1 files changed, 233 insertions, 0 deletions
diff --git a/test/AST/ast-dump-attr.cpp b/test/AST/ast-dump-attr.cpp
new file mode 100644
index 0000000000000..b0b08dd6f00ed
--- /dev/null
+++ b/test/AST/ast-dump-attr.cpp
@@ -0,0 +1,233 @@
+// RUN: %clang_cc1 -triple x86_64-pc-linux -std=c++11 -Wno-deprecated-declarations -ast-dump -ast-dump-filter Test %s | FileCheck --strict-whitespace %s
+
+int TestLocation
+__attribute__((unused));
+// CHECK:      VarDecl{{.*}}TestLocation
+// CHECK-NEXT:   UnusedAttr 0x{{[^ ]*}} <line:[[@LINE-2]]:16>
+
+int TestIndent
+__attribute__((unused));
+// CHECK:      {{^}}VarDecl{{.*TestIndent[^()]*$}}
+// CHECK-NEXT: {{^}}`-UnusedAttr{{[^()]*$}}
+
+void TestAttributedStmt() {
+  switch (1) {
+  case 1:
+    [[clang::fallthrough]];
+  case 2:
+    ;
+  }
+}
+// CHECK:      FunctionDecl{{.*}}TestAttributedStmt
+// CHECK:      AttributedStmt
+// CHECK-NEXT:   FallThroughAttr
+// CHECK-NEXT:   NullStmt
+
+[[clang::warn_unused_result]] int TestCXX11DeclAttr();
+// CHECK:      FunctionDecl{{.*}}TestCXX11DeclAttr
+// CHECK-NEXT:   WarnUnusedResultAttr
+
+int TestAlignedNull __attribute__((aligned));
+// CHECK:      VarDecl{{.*}}TestAlignedNull
+// CHECK-NEXT:   AlignedAttr {{.*}} aligned
+// CHECK-NEXT:     <<<NULL>>>
+
+int TestAlignedExpr __attribute__((aligned(4)));
+// CHECK:      VarDecl{{.*}}TestAlignedExpr
+// CHECK-NEXT:   AlignedAttr {{.*}} aligned
+// CHECK-NEXT:     ConstantExpr
+// CHECK-NEXT:       IntegerLiteral
+
+int TestEnum __attribute__((visibility("default")));
+// CHECK:      VarDecl{{.*}}TestEnum
+// CHECK-NEXT:   VisibilityAttr{{.*}} Default
+
+class __attribute__((lockable)) Mutex {
+} mu1, mu2;
+int TestExpr __attribute__((guarded_by(mu1)));
+// CHECK:      VarDecl{{.*}}TestExpr
+// CHECK-NEXT:   GuardedByAttr
+// CHECK-NEXT:     DeclRefExpr{{.*}}mu1
+
+class Mutex TestVariadicExpr __attribute__((acquired_after(mu1, mu2)));
+// CHECK:      VarDecl{{.*}}TestVariadicExpr
+// CHECK:        AcquiredAfterAttr
+// CHECK-NEXT:     DeclRefExpr{{.*}}mu1
+// CHECK-NEXT:     DeclRefExpr{{.*}}mu2
+
+void function1(void *) {
+  int TestFunction __attribute__((cleanup(function1)));
+}
+// CHECK:      VarDecl{{.*}}TestFunction
+// CHECK-NEXT:   CleanupAttr{{.*}} Function{{.*}}function1
+
+void TestIdentifier(void *, int)
+__attribute__((pointer_with_type_tag(ident1,1,2)));
+// CHECK: FunctionDecl{{.*}}TestIdentifier
