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More corrections for flagged copyto/from reg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24828 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -568,15 +568,17 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
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case ISD::CopyFromReg:
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Tmp1 = LegalizeOp(Node->getOperand(0));
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Result = Op.getValue(0);
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if (Node->getNumOperands() == 2) {
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if (Node->getNumValues() == 2) {
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if (Tmp1 != Node->getOperand(0))
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Result = DAG.getCopyFromReg(Tmp1,
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cast<RegisterSDNode>(Node->getOperand(1))->getReg(),
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Node->getValueType(0));
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} else {
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assert(Node->getNumOperands() == 3 && "Invalid copyfromreg!");
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Tmp2 = LegalizeOp(Node->getOperand(2));
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if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(2))
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assert(Node->getNumValues() == 3 && "Invalid copyfromreg!");
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if (Node->getNumOperands() == 3)
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Tmp2 = LegalizeOp(Node->getOperand(2));
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if (Tmp1 != Node->getOperand(0) ||
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(Node->getNumOperands() == 3 && Tmp2 != Node->getOperand(2)))
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Result = DAG.getCopyFromReg(Tmp1,
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cast<RegisterSDNode>(Node->getOperand(1))->getReg(),
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Node->getValueType(0), Tmp2);
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@ -1140,15 +1142,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
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"Register type must be legal!");
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// Legalize the incoming value (must be a legal type).
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Tmp2 = LegalizeOp(Node->getOperand(2));
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if (Node->getNumOperands() == 3) {
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if (Node->getNumValues() == 1) {
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if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(2))
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Result = DAG.getNode(ISD::CopyToReg, MVT::Other, Tmp1,
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Node->getOperand(1), Tmp2);
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} else {
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assert(Node->getNumOperands() == 4 && "Unknown CopyToReg");
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Tmp3 = LegalizeOp(Node->getOperand(3));
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assert(Node->getNumValues() == 2 && "Unknown CopyToReg");
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if (Node->getNumOperands() == 4)
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Tmp3 = LegalizeOp(Node->getOperand(3));
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if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(2) ||
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Tmp3 != Node->getOperand(3)) {
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(Node->getNumOperands() == 4 && Tmp3 != Node->getOperand(3))) {
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unsigned Reg = cast<RegisterSDNode>(Node->getOperand(1))->getReg();
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Result = DAG.getCopyToReg(Tmp1, Reg, Tmp2, Tmp3);
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}
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