| commit | 37fa1c81ac49dc744899d05a8eb7f038cd1502cd | [log] [tgz] |
|---|---|---|
| author | Benjamin Kramer <benny.kra@googlemail.com> | Mon May 28 19:18:16 2012 +0000 |
| committer | Benjamin Kramer <benny.kra@googlemail.com> | Mon May 28 19:18:16 2012 +0000 |
| tree | 3312f383bde92ba2e6abfc3309866d9f1fe495e9 | |
| parent | 21280e48c07422a43bf8e7d095bdfaf0c7012bd5 [diff] |
InstCombine: Fix infinite loop when encountering switch on trivial icmp. The test case feeds the following into InstCombine's visitSelect: %tobool8 = icmp ne i32 0, 0 %phitmp = select i1 %tobool8, i32 3, i32 0 Then instcombine replaces the right side of the switch with 0, doesn't notice that nothing changes and tries again indefinitely. This fixes PR12897. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157587 91177308-0d34-0410-b5e6-96231b3b80d8