Add the clang library to the repo (with some of my changes, too).

1 files changed, 1345 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/warn-thread-safety-parsing.cpp b/clang/test/SemaCXX/warn-thread-safety-parsing.cpp
new file mode 100644
index 0000000..c2fa1d7
--- /dev/null
+++ b/clang/test/SemaCXX/warn-thread-safety-parsing.cpp
@@ -0,0 +1,1345 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -Wthread-safety %s
+
+#define LOCKABLE            __attribute__ ((lockable))
+#define SCOPED_LOCKABLE     __attribute__ ((scoped_lockable))
+#define GUARDED_BY(x)       __attribute__ ((guarded_by(x)))
+#define GUARDED_VAR         __attribute__ ((guarded_var))
+#define PT_GUARDED_BY(x)    __attribute__ ((pt_guarded_by(x)))
+#define PT_GUARDED_VAR      __attribute__ ((pt_guarded_var))
+#define ACQUIRED_AFTER(...) __attribute__ ((acquired_after(__VA_ARGS__)))
+#define ACQUIRED_BEFORE(...) __attribute__ ((acquired_before(__VA_ARGS__)))
+#define EXCLUSIVE_LOCK_FUNCTION(...)   __attribute__ ((exclusive_lock_function(__VA_ARGS__)))
+#define SHARED_LOCK_FUNCTION(...)      __attribute__ ((shared_lock_function(__VA_ARGS__)))
+#define EXCLUSIVE_TRYLOCK_FUNCTION(...) __attribute__ ((exclusive_trylock_function(__VA_ARGS__)))
+#define SHARED_TRYLOCK_FUNCTION(...)    __attribute__ ((shared_trylock_function(__VA_ARGS__)))
+#define UNLOCK_FUNCTION(...)            __attribute__ ((unlock_function(__VA_ARGS__)))
+#define LOCK_RETURNED(x)    __attribute__ ((lock_returned(x)))
+#define LOCKS_EXCLUDED(...) __attribute__ ((locks_excluded(__VA_ARGS__)))
+#define EXCLUSIVE_LOCKS_REQUIRED(...) \
+  __attribute__ ((exclusive_locks_required(__VA_ARGS__)))
+#define SHARED_LOCKS_REQUIRED(...) \
+  __attribute__ ((shared_locks_required(__VA_ARGS__)))
+#define NO_THREAD_SAFETY_ANALYSIS  __attribute__ ((no_thread_safety_analysis))
+
+
+class __attribute__((lockable)) Mu {
+  public:
+  void Lock();
+};
+
+class UnlockableMu{
+};
+
+class MuWrapper {
+  public:
+  Mu mu;
+  Mu getMu() {
+    return mu;
+  }
+  Mu * getMuPointer() {
+    return μ
+  }
+};
+
+
+class MuDoubleWrapper {
+  public:
+  MuWrapper* muWrapper;
+  MuWrapper* getWrapper() {
+    return muWrapper;
+  }
+};
+
+Mu mu1;
+UnlockableMu umu;
+Mu mu2;
+MuWrapper muWrapper;
+MuDoubleWrapper muDoubleWrapper;
+Mu* muPointer;
+Mu ** muDoublePointer = & muPointer;
+Mu& muRef = mu1;
+
+//---------------------------------------//
+// Scoping tests
+//--------------------------------------//
+
+class Foo {
+  Mu foomu;    
+  void needLock() __attribute__((exclusive_lock_function(foomu)));
+};
+
+class Foo2 {
+  void needLock() __attribute__((exclusive_lock_function(foomu)));
+  Mu foomu;    
+};
+
+class Bar {
+ Mu barmu;
+ Mu barmu2 __attribute__((acquired_after(barmu)));
+};
+
+
+//-----------------------------------------//
+//   No Thread Safety Analysis (noanal)    //
+//-----------------------------------------//
+
+// FIXME: Right now we cannot parse attributes put on function definitions
+// We would like to patch this at some point.
