Format some case labels and shrink an anonymous namespace NFC

llvm-svn: 308889
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index b5370e5..ec0f007 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -545,8 +545,6 @@
   }
 }
 
-namespace {
-
 static SourceLanguage MapDWLangToCVLang(unsigned DWLang) {
   switch (DWLang) {
   case dwarf::DW_LANG_C:
@@ -580,9 +578,11 @@
   }
 }
 
+namespace {
 struct Version {
   int Part[4];
 };
+} // end anonymous namespace
 
 // Takes a StringRef like "clang 4.0.0.0 (other nonsense 123)" and parses out
 // the version number.
@@ -605,22 +605,19 @@
 
 static CPUType mapArchToCVCPUType(Triple::ArchType Type) {
   switch (Type) {
-    case Triple::ArchType::x86:
-      return CPUType::Pentium3;
-    case Triple::ArchType::x86_64:
-      return CPUType::X64;
-    case Triple::ArchType::thumb:
-      return CPUType::Thumb;
-    case Triple::ArchType::aarch64:
-      return CPUType::ARM64;
-    default:
-      report_fatal_error("target architecture doesn't map to a CodeView "
-                         "CPUType");
+  case Triple::ArchType::x86:
+    return CPUType::Pentium3;
+  case Triple::ArchType::x86_64:
+    return CPUType::X64;
+  case Triple::ArchType::thumb:
+    return CPUType::Thumb;
+  case Triple::ArchType::aarch64:
+    return CPUType::ARM64;
+  default:
+    report_fatal_error("target architecture doesn't map to a CodeView CPUType");
   }
 }
 
-} // end anonymous namespace
-
 void CodeViewDebug::emitCompilerInformation() {
   MCContext &Context = MMI->getContext();
   MCSymbol *CompilerBegin = Context.createTempSymbol(),