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3 Commits

Author SHA1 Message Date
Chandler Carruth 6e4d90f7c6 FileCheck-ize, tightening checks and avoiding a temporary file. 
llvm-svn: 134340
 2011-07-02 20:42:39 +00:00
Chris Lattner e819cfbc71 change selectiondag to add the sign extended versions of immediate operands 
to instructions instead of zero extended ones.  This makes the asmprinter
print signed values more consistently.  This apparently only really affects
the X86 backend.

llvm-svn: 81265
 2009-09-08 23:05:44 +00:00
Dan Gohman e99f98262c Permit ChangeCompareStride to rewrite a comparison when the factor 
between the comparison's iv stride and the candidate stride is
exactly -1.

llvm-svn: 70244
 2009-04-27 20:35:32 +00:00