+
+#if !__has_attribute(no_thread_safety_analysis)
+#error "Should support no_thread_safety_analysis attribute"
+#endif
+
+void noanal_fun() __attribute__((no_thread_safety_analysis));
+
+void noanal_fun_args() __attribute__((no_thread_safety_analysis(1))); // \
+  // expected-error {{attribute takes no arguments}}
+
+int noanal_testfn(int y) __attribute__((no_thread_safety_analysis));
+
+int noanal_testfn(int y) {
+  int x __attribute__((no_thread_safety_analysis)) = y; // \
+    // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}}
+  return x;
+};
+
+int noanal_test_var __attribute__((no_thread_safety_analysis)); // \
+  // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}}
+
+class NoanalFoo {
+ private:
+  int test_field __attribute__((no_thread_safety_analysis)); // \
+    // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}}
+  void test_method() __attribute__((no_thread_safety_analysis));
+};
+
+class __attribute__((no_thread_safety_analysis)) NoanalTestClass { // \
+  // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}}
+};
+
+void noanal_fun_params(int lvar __attribute__((no_thread_safety_analysis))); // \
+  // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}}
+
+
+//-----------------------------------------//
+//  Guarded Var Attribute (gv)
+//-----------------------------------------//
+
+#if !__has_attribute(guarded_var)
+#error "Should support guarded_var attribute"
+#endif
+
+int gv_var_noargs __attribute__((guarded_var));
+
+int gv_var_args __attribute__((guarded_var(1))); // \
+  // expected-error {{attribute takes no arguments}}
+
+class GVFoo {
+ private:
+  int gv_field_noargs __attribute__((guarded_var));
+  int gv_field_args __attribute__((guarded_var(1))); // \
+    // expected-error {{attribute takes no arguments}}
+};
+
+class __attribute__((guarded_var)) GV { // \
+  // expected-warning {{'guarded_var' attribute only applies to fields and global variables}}
+};
+
+void gv_function() __attribute__((guarded_var)); // \
+  // expected-warning {{'guarded_var' attribute only applies to fields and global variables}}
+
+void gv_function_params(int gv_lvar __attribute__((guarded_var))); // \
+  // expected-warning {{'guarded_var' attribute only applies to fields and global variables}}
+
+int gv_testfn(int y){
+  int x __attribute__((guarded_var)) = y; // \
+    // expected-warning {{'guarded_var' attribute only applies to fields and global variables}}
+  return x;
+}
+
+//-----------------------------------------//
+//   Pt Guarded Var Attribute (pgv)
+//-----------------------------------------//
+
+//FIXME: add support for boost::scoped_ptr<int> fancyptr  and references
+
+#if !__has_attribute(pt_guarded_var)
+#error "Should support pt_guarded_var attribute"
+#endif
+
+int *pgv_pt_var_noargs __attribute__((pt_guarded_var));
+
+int pgv_var_noargs __attribute__((pt_guarded_var)); // \
+    // expected-warning {{'pt_guarded_var' only applies to pointer types; type here is 'int'}}
+
+class PGVFoo {
+ private:
+  int *pt_field_noargs __attribute__((pt_guarded_var));
+  int field_noargs __attribute__((pt_guarded_var)); // \
+    // expected-warning {{'pt_guarded_var' only applies to pointer types; type here is 'int'}}
+  int *gv_field_args __attribute__((pt_guarded_var(1))); // \
+    // expected-error {{attribute takes no arguments}}
+};
+
+class __attribute__((pt_guarded_var)) PGV { // \
+  // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}}
+};
+
+int *pgv_var_args __attribute__((pt_guarded_var(1))); // \
+  // expected-error {{attribute takes no arguments}}
+
+
+void pgv_function() __attribute__((pt_guarded_var)); // \
+  // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}}
+
+void pgv_function_params(int *gv_lvar __attribute__((pt_guarded_var))); // \
+  // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}}
+
+void pgv_testfn(int y){
+  int *x __attribute__((pt_guarded_var)) = new int(0); // \
+    // expected-warning {{'pt_guarded_var' attribute only applies to fields and global variables}}
+  delete x;
+}
+
+//-----------------------------------------//
+//  Lockable Attribute (l)
+//-----------------------------------------//
+
+//FIXME: In future we may want to add support for structs, ObjC classes, etc.
