Implement changes from Chris's feedback.
Finish converting lib/Target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75043 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp b/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
index 9432ff0..04e1cc8 100644
--- a/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
+++ b/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
@@ -185,7 +185,7 @@
       << MO.getIndex();
     break;
   default:
-    llvm_report_error("<unknown operand type>"); break;
+    LLVM_UNREACHABLE("<unknown operand type>");
   }
   if (CloseParen) O << ")";
 }
@@ -299,11 +299,11 @@
    case GlobalValue::InternalLinkage:
     break;
    case GlobalValue::GhostLinkage:
-    llvm_report_error("Should not have any unmaterialized functions!");
+    LLVM_UNREACHABLE("Should not have any unmaterialized functions!");
    case GlobalValue::DLLImportLinkage:
-    llvm_report_error("DLLImport linkage is not supported by this target!");
+    LLVM_UNREACHABLE("DLLImport linkage is not supported by this target!");
    case GlobalValue::DLLExportLinkage:
-    llvm_report_error("DLLExport linkage is not supported by this target!");
+    LLVM_UNREACHABLE("DLLExport linkage is not supported by this target!");
    default:
     LLVM_UNREACHABLE("Unknown linkage type!");
   }