67933e6692
Bill pointed out that system headers should be
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included after local headers.
llvm-svn: 51187
2008-05-16 09:30:00 +00:00
783cb2d76d
Use of UINT_MAX requires climits, at least when
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compiling with gcc 4.3.
llvm-svn: 51145
2008-05-15 11:22:50 +00:00
3dc2d92ebd
Split the loop unroll mechanism logic out into a utility function.
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Patch by Matthijs Kooijman!
llvm-svn: 51083
2008-05-14 00:24:14 +00:00
d78c400b5b
Clean up the use of static and anonymous namespaces. This turned up
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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
6a2da37c0e
Make several variable declarations static.
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llvm-svn: 50696
2008-05-06 01:53:16 +00:00
4d43d3c72c
Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989
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r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.
llvm-svn: 50265
2008-04-25 16:53:59 +00:00
7629b71dd4
Revert r49614. As Dan pointed out, some of these aren't correct.
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llvm-svn: 49657
2008-04-14 17:38:21 +00:00
1f6fbc4bc3
Replace calls of the form V1->setName(V2->getName()) with V1->takeName(V2),
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which is significantly more efficient.
llvm-svn: 49614
2008-04-13 19:15:17 +00:00
b727960f78
Add comment.
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llvm-svn: 48567
2008-03-19 23:05:52 +00:00
924ca7f01d
Update heuritics that estimates cost of call instructions.
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llvm-svn: 48474
2008-03-17 23:41:20 +00:00
11fc6f8765
Update the block cloner which fixes bugpoint on code using unwind_to (phew!)
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and also update the cloning interface's major user, the loop optimizations.
llvm-svn: 48088
2008-03-09 05:24:34 +00:00
579f07135a
Unbreak build with gcc 4.3: provide missed includes and silence most annoying warnings.
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llvm-svn: 47367
2008-02-20 11:08:44 +00:00
efb16f7057
Be more careful modifying the use_list while also iterating through it.
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llvm-svn: 46417
2008-01-27 18:35:00 +00:00
30e434569e
fix typo
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llvm-svn: 45594
2008-01-04 20:02:18 +00:00
f3ebc3f3d2
Remove attribution from file headers, per discussion on llvmdev.
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llvm-svn: 45418
2007-12-29 20:36:04 +00:00
b0dd27ee91
Make LoopInfoBase more generic, in preparation for having MachineLoopInfo. This involves a small interface change.
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llvm-svn: 44348
2007-11-27 03:43:35 +00:00
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.
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llvm-svn: 43728
2007-11-05 19:32:30 +00:00
2740694450
wrap some long lines. Major offenders that are left include
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gvn, gvnpre, dse, and predsimplify. To see these, use:
make check-line-length
llvm-svn: 40738
2007-08-02 16:53:43 +00:00
8d40e4d965
Correct a few comments.
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llvm-svn: 37034
2007-05-14 14:31:17 +00:00
2980d9da45
This patch extends the LoopUnroll pass to be able to unroll loops
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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
2e1f804764
Fix various whitespace inconsistencies.
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llvm-svn: 36936
2007-05-08 15:19:19 +00:00
49d08a57f5
Correct the comment for ApproximateLoopSize to reflect what it actually does.
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llvm-svn: 36935
2007-05-08 15:14:19 +00:00
1077d2a30d
Fix Transforms/LoopUnroll/2007-05-05-UnrollMiscomp.ll and PR1385.
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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
57d89a5a89
make a temporary for *SI, no functionality change.
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llvm-svn: 36782
2007-05-05 18:36:36 +00:00
8c78a0bff0
Drop 'const'
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llvm-svn: 36662
2007-05-03 01:11:54 +00:00
e95c6ad802
Use 'static const char' instead of 'static const int'.
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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
09f162ca6a
Do not use typeinfo to identify pass in pass manager.
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llvm-svn: 36632
2007-05-01 21:15:47 +00:00
abdff3fecd
Fix
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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
9779e56c04
Now LoopUnroll is a LoopPass.
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llvm-svn: 34996
2007-03-07 01:38:05 +00:00
29fe20a98b
Guard against huge loop trip counts in an APInt safe way.
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llvm-svn: 34858
2007-03-02 23:31:34 +00:00
557ab15e71
Apply the VISIBILITY_HIDDEN field to the remaining anonymous classes in
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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
1bfc7ab6a7
Switch inliner over to use DenseMap instead of std::map for ValueMap. This
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speeds up the inliner 16%.
llvm-svn: 33801
2007-02-03 00:08:31 +00:00
024f4ab383
Adjust #includes to match movement of constant folding code from transformutils to libanalysis.
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llvm-svn: 33680
2007-01-30 23:46:24 +00:00
79a42ac941
Switch over Transforms/Scalar to use the STATISTIC macro. For each statistic
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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
700b873130
Detemplatize the Statistic class. The only type it is instantiated with
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is 'unsigned'.
llvm-svn: 32279
2006-12-06 17:46:33 +00:00
5dbf43c983
Removed #include <iostream> and replaced with llvm_* streams.
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llvm-svn: 31923
2006-11-26 09:46:52 +00:00
de46e48420
For PR786:
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Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.
llvm-svn: 31380
2006-11-02 20:25:50 +00:00
e0fc4dfc22
For PR950:
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This patch implements the first increment for the Signless Types feature.
All changes pertain to removing the ConstantSInt and ConstantUInt classes
in favor of just using ConstantInt.
llvm-svn: 31063
2006-10-20 07:07:24 +00:00
a8a2e5c666
Clean up a bit.
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llvm-svn: 29950
2006-08-29 06:10:56 +00:00
62c84fe371
Make LoopUnroll fold excessive BasicBlocks. This results in a significant speedup of
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gccas on 252.eon
llvm-svn: 29936
2006-08-28 02:09:46 +00:00
c2d3d3112e
eliminate RegisterOpt. It does the same thing as RegisterPass.
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llvm-svn: 29925
2006-08-27 22:42:52 +00:00
403b95af47
Fix a crash related to updating Phi nodes in the original header block. This was
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causing a crash in 175.vpr
llvm-svn: 29887
2006-08-25 22:13:55 +00:00
e001d811ba
Implement unrolling of multiblock loops. This significantly improves the
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utility of the LoopUnroll pass.
Also, add a testcase for multiblock-loop unrolling.
llvm-svn: 29859
2006-08-24 21:28:19 +00:00
1b928478aa
Minor comment tweaks
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llvm-svn: 29226
2006-07-20 19:06:16 +00:00
8ef4c92ef8
Add an assertion.
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llvm-svn: 29199
2006-07-19 05:48:45 +00:00
aba8c199dd
Make LoopUnroll not die on LCSSA Phis. This makes lencod work again.
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llvm-svn: 29198
2006-07-19 05:45:14 +00:00
d4b795902c
Fix a spello in a comment.
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llvm-svn: 28714
2006-06-07 21:24:10 +00:00
c597b8a55e
Make iostream #inclusion explicit
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llvm-svn: 25514
2006-01-22 23:32:06 +00:00
82639853c0
Eliminate tabs and trailing spaces
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llvm-svn: 21480
2005-04-23 21:38:35 +00:00
b1c9317bb4
Remove trailing whitespace
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llvm-svn: 21427
2005-04-21 23:48:37 +00:00
Duncan Sands