+
+#if !__has_attribute(lockable)
+#error "Should support lockable attribute"
+#endif
+
+class __attribute__((lockable)) LTestClass {
+};
+
+class __attribute__((lockable (1))) LTestClass_args { // \
+    // expected-error {{attribute takes no arguments}}
+};
+
+void l_test_function() __attribute__((lockable));  // \
+  // expected-warning {{'lockable' attribute only applies to classes}}
+
+int l_testfn(int y) {
+  int x __attribute__((lockable)) = y; // \
+    // expected-warning {{'lockable' attribute only applies to classes}}
+  return x;
+}
+
+int l_test_var __attribute__((lockable)); // \
+  // expected-warning {{'lockable' attribute only applies to classes}}
+
+class LFoo {
+ private:
+  int test_field __attribute__((lockable)); // \
+    // expected-warning {{'lockable' attribute only applies to classes}}
+  void test_method() __attribute__((lockable)); // \
+    // expected-warning {{'lockable' attribute only applies to classes}}
+};
+
+
+void l_function_params(int lvar __attribute__((lockable))); // \
+  // expected-warning {{'lockable' attribute only applies to classes}}
+
+
+//-----------------------------------------//
+//  Scoped Lockable Attribute (sl)
+//-----------------------------------------//
+
+#if !__has_attribute(scoped_lockable)
+#error "Should support scoped_lockable attribute"
+#endif
+
+class __attribute__((scoped_lockable)) SLTestClass {
+};
+
+class __attribute__((scoped_lockable (1))) SLTestClass_args { // \
+  // expected-error {{attribute takes no arguments}}
+};
+
+void sl_test_function() __attribute__((scoped_lockable));  // \
+  // expected-warning {{'scoped_lockable' attribute only applies to classes}}
+
+int sl_testfn(int y) {
+  int x __attribute__((scoped_lockable)) = y; // \
+    // expected-warning {{'scoped_lockable' attribute only applies to classes}}
+  return x;
+}
+
+int sl_test_var __attribute__((scoped_lockable)); // \
+  // expected-warning {{'scoped_lockable' attribute only applies to classes}}
+
+class SLFoo {
+ private:
+  int test_field __attribute__((scoped_lockable)); // \
+    // expected-warning {{'scoped_lockable' attribute only applies to classes}}
+  void test_method() __attribute__((scoped_lockable)); // \
+    // expected-warning {{'scoped_lockable' attribute only applies to classes}}
+};
+
+
+void sl_function_params(int lvar __attribute__((scoped_lockable))); // \
+  // expected-warning {{'scoped_lockable' attribute only applies to classes}}
+
+
+//-----------------------------------------//
+//  Guarded By Attribute (gb)
+//-----------------------------------------//
+
+// FIXME: Eventually, would we like this attribute to take more than 1 arg?
+
+#if !__has_attribute(guarded_by)
+#error "Should support guarded_by attribute"
+#endif
+
+//1. Check applied to the right types & argument number
+
+int gb_var_arg __attribute__((guarded_by(mu1)));
+
+int gb_var_args __attribute__((guarded_by(mu1, mu2))); // \
+  // expected-error {{attribute takes one argument}}
+
+int gb_var_noargs __attribute__((guarded_by)); // \
+  // expected-error {{attribute takes one argument}}
+
+class GBFoo {
+ private:
+  int gb_field_noargs __attribute__((guarded_by)); // \
+    // expected-error {{attribute takes one argument}}
+  int gb_field_args __attribute__((guarded_by(mu1)));
+};
+
+class __attribute__((guarded_by(mu1))) GB { // \
+  // expected-warning {{'guarded_by' attribute only applies to fields and global variables}}
+};
+
+void gb_function() __attribute__((guarded_by(mu1))); // \
+  // expected-warning {{'guarded_by' attribute only applies to fields and global variables}}
+
+void gb_function_params(int gv_lvar __attribute__((guarded_by(mu1)))); // \
+  // expected-warning {{'guarded_by' attribute only applies to fields and global variables}}
+
+int gb_testfn(int y){
+  int x __attribute__((guarded_by(mu1))) = y; // \
+    // expected-warning {{'guarded_by' attribute only applies to fields and global variables}}
+  return x;
+}
+
+//2. Check argument parsing.
