Better names as per Evan's request

llvm-svn: 47435

2 files changed, 12 insertions, 11 deletions

diff --git a/llvm/include/llvm/CodeGen/SelectionDAG.h b/llvm/include/llvm/CodeGen/SelectionDAG.h
index 70c7185c613..c40295891c9 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAG.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAG.h
@@ -359,12 +359,12 @@ public:
   /// getAtomic - Gets a node for an atomic op, produces result and chain, takes
   // 3 operands
   SDOperand getAtomic(unsigned Opcode, SDOperand Chain, SDOperand Ptr, 
-                      SDOperand A2, SDOperand A3, MVT::ValueType VT);
+                      SDOperand Cmp, SDOperand Swp, MVT::ValueType VT);
 
   /// getAtomic - Gets a node for an atomic op, produces result and chain, takes
   // 2 operands
   SDOperand getAtomic(unsigned Opcode, SDOperand Chain, SDOperand Ptr, 
-                      SDOperand A2, MVT::ValueType VT);
+                      SDOperand Val, MVT::ValueType VT);
 
   /// getLoad - Loads are not normal binary operators: their result type is not
   /// determined by their operands, and they produce a value AND a token chain.
diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index 293bb73a239..bffcfb245e1 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -1193,26 +1193,27 @@ class AtomicSDNode : public SDNode {
   SDOperand Ops[4];
   MVT::ValueType OrigVT;
 public:
-  AtomicSDNode(unsigned Opc, SDVTList VTL, SDOperand Chain, SDOperand X, 
-               SDOperand Y, SDOperand Z, MVT::ValueType VT)
+  AtomicSDNode(unsigned Opc, SDVTList VTL, SDOperand Chain, SDOperand Ptr, 
+               SDOperand Cmp, SDOperand Swp, MVT::ValueType VT)
     : SDNode(Opc, VTL) {
     Ops[0] = Chain;
-    Ops[1] = X;
-    Ops[2] = Y;
-    Ops[3] = Z;
+    Ops[1] = Ptr;
+    Ops[2] = Swp;
+    Ops[3] = Cmp;
     InitOperands(Ops, 4);
     OrigVT=VT;
   }
-  AtomicSDNode(unsigned Opc, SDVTList VTL, SDOperand Chain, SDOperand X, 
-               SDOperand Y, MVT::ValueType VT)
+  AtomicSDNode(unsigned Opc, SDVTList VTL, SDOperand Chain, SDOperand Ptr, 
+               SDOperand Val, MVT::ValueType VT)
     : SDNode(Opc, VTL) {
     Ops[0] = Chain;
-    Ops[1] = X;
-    Ops[2] = Y;
+    Ops[1] = Ptr;
+    Ops[2] = Val;
     InitOperands(Ops, 3);
     OrigVT=VT;
   }
   MVT::ValueType getVT() const { return OrigVT; }
+  bool isCompareAndSwap() const { return getOpcode() == ISD::ATOMIC_LCS; }
 };
 
 class StringSDNode : public SDNode {