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05a3e3ea40
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174 Commits

Author SHA1 Message Date
Duncan Sands
05a3e3ea40 Give GlobalsModRef a whirl in the nightly testers. 
I placed it just before GVN because that it is the
pass most likely to benefit from it.  Some quick
and dirty testing confirms that this is a decent
place for it.

llvm-svn: 56144
 2008-09-12 08:23:37 +00:00
Devang Patel
c4040a69b7 Backout 55429 
llvm-svn: 55432
 2008-08-27 20:51:49 +00:00
Devang Patel
369cc38542 Add facility to create a target. 
llvm-svn: 55429
 2008-08-27 20:00:27 +00:00
Evan Cheng
91029f36ff Goodbye tail duplication (for good this time). 
llvm-svn: 53574
 2008-07-14 22:29:15 +00:00
Duncan Sands
2513505573 Fix comment. 
llvm-svn: 53525
 2008-07-13 20:14:38 +00:00
Chris Lattner
540afcff82 Fix PR2231 - opt -internalize -std-compile-opts should run internalize first 
llvm-svn: 53523
 2008-07-13 19:35:21 +00:00
Owen Anderson
15538467ae Re-enable the newly simplified ADCE. This fixes a regression on 
Dhrystone introduced by its removal.

llvm-svn: 51669
 2008-05-29 08:48:21 +00:00
Owen Anderson
9a9030f206 Remove ADCE from the optimization pipeline. 
llvm-svn: 51581
 2008-05-27 04:27:27 +00:00
Evan Cheng
2ad66b343d Re-enable tail duplication pass (now with default threshold down to 1 instruction). 
llvm-svn: 51184
 2008-05-16 07:57:10 +00:00
Evan Cheng
0a854f3b63 Remove tail duplication pass. 
llvm-svn: 51139
 2008-05-15 07:43:15 +00:00
Devang Patel
61c4c1d7a1 Recover nestedloop regression reported by nightly tester. 
llvm-svn: 51110
 2008-05-14 18:04:30 +00:00
Devang Patel
06f96f31ce Do not run instruction combiner in middle of loop optimization passes. 
llvm-svn: 51084
 2008-05-14 00:26:11 +00:00
Owen Anderson
e34787f5c0 Re-enable loop deletion by default. 
llvm-svn: 50941
 2008-05-10 07:10:24 +00:00
Owen Anderson
3743bcf042 Disable loop deletion until the release branch. 
llvm-svn: 50787
 2008-05-06 23:56:34 +00:00
Owen Anderson
6f1d91a6c5 Enable dead loop elimination. 
llvm-svn: 50682
 2008-05-05 23:38:07 +00:00
Chris Lattner
7b9b1fe01a move libcalls to the same place llvm-gcc has it. 
llvm-svn: 50593
 2008-05-02 22:05:06 +00:00
Chris Lattner
c9547a13e5 enable jump threading pass by default. This causes no miscompilations 
and can significantly shrinkify some code, particularly from C++ land.

llvm-svn: 50025
 2008-04-21 04:22:09 +00:00
Duncan Sands
55efcf86e9 Run SimplifyLibCalls near the beginning, not at 
the end.  It is now run at the same moment as in
llvm-gcc.  Also, run StripDeadPrototypes at the
end, just before running DeadTypeElimination.
This may be useful when doing LTO.  Note that
llvm-gcc runs StripDeadPrototypes but not
DeadTypeElimination.

llvm-svn: 49848
 2008-04-17 12:03:38 +00:00
Evan Cheng
c0aac87374 Move memcpy / memset optimization pass after GVN. 
llvm-svn: 49457
 2008-04-10 01:33:05 +00:00
Owen Anderson
ca7e0e21f3 Factor a bunch of functionality related to memcpy and memset transforms out of 
GVN and into its own pass.

llvm-svn: 49419
 2008-04-09 08:23:16 +00:00
Chris Lattner
309aeb140b remove attributions from tools. 
llvm-svn: 45421
 2007-12-29 20:44:31 +00:00
Dan Gohman
2e8245a376 Move the space in overview output for commands out of each of the 
commands and into the common code.

llvm-svn: 42752
 2007-10-08 15:45:12 +00:00
Owen Anderson
b1388b7afb Turn GVN on by default. 
llvm-svn: 41787
 2007-09-08 22:23:52 +00:00
Devang Patel
db7970eac9 Enable loop index split pass. 
llvm-svn: 41714
 2007-09-04 20:46:58 +00:00
Owen Anderson
58e64df595 Rename FastDSE to just DSE. 
llvm-svn: 40668
 2007-08-01 06:36:51 +00:00
Dan Gohman
db1974dd16 Remove a FIXME comment that wasn't removed when the code it accompanied 
was removed.

llvm-svn: 40591
 2007-07-30 15:01:09 +00:00
Owen Anderson
3a6871f519 Turn on FastDSE by default. 
Note: FastDSE now equals or exceeds the results of old DSE on all of SPEC2000 and SPEC2006. Unless major problems
show up in the testers, it will likely completely replace old DSE in the near future.

