add a fixme.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46346 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index d17762a8ff79520e3f60f4b0f422136476d92579..a9ad9a452d4507b745195feee5c2c07f921768cc 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -499,6 +499,8 @@ public:
   /// isCommutativeBinOp - Returns true if the opcode is a commutative binary
   /// operation.
   static bool isCommutativeBinOp(unsigned Opcode) {
+    // FIXME: This should get its info from the td file, so that we can include
+    // target info.
     switch (Opcode) {
     case ISD::ADD:
     case ISD::MUL: