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80 Commits

Author SHA1 Message Date
Chris Lattner
2dd09dbdf7 eliminate VISIBILITY_HIDDEN from Transforms/Scalar. PR4861 
llvm-svn: 80766
 2009-09-02 06:11:42 +00:00
Andreas Bolka
5c2764b3e9 Simplify conditional. 
llvm-svn: 78889
 2009-08-13 03:05:20 +00:00
Andreas Bolka
aef432505b Simplify and reduce indentation using early exits. 
No intended functionality change.

llvm-svn: 78888
 2009-08-13 03:00:57 +00:00
Andreas Bolka
438ba80afa DEBUGify some DOUTs. 
llvm-svn: 78887
 2009-08-13 02:45:03 +00:00
Andreas Bolka
177a2f5313 Prune trailing whitespace. 
llvm-svn: 78886
 2009-08-13 02:40:50 +00:00
Mike Stump
d934cc06c6 Avoid build warnings. 
llvm-svn: 77271
 2009-07-27 23:14:11 +00:00
Daniel Dunbar
0dd5e1ed39 More migration to raw_ostream, the water has dried up around the iostream hole. 
- Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.

llvm-svn: 77019
 2009-07-25 00:23:56 +00:00
Dale Johannesen
1238220473 Adjust loop size estimate for full unrolling; 
GEP's don't usually become instructions.

llvm-svn: 69631
 2009-04-20 22:19:33 +00:00
Duncan Sands
5a913d61e3 Rename getAnalysisToUpdate to getAnalysisIfAvailable. 
llvm-svn: 63198
 2009-01-28 13:14:17 +00:00
Daniel Dunbar
7f39e2d85a Change create*Pass factory functions to return Pass* instead of 
LoopPass*.
 - Although less precise, this means they can be used in clients
   without RTTI (who would otherwise need to include LoopPass.h, which
   eventually includes things using dynamic_cast). This was the
   simplest solution that presented itself, but I am happy to use a
   better one if available.

llvm-svn: 58010
 2008-10-22 23:32:42 +00:00
Dan Gohman
a79db30d28 Tidy up several unbeseeming casts from pointer to intptr_t. 
llvm-svn: 55779
 2008-09-04 17:05:41 +00:00
Matthijs Kooijman
98b5c16e3b Add -unroll-allow-partial command line option that enabled the loop unroller to 
partially unroll a loop when fully unrolling would not fit under the threshold.

Patch by Mikael Lepistö.

llvm-svn: 54160
 2008-07-29 13:21:23 +00:00
Devang Patel
f94b9826b5 Preserve dom info. 
llvm-svn: 53089
 2008-07-03 07:04:22 +00:00
Dan Gohman
90071075e2 Use Loop::block_iterator. 
llvm-svn: 52616
 2008-06-22 20:18:58 +00:00
Duncan Sands
67933e6692 Bill pointed out that system headers should be 
included after local headers.

llvm-svn: 51187
 2008-05-16 09:30:00 +00:00
Duncan Sands
783cb2d76d Use of UINT_MAX requires climits, at least when 
compiling with gcc 4.3.

llvm-svn: 51145
 2008-05-15 11:22:50 +00:00
Dan Gohman
3dc2d92ebd Split the loop unroll mechanism logic out into a utility function. 
Patch by Matthijs Kooijman!

llvm-svn: 51083
 2008-05-14 00:24:14 +00:00
Dan Gohman
d78c400b5b Clean up the use of static and anonymous namespaces. This turned up 
several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017
 2008-05-13 00:00:25 +00:00
Dan Gohman
6a2da37c0e Make several variable declarations static. 
llvm-svn: 50696
 2008-05-06 01:53:16 +00:00
Nick Lewycky
4d43d3c72c Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989 
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.

llvm-svn: 50265
 2008-04-25 16:53:59 +00:00
Owen Anderson
7629b71dd4 Revert r49614. As Dan pointed out, some of these aren't correct. 
llvm-svn: 49657
 2008-04-14 17:38:21 +00:00
Owen Anderson
1f6fbc4bc3 Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2), 
which is significantly more efficient.

llvm-svn: 49614
 2008-04-13 19:15:17 +00:00
Devang Patel
b727960f78 Add comment. 
llvm-svn: 48567
 2008-03-19 23:05:52 +00:00
Devang Patel
924ca7f01d Update heuritics that estimates cost of call instructions. 
llvm-svn: 48474
 2008-03-17 23:41:20 +00:00
Nick Lewycky
11fc6f8765 Update the block cloner which fixes bugpoint on code using unwind_to (phew!) 
and also update the cloning interface's major user, the loop optimizations.

