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9 Commits

Author SHA1 Message Date
Chad Rosier
1fc999ec47 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153095 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-20 17:20:46 +00:00
Chad Rosier
33e528d44d [avx] Adjust the VINSERTF128rm pattern to allow for unaligned loads. 
This results in things such as

	vmovups	16(%rdi), %xmm0
	vinsertf128	$1, %xmm0, %ymm0, %ymm0

to be combined to

    vinsertf128	$1, 16(%rdi), %ymm0, %ymm0

rdar://11076953



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153092 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-20 17:08:51 +00:00
Chad Rosier
38ca0d78a2 [avx] Add patterns for VINSERTF128rm. 
This results in things such as

	vmovaps	-96(%rbx), %xmm1
	vinsertf128	$1, %xmm1, %ymm0, %ymm0

to be combined to
         
	vinsertf128	$1, -96(%rbx), %ymm0, %ymm0

rdar://10643481

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152762 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-15 00:45:30 +00:00
Pete Cooper
d18134f116 Turn avx insert intrinsic calls into INSERT_SUBVECTOR DAG nodes and remove duplicate patterns for selecting the intrinsics 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151342 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-24 03:51:49 +00:00
Bruno Cardoso Lopes
e97190fdf8 Add a DAGCombine for subvector extracts to remove useless chains of 
subvector inserts and extracts. Initial patch by Rackover, Zvi with
some tweak done by me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140204 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-20 23:19:33 +00:00
Bruno Cardoso Lopes
f4b841d4e2 Revert r140097, working on a better approach 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-20 23:19:29 +00:00
Bruno Cardoso Lopes
97136c922e Based on the small opt Zvi's patch was trying to achieve, eliminate 
128-bit undef subvector insertion into a 256-bit vector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140097 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 23:36:50 +00:00
Bruno Cardoso Lopes
50b37c7920 Fix PR10656. It's only profitable to use 128-bit inserts and extracts 
when AVX mode is one. Otherwise is just more work for the type
legalizer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137661 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:45:54 +00:00
Bruno Cardoso Lopes
ef8d6999f3 Add a dag combine to xform 256-bit shuffles into simple vector 
inserts and extracts. This simple combine makes us generate only 1
instruction instead of 11 in the v8 case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137362 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-11 21:50:44 +00:00