+
+// legal attribute arguments
+int gb_var_arg_1 __attribute__((guarded_by(muWrapper.mu)));
+int gb_var_arg_2 __attribute__((guarded_by(muDoubleWrapper.muWrapper->mu)));
+int gb_var_arg_3 __attribute__((guarded_by(muWrapper.getMu())));
+int gb_var_arg_4 __attribute__((guarded_by(*muWrapper.getMuPointer())));
+int gb_var_arg_5 __attribute__((guarded_by(&mu1)));
+int gb_var_arg_6 __attribute__((guarded_by(muRef)));
+int gb_var_arg_7 __attribute__((guarded_by(muDoubleWrapper.getWrapper()->getMu())));
+int gb_var_arg_8 __attribute__((guarded_by(muPointer)));
+
+
+// illegal attribute arguments
+int gb_var_arg_bad_1 __attribute__((guarded_by(1))); // \
+  // expected-warning {{'guarded_by' attribute requires arguments that are class type or point to class type; type here is 'int'}}
+int gb_var_arg_bad_2 __attribute__((guarded_by("mu"))); // \
+  // expected-warning {{'guarded_by' attribute requires arguments that are class type or point to class type; type here is 'const char [3]'}}
+int gb_var_arg_bad_3 __attribute__((guarded_by(muDoublePointer))); // \
+  // expected-warning {{'guarded_by' attribute requires arguments that are class type or point to class type; type here is 'class Mu **'}}
+int gb_var_arg_bad_4 __attribute__((guarded_by(umu))); // \
+  // expected-warning {{'guarded_by' attribute requires arguments whose type is annotated with 'lockable' attribute; type here is 'class UnlockableMu'}}
+
+//3.
+// Thread Safety analysis tests
+
+
+//-----------------------------------------//
+//  Pt Guarded By Attribute (pgb)
+//-----------------------------------------//
+
+#if !__has_attribute(pt_guarded_by)
+#error "Should support pt_guarded_by attribute"
+#endif
+
+//1. Check applied to the right types & argument number
+
+int *pgb_var_noargs __attribute__((pt_guarded_by)); // \
+  // expected-error {{attribute takes one argument}}
+
+int *pgb_ptr_var_arg __attribute__((pt_guarded_by(mu1)));
+
+int *pgb_ptr_var_args __attribute__((guarded_by(mu1, mu2))); // \
+  // expected-error {{attribute takes one argument}}
+
+int pgb_var_args __attribute__((pt_guarded_by(mu1))); // \
+  // expected-warning {{'pt_guarded_by' only applies to pointer types; type here is 'int'}}
+
+class PGBFoo {
+ private:
+  int *pgb_field_noargs __attribute__((pt_guarded_by)); // \
+    // expected-error {{attribute takes one argument}}
+  int *pgb_field_args __attribute__((pt_guarded_by(mu1)));
+};
+
+class __attribute__((pt_guarded_by(mu1))) PGB { // \
+  // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}}
+};
+
+void pgb_function() __attribute__((pt_guarded_by(mu1))); // \
+  // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}}
+
+void pgb_function_params(int gv_lvar __attribute__((pt_guarded_by(mu1)))); // \
+  // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}}
+
+void pgb_testfn(int y){
+  int *x __attribute__((pt_guarded_by(mu1))) = new int(0); // \
+    // expected-warning {{'pt_guarded_by' attribute only applies to fields and global variables}}
+  delete x;
+}
+
+//2. Check argument parsing.