+// CHECK:   ArgumentWithTypeTagAttr{{.*}} pointer_with_type_tag ident1
+
+void TestBool(void *, int)
+__attribute__((pointer_with_type_tag(bool1,1,2)));
+// CHECK: FunctionDecl{{.*}}TestBool
+// CHECK:   ArgumentWithTypeTagAttr{{.*}}pointer_with_type_tag bool1 1 2 IsPointer
+
+void TestUnsigned(void *, int)
+__attribute__((pointer_with_type_tag(unsigned1,1,2)));
+// CHECK: FunctionDecl{{.*}}TestUnsigned
+// CHECK:   ArgumentWithTypeTagAttr{{.*}} pointer_with_type_tag unsigned1 1 2
+
+void TestInt(void) __attribute__((constructor(123)));
+// CHECK:      FunctionDecl{{.*}}TestInt
+// CHECK-NEXT:   ConstructorAttr{{.*}} 123
+
+static int TestString __attribute__((alias("alias1")));
+// CHECK:      VarDecl{{.*}}TestString
+// CHECK-NEXT:   AliasAttr{{.*}} "alias1"
+
+extern struct s1 TestType
+__attribute__((type_tag_for_datatype(ident1,int)));
+// CHECK:      VarDecl{{.*}}TestType
+// CHECK-NEXT:   TypeTagForDatatypeAttr{{.*}} int
+
+void TestLabel() {
+L: __attribute__((unused)) int i;
+// CHECK: LabelStmt{{.*}}'L'
+// CHECK: VarDecl{{.*}}i 'int'
+// CHECK-NEXT: UnusedAttr{{.*}}
+
+M: __attribute(()) int j;
+// CHECK: LabelStmt {{.*}} 'M'
+// CHECK-NEXT: DeclStmt
+// CHECK-NEXT: VarDecl {{.*}} j 'int'
+
+N: __attribute(()) ;
+// CHECK: LabelStmt {{.*}} 'N'
+// CHECK-NEXT: NullStmt
+}
+
+namespace Test {
+extern "C" int printf(const char *format, ...);
+// CHECK: FunctionDecl{{.*}}printf
+// CHECK-NEXT: ParmVarDecl{{.*}}format{{.*}}'const char *'
+// CHECK-NEXT: FormatAttr{{.*}}Implicit printf 1 2
+
+alignas(8) extern int x;
+extern int x;
+// CHECK: VarDecl{{.*}} x 'int'
+// CHECK: VarDecl{{.*}} x 'int'
+// CHECK-NEXT: AlignedAttr{{.*}} Inherited
+}
+
+int __attribute__((cdecl)) TestOne(void), TestTwo(void);
+// CHECK: FunctionDecl{{.*}}TestOne{{.*}}__attribute__((cdecl))
+// CHECK: FunctionDecl{{.*}}TestTwo{{.*}}__attribute__((cdecl))
+
+void func() {
+  auto Test = []() __attribute__((no_thread_safety_analysis)) {};
+  // CHECK: CXXMethodDecl{{.*}}operator() 'void () const'
+  // CHECK: NoThreadSafetyAnalysisAttr
+
+  // Because GNU's noreturn applies to the function type, and this lambda does
+  // not have a capture list, the call operator and the function pointer
+  // conversion should both be noreturn, but the method should not contain a
+  // NoReturnAttr because the attribute applied to the type.
