[llvm] r237013 - group getNode() variants by purpose and add comments; NFC

[Sanjay Patel]

Author: spatel
Date: Mon May 11 14:34:10 2015
New Revision: 237013

URL: http://llvm.org/viewvc/llvm-project?rev=237013&view=rev
Log:
group getNode() variants by purpose and add comments; NFC

Modified:
    llvm/trunk/include/llvm/CodeGen/SelectionDAG.h

Modified: llvm/trunk/include/llvm/CodeGen/SelectionDAG.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/SelectionDAG.h?rev=237013&r1=237012&r2=237013&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/SelectionDAG.h (original)
+++ llvm/trunk/include/llvm/CodeGen/SelectionDAG.h Mon May 11 14:34:10 2015
@@ -652,6 +652,16 @@ public:
 
   /// Gets or creates the specified node.
   ///
+  SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
+                  ArrayRef<SDUse> Ops);
+  SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
+                  ArrayRef<SDValue> Ops);
+  SDValue getNode(unsigned Opcode, SDLoc DL, ArrayRef<EVT> ResultTys,
+                  ArrayRef<SDValue> Ops);
+  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
+                  ArrayRef<SDValue> Ops);
+
+  // Specialize based on number of operands.
   SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT);
   SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N);
   SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1, SDValue N2,
@@ -662,25 +672,19 @@ public:
                   SDValue N3, SDValue N4);
   SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1, SDValue N2,
                   SDValue N3, SDValue N4, SDValue N5);
-  SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, ArrayRef<SDUse> Ops);
-  SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
-                  ArrayRef<SDValue> Ops);
-  SDValue getNode(unsigned Opcode, SDLoc DL,
-                  ArrayRef<EVT> ResultTys,
-                  ArrayRef<SDValue> Ops);
-  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
-                  ArrayRef<SDValue> Ops);
+  
+  // Specialize again based on number of operands for nodes with a VTList
+  // rather than a single VT.
   SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs);
   SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N);
-  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
-                  SDValue N1, SDValue N2);
-  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
-                  SDValue N1, SDValue N2, SDValue N3);
-  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
-                  SDValue N1, SDValue N2, SDValue N3, SDValue N4);
-  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
-                  SDValue N1, SDValue N2, SDValue N3, SDValue N4,
-                  SDValue N5);
+  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N1,
+                  SDValue N2);
+  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N1,
+                  SDValue N2, SDValue N3);
+  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N1,
+                  SDValue N2, SDValue N3, SDValue N4);
+  SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N1,
+                  SDValue N2, SDValue N3, SDValue N4, SDValue N5);
 
   /// Compute a TokenFactor to force all the incoming stack arguments to be
   /// loaded from the stack. This is used in tail call lowering to protect