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104 Commits

Author SHA1 Message Date
Chris Lattner 1b35bbe813 change the canonical form of "cond ? -1 : 0" to be 
"sext cond" instead of a select.  This simplifies some instcombine
code, matches the policy for zext (cond ? 1 : 0 -> zext), and allows
us to generate better code for a testcase on ppc.

llvm-svn: 94339
 2010-01-24 00:09:49 +00:00
Benjamin Kramer a81a6dff0d Convert a ton of simple integer type equality tests to the new predicate. 
llvm-svn: 92760
 2010-01-05 20:07:06 +00:00
Chris Lattner 1e7b7b50b1 clean up header. 
llvm-svn: 92688
 2010-01-05 06:05:07 +00:00
Chris Lattner 8f771cb78f split select out to its own file. 
llvm-svn: 92687
 2010-01-05 06:03:12 +00:00