add some more assertions.  Remove code to handle dllimport on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75082 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
index 3c395a6..3ae88ea 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
@@ -332,6 +332,7 @@
             FnStubs.insert(Name);
             printSuffixedName(Name, "$stub");
           }
+          assert(MO.getTargetFlags() == 0);
         } else if (GV->hasHiddenVisibility()) {
           if (!GV->isDeclaration() && !GV->hasCommonLinkage())
             // Definition is not definitely in the current translation unit.
@@ -339,19 +340,21 @@
           else {
             HiddenGVStubs.insert(Name);
             printSuffixedName(Name, "$non_lazy_ptr");
+            assert(MO.getTargetFlags() == 0);
           }
         } else {
           GVStubs.insert(Name);
           printSuffixedName(Name, "$non_lazy_ptr");
+          assert(MO.getTargetFlags() == 0);
         }
       } else {
-        if (GV->hasDLLImportLinkage())
-          O << "__imp_";
         O << Name;
       }
     } else {
-      if (GV->hasDLLImportLinkage())
+      if (GV->hasDLLImportLinkage()) {
+        assert(MO.getTargetFlags() == 0);
         O << "__imp_";
+      }
       O << Name;
       
       if (shouldPrintPLT(TM, Subtarget)) {