diff options
Diffstat (limited to 'llvm/lib/Target/SystemZ/SystemZISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZISelLowering.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp index c73905d3357..ab00069497a 100644 --- a/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp +++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.cpp @@ -6859,8 +6859,6 @@ SystemZTargetLowering::emitSelect(MachineInstr &MI, for (MachineBasicBlock::iterator NextMIIt = std::next(MachineBasicBlock::iterator(MI)); NextMIIt != MBB->end(); ++NextMIIt) { - if (NextMIIt->definesRegister(SystemZ::CC)) - break; if (isSelectPseudo(*NextMIIt)) { assert(NextMIIt->getOperand(3).getImm() == CCValid && "Bad CCValid operands since CC was not redefined."); @@ -6871,6 +6869,9 @@ SystemZTargetLowering::emitSelect(MachineInstr &MI, } break; } + if (NextMIIt->definesRegister(SystemZ::CC) || + NextMIIt->usesCustomInsertionHook()) + break; bool User = false; for (auto SelMI : Selects) if (NextMIIt->readsVirtualRegister(SelMI->getOperand(0).getReg())) { |
