The code in HexagonExpandCondsets.cpp does not handle those cases at the
moment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271281
91177308-0d34-0410-b5e6-
96231b3b80d8
// some registers, which would complicate the transformation considerably.
if (!MS.isKill())
return false;
+ // Avoid predicating instructions that define a subregister. The code
+ // does not handle correctly cases where both subregisters of a register
+ // are defined by a condset.
+ if (MD.getSubReg())
+ return false;
RegisterRef RT(MS);
unsigned PredR = MP.getReg();