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eca2bb1334
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71 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
Chris Lattner
a09bba3302 implement the rest of the instructions 
llvm-svn: 36699
 2007-05-03 22:04:19 +00:00
Chris Lattner
09cc7ca696 add a few more instructions, getting close 
llvm-svn: 36688
 2007-05-03 18:58:09 +00:00
Chris Lattner
972e049d0d add reader logic for terminator instrs. 
llvm-svn: 36642
 2007-05-02 05:46:45 +00:00
Chris Lattner
10c4095f00 add reader support for a bunch of new instructions 
llvm-svn: 36641
 2007-05-02 05:16:49 +00:00
Chris Lattner
df04f1b80e read a few instructions, fix some bugs. This is enough to be able to round 
trip function bodies like this:

define <2 x i64> @foo(<2 x i64> %x, <2 x i64> %y) {
        %tmp4 = bitcast <2 x i64> %y to <8 x i16>               ; <<8 x i16>> [#uses=1]
        %tmp5 = bitcast <2 x i64> %x to <8 x i16>               ; <<8 x i16>> [#uses=1]
        %tmp = add <8 x i16> %tmp5, %tmp4               ; <<8 x i16>> [#uses=1]
        %tmp6 = bitcast <8 x i16> %tmp to <2 x i64>             ; <<2 x i64>> [#uses=1]
        ret <2 x i64> %tmp6
}

llvm-svn: 36640
 2007-05-02 04:27:25 +00:00
Chris Lattner
f81f6e154c use the correct code for binop instrs 
llvm-svn: 36639
 2007-05-02 04:26:36 +00:00
Chris Lattner
699d9b76c1 fix build with non-buggy compilers 
llvm-svn: 36621
 2007-05-01 07:03:37 +00:00
Chris Lattner
4795aed9ec handle function-level forward references, read binops. 
llvm-svn: 36620
 2007-05-01 07:01:57 +00:00
Chris Lattner
6528334ab7 implement materializeModule, force deallocation of vector memory when we 
are done with them, start implementing ParseFunctionBody

llvm-svn: 36617
 2007-05-01 05:52:21 +00:00
Chris Lattner
7544cfb05c The stream to read from is now an ivar 
llvm-svn: 36615
 2007-05-01 05:01:34 +00:00
Chris Lattner
cfd5b13e25 implement scafolding for lazy deserialization of function bodies 
llvm-svn: 36614
 2007-05-01 04:59:48 +00:00
Chris Lattner
f7ccdfbcc4 write the symbol table for function bodies 
llvm-svn: 36610
 2007-05-01 02:14:57 +00:00
Chris Lattner
14cd3180ca encode all of the instructions. 
llvm-svn: 36609
 2007-05-01 02:13:26 +00:00
Anton Korobeynikov
081d3bdd9f Implement visibility checking during linking. Also implement protected 
visibility support for bitcode.

llvm-svn: 36577
 2007-04-29 20:56:48 +00:00
Chris Lattner
eee1022086 Switch the bitcode reader interface to take a MemoryBuffer instead of knowing 
anything about disk I/O itself.  This greatly simplifies its interface -
eliminating the need for the ReaderWrappers.cpp file.

This adds a new option to llvm-dis (-bitcode) which instructs it to read
the input file as bitcode.  Until/unless the bytecode reader is taught to
read from MemoryBuffer, there is no way to handle stdin reading without it.

I don't plan to switch the bytecode reader over, I'd rather delete it :),
so the option will stay around temporarily.

llvm-svn: 36554
 2007-04-29 07:54:31 +00:00
Chris Lattner
5e7db3efcd Fix this to use the right block ID 
llvm-svn: 36550
 2007-04-29 05:49:09 +00:00
Chris Lattner
ffbd0c541a moved Writer.cpp -> BitcodeWriter.cpp to make it more unique in the tree. 
llvm-svn: 36549
 2007-04-29 05:31:57 +00:00
Anton Korobeynikov
07528e335c This is not "FIXME" anymore 
llvm-svn: 36541
 2007-04-28 14:57:59 +00:00
Chris Lattner
a9228a9ef7 start code for writing out instructions. Separate BB#s from normal value 
#'s.

llvm-svn: 36472
 2007-04-26 05:53:54 +00:00
Chris Lattner
0a07635bdd enumerate BB's separately from other function values. 
llvm-svn: 36467
 2007-04-26 04:42:16 +00:00
Chris Lattner
c1acf6a1af add support for incorporating and purging functions to the value enumerator 
llvm-svn: 36465
 2007-04-26 03:50:57 +00:00
Chris Lattner
c6037e4be4 improve a comment 
llvm-svn: 36464
 2007-04-26 03:32:43 +00:00
Chris Lattner
726ec35588 move some code around, fix a bug in the reader reading globalinits (which 
I just introduced), stub out function reading, purge aggregate values from
the value table before reading functions.

llvm-svn: 36463
 2007-04-26 03:27:58 +00:00
Chris Lattner
c5a4c7c69a add bitcode alias support 
llvm-svn: 36461
 2007-04-26 02:46:40 +00:00