| commit | b64dd5f2b5a9989a8b1006d0aa82428455da039a | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Tue Aug 07 22:21:00 2012 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Tue Aug 07 22:21:00 2012 +0000 |
| tree | df623586bcae5d28220d400084de9b4b65342584 | |
| parent | 1299422ee1e7834a8a697b2c915a8bfdada77246 [diff] |
X86 cmp lowering is looking past truncate on the condition node. It should only do so when the high bits are known zero. This caused a subtle miscompilation. rdar://12027825 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161451 91177308-0d34-0410-b5e6-96231b3b80d8