diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp index bb8629a74d5..95ed887ef6d 100644 --- a/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -596,8 +596,17 @@ bool ARMDAGToDAGISel::SelectT2ShifterOperandReg(SDValue Op, SDValue N, bool ARMDAGToDAGISel::SelectT2AddrModeImm12(SDValue Op, SDValue N, SDValue &Base, SDValue &OffImm) { // Match simple R + imm12 operands. - if (N.getOpcode() != ISD::ADD) + + // Match frame index... + if (N.getOpcode() != ISD::ADD) { + if (N.getOpcode() == ISD::FrameIndex) { + int FI = cast(N)->getIndex(); + Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy()); + OffImm = CurDAG->getTargetConstant(0, MVT::i32); + return true; + } return false; + } if (ConstantSDNode *RHS = dyn_cast(N.getOperand(1))) { int RHSC = (int)RHS->getZExtValue(); @@ -686,8 +695,7 @@ bool ARMDAGToDAGISel::SelectT2AddrModeSoReg(SDValue Op, SDValue N, if (N.getOpcode() != ISD::ADD && N.getOpcode() != ISD::SUB) { Base = N; if (N.getOpcode() == ISD::FrameIndex) { - int FI = cast(N)->getIndex(); - Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy()); + return false; // we want to select t2LDRri12 instead } else if (N.getOpcode() == ARMISD::Wrapper) { Base = N.getOperand(0); if (Base.getOpcode() == ISD::TargetConstantPool)