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path: root/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
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* Make a preemptive bitcode format change to support PR1146. This lets us doChris Lattner2007-05-081-4/+23
| | | | | | | pr1146 in llvm 2.1 without ugly code to emulate old behavior. This should be merged into the 2.0 release branch. llvm-svn: 36928
* Flush the file after writing bitcode so that clients who don't close theirChris Lattner2007-05-061-0/+3
| | | | | | ofstreams will be ok. llvm-svn: 36878
* Unbreak VC++.Jeff Cohen2007-05-061-1/+1
| | | | llvm-svn: 36831
* add abbrevs for binops and casts. This shrinks a testcase from 725132->682500Chris Lattner2007-05-061-3/+29
| | | | | | bytes. llvm-svn: 36829
* implement reading/writing of inlineasm objectsChris Lattner2007-05-061-6/+16
| | | | llvm-svn: 36827
* add some abbrevs for ret and unreachable, shrinking kc++ from 2717360->2705388Chris Lattner2007-05-061-3/+31
| | | | llvm-svn: 36823
* add a denser encoding for null terminated strings, add a 6-bit abbrev asChris Lattner2007-05-061-8/+36
| | | | | | well. This shrinks kc++ from 2724088 to 2717360 bytes. llvm-svn: 36821
* add an abbreviation for the string constants opzn, shrinking the constnatsChris Lattner2007-05-061-5/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | block from: Block ID #11 (CONSTANTS_BLOCK): Num Instances: 1722 Total Size: 3.85976e+06b/482470B/120617W % of file: 16.7609 Average Size: 2241.44b/280.18B/70.045W Tot/Avg SubBlocks: 0/0 Tot/Avg Abbrevs: 1/0.00058072 Tot/Avg Records: 26423/15.3444 % Abbrev Recs: 69.1746 to: Block ID #11 (CONSTANTS_BLOCK): Num Instances: 1724 Total Size: 2.62406e+06b/328008B/82001.9W % of file: 12.041 Average Size: 1522.08b/190.26B/47.5649W Tot/Avg SubBlocks: 0/0 Tot/Avg Abbrevs: 2/0.00116009 Tot/Avg Records: 26280/15.2436 % Abbrev Recs: 68.9992 This shrinks kc++ from 2815788 to 2724088 bytes, which means the bitcode file is now smaller than the bytecode file. llvm-svn: 36820
* implement the 'string constant' optimization. This shrinks kc.bit fromChris Lattner2007-05-061-0/+6
| | | | | | 2878544 to 2815788 llvm-svn: 36818
* further reduce the redundancy of types in the instruction encoding. ThisChris Lattner2007-05-061-20/+12
| | | | | | shrinks function bodies in kc++ from 891913B to 884073B llvm-svn: 36817
* stop encoding type/value pairs when the type is implied by the value.Chris Lattner2007-05-061-35/+48
| | | | | | This shrinks the function block of kc++ from 1055K to 906K llvm-svn: 36816
* add an abbrev for loads. This shrinks the function block about 50K, from:Chris Lattner2007-05-051-1/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | 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
* add abbrevs for the constants tables. This shrinks it from 4.49755e6 bitsChris Lattner2007-05-051-61/+123
| | | | | | to 3.85972e6 bits in kc++ llvm-svn: 36778
* Add abbreviations to the TYPE_BLOCK for pointers, functions, structs and arrays.Chris Lattner2007-05-051-3/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* add a char6 abbrev for bbnames and value names. This represents each characterChris Lattner2007-05-051-12/+30
| | | | | | | | | | | | | | | | | | | | | 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
* add an abbreviation for the type symtab, this shrinks the TST from 175197 bitsChris Lattner2007-05-051-8/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Implement support for globally associating abbrevs with block IDs, whichChris Lattner2007-05-051-42/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* allow the 8-bit abbrev to be used for either bb or other valuesChris Lattner2007-05-041-6/+6
| | | | llvm-svn: 36761
* shave another 150K off of kc++, by using a 7-bit encoding for BB namesChris Lattner2007-05-041-1/+12
