convertToThreeAddress can't handle Thumb2 instructions (which don't have same address mode as ARM instructions).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77230 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index 5703f6b..6e1f558 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -39,6 +39,8 @@
ARMBaseInstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI,
MachineBasicBlock::iterator &MBBI,
LiveVariables *LV) const {
+ // FIXME: Thumb2 support.
+
if (!EnableARM3Addr)
return NULL;
@@ -88,22 +90,19 @@
// add more than 1 instruction. Abandon!
return NULL;
UpdateMI = BuildMI(MF, MI->getDebugLoc(),
- get(isSub ? getOpcode(ARMII::SUBri) :
- getOpcode(ARMII::ADDri)), WBReg)
+ get(isSub ? ARM::SUBri : ARM::ADDri), WBReg)
.addReg(BaseReg).addImm(Amt)
.addImm(Pred).addReg(0).addReg(0);
} else if (Amt != 0) {
ARM_AM::ShiftOpc ShOpc = ARM_AM::getAM2ShiftOpc(OffImm);
unsigned SOOpc = ARM_AM::getSORegOpc(ShOpc, Amt);
UpdateMI = BuildMI(MF, MI->getDebugLoc(),
- get(isSub ? getOpcode(ARMII::SUBrs) :
- getOpcode(ARMII::ADDrs)), WBReg)
+ get(isSub ? ARM::SUBrs : ARM::ADDrs), WBReg)
.addReg(BaseReg).addReg(OffReg).addReg(0).addImm(SOOpc)
.addImm(Pred).addReg(0).addReg(0);
} else
UpdateMI = BuildMI(MF, MI->getDebugLoc(),
- get(isSub ? getOpcode(ARMII::SUBrr) :
- getOpcode(ARMII::ADDrr)), WBReg)
+ get(isSub ? ARM::SUBrr : ARM::ADDrr), WBReg)
.addReg(BaseReg).addReg(OffReg)
.addImm(Pred).addReg(0).addReg(0);
break;
@@ -114,14 +113,12 @@
if (OffReg == 0)
// Immediate is 8-bits. It's guaranteed to fit in a so_imm operand.
UpdateMI = BuildMI(MF, MI->getDebugLoc(),
- get(isSub ? getOpcode(ARMII::SUBri) :
- getOpcode(ARMII::ADDri)), WBReg)
+ get(isSub ? ARM::SUBri : ARM::ADDri), WBReg)
.addReg(BaseReg).addImm(Amt)
.addImm(Pred).addReg(0).addReg(0);
else
UpdateMI = BuildMI(MF, MI->getDebugLoc(),
- get(isSub ? getOpcode(ARMII::SUBrr) :
- getOpcode(ARMII::ADDrr)), WBReg)
+ get(isSub ? ARM::SUBrr : ARM::ADDrr), WBReg)
.addReg(BaseReg).addReg(OffReg)
.addImm(Pred).addReg(0).addReg(0);
break;