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Use const qualifiers with TargetLowering. This eliminates several

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const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101635 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-04-17 15:26:15 +00:00
parent 1e93df6f0b
commit d858e90f03
70 changed files with 755 additions and 690 deletions
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34
lib/Target/MSP430/MSP430ISelLowering.h
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@@ -74,7 +74,7 @@ namespace llvm {
explicit MSP430TargetLowering(MSP430TargetMachine &TM);
/// LowerOperation - Provide custom lowering hooks for some operations.
virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
/// getTargetNodeName - This method returns the name of a target specific
/// DAG node.
@@ -83,16 +83,16 @@ namespace llvm {
/// getFunctionAlignment - Return the Log2 alignment of this function.
virtual unsigned getFunctionAlignment(const Function *F) const;
SDValue LowerShifts(SDValue Op, SelectionDAG &DAG);
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG);
SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG);
SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG);
SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG);
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG);
SDValue LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG);
SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG);
SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG);
SDValue getReturnAddressFrameIndex(SelectionDAG &DAG);
SDValue LowerShifts(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerExternalSymbol(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerBR_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;
SDValue getReturnAddressFrameIndex(SelectionDAG &DAG) const;
TargetLowering::ConstraintType
getConstraintType(const std::string &Constraint) const;
@@ -130,7 +130,7 @@ namespace llvm {
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals);
SmallVectorImpl<SDValue> &InVals) const;
SDValue LowerCCCArguments(SDValue Chain,
CallingConv::ID CallConv,
@@ -138,33 +138,33 @@ namespace llvm {
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl,
SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals);
SmallVectorImpl<SDValue> &InVals) const;
SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals);
SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerFormalArguments(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals);
SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerCall(SDValue Chain, SDValue Callee,
CallingConv::ID CallConv, bool isVarArg, bool &isTailCall,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
SmallVectorImpl<SDValue> &InVals);
SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
DebugLoc dl, SelectionDAG &DAG);
DebugLoc dl, SelectionDAG &DAG) const;
virtual bool getPostIndexedAddressParts(SDNode *N, SDNode *Op,
SDValue &Base,