Update comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116438 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 4a2a58e..a9b3129 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -618,7 +618,8 @@
     }
   }
 
-  // FIXME: Handle global variables.
+  // Materialize the global variable's address into a reg which can
+  // then be used later to load the variable.
   if (const GlobalValue *GV = dyn_cast<GlobalValue>(Obj)) {
     unsigned Tmp = ARMMaterializeGV(GV, TLI.getValueType(Obj->getType()));
     if (Tmp == 0) return false;