| commit | 76e39b5ce861e9ba13e69197e24a6cdd1a83c4f9 | [log] [tgz] |
|---|---|---|
| author | Jonas Paulsson <jonas.paulsson@ericsson.com> | Thu Oct 08 07:40:19 2015 +0000 |
| committer | Jonas Paulsson <jonas.paulsson@ericsson.com> | Thu Oct 08 07:40:19 2015 +0000 |
| tree | 3bf253b55e24826450cf0794ce4b830bca33f79a | |
| parent | e6a99a2ba1c2ea7999fceb98b2aecafb84e424ca [diff] |
[SystemZ] Bugfix: check CC reg liveness in SystemZShortenInst. The following instruction shortening transformations would introduce a definition of the CC reg, so therefore liveness of CC reg must be checked: WFADB -> ADBR WFSDB -> SDBR Also add the CC reg implicit def operand to the MI in case of change of opcode. Reviewed by Ulrich Weigand. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@249665 91177308-0d34-0410-b5e6-96231b3b80d8