diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 375daee..315ad04 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -33,7 +33,7 @@ #include "llvm/Support/raw_ostream.h" #define GET_INSTRMAP_INFO -#define GET_INSTRINFO_CTOR +#define GET_INSTRINFO_CTOR_DTOR #include "PPCGenInstrInfo.inc" using namespace llvm; @@ -45,6 +45,9 @@ opt<bool> DisableCTRLoopAnal("disable-ppc-ctrloop-analysis", cl::Hidden, static cl::opt<bool> DisableCmpOpt("disable-ppc-cmp-opt", cl::desc("Disable compare instruction optimization"), cl::Hidden); +// Pin the vtable to this file. +void PPCInstrInfo::anchor() {} + PPCInstrInfo::PPCInstrInfo(PPCTargetMachine &tm) : PPCGenInstrInfo(PPC::ADJCALLSTACKDOWN, PPC::ADJCALLSTACKUP), TM(tm), RI(*TM.getSubtargetImpl()) {} @@ -985,6 +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(); |