iterative while loop instead of recursive function call. 
llvm-svn: 36694
 2007-05-03 20:55:18 +00:00
Dale Johannesen
d28d0bac2a Evan's patch to avoid FPreg->intreg copy for cvt; store to mem 
llvm-svn: 36693
 2007-05-03 20:54:42 +00:00
Lauro Ramos Venancio
1d84c031a0 Debug support for arm-linux. 
Patch by Raul Herbster.

llvm-svn: 36690
 2007-05-03 20:28:35 +00:00
Chris Lattner
09cc7ca696 add a few more instructions, getting close 
llvm-svn: 36688
 2007-05-03 18:58:09 +00:00