diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 87e13ef9eb..315ad04ebe 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -988,6 +988,10 @@ bool PPCInstrInfo::SubsumesPredicate( if (Pred2[1].getReg() == PPC::CTR8 || Pred2[1].getReg() == PPC::CTR) return false; + // P1 can only subsume P2 if they test the same condition register. + if (Pred1[1].getReg() != Pred2[1].getReg()) + return false; + PPC::Predicate P1 = (PPC::Predicate) Pred1[0].getImm(); PPC::Predicate P2 = (PPC::Predicate) Pred2[0].getImm(); |