4 Commits

Author SHA1 Message Date
Chris Lattner
21f18c9760 Handle the case where there is no "not". It is possible it got
folded into the select.

llvm-svn: 59389
2008-11-16 04:25:26 +00:00
Chris Lattner
4f8153d48f make this actually test what it is trying to.
llvm-svn: 59386
2008-11-16 04:21:51 +00:00
Dan Gohman
50061675c5 Canonicalize sext(i1) to i1?-1:0, and update various instcombine
optimizations accordingly.

llvm-svn: 58457
2008-10-30 20:40:10 +00:00
Dan Gohman
3ceee36545 (A & sext(C)) | (B & ~sext(C) -> C ? A : B
llvm-svn: 58351
2008-10-28 22:38:57 +00:00