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3 Commits

Author SHA1 Message Date
Dan Gohman
36a0947820 Eliminate more uses of llvm-as and llvm-dis. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 23:54:48 +00:00
Chris Lattner
d842962e27 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81265 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-08 23:05:44 +00:00
Dan Gohman
6a402dc952 Add an x86 peep that narrows TEST instructions to forms that use 
a smaller encoding. These kinds of patterns are very frequent in
sqlite3, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79439 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-19 18:16:17 +00:00