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SelectionDAG: Expand SELECT_CC to SELECT + SETCC

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This consolidates code from the Hexagon, R600, and XCore targets.

No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210539 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard
2014-06-10 16:01:22 +00:00
parent b02d95cb66
commit f586a260ca
9 changed files with 34 additions and 58 deletions
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22
lib/Target/R600/SIISelLowering.cpp
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@@ -105,10 +105,10 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setOperationAction(ISD::SELECT, MVT::f64, Promote);
AddPromotedToType(ISD::SELECT, MVT::f64, MVT::i64);
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::Other, Expand);
setOperationAction(ISD::SELECT_CC, MVT::f32, Expand);
setOperationAction(ISD::SELECT_CC, MVT::i32, Expand);
setOperationAction(ISD::SELECT_CC, MVT::i64, Expand);
setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
setOperationAction(ISD::SETCC, MVT::v2i1, Expand);
setOperationAction(ISD::SETCC, MVT::v4i1, Expand);
@@ -611,7 +611,6 @@ SDValue SITargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const {
}
case ISD::SELECT: return LowerSELECT(Op, DAG);
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
case ISD::SIGN_EXTEND: return LowerSIGN_EXTEND(Op, DAG);
case ISD::STORE: return LowerSTORE(Op, DAG);
case ISD::ANY_EXTEND: // Fall-through
@@ -903,19 +902,6 @@ SDValue SITargetLowering::LowerSELECT(SDValue Op, SelectionDAG &DAG) const {
return DAG.getNode(ISD::BITCAST, DL, MVT::i64, Res);
}
SDValue SITargetLowering::LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const {
SDValue LHS = Op.getOperand(0);
SDValue RHS = Op.getOperand(1);
SDValue True = Op.getOperand(2);
SDValue False = Op.getOperand(3);
SDValue CC = Op.getOperand(4);
EVT VT = Op.getValueType();
SDLoc DL(Op);
SDValue Cond = DAG.getNode(ISD::SETCC, DL, MVT::i1, LHS, RHS, CC);
return DAG.getNode(ISD::SELECT, DL, VT, Cond, True, False);
}
SDValue SITargetLowering::LowerSIGN_EXTEND(SDValue Op,
SelectionDAG &DAG) const {
EVT VT = Op.getValueType();