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Split out the shift code from visitBinary.

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llvm-svn: 24412
This commit is contained in:
Nate Begeman 2005-11-18 07:42:56 +00:00
parent fc4928a31a
commit 78ac456d32
1 changed files with 14 additions and 7 deletions
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21
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -347,7 +347,8 @@ public:
void visitUnwind(UnwindInst &I) { assert(0 && "TODO"); } void visitUnwind(UnwindInst &I) { assert(0 && "TODO"); }
// //
void visitBinary(User &I, unsigned Opcode, bool isShift = false); void visitBinary(User &I, unsigned Opcode);
void visitShift(User &I, unsigned Opcode);
void visitAdd(User &I) { void visitAdd(User &I) {
visitBinary(I, I.getType()->isFloatingPoint() ? ISD::FADD : ISD::ADD); visitBinary(I, I.getType()->isFloatingPoint() ? ISD::FADD : ISD::ADD);
} }
@ -380,9 +381,9 @@ public:
void visitAnd(User &I) { visitBinary(I, ISD::AND); } void visitAnd(User &I) { visitBinary(I, ISD::AND); }
void visitOr (User &I) { visitBinary(I, ISD::OR); } void visitOr (User &I) { visitBinary(I, ISD::OR); }
void visitXor(User &I) { visitBinary(I, ISD::XOR); } void visitXor(User &I) { visitBinary(I, ISD::XOR); }
void visitShl(User &I) { visitBinary(I, ISD::SHL, true); } void visitShl(User &I) { visitShift(I, ISD::SHL); }
void visitShr(User &I) { void visitShr(User &I) {
visitBinary(I, I.getType()->isUnsigned() ? ISD::SRL : ISD::SRA, true); visitShift(I, I.getType()->isUnsigned() ? ISD::SRL : ISD::SRA);
} }
void visitSetCC(User &I, ISD::CondCode SignedOpc, ISD::CondCode UnsignedOpc); void visitSetCC(User &I, ISD::CondCode SignedOpc, ISD::CondCode UnsignedOpc);
@ -520,13 +521,19 @@ void SelectionDAGLowering::visitSub(User &I) {
} }
} }
void SelectionDAGLowering::visitBinary(User &I, unsigned Opcode, bool isShift) { void SelectionDAGLowering::visitBinary(User &I, unsigned Opcode) {
SDOperand Op1 = getValue(I.getOperand(0)); SDOperand Op1 = getValue(I.getOperand(0));
SDOperand Op2 = getValue(I.getOperand(1)); SDOperand Op2 = getValue(I.getOperand(1));
if (isShift) setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2));
Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2); }
void SelectionDAGLowering::visitShift(User &I, unsigned Opcode) {
SDOperand Op1 = getValue(I.getOperand(0));
SDOperand Op2 = getValue(I.getOperand(1));
Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2);
setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2)); setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, Op2));
} }