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11 Commits

Author SHA1 Message Date
Simon Pilgrim 25fb4177fb [X86][SSE] Reapplied: Simplify vector LOAD + EXTEND on pre-SSE41 hardware 
Improve vector extension of vectors on hardware without dedicated VSEXT/VZEXT instructions.

We already convert these to SIGN_EXTEND_VECTOR_INREG/ZERO_EXTEND_VECTOR_INREG but can further improve this by using the legalizer instead of prematurely splitting into legal vectors in the combine as this only properly helps for lowering to VSEXT/VZEXT.

Removes a lot of unnecessary any_extend + mask pattern - (Fix for PR25718).

Reapplied with a fix for PR26953 (missing vector widening legalization).

Differential Revision: http://reviews.llvm.org/D17932

llvm-svn: 264062
 2016-03-22 16:22:08 +00:00
Simon Pilgrim 53f27fc00f [X86] Reduced alignment of widened vector load/stores to better match PR26953 cases 
llvm-svn: 263649
 2016-03-16 18:32:44 +00:00
Simon Pilgrim 60228bdb80 [X86] Regenerated + extended widened vector conversion tests 
- Ensure we test X86 + X64
- sitopfp / uitofp requires testing for SSE2 and SSE42 as well (part of the fix for PR26953)

llvm-svn: 263640
 2016-03-16 15:33:43 +00:00
Rafael Espindola 43766b61a4 Update tests to use sse4.2 instead of sse42. 
llvm-svn: 189145
 2013-08-23 20:46:35 +00:00
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
Nadav Rotem 486ff59a9f Enable element promotion type legalization by deafault. 
Changed tests which assumed that vectors are legalized by widening them.

llvm-svn: 142152
 2011-10-16 20:31:33 +00:00
Chris Lattner ff392ab3ed now that generic vector types aren't selected onto MMX registers, these 
tests don't need -disable-mmx.

llvm-svn: 122188
 2010-12-19 20:12:58 +00:00
Mon P Wang 1a015acf69 Update tests to use FileCheck 
llvm-svn: 84282
 2009-10-16 22:09:05 +00:00
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis. 
llvm-svn: 81290
 2009-09-08 23:54:48 +00:00
Dan Gohman 0d4bbf2c4a Remove obsolete -f flags. 
llvm-svn: 79992
 2009-08-25 15:38:29 +00:00
Mon P Wang 6e5f4bc1e7 Added some basic test cases for r61209 
llvm-svn: 61210
 2008-12-18 20:05:58 +00:00