Chris Lattner
25dc891a3d
Do not throw away bits for no reason
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19378 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-08 19:32:59 +00:00
Reid Spencer
a7a5cc889c
Up the compression threshold to 64K so we avoid it for all but the largest
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bytecode files. This should help linking substantially.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18378 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-30 07:13:34 +00:00
Reid Spencer
f6a0acd64a
Remove zlib support in favor of our own bzip2 library
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18250 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-25 19:38:16 +00:00
Reid Spencer
ebf2bda8cd
Allow this to compile even on machines that HAVE the bzlib library but do
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NOT have the bzlib.h header file. Go figure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17989 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-19 15:56:28 +00:00
Reid Spencer
e3c6ad7e76
Implement the high level interface to make (de)compression easier.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17775 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-14 22:04:46 +00:00
Reid Spencer
580a1164d8
Tune compression:
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bzip2: block size 9 -> 5, reduces memory by 400Kbytes, doesn't affect speed
or compression ratio on all but the largest bytecode files (>1MB)
zip: level 9 -> 6, this speeds up compression time by ~30% but only
degrades the compressed size by a few bytes per megabyte. Those few
bytes aren't worth the effort.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17647 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-09 17:58:09 +00:00
Reid Spencer
047c009394
Excise the ill-advised RLCOMP compression algorithm and simply leave the
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previously temporary NULLCOMP implementation that merely copies the data
verbatim without compression. Also, don't warn if there's no compression
library as that is taken care of during configuration time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16654 91177308-0d34-0410-b5e6-96231b3b80d8
2004-10-04 17:45:44 +00:00
Reid Spencer
469c34bdeb
Add a context for the callback so different compression scenarios can be
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distinguished. Tidy up documentation. Thanks, Chris.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16652 91177308-0d34-0410-b5e6-96231b3b80d8
2004-10-04 17:29:25 +00:00
Chris Lattner
ebe989c491
Fix build if not HAVE_BZIP2
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16650 91177308-0d34-0410-b5e6-96231b3b80d8
2004-10-04 16:33:25 +00:00
Reid Spencer
460eb63612
First version of a support utility to provide generalized compression in
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LLVM that handles availability and unavailability of bzip2 and zlib.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16648 91177308-0d34-0410-b5e6-96231b3b80d8
2004-10-04 10:49:41 +00:00
