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13 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen a70e9417fb Kill and collapse outstanding DomainValues. 
DomainValues that are only used by "don't care" instructions are now
collapsed to the first possible execution domain after all basic blocks
have been processed.  This typically means the PS domain on x86.

For example, the vsel_i64 and vsel_double functions in sse2-blend.ll are
completely collapsed to the PS domain instead of containing a mix of
execution domains created by isel.

llvm-svn: 144037
 2011-11-07 23:08:21 +00:00
Nate Begeman 583e05d8ce BUILD_VECTOR was missing out on some prime opportunities to use SSE 4.1 inserts. 
llvm-svn: 99423
 2010-03-24 20:49:50 +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
Nate Begeman 7e6e352735 Fix infinite recursion in the C++ code which handles movddup by making it unnecessary. 
llvm-svn: 70425
 2009-04-29 22:47:44 +00:00
Evan Cheng f77b5ef3d0 Favors pshufd over shufps when shuffling elements from one vector. pshufd is faster than shufps. 
llvm-svn: 49244
 2008-04-05 00:30:36 +00:00
Tanya Lattner 3cdf542f5a Remove llvm-upgrade and update tests. 
llvm-svn: 47432
 2008-02-21 07:42:26 +00:00
Dan Gohman f9dd170e36 Convert tests using "| wc -l | grep ..." to use the count script. 
llvm-svn: 41097
 2007-08-15 13:36:28 +00:00
Dan Gohman 4788552deb Re-apply 40504, but with a fix for the segfault it caused in oggenc: 
Make the alignedload and alignedstore patterns always require 16-byte
alignment. This way when they are used in the "Fs" instructions, in which
a vector instruction is used for a scalar purpose, they can still require
the full vector alignment. And add a regression test for this.

llvm-svn: 40555
 2007-07-27 17:16:43 +00:00
Evan Cheng 931de40afa Reverting 40504 for now. It's breaking oggenc. 
llvm-svn: 40547
 2007-07-27 01:37:47 +00:00
Dan Gohman 8455bd3fae Remove X86ISD::LOAD_PACK and X86ISD::LOAD_UA and associated code from the 
x86 target, replacing them with the new alignment attributes on memory
references.

llvm-svn: 40504
 2007-07-26 00:31:09 +00:00
Reid Spencer 6e87ec4351 For PR1319: 
Remove && from the end of the lines to prevent tests from throwing run
lines into the background. Also, clean up places where the same command
is run multiple times by using a temporary file.

llvm-svn: 36142
 2007-04-16 17:36:08 +00:00
Reid Spencer 83b3d82672 Regression is gone, don't try to find it on clean target. 
llvm-svn: 33296
 2007-01-17 07:59:14 +00:00