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-rw-r--r--test/Frontend/noderef.cpp102
1 files changed, 102 insertions, 0 deletions
diff --git a/test/Frontend/noderef.cpp b/test/Frontend/noderef.cpp
new file mode 100644
index 0000000000000..15eb4e457c201
--- /dev/null
+++ b/test/Frontend/noderef.cpp
@@ -0,0 +1,102 @@
+// RUN: %clang_cc1 -fblocks -verify %s
+
+/**
+ * Test 'noderef' attribute with c++ constructs.
+ */
+
+#define NODEREF __attribute__((noderef))
+
+void Normal() {
+ int NODEREF i; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+ int NODEREF *i_ptr; // expected-note 2 {{i_ptr declared here}}
+ int NODEREF **i_ptr2; // ok
+ int *NODEREF i_ptr3; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+ int *NODEREF *i_ptr4; // ok
+
+ auto NODEREF *auto_i_ptr = i_ptr;
+ auto NODEREF auto_i = i; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+
+ struct {
+ int x;
+ int y;
+ } NODEREF *s;
+
+ int __attribute__((noderef(10))) * no_args; // expected-error{{'noderef' attribute takes no arguments}}
+
+ int i2 = *i_ptr; // expected-warning{{dereferencing i_ptr; was declared with a 'noderef' type}}
+ int &i3 = *i_ptr; // expected-warning{{dereferencing i_ptr; was declared with a 'noderef' type}}
+ int *i_ptr5 = i_ptr; // expected-warning{{casting to dereferenceable pointer removes 'noderef' attribute}}
+ int *i_ptr6(i_ptr); // expected-warning{{casting to dereferenceable pointer removes 'noderef' attribute}}
+}
+
+const int NODEREF *const_i_ptr;
+static int NODEREF *static_i_ptr;
+
+void ParenTypes() {
+ int NODEREF(*i_ptr); // ok (same as `int NODEREF *`)
+ int NODEREF *(*i_ptr2); // ok (same as `int NODEREF **`)
+}
+
+// Function declarations
+int NODEREF func(); // expected-warning{{'noderef' can only be used on an array or pointer type}}
+int NODEREF *func2(); // ok (returning pointer)
+
+typedef int NODEREF (*func3)(int); // expected-warning{{'noderef' can only be used on an array or pointer type}}
+typedef int NODEREF *(*func4)(int);
+
+void Arrays() {
+ int NODEREF i_arr[10]; // ok
+ int NODEREF i_arr2[10][10]; // ok
+ int NODEREF *i_arr3[10]; // ok
+ int NODEREF i_arr4[] = {1, 2};
+}
+
+void ParenArrays() {
+ int NODEREF(i_ptr[10]);
+ int NODEREF(i_ptr2[10])[10];
+}
+
+typedef int NODEREF *(*func5[10])(int);
+
+// Arguments
+void func6(int NODEREF x); // expected-warning{{'noderef' can only be used on an array or pointer type}}
+void func7(int NODEREF *x);
+void func8() NODEREF;
+
+void References() {
+ int x = 2;
+ int NODEREF &y = x; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+ int *xp = &x;
+ int NODEREF *&a = xp; // ok (reference to a NODEREF *)
+ int *NODEREF &b = xp; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+}
+
+void BlockPointers() {
+ typedef int NODEREF (^IntBlock)(); // expected-warning{{'noderef' can only be used on an array or pointer type}}
+}
+
+class A {
+public:
+ int member;
+ int NODEREF *member2;
+ int NODEREF member3; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+};
+
+void MemberPointer() {
+ int NODEREF A::*var = &A::member; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+}
+
+template <class Ty>
+class B {
+ Ty NODEREF *member;
+ Ty NODEREF member2; // expected-warning{{'noderef' can only be used on an array or pointer type}}
+};
+
+void test_lambdas() {
+ auto l = [](int NODEREF *x){ // expected-note{{x declared here}}
+ return *x; // expected-warning{{dereferencing x; was declared with a 'noderef' type}}
+ };
+}
+
+int NODEREF *glob_ptr; // expected-note{{glob_ptr declared here}}
+int glob_int = *glob_ptr; // expected-warning{{dereferencing glob_ptr; was declared with a 'noderef' type}}