+
+// legal attribute arguments
+int * pgb_var_arg_1 __attribute__((pt_guarded_by(muWrapper.mu)));
+int * pgb_var_arg_2 __attribute__((pt_guarded_by(muDoubleWrapper.muWrapper->mu)));
+int * pgb_var_arg_3 __attribute__((pt_guarded_by(muWrapper.getMu())));
+int * pgb_var_arg_4 __attribute__((pt_guarded_by(*muWrapper.getMuPointer())));
+int * pgb_var_arg_5 __attribute__((pt_guarded_by(&mu1)));
+int * pgb_var_arg_6 __attribute__((pt_guarded_by(muRef)));
+int * pgb_var_arg_7 __attribute__((pt_guarded_by(muDoubleWrapper.getWrapper()->getMu())));
+int * pgb_var_arg_8 __attribute__((pt_guarded_by(muPointer)));
+
+
+// illegal attribute arguments
+int * pgb_var_arg_bad_1 __attribute__((pt_guarded_by(1))); // \
+  // expected-warning {{'pt_guarded_by' attribute requires arguments that are class type or point to class type}}
+int * pgb_var_arg_bad_2 __attribute__((pt_guarded_by("mu"))); // \
+  // expected-warning {{'pt_guarded_by' attribute requires arguments that are class type or point to class type}}
+int * pgb_var_arg_bad_3 __attribute__((pt_guarded_by(muDoublePointer))); // \
+  // expected-warning {{'pt_guarded_by' attribute requires arguments that are class type or point to class type}}
+int * pgb_var_arg_bad_4 __attribute__((pt_guarded_by(umu))); // \
+  // expected-warning {{'pt_guarded_by' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+//-----------------------------------------//
+//  Acquired After (aa)
+//-----------------------------------------//
+
+// FIXME: Would we like this attribute to take more than 1 arg?
+
+#if !__has_attribute(acquired_after)
+#error "Should support acquired_after attribute"
+#endif
+
+Mu mu_aa __attribute__((acquired_after(mu1)));
+
+Mu aa_var_noargs __attribute__((acquired_after)); // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+class AAFoo {
+ private:
+  Mu aa_field_noargs __attribute__((acquired_after)); // \
+    // expected-error {{attribute takes at least 1 argument}}
+  Mu aa_field_args __attribute__((acquired_after(mu1)));
+};
+
+class __attribute__((acquired_after(mu1))) AA { // \
+  // expected-warning {{'acquired_after' attribute only applies to fields and global variables}}
+};
+
+void aa_function() __attribute__((acquired_after(mu1))); // \
+  // expected-warning {{'acquired_after' attribute only applies to fields and global variables}}
+
+void aa_function_params(int gv_lvar __attribute__((acquired_after(mu1)))); // \
+  // expected-warning {{'acquired_after' attribute only applies to fields and global variables}}
+
+void aa_testfn(int y){
+  Mu x __attribute__((acquired_after(mu1))) = Mu(); // \
+    // expected-warning {{'acquired_after' attribute only applies to fields and global variables}}
+}
+
+//Check argument parsing.
+
+// legal attribute arguments
+Mu aa_var_arg_1 __attribute__((acquired_after(muWrapper.mu)));
+Mu aa_var_arg_2 __attribute__((acquired_after(muDoubleWrapper.muWrapper->mu)));
+Mu aa_var_arg_3 __attribute__((acquired_after(muWrapper.getMu())));
+Mu aa_var_arg_4 __attribute__((acquired_after(*muWrapper.getMuPointer())));
+Mu aa_var_arg_5 __attribute__((acquired_after(&mu1)));
+Mu aa_var_arg_6 __attribute__((acquired_after(muRef)));
+Mu aa_var_arg_7 __attribute__((acquired_after(muDoubleWrapper.getWrapper()->getMu())));
+Mu aa_var_arg_8 __attribute__((acquired_after(muPointer)));
+
+
+// illegal attribute arguments
+Mu aa_var_arg_bad_1 __attribute__((acquired_after(1))); // \
+  // expected-warning {{'acquired_after' attribute requires arguments that are class type or point to class type}}
+Mu aa_var_arg_bad_2 __attribute__((acquired_after("mu"))); // \
+  // expected-warning {{'acquired_after' attribute requires arguments that are class type or point to class type}}
+Mu aa_var_arg_bad_3 __attribute__((acquired_after(muDoublePointer))); // \
+  // expected-warning {{'acquired_after' attribute requires arguments that are class type or point to class type}}
+Mu aa_var_arg_bad_4 __attribute__((acquired_after(umu))); // \
+  // expected-warning {{'acquired_after' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+UnlockableMu aa_var_arg_bad_5 __attribute__((acquired_after(mu_aa))); // \
+  // expected-warning {{'acquired_after' attribute can only be applied in a context annotated with 'lockable' attribute}}
+
+//-----------------------------------------//
+//  Acquired Before (ab)
