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Promote SETCC operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43340 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -190,6 +190,7 @@ private:
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SDOperand PromoteOperand_SELECT(SDNode *N, unsigned OpNo);
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SDOperand PromoteOperand_BRCOND(SDNode *N, unsigned OpNo);
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SDOperand PromoteOperand_BR_CC(SDNode *N, unsigned OpNo);
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SDOperand PromoteOperand_SETCC(SDNode *N, unsigned OpNo);
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SDOperand PromoteOperand_STORE(StoreSDNode *N, unsigned OpNo);
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void PromoteSetCCOperands(SDOperand &LHS,SDOperand &RHS, ISD::CondCode Code);
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@ -1456,6 +1457,7 @@ bool DAGTypeLegalizer::PromoteOperand(SDNode *N, unsigned OpNo) {
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case ISD::SELECT: Res = PromoteOperand_SELECT(N, OpNo); break;
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case ISD::BRCOND: Res = PromoteOperand_BRCOND(N, OpNo); break;
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case ISD::BR_CC: Res = PromoteOperand_BR_CC(N, OpNo); break;
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case ISD::SETCC: Res = PromoteOperand_SETCC(N, OpNo); break;
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case ISD::STORE: Res = PromoteOperand_STORE(cast<StoreSDNode>(N),
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OpNo); break;
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@ -1577,6 +1579,17 @@ SDOperand DAGTypeLegalizer::PromoteOperand_BR_CC(SDNode *N, unsigned OpNo) {
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N->getOperand(1), LHS, RHS, N->getOperand(4));
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}
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SDOperand DAGTypeLegalizer::PromoteOperand_SETCC(SDNode *N, unsigned OpNo) {
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assert(OpNo == 0 && "Don't know how to promote this operand");
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SDOperand LHS = N->getOperand(0);
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SDOperand RHS = N->getOperand(1);
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PromoteSetCCOperands(LHS, RHS, cast<CondCodeSDNode>(N->getOperand(2))->get());
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// The CC (#2) is always legal.
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return DAG.UpdateNodeOperands(SDOperand(N, 0), LHS, RHS, N->getOperand(2));
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}
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/// PromoteSetCCOperands - Promote the operands of a comparison. This code is
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/// shared among BR_CC, SELECT_CC, and SETCC handlers.
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void DAGTypeLegalizer::PromoteSetCCOperands(SDOperand &NewLHS,SDOperand &NewRHS,
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