maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Split out the shift code from visitBinary. 

llvm-svn: 24412
This commit is contained in:
Nate Begeman 2005-11-18 07:42:56 +00:00
parent 3e9e8bd25c
commit 127321b14c
1 changed files with 14 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@ -347,7 +347,8 @@ public:
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) {
visitBinary(I, I.getType()->isFloatingPoint() ? ISD::FADD : ISD::ADD);
}
@ -380,9 +381,9 @@ public:
void visitAnd(User &I) { visitBinary(I, ISD::AND); }
void visitOr (User &I) { visitBinary(I, ISD::OR); }
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) {
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);
@ -520,12 +521,18 @@ 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 Op2 = getValue(I.getOperand(1));
if (isShift)
Op2 = DAG.getNode(ISD::ANY_EXTEND, TLI.getShiftAmountTy(), Op2);
setValue(&I, DAG.getNode(Opcode, Op1.getValueType(), Op1, 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));
}