AST: unindent CFConstantStringDecl by inverting condition (NFC)

Unindent the body of the function by inverting check at the top.  This is in
preparation for supporting CFString's new ABI with swift.  NFC.

llvm-svn: 345159

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 8e7b747..2a38d5e 100644 (file)
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -5755,50 +5755,48 @@ int ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const {
 }
 
 TypedefDecl *ASTContext::getCFConstantStringDecl() const {
-  if (!CFConstantStringTypeDecl) {
-    assert(!CFConstantStringTagDecl &&
-           "tag and typedef should be initialized together");
-    CFConstantStringTagDecl = buildImplicitRecord("__NSConstantString_tag");
-    CFConstantStringTagDecl->startDefinition();
-
-    QualType FieldTypes[4];
-    const char *FieldNames[4];
-
-    // const int *isa;
-    FieldTypes[0] = getPointerType(IntTy.withConst());
-    FieldNames[0] = "isa";
-    // int flags;
-    FieldTypes[1] = IntTy;
-    FieldNames[1] = "flags";
-    // const char *str;
-    FieldTypes[2] = getPointerType(CharTy.withConst());
-    FieldNames[2] = "str";
-    // long length;
-    FieldTypes[3] = LongTy;
-    FieldNames[3] = "length";
-
-    // Create fields
-    for (unsigned i = 0; i < 4; ++i) {
-      FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTagDecl,
-                                           SourceLocation(),
-                                           SourceLocation(),
-                                           &Idents.get(FieldNames[i]),
-                                           FieldTypes[i], /*TInfo=*/nullptr,
-                                           /*BitWidth=*/nullptr,
-                                           /*Mutable=*/false,
-                                           ICIS_NoInit);
-      Field->setAccess(AS_public);
-      CFConstantStringTagDecl->addDecl(Field);
-    }
-
-    CFConstantStringTagDecl->completeDefinition();
-    // This type is designed to be compatible with NSConstantString, but cannot
-    // use the same name, since NSConstantString is an interface.
-    auto tagType = getTagDeclType(CFConstantStringTagDecl);
-    CFConstantStringTypeDecl =
-        buildImplicitTypedef(tagType, "__NSConstantString");
+  if (CFConstantStringTypeDecl)
+    return CFConstantStringTypeDecl;
+
+  assert(!CFConstantStringTagDecl &&
+         "tag and typedef should be initialized together");
+  CFConstantStringTagDecl = buildImplicitRecord("__NSConstantString_tag");
+  CFConstantStringTagDecl->startDefinition();
+
+  QualType FieldTypes[4];
+  const char *FieldNames[4];
+
+  // const int *isa;
+  FieldTypes[0] = getPointerType(IntTy.withConst());
+  FieldNames[0] = "isa";
+  // int flags;
+  FieldTypes[1] = IntTy;
+  FieldNames[1] = "flags";
+  // const char *str;
+  FieldTypes[2] = getPointerType(CharTy.withConst());
+  FieldNames[2] = "str";
+  // long length;
+  FieldTypes[3] = LongTy;
+  FieldNames[3] = "length";
+
+  // Create fields
+  for (unsigned i = 0; i < 4; ++i) {
+    FieldDecl *Field =
+        FieldDecl::Create(*this, CFConstantStringTagDecl, SourceLocation(),
+                          SourceLocation(), &Idents.get(FieldNames[i]),
+                          FieldTypes[i], /*TInfo=*/nullptr,
+                          /*BitWidth=*/nullptr, /*Mutable=*/false, ICIS_NoInit);
+    Field->setAccess(AS_public);
+    CFConstantStringTagDecl->addDecl(Field);
   }
 
+  CFConstantStringTagDecl->completeDefinition();
+  // This type is designed to be compatible with NSConstantString, but cannot
+  // use the same name, since NSConstantString is an interface.
+  auto tagType = getTagDeclType(CFConstantStringTagDecl);
+  CFConstantStringTypeDecl =
+      buildImplicitTypedef(tagType, "__NSConstantString");
+
   return CFConstantStringTypeDecl;
 }