diff options
| -rw-r--r-- | lib/Target/ARM/ARMBaseInstrInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp index 6005054271..b530515cdd 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -4152,6 +4152,8 @@ bool ARMBaseInstrInfo::hasNOP() const { } bool ARMBaseInstrInfo::isSwiftFastImmShift(const MachineInstr *MI) const { + if (MI->getNumOperands() < 4) + return true; unsigned ShOpVal = MI->getOperand(3).getImm(); unsigned ShImm = ARM_AM::getSORegOffset(ShOpVal); // Swift supports faster shifts for: lsl 2, lsl 1, and lsr 1. |