+//-----------------------------------------//
+
+#if !__has_attribute(acquired_before)
+#error "Should support acquired_before attribute"
+#endif
+
+Mu mu_ab __attribute__((acquired_before(mu1)));
+
+Mu ab_var_noargs __attribute__((acquired_before)); // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+class ABFoo {
+ private:
+  Mu ab_field_noargs __attribute__((acquired_before)); // \
+    // expected-error {{attribute takes at least 1 argument}}
+  Mu ab_field_args __attribute__((acquired_before(mu1)));
+};
+
+class __attribute__((acquired_before(mu1))) AB { // \
+  // expected-warning {{'acquired_before' attribute only applies to fields and global variables}}
+};
+
+void ab_function() __attribute__((acquired_before(mu1))); // \
+  // expected-warning {{'acquired_before' attribute only applies to fields and global variables}}
+
+void ab_function_params(int gv_lvar __attribute__((acquired_before(mu1)))); // \
+  // expected-warning {{'acquired_before' attribute only applies to fields and global variables}}
+
+void ab_testfn(int y){
+  Mu x __attribute__((acquired_before(mu1))) = Mu(); // \
+    // expected-warning {{'acquired_before' attribute only applies to fields and global variables}}
+}
+
+// Note: illegal int ab_int __attribute__((acquired_before(mu1))) will
+// be taken care of by warnings that ab__int is not lockable.
+
+//Check argument parsing.
+
+// legal attribute arguments
+Mu ab_var_arg_1 __attribute__((acquired_before(muWrapper.mu)));
+Mu ab_var_arg_2 __attribute__((acquired_before(muDoubleWrapper.muWrapper->mu)));
+Mu ab_var_arg_3 __attribute__((acquired_before(muWrapper.getMu())));
+Mu ab_var_arg_4 __attribute__((acquired_before(*muWrapper.getMuPointer())));
+Mu ab_var_arg_5 __attribute__((acquired_before(&mu1)));
+Mu ab_var_arg_6 __attribute__((acquired_before(muRef)));
+Mu ab_var_arg_7 __attribute__((acquired_before(muDoubleWrapper.getWrapper()->getMu())));
+Mu ab_var_arg_8 __attribute__((acquired_before(muPointer)));
+
+
+// illegal attribute arguments
+Mu ab_var_arg_bad_1 __attribute__((acquired_before(1))); // \
+  // expected-warning {{'acquired_before' attribute requires arguments that are class type or point to class type}}
+Mu ab_var_arg_bad_2 __attribute__((acquired_before("mu"))); // \
+  // expected-warning {{'acquired_before' attribute requires arguments that are class type or point to class type}}
+Mu ab_var_arg_bad_3 __attribute__((acquired_before(muDoublePointer))); // \
+  // expected-warning {{'acquired_before' attribute requires arguments that are class type or point to class type}}
+Mu ab_var_arg_bad_4 __attribute__((acquired_before(umu))); // \
+  // expected-warning {{'acquired_before' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+UnlockableMu ab_var_arg_bad_5 __attribute__((acquired_before(mu_ab))); // \
+  // expected-warning {{'acquired_before' attribute can only be applied in a context annotated with 'lockable' attribute}}
+
+
+//-----------------------------------------//
+//  Exclusive Lock Function (elf)
+//-----------------------------------------//
+
+#if !__has_attribute(exclusive_lock_function)
+#error "Should support exclusive_lock_function attribute"
+#endif
+
+// takes zero or more arguments, all locks (vars/fields)
+
+void elf_function() __attribute__((exclusive_lock_function));
+
+void elf_function_args() __attribute__((exclusive_lock_function(mu1, mu2)));
+
+int elf_testfn(int y) __attribute__((exclusive_lock_function));
+
+int elf_testfn(int y) {
+  int x __attribute__((exclusive_lock_function)) = y; // \
+    // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}}
+  return x;
+};
+
+int elf_test_var __attribute__((exclusive_lock_function)); // \
+  // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}}
+
+class ElfFoo {
+ private:
+  int test_field __attribute__((exclusive_lock_function)); // \
+    // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}}
+  void test_method() __attribute__((exclusive_lock_function));
+};
+
+class __attribute__((exclusive_lock_function)) ElfTestClass { // \
+  // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}}
+};
+
+void elf_fun_params(int lvar __attribute__((exclusive_lock_function))); // \
+  // expected-warning {{'exclusive_lock_function' attribute only applies to functions and methods}}
+
+// Check argument parsing.