llvm-svn: 39986
 2007-07-17 21:59:21 +00:00
Evan Cheng
b01b386dd4 Change sroa threshold back. 
llvm-svn: 39980
 2007-07-17 20:07:21 +00:00
Evan Cheng
49c8647315 Temporarily set SROA threshold to 512. 
llvm-svn: 39950
 2007-07-17 01:52:05 +00:00
Gabor Greif
5f705671e4 Here is the bulk of the sanitizing. 
Almost all occurrences of "bytecode" in the sources have been eliminated.

llvm-svn: 37913
 2007-07-05 17:07:56 +00:00
Devang Patel
aba2f3de85 Fix PR1539. Add LoopPassPrinter. 
llvm-svn: 37909
 2007-07-05 15:32:03 +00:00
Devang Patel
9eeed9a5bd Fix PR 1526. 
llvm-svn: 37780
 2007-06-28 23:09:25 +00:00
Chris Lattner
e24a5def42 use the new MemoryBuffer interfaces to simplify error reporting in clients. 
llvm-svn: 36900
 2007-05-06 23:45:49 +00:00
Chris Lattner
39232ed3e4 make sure the ofstream for opt's output file is destroyed, so that the bits 
actually land on disk.

llvm-svn: 36877
 2007-05-06 19:17:23 +00:00
Chris Lattner
ad70a3024f switch tools to bitcode from bytecode 
llvm-svn: 36872
 2007-05-06 09:32:02 +00:00
Chris Lattner
8d545b17bc add support to llvm-prof for reading from a bitcode file 
llvm-svn: 36836
 2007-05-06 04:43:00 +00:00
Chris Lattner
4a9c418915 if -bitcode is specified, read and write a bitcode file instead of a bytecode file. 
llvm-svn: 36830
 2007-05-06 02:42:03 +00:00
Devang Patel
cd45427a87 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
8ee9065162 Use 'static const char' instead of 'static const int'. 
Due to darwin gcc bug, one version of darwin linker coalesces
static const int, which defauts PassID based pass identification.

llvm-svn: 36652
 2007-05-02 21:39:20 +00:00
Devang Patel
38a66bc82e Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Chris Lattner
876d03d9fa remove cruft 
llvm-svn: 36268
 2007-04-20 04:45:58 +00:00
Devang Patel
4c310f1c94 Enable loop rotate pass. 
llvm-svn: 35863
 2007-04-10 15:43:36 +00:00
Devang Patel
c35610b9f9 Now LoopUnswitch is a LoopPass. 
llvm-svn: 34992
 2007-03-07 00:26:10 +00:00
Chris Lattner
43d0b955a3 push bytecode decompressor out through APIs. Now the bytecode reader 
api's look like this:

ModuleProvider *getBytecodeModuleProvider(
  const std::string &Filename,  ///< Name of file to be read
  BCDecompressor_t *BCDC = Compressor::decompressToNewBuffer,
  std::string* ErrMsg = 0,      ///< Optional error message holder
  BytecodeHandler* H = 0        ///< Optional handler for reader events
);

This is ugly, but allows a client to say:

  getBytecodeModuleProvider("foo", 0);

If they do this, there is no dependency on the compression libraries, saving
codesize.

llvm-svn: 34012
 2007-02-07 21:41:02 +00:00
Reid Spencer
6af21b3029 For PR411: 
This patch replaces the SymbolTable class with ValueSymbolTable which does
not support types planes. This means that all symbol names in LLVM must now
be unique. The patch addresses the necessary changes to deal with this and
removes code no longer needed as a result. This completes the bulk of the
changes for this PR. Some cleanup patches will follow.

llvm-svn: 33918
 2007-02-05 20:47:22 +00:00
Reid Spencer
45d9d72ac0 For PR1072: 
Removing -raise has neglible positive or negative side effects so we are
opting to remove it. See the PR for comparison details.

llvm-svn: 33844
 2007-02-03 23:15:56 +00:00
Reid Spencer
aad0cad3e9 For PR1152: 
Step 1: Copy gccas functionality to opt. This endows opt with a new
-std-compile-opts option to get the set of optimization passes that
gccas used. It also adds -disable-inlining and -disable-opt which
both apply only if -std-compile-opts is given. The -strip-debug option
was also removed. It just makes sure that "-strip" gets done early and
is mostly there for compatibility with gccas. Finally, a new
-verify-each option will cause the verify pass to be run after each pass.

llvm-svn: 33786
 2007-02-02 14:46:29 +00:00
Chris Lattner
c2b59bba2a shutdown at end of run 
llvm-svn: 33697
 2007-01-31 04:45:28 +00:00
Chris Lattner
aa96731a27 default to emiting an uncompressed .bc file 
llvm-svn: 33420
 2007-01-21 06:34:18 +00:00
Bill Wendling
a3246c4272 Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are 
now cerr, cout, and NullStream resp.

llvm-svn: 32298
 2006-12-07 01:30:32 +00:00