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Update comments to indicate CopyFrom/ToReg take physregs as well as vregs.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19514 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-01-12 18:11:36 +00:00
parent 9bbd992eb1
commit 9ffdfb6bae
2 changed files with 7 additions and 7 deletions
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8
include/llvm/CodeGen/SelectionDAG.h
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@ -116,17 +116,17 @@ public:
SDOperand getBasicBlock(MachineBasicBlock *MBB); SDOperand getBasicBlock(MachineBasicBlock *MBB);
SDOperand getExternalSymbol(const char *Sym, MVT::ValueType VT); SDOperand getExternalSymbol(const char *Sym, MVT::ValueType VT);
SDOperand getCopyToReg(SDOperand Chain, SDOperand N, unsigned VReg) { SDOperand getCopyToReg(SDOperand Chain, SDOperand N, unsigned Reg) {
// Note: these are auto-CSE'd because the caller doesn't make requests that // Note: these are auto-CSE'd because the caller doesn't make requests that
// could cause duplicates to occur. // could cause duplicates to occur.
SDNode *NN = new CopyRegSDNode(Chain, N, VReg); SDNode *NN = new CopyRegSDNode(Chain, N, Reg);
AllNodes.push_back(NN); AllNodes.push_back(NN);
return SDOperand(NN, 0); return SDOperand(NN, 0);
} }
SDOperand getCopyFromReg(unsigned VReg, MVT::ValueType VT) { SDOperand getCopyFromReg(unsigned Reg, MVT::ValueType VT) {
// Note: These nodes are auto-CSE'd by the caller of this method. // Note: These nodes are auto-CSE'd by the caller of this method.
SDNode *NN = new CopyRegSDNode(VReg, VT); SDNode *NN = new CopyRegSDNode(Reg, VT);
AllNodes.push_back(NN); AllNodes.push_back(NN);
return SDOperand(NN, 0); return SDOperand(NN, 0);
} }

6
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -50,14 +50,14 @@ namespace ISD {
// CopyToReg - This node has chain and child nodes, and an associated // CopyToReg - This node has chain and child nodes, and an associated
// register number. The instruction selector must guarantee that the value // register number. The instruction selector must guarantee that the value
// of the value node is available in the virtual register stored in the // of the value node is available in the register stored in the
// CopyRegSDNode object. // CopyRegSDNode object.
CopyToReg, CopyToReg,
// CopyFromReg - This node indicates that the input value is a virtual or // CopyFromReg - This node indicates that the input value is a virtual or
// physical register that is defined outside of the scope of this // physical register that is defined outside of the scope of this
// SelectionDAG. The virtual register is available from the // SelectionDAG. The register number is available from the CopyRegSDNode
// CopyRegSDNode object. // object.
CopyFromReg, CopyFromReg,
// EXTRACT_ELEMENT - This is used to get the first or second (determined by // EXTRACT_ELEMENT - This is used to get the first or second (determined by