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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19514 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index fcf42daf5f66d16eb4f1a332175684926c4fd12b..ac6a9d7262957c818dc62630cd8896fe87f9ef72 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -116,17 +116,17 @@ public:
   SDOperand getBasicBlock(MachineBasicBlock *MBB);
   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
     // could cause duplicates to occur.
-    SDNode *NN = new CopyRegSDNode(Chain, N, VReg);
+    SDNode *NN = new CopyRegSDNode(Chain, N, Reg);
     AllNodes.push_back(NN);
     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.
-    SDNode *NN = new CopyRegSDNode(VReg, VT);
+    SDNode *NN = new CopyRegSDNode(Reg, VT);
     AllNodes.push_back(NN);
     return SDOperand(NN, 0);
   }

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 24d941db52d5911e2a57270bc2e3e8c20161f2a4..8bbfb2b509846e079a35c18a610c70ede83ff677 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -50,14 +50,14 @@ namespace ISD {
 
     // CopyToReg - This node has chain and child nodes, and an associated
     // 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.
     CopyToReg,
 
     // CopyFromReg - This node indicates that the input value is a virtual or
     // physical register that is defined outside of the scope of this
-    // SelectionDAG.  The virtual register is available from the
-    // CopyRegSDNode object.
+    // SelectionDAG.  The register number is available from the CopyRegSDNode
+    // object.
     CopyFromReg,
 
     // EXTRACT_ELEMENT - This is used to get the first or second (determined by