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Revert r121808 until I can fix the build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121815 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -918,15 +918,27 @@ ARMDAGToDAGISel::SelectThumbAddrModeRI(SDValue N, SDValue &Base,
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return false; // We want to select tLDRpci instead.
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return false; // We want to select tLDRpci instead.
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}
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}
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if (N.getOpcode() != ISD::ADD)
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if (N.getOpcode() != ISD::ADD) {
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return false;
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if (N.getOpcode() == ARMISD::Wrapper &&
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(!Subtarget->useMovt() ||
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N.getOperand(0).getOpcode() != ISD::TargetGlobalAddress))
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Base = N.getOperand(0);
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else
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Base = N;
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Offset = CurDAG->getRegister(0, MVT::i32);
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return true;
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}
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// Thumb does not have [sp, r] address mode.
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// Thumb does not have [sp, r] address mode.
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RegisterSDNode *LHSR = dyn_cast<RegisterSDNode>(N.getOperand(0));
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RegisterSDNode *LHSR = dyn_cast<RegisterSDNode>(N.getOperand(0));
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RegisterSDNode *RHSR = dyn_cast<RegisterSDNode>(N.getOperand(1));
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RegisterSDNode *RHSR = dyn_cast<RegisterSDNode>(N.getOperand(1));
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if ((LHSR && LHSR->getReg() == ARM::SP) ||
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if ((LHSR && LHSR->getReg() == ARM::SP) ||
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(RHSR && RHSR->getReg() == ARM::SP))
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(RHSR && RHSR->getReg() == ARM::SP)) {
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return false;
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Base = N;
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Offset = CurDAG->getRegister(0, MVT::i32);
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return true;
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}
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if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
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if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
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int RHSC = (int)RHS->getZExtValue();
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int RHSC = (int)RHS->getZExtValue();
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@ -991,23 +1003,6 @@ ARMDAGToDAGISel::SelectThumbAddrModeImm5S(SDValue N, unsigned Scale,
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return true;
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return true;
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}
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}
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RegisterSDNode *LHSR = dyn_cast<RegisterSDNode>(N.getOperand(0));
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RegisterSDNode *RHSR = dyn_cast<RegisterSDNode>(N.getOperand(1));
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if ((LHSR && LHSR->getReg() == ARM::SP) ||
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(RHSR && RHSR->getReg() == ARM::SP)) {
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ConstantSDNode *LHS = dyn_cast<ConstantSDNode>(N.getOperand(0));
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ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1));
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unsigned LHSC = LHS ? LHS->getZExtValue() : 0;
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unsigned RHSC = RHS ? RHS->getZExtValue() : 0;
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// Thumb does not have [sp, #imm5] address mode for non-zero imm5.
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if (LHSC != 0 || RHSC != 0) return false;
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Base = N;
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OffImm = CurDAG->getTargetConstant(0, MVT::i32);
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return true;
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}
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// If the RHS is + imm5 * scale, fold into addr mode.
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// If the RHS is + imm5 * scale, fold into addr mode.
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if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
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if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
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int RHSC = (int)RHS->getZExtValue();
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int RHSC = (int)RHS->getZExtValue();
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