e0763c7472
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
llvm-svn: 158551
2012-06-15 21:32:12 +00:00
2764301a77
Revert: test/CodeGen/ARM/iabs.ll in r158441
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Sorry that I accidently checked in this file with my previous commit.
llvm-svn: 158442
2012-06-14 06:04:02 +00:00
c2bc2d106b
InstCombine: fix a bug when combining (fcmp cc0 x, y) && (fcmp cc1 x, y).
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uno && ueq was converted to ueq, it should be converted to uno.
llvm-svn: 158441
2012-06-14 05:57:42 +00:00
a7d697e4a6
Reapply r141365 now that PR11107 is fixed.
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llvm-svn: 141591
2011-10-10 22:59:55 +00:00
47aac51043
Revert r141365. It was causing MultiSource/Benchmarks/MiBench/consumer-lame to
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hang, and possibly SPEC/CINT2006/464_h264ref.
llvm-svn: 141560
2011-10-10 18:27:30 +00:00
318d6bae80
Peephole optimization for ABS on ARM.
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Patch by Ana Pazos!
llvm-svn: 141365
2011-10-07 16:15:08 +00:00
8b2bda09a5
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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llvm-svn: 134590
2011-07-07 03:55:05 +00:00
ae67ca33ed
convert to filecheck.
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llvm-svn: 95608
2010-02-08 23:47:34 +00:00
c8054d90fb
Eliminate more uses of llvm-as and llvm-dis.
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llvm-svn: 81293
2009-09-09 00:09:15 +00:00
d76d0aa68a
Move thumb and thumb2 tests into separate directories.
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llvm-svn: 74068
2009-06-24 06:36:07 +00:00
86f337eeda
For PR1319:
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Fix test syntax per new rules.
llvm-svn: 36133
2007-04-16 15:15:52 +00:00
9f780e339e
new testcases for integer abs function
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llvm-svn: 35880
2007-04-11 05:02:57 +00:00
Manman Ren