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4 Commits

Author SHA1 Message Date
Bob Wilson
23d66a58b7 Enable stack protectors for all arrays, not just char arrays. rdar://5875909 
Patch by Bill Wendling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145097 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-23 07:13:56 +00:00
Eric Christopher
e9625cf698 Don't lower splat vector load to relative to the esp if the 
stack may be misaligned.

Update test accordingly.

Patch by Evan Cheng!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-01-23 06:02:43 +00:00
Evan Cheng
ce72f3fbdf Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 22:24:42 +00:00
Evan Cheng
c363094e04 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).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-12-09 21:00:30 +00:00