Manman Ren
307473dec0
ARM: optimization for sub+abs.
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This patch will optimize abs(x-y)
FROM
sub, movs, rsbmi
TO
subs, rsbmi
For abs, we will use cmp instead of movs. This is necessary because we already
have an existing peephole pass which optimizes away cmp following sub.
rdar: 11633193
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158551 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-15 21:32:12 +00:00
Manman Ren
39f5eb1563
Revert: test/CodeGen/ARM/iabs.ll in r158441
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Sorry that I accidently checked in this file with my previous commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158442 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-14 06:04:02 +00:00
Manman Ren
7a0575b9a8
InstCombine: fix a bug when combining (fcmp cc0 x, y) && (fcmp cc1 x, y).
...
uno && ueq was converted to ueq, it should be converted to uno.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158441 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-14 05:57:42 +00:00
Bill Wendling
ef2c86f876
Reapply r141365 now that PR11107 is fixed.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141591 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10 22:59:55 +00:00
Bill Wendling
eba564ceac
Revert r141365. It was causing MultiSource/Benchmarks/MiBench/consumer-lame to
...
hang, and possibly SPEC/CINT2006/464_h264ref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141560 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-10 18:27:30 +00:00
Anton Korobeynikov
244455e6d6
Peephole optimization for ABS on ARM.
...
Patch by Ana Pazos!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07 16:15:08 +00:00
Evan Cheng
39dfb0ff84
Change some ARM subtarget features to be single bit yes/no in order to sink them down to MC layer. Also fix tests.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134590 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07 03:55:05 +00:00
Chris Lattner
d863b766f5
convert to filecheck.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95608 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-08 23:47:34 +00:00
Dan Gohman
fce288fc91
Eliminate more uses of llvm-as and llvm-dis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09 00:09:15 +00:00
Evan Cheng
9f76ed5127
Move thumb and thumb2 tests into separate directories.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24 06:36:07 +00:00
Reid Spencer
4cda190ef5
For PR1319:
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Fix test syntax per new rules.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36133 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-16 15:15:52 +00:00
Chris Lattner
603572a771
new testcases for integer abs function
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35880 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-11 05:02:57 +00:00