llvm-svn: 48088
 2008-03-09 05:24:34 +00:00
Anton Korobeynikov
579f07135a Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings. 
llvm-svn: 47367
 2008-02-20 11:08:44 +00:00
Nick Lewycky
efb16f7057 Be more careful modifying the use_list while also iterating through it. 
llvm-svn: 46417
 2008-01-27 18:35:00 +00:00
Wojciech Matyjewicz
30e434569e fix typo 
llvm-svn: 45594
 2008-01-04 20:02:18 +00:00
Chris Lattner
f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Owen Anderson
b0dd27ee91 Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change. 
llvm-svn: 44348
 2007-11-27 03:43:35 +00:00
Devang Patel
b98d2050a2 If a value is incoming from outside the loop then the value does not need remapping and the value is never tracked through LastValueMap. 
llvm-svn: 43728
 2007-11-05 19:32:30 +00:00
Chris Lattner
2740694450 wrap some long lines. Major offenders that are left include 
gvn, gvnpre, dse, and predsimplify.  To see these, use:

  make check-line-length

llvm-svn: 40738
 2007-08-02 16:53:43 +00:00
Dan Gohman
8d40e4d965 Correct a few comments. 
llvm-svn: 37034
 2007-05-14 14:31:17 +00:00
Dan Gohman
2980d9da45 This patch extends the LoopUnroll pass to be able to unroll loops 
with unknown trip counts. This is left off by default, and a
command-line option enables it. It also begins to separate loop
unrolling into a utility routine; eventually it might be made usable
from other passes.

It currently works by inserting conditional branches between each
unrolled iteration, unless it proves that the trip count is a
multiple of a constant integer > 1, which it currently only does in
the rare case that the trip count expression is a Mul operator with
a ConstantInt operand. Eventually this information might be provided
by other sources, for example by a pass that peels/splits the loop
for this purpose.

llvm-svn: 36990
 2007-05-11 20:53:41 +00:00
Dan Gohman
2e1f804764 Fix various whitespace inconsistencies. 
llvm-svn: 36936
 2007-05-08 15:19:19 +00:00
Dan Gohman
49d08a57f5 Correct the comment for ApproximateLoopSize to reflect what it actually does. 
llvm-svn: 36935
 2007-05-08 15:14:19 +00:00
Chris Lattner
1077d2a30d Fix Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll and PR1385. 
If we have a LCSSA, only modify the input value if the inval was defined
by an instruction in the loop.  If defined by something before the loop,
it is still valid.

llvm-svn: 36784
 2007-05-05 18:49:57 +00:00
Chris Lattner
57d89a5a89 make a temporary for *SI, no functionality change. 
llvm-svn: 36782
 2007-05-05 18:36:36 +00:00
Devang Patel
8c78a0bff0 Drop 'const' 
llvm-svn: 36662
 2007-05-03 01:11:54 +00:00
Devang Patel
e95c6ad802 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
09f162ca6a Do not use typeinfo to identify pass in pass manager. 
llvm-svn: 36632
 2007-05-01 21:15:47 +00:00
Devang Patel
abdff3fecd Fix 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070416/047888.html

llvm-svn: 36182
 2007-04-16 23:03:45 +00:00
Devang Patel
9779e56c04 Now LoopUnroll is a LoopPass. 
llvm-svn: 34996
 2007-03-07 01:38:05 +00:00
Reid Spencer
29fe20a98b Guard against huge loop trip counts in an APInt safe way. 
llvm-svn: 34858
 2007-03-02 23:31:34 +00:00
Reid Spencer
557ab15e71 Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in 
the Transforms library. This reduces debug library size by 132 KB, debug
binary size by 376 KB, and reduces link time for llvm tools slightly.

llvm-svn: 33939
 2007-02-05 23:32:05 +00:00
Chris Lattner
1bfc7ab6a7 Switch inliner over to use DenseMap instead of std::map for ValueMap. This 
speeds up the inliner 16%.

llvm-svn: 33801
 2007-02-03 00:08:31 +00:00
Chris Lattner
024f4ab383 Adjust #includes to match movement of constant folding code from transformutils to libanalysis. 
llvm-svn: 33680
 2007-01-30 23:46:24 +00:00
Chris Lattner
79a42ac941 Switch over Transforms/Scalar to use the STATISTIC macro. For each statistic 
converted, we lose a static initializer.  This also allows GCC to emit warnings
about unused statistics.

llvm-svn: 32690
 2006-12-19 21:40:18 +00:00
Chris Lattner
700b873130 Detemplatize the Statistic class. The only type it is instantiated with 
is 'unsigned'.

llvm-svn: 32279
 2006-12-06 17:46:33 +00:00
Bill Wendling
5dbf43c983 Removed #include <iostream> and replaced with llvm_* streams. 
llvm-svn: 31923
 2006-11-26 09:46:52 +00:00