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remove dead code, mblaze uses SelectAddrRegImm/SelectAddrRegReg, 

not SelectAddr

llvm-svn: 113072
This commit is contained in:
Chris Lattner 2010-09-04 18:02:47 +00:00
parent b1951ea1fe
commit 55118e7224
1 changed files with 0 additions and 54 deletions
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54
llvm/lib/Target/MBlaze/MBlazeISelDAGToDAG.cpp
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@ -81,10 +81,6 @@ private:
SDNode *getGlobalBaseReg();
SDNode *Select(SDNode *N);
// Complex Pattern.
bool SelectAddr(SDNode *Op, SDValue N,
SDValue &Base, SDValue &Offset);
// Address Selection
bool SelectAddrRegReg(SDNode *Op, SDValue N, SDValue &Base, SDValue &Index);
bool SelectAddrRegImm(SDNode *Op, SDValue N, SDValue &Disp, SDValue &Base);
@ -190,56 +186,6 @@ SDNode *MBlazeDAGToDAGISel::getGlobalBaseReg() {
return CurDAG->getRegister(GlobalBaseReg, TLI.getPointerTy()).getNode();
}
/// ComplexPattern used on MBlazeInstrInfo
/// Used on MBlaze Load/Store instructions
bool MBlazeDAGToDAGISel::
SelectAddr(SDNode *Op, SDValue Addr, SDValue &Offset, SDValue &Base) {
// if Address is FI, get the TargetFrameIndex.
if (FrameIndexSDNode *FIN = dyn_cast<FrameIndexSDNode>(Addr)) {
Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), MVT::i32);
Offset = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
// on PIC code Load GA
if (TM.getRelocationModel() == Reloc::PIC_) {
if ((Addr.getOpcode() == ISD::TargetGlobalAddress) ||
(Addr.getOpcode() == ISD::TargetConstantPool) ||
(Addr.getOpcode() == ISD::TargetJumpTable)){
Base = CurDAG->getRegister(MBlaze::R15, MVT::i32);
Offset = Addr;
return true;
}
} else {
if ((Addr.getOpcode() == ISD::TargetExternalSymbol ||
Addr.getOpcode() == ISD::TargetGlobalAddress))
return false;
}
// Operand is a result from an ADD.
if (Addr.getOpcode() == ISD::ADD) {
if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) {
if (isUInt<16>(CN->getZExtValue())) {
// If the first operand is a FI, get the TargetFI Node
if (FrameIndexSDNode *FIN = dyn_cast<FrameIndexSDNode>
(Addr.getOperand(0))) {
Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), MVT::i32);
} else {
Base = Addr.getOperand(0);
}
Offset = CurDAG->getTargetConstant(CN->getZExtValue(), MVT::i32);
return true;
}
}
}
Base = Addr;
Offset = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
/// Select instructions not customized! Used for
/// expanded, promoted and normal instructions
SDNode* MBlazeDAGToDAGISel::Select(SDNode *Node) {