| commit | 97a35fc3a744c905e1aeed8542fae366c7940f95 | [log] [tgz] |
|---|---|---|
| author | Evan Cheng <evan.cheng@apple.com> | Fri Feb 19 00:34:39 2010 +0000 |
| committer | Evan Cheng <evan.cheng@apple.com> | Fri Feb 19 00:34:39 2010 +0000 |
| tree | f2d7f0829e8f14fb19a76ee971e7f1da69f75f0c | |
| parent | 853b919d93c62498ba30e7a78ab393291517cd42 [diff] |
Transform (xor (setcc), (setcc)) == / != 1 to (xor (setcc), (setcc)) != / == 1. e.g. On x86_64 %0 = icmp eq i32 %x, 0 %1 = icmp eq i32 %y, 0 %2 = xor i1 %1, %0 br i1 %2, label %bb, label %return => testl %edi, %edi sete %al testl %esi, %esi sete %cl cmpb %al, %cl je LBB1_2 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96640 91177308-0d34-0410-b5e6-96231b3b80d8