| commit | 45951a662644f5a5e021806e8a75984115b9ebef | [log] [tgz] |
|---|---|---|
| author | David Majnemer <david.majnemer@gmail.com> | Sat Apr 18 04:41:30 2015 +0000 |
| committer | David Majnemer <david.majnemer@gmail.com> | Sat Apr 18 04:41:30 2015 +0000 |
| tree | 54d70f816966da0010e265f243109b36c884f099 | |
| parent | 279e3ee954fd41164fd78e4f20ea54a3c53cc5c8 [diff] |
[InstCombine] (mul nsw 1, INT_MIN) != (shl nsw 1, 31) Multiplying INT_MIN by 1 doesn't trigger nsw. However, shifting 1 into the sign bit *does* trigger nsw. llvm-svn: 235250