| | | | | | | | | | | | | | | | | | 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
* where possible, encode symtab names with 7 bits per char instead of 8. ThisChris Lattner2007-05-041-11/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Encode all value symtab strings as arrays of 8-bit fixed width integers,Chris Lattner2007-05-041-15/+15
| | | | | | | instead of the default inefficient encoding. This shrinks kc++ from 4134K to 3629K llvm-svn: 36755
* eliminate internal length fields from record. Records already know theirChris Lattner2007-05-041-11/+12
| | | | | | total length llvm-svn: 36752
* stub out creation of BLOCKINFO_BLOCKChris Lattner2007-05-041-0/+25
| | | | llvm-svn: 36749
* fix encoding of invoke instructions. kc++ now round tripsChris Lattner2007-05-041-1/+0
| | | | llvm-svn: 36737
* encode and read param attrs along with function type. WE can now roundtrip ↵Chris Lattner2007-05-041-2/+2
| | | | | | Olden/voronoi loslessly llvm-svn: 36735
* fix a bug encoding param attrsChris Lattner2007-05-041-1/+1
| | | | llvm-svn: 36730
* add writer support for param attrsChris Lattner2007-05-041-1/+15
| | | | llvm-svn: 36724
* trivial scaffolding for param attrsChris Lattner2007-05-041-0/+12
| | | | llvm-svn: 36720
* Encoding calling conv info in call/invoke instrs, tree add now round trips ↵Chris Lattner2007-05-031-2/+3
| | | | | | completely llvm-svn: 36707
* don't bother encoding # varargsChris Lattner2007-05-031-1/+0
| | | | llvm-svn: 36705
* fix encoding of BB names in the symtabChris Lattner2007-05-031-4/+10
| | | | llvm-svn: 36704
* add reader logic for terminator instrs.Chris Lattner2007-05-021-2/+0
| | | | llvm-svn: 36642
* use the correct code for binop instrsChris Lattner2007-05-021-1/+1
| | | | llvm-svn: 36639
* fix build with non-buggy compilersChris Lattner2007-05-011-10/+11
| | | | llvm-svn: 36621
* write the symbol table for function bodiesChris Lattner2007-05-011-30/+33
| | | | llvm-svn: 36610
* encode all of the instructions.Chris Lattner2007-05-011-3/+166
| | | | llvm-svn: 36609
* Implement visibility checking during linking. Also implement protectedAnton Korobeynikov2007-04-291-2/+3
| | | | | | visibility support for bitcode. llvm-svn: 36577
* Fix this to use the right block IDChris Lattner2007-04-291-3/+1
| | | | llvm-svn: 36550
* moved Writer.cpp -> BitcodeWriter.cpp to make it more unique in the tree.Chris Lattner2007-04-291-1/+1
| | | | llvm-svn: 36549
* start code for writing out instructions. Separate BB#s from normal valueChris Lattner2007-04-261-1/+66
| | | | | | #'s. llvm-svn: 36472
* add support for incorporating and purging functions to the value enumeratorChris Lattner2007-04-261-1/+3
| | | | llvm-svn: 36465
* improve a commentChris Lattner2007-04-261-3/+5
| | | | llvm-svn: 36464
* move some code around, fix a bug in the reader reading globalinits (whichChris Lattner2007-04-261-66/+86
| | | | | | | I just introduced), stub out function reading, purge aggregate values from the value table before reading functions. llvm-svn: 36463
* add bitcode alias supportChris Lattner2007-04-261-0/+12
| | | | llvm-svn: 36461
* implement reading and writing of constant exprs.Chris Lattner2007-04-241-9/+97
| | | | llvm-svn: 36394
* fix off-by-one computing size for section abbrevsChris Lattner2007-04-241-1/+1
| | | | llvm-svn: 36388
* Emit module-level constants.Chris Lattner2007-04-241-4/+111
| | | | llvm-svn: 36384
* write out the symtab for globals.Chris Lattner2007-04-231-33/+70
| | | | llvm-svn: 36374
* implement reading of abbrevs, and writing of abbreviated global varrs.Chris Lattner2007-04-231-3/+7
| | | | llvm-svn: 36367
* first part of implementation of abbrevs. The writer isn't fully there yet ↵Chris Lattner2007-04-231-6/+39
| | | | | | | | and the reader doesn't handle them at all yet. llvm-svn: 36363
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