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4 Commits

Author SHA1 Message Date
Stuart Hastings
904f5d9bd7 Reapply 132348 with fixes. rdar://problem/6501862
llvm-svn: 132402
2011-06-01 16:42:47 +00:00
Stuart Hastings
47cbd200e4 Revert to pacify a buildbot. rdar://problem/6501862
llvm-svn: 132351
2011-05-31 19:56:35 +00:00
Stuart Hastings
e226ec461c Followup to 132316; accept arbitrary constants, add with a constant,
sub with a non-constant.  Fix comments, enlarge test case.
rdar://problem/6501862

llvm-svn: 132348
2011-05-31 19:29:55 +00:00
Stuart Hastings
9f37a92c33 (1 - X) * (-2) -> (x - 1) * 2, for all positive nonzero powers of 2
rdar://problem/6501862

llvm-svn: 132316
2011-05-30 20:00:33 +00:00