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

25 KiB

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