+  auto Test2 = []() __attribute__((noreturn)) { while(1); };
+  // CHECK: CXXMethodDecl{{.*}}operator() 'void () __attribute__((noreturn)) const'
+  // CHECK-NOT: NoReturnAttr
+  // CHECK: CXXConversionDecl{{.*}}operator void (*)() __attribute__((noreturn))
+}
+
+namespace PR20930 {
+struct S {
+  struct { int Test __attribute__((deprecated)); };
+  // CHECK: FieldDecl{{.*}}Test 'int'
+  // CHECK-NEXT: DeprecatedAttr
+};
+
+void f() {
+  S s;
+  s.Test = 1;
+  // CHECK: IndirectFieldDecl{{.*}}Test 'int'
+  // CHECK: DeprecatedAttr
+}
+}
+
+struct __attribute__((objc_bridge_related(NSParagraphStyle,,))) TestBridgedRef;
+// CHECK: CXXRecordDecl{{.*}} struct TestBridgedRef
+// CHECK-NEXT: ObjCBridgeRelatedAttr{{.*}} NSParagraphStyle
+
+void TestExternalSourceSymbolAttr1()
+__attribute__((external_source_symbol(language="Swift", defined_in="module", generated_declaration)));
+// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr1
+// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module" GeneratedDeclaration
+
+void TestExternalSourceSymbolAttr2()
+__attribute__((external_source_symbol(defined_in="module", language="Swift")));
+// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr2
+// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module"{{$}}
+
+void TestExternalSourceSymbolAttr3()
+__attribute__((external_source_symbol(generated_declaration, language="Objective-C++", defined_in="module")));
+// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr3
+// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Objective-C++" "module" GeneratedDeclaration
+
+void TestExternalSourceSymbolAttr4()
+__attribute__((external_source_symbol(defined_in="Some external file.cs", generated_declaration, language="C Sharp")));
+// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr4
+// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "C Sharp" "Some external file.cs" GeneratedDeclaration
+
+void TestExternalSourceSymbolAttr5()
+__attribute__((external_source_symbol(generated_declaration, defined_in="module", language="Swift")));
+// CHECK: FunctionDecl{{.*}} TestExternalSourceSymbolAttr5
+// CHECK-NEXT: ExternalSourceSymbolAttr{{.*}} "Swift" "module" GeneratedDeclaration
+
+namespace TestNoEscape {
+  void noescapeFunc(int *p0, __attribute__((noescape)) int *p1) {}
+  // CHECK: `-FunctionDecl{{.*}} noescapeFunc 'void (int *, __attribute__((noescape)) int *)'
+  // CHECK-NEXT: ParmVarDecl
+  // CHECK-NEXT: ParmVarDecl
+  // CHECK-NEXT: NoEscapeAttr
+}
+
+namespace TestSuppress {
+  [[gsl::suppress("at-namespace")]];
+  // CHECK: NamespaceDecl{{.*}} TestSuppress
+  // CHECK-NEXT: EmptyDecl{{.*}}
+  // CHECK-NEXT: SuppressAttr{{.*}} at-namespace
+  [[gsl::suppress("on-decl")]]
+  void TestSuppressFunction();
+  // CHECK: FunctionDecl{{.*}} TestSuppressFunction
+  // CHECK-NEXT SuppressAttr{{.*}} on-decl
+
+  void f() {
+      int *i;
+
+      [[gsl::suppress("on-stmt")]] {
+      // CHECK: AttributedStmt
+      // CHECK-NEXT: SuppressAttr{{.*}} on-stmt
+      // CHECK-NEXT: CompoundStmt
+        i = reinterpret_cast<int*>(7);
+      }
+    }
+}
+
+// Verify the order of attributes in the Ast. It must reflect the order
+// in the parsed source.
+int mergeAttrTest() __attribute__((deprecated)) __attribute__((warn_unused_result));
+int mergeAttrTest() __attribute__((annotate("test")));
+int mergeAttrTest() __attribute__((unused,no_thread_safety_analysis));
+// CHECK: FunctionDecl{{.*}} mergeAttrTest
+// CHECK-NEXT: DeprecatedAttr
+// CHECK-NEXT: WarnUnusedResultAttr
+
+// CHECK: FunctionDecl{{.*}} mergeAttrTest
+// CHECK-NEXT: DeprecatedAttr{{.*}} Inherited
+// CHECK-NEXT: WarnUnusedResultAttr{{.*}} Inherited
+// CHECK-NEXT: AnnotateAttr{{.*}}
+
+// CHECK: FunctionDecl{{.*}} mergeAttrTest
+// CHECK-NEXT: DeprecatedAttr{{.*}} Inherited
+// CHECK-NEXT: WarnUnusedResultAttr{{.*}} Inherited
+// CHECK-NEXT: AnnotateAttr{{.*}} Inherited
+// CHECK-NEXT: UnusedAttr
+// CHECK-NEXT: NoThreadSafetyAnalysisAttr