Fix a regression from r138445. If we're loading from the frame/base pointer
the tADDrSPi instruction can't be used. Make sure we're updating the opcode
to tADDi3 in all cases.
rdar://10254707
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141523 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/Thumb1RegisterInfo.cpp b/lib/Target/ARM/Thumb1RegisterInfo.cpp
index d6b0377..e8ed482 100644
--- a/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -454,6 +454,7 @@
// r0 = add sp, 255*4
// r0 = add r0, (imm - 255*4)
if (Opcode == ARM::tADDi3) {
+ MI.setDesc(TII.get(Opcode));
removeOperands(MI, FrameRegIdx);
MachineInstrBuilder MIB(&MI);
AddDefaultPred(AddDefaultT1CC(MIB).addReg(FrameReg).addImm(Mask));