Remove comments that are now meaningless from the pattern ISels, at Chris's
request.

llvm-svn: 20804
diff --git a/llvm/lib/Target/Alpha/AlphaISelPattern.cpp b/llvm/lib/Target/Alpha/AlphaISelPattern.cpp
index abf9934..1965f76 100644
--- a/llvm/lib/Target/Alpha/AlphaISelPattern.cpp
+++ b/llvm/lib/Target/Alpha/AlphaISelPattern.cpp
@@ -1543,8 +1543,7 @@
   unsigned Tmp1, Tmp2, Opc;
   unsigned opcode = N.getOpcode();
 
-  // FIXME: Disable for our current expansion model!
-  if (/*!N->hasOneUse() &&*/ !ExprMap.insert(std::make_pair(N, notIn)).second)
+  if (!ExprMap.insert(std::make_pair(N, notIn)).second)
     return;  // Already selected.
 
   SDNode *Node = N.Val;