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5 Commits

Author SHA1 Message Date
Craig Topper e57b49ee16 Add mcpu to tests to prevent them from using AVX instructions on Sandy Bridge after r155618. 
llvm-svn: 155696
 2012-04-27 07:11:58 +00:00
Bob Wilson ebb44646c4 Enable stack protectors for all arrays, not just char arrays. rdar://5875909 
Patch by Bill Wendling.

llvm-svn: 145097
 2011-11-23 07:13:56 +00:00
Eric Christopher c1451d764f Don't lower splat vector load to relative to the esp if the 
stack may be misaligned.

Update test accordingly.

Patch by Evan Cheng!

llvm-svn: 94291
 2010-01-23 06:02:43 +00:00
Evan Cheng 2262909b20 Fix test. 
llvm-svn: 90988
 2009-12-09 22:24:42 +00:00
Evan Cheng 493b882f80 Optimize splat of a scalar load into a shuffle of a vector load when it's legal. e.g. 
vector_shuffle (scalar_to_vector (i32 load (ptr + 4))), undef, <0, 0, 0, 0>
=>
vector_shuffle (v4i32 load ptr), undef, <1, 1, 1, 1>

iff ptr is 16-byte aligned (or can be made into 16-byte aligned).

llvm-svn: 90984
 2009-12-09 21:00:30 +00:00