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5 Commits

Author SHA1 Message Date
Joerg Sonnenberger 002a14765e Enabling thumb2 mode used to force support for armv6t2. Replace this 
with a temporary assertion and adjust the various test cases.

llvm-svn: 197224
 2013-12-13 11:16:00 +00:00
Joey Gouly a5153cb025 [ARMv8] Prevent generation of deprecated IT blocks on ARMv8 in Thumb mode. 
IT blocks can only be one instruction lonf, and can only contain a subset of
the 16 instructions.

Patch by Artyom Skrobov!

llvm-svn: 190309
 2013-09-09 14:21:49 +00:00
Manman Ren e0763c7472 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
Bill Wendling 288ff0ec82 Test simplification that Ana Pazos noticed. 
llvm-svn: 141644
 2011-10-11 04:43:15 +00:00
Bill Wendling 9449b8b9d2 Add testcase for PR11107. 
llvm-svn: 141607
 2011-10-11 00:26:57 +00:00