[refactor] rename field references in __builtin_offsetof

rdar://33875453

llvm-svn: 317599

1 files changed, 32 insertions, 0 deletions

diff --git a/clang/test/Refactor/LocalRename/BuiltinOffsetof.cpp b/clang/test/Refactor/LocalRename/BuiltinOffsetof.cpp
new file mode 100644
index 00000000000..3119eeb7e52
--- /dev/null
+++ b/clang/test/Refactor/LocalRename/BuiltinOffsetof.cpp
@@ -0,0 +1,32 @@
+// RUN: clang-refactor local-rename -selection=test:%s -new-name=bar %s -- | grep -v CHECK | FileCheck %s
+
+struct Struct {
+  int /*range f=*/field;
+};
+
+struct Struct2 {
+  Struct /*range array=*/array[4][2];
+};
+
+void foo() {
+  (void)__builtin_offsetof(Struct, /*range f=*/field);
+  (void)__builtin_offsetof(Struct2, /*range array=*/array[1][0]./*range f=*/field);
+}
+
+#define OFFSET_OF_(X, Y) __builtin_offsetof(X, Y)
+
+class SubclassOffsetof : public Struct {
+  void foo() {
+    (void)OFFSET_OF_(SubclassOffsetof, field);
+  }
+};
+
+// CHECK: 2 'array' results:
+// CHECK: Struct /*range array=*/bar[4][2];
+// CHECK: __builtin_offsetof(Struct2, /*range array=*/bar[1][0]./*range f=*/field);
+
+// CHECK: 3 'f' results:
+// CHECK: int /*range f=*/bar;
+// CHECK: __builtin_offsetof(Struct, /*range f=*/bar);
+// CHECK-NEXT: __builtin_offsetof(Struct2, /*range array=*/array[1][0]./*range f=*/bar);
+// CHECK: OFFSET_OF_(SubclassOffsetof, bar);