Manman Ren
7ffcd63dea
ARM: optimization for sub+abs.
...
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
Manman Ren
797e146fae
Revert: test/CodeGen/ARM/iabs.ll in r158441
...
Sorry that I accidently checked in this file with my previous commit.
llvm-svn: 158442
2012-06-14 06:04:02 +00:00
Manman Ren
e3471c0bdf
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.
llvm-svn: 158441
2012-06-14 05:57:42 +00:00
Bill Wendling
7121342ad5
Reapply r141365 now that PR11107 is fixed.
...
llvm-svn: 141591
2011-10-10 22:59:55 +00:00
Bill Wendling
7cba44defc
Revert r141365. It was causing MultiSource/Benchmarks/MiBench/consumer-lame to
...
hang, and possibly SPEC/CINT2006/464_h264ref.
llvm-svn: 141560
2011-10-10 18:27:30 +00:00
Anton Korobeynikov
0944a4c5cc
Peephole optimization for ABS on ARM.
...
Patch by Ana Pazos!
llvm-svn: 141365
2011-10-07 16:15:08 +00:00
Evan Cheng
952943f744
Change some ARM subtarget features to be single bit yes/no in order to sink them down to MC layer. Also fix tests.
...
llvm-svn: 134590
2011-07-07 03:55:05 +00:00
Chris Lattner
20be5fb012
convert to filecheck.
...
llvm-svn: 95608
2010-02-08 23:47:34 +00:00
Dan Gohman
142428ce64
Eliminate more uses of llvm-as and llvm-dis.
...
llvm-svn: 81293
2009-09-09 00:09:15 +00:00
Evan Cheng
b4139189b0
Move thumb and thumb2 tests into separate directories.
...
llvm-svn: 74068
2009-06-24 06:36:07 +00:00
Reid Spencer
d93b834b52
For PR1319:
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Fix test syntax per new rules.
llvm-svn: 36133
2007-04-16 15:15:52 +00:00
Chris Lattner
e827f7dfe6
new testcases for integer abs function
...
llvm-svn: 35880
2007-04-11 05:02:57 +00:00
