| commit | 9ec1a55a863f658292b19d7a3c167ba089134dff | [log] [tgz] |
|---|---|---|
| author | Hal Finkel <hfinkel@anl.gov> | Thu Sep 12 04:22:31 2013 +0000 |
| committer | Hal Finkel <hfinkel@anl.gov> | Thu Sep 12 04:22:31 2013 +0000 |
| tree | a297dafbfac88e335c39fe9e81cabab25d80830e | |
| parent | a3c2bcf0ee2f63584f7a1e9df9fa153a8b5dfea1 [diff] |
Fix crash in AggressiveAntiDepBreaker with empty CriticalPathSet
If no register classes are added to CriticalPathRCs, then the CriticalPathSet
bitmask will be empty. In that case, ExcludeRegs must remain NULL or else this
line will cause a segfault:
} else if ((ExcludeRegs != NULL) && ExcludeRegs->test(AntiDepReg)) {
I have no in-tree test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190584 91177308-0d34-0410-b5e6-96231b3b80d8