Rename and adjust processFixupValue.

It was not processing any value. All that it ever did was force
relocations, so name it shouldForceRelocation.

llvm-svn: 306906
diff --git a/llvm/lib/MC/MCAssembler.cpp b/llvm/lib/MC/MCAssembler.cpp
index 92c5da0..0318d91 100644
--- a/llvm/lib/MC/MCAssembler.cpp
+++ b/llvm/lib/MC/MCAssembler.cpp
@@ -261,9 +261,9 @@
     Value -= Offset;
   }
 
-  // Let the backend adjust the fixup value if necessary, including whether
-  // we need a relocation.
-  Backend.processFixupValue(*this, Fixup, Target, IsResolved);
+  // Let the backend force a relocation if needed.
+  if (IsResolved && Backend.shouldForceRelocation(*this, Fixup, Target))
+    IsResolved = false;
 
   return IsResolved;
 }