+
+// legal attribute arguments
+int elf_function_1() __attribute__((exclusive_lock_function(muWrapper.mu)));
+int elf_function_2() __attribute__((exclusive_lock_function(muDoubleWrapper.muWrapper->mu)));
+int elf_function_3() __attribute__((exclusive_lock_function(muWrapper.getMu())));
+int elf_function_4() __attribute__((exclusive_lock_function(*muWrapper.getMuPointer())));
+int elf_function_5() __attribute__((exclusive_lock_function(&mu1)));
+int elf_function_6() __attribute__((exclusive_lock_function(muRef)));
+int elf_function_7() __attribute__((exclusive_lock_function(muDoubleWrapper.getWrapper()->getMu())));
+int elf_function_8() __attribute__((exclusive_lock_function(muPointer)));
+int elf_function_9(Mu x) __attribute__((exclusive_lock_function(1)));
+int elf_function_9(Mu x, Mu y) __attribute__((exclusive_lock_function(1,2)));
+
+
+// illegal attribute arguments
+int elf_function_bad_2() __attribute__((exclusive_lock_function("mu"))); // \
+  // expected-warning {{'exclusive_lock_function' attribute requires arguments that are class type or point to class type}}
+int elf_function_bad_3() __attribute__((exclusive_lock_function(muDoublePointer))); // \
+  // expected-warning {{'exclusive_lock_function' attribute requires arguments that are class type or point to class type}}
+int elf_function_bad_4() __attribute__((exclusive_lock_function(umu))); // \
+  // expected-warning {{'exclusive_lock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+int elf_function_bad_1() __attribute__((exclusive_lock_function(1))); // \
+  // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}}
+int elf_function_bad_5(Mu x) __attribute__((exclusive_lock_function(0))); // \
+  // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: can only be 1, since there is one parameter}}
+int elf_function_bad_6(Mu x, Mu y) __attribute__((exclusive_lock_function(0))); // \
+  // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: must be between 1 and 2}}
+int elf_function_bad_7() __attribute__((exclusive_lock_function(0))); // \
+  // expected-error {{'exclusive_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}}
+
+
+//-----------------------------------------//
+//  Shared Lock Function (slf)
+//-----------------------------------------//
+
+#if !__has_attribute(shared_lock_function)
+#error "Should support shared_lock_function attribute"
+#endif
+
+// takes zero or more arguments, all locks (vars/fields)
+
+void slf_function() __attribute__((shared_lock_function));
+
+void slf_function_args() __attribute__((shared_lock_function(mu1, mu2)));
+
+int slf_testfn(int y) __attribute__((shared_lock_function));
+
+int slf_testfn(int y) {
+  int x __attribute__((shared_lock_function)) = y; // \
+    // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}}
+  return x;
+};
+
+int slf_test_var __attribute__((shared_lock_function)); // \
+  // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}}
+
+void slf_fun_params(int lvar __attribute__((shared_lock_function))); // \
+  // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}}
+
+class SlfFoo {
+ private:
+  int test_field __attribute__((shared_lock_function)); // \
+    // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}}
+  void test_method() __attribute__((shared_lock_function));
+};
+
+class __attribute__((shared_lock_function)) SlfTestClass { // \
+  // expected-warning {{'shared_lock_function' attribute only applies to functions and methods}}
+};
+
+// Check argument parsing.
+
+// legal attribute arguments
+int slf_function_1() __attribute__((shared_lock_function(muWrapper.mu)));
+int slf_function_2() __attribute__((shared_lock_function(muDoubleWrapper.muWrapper->mu)));
+int slf_function_3() __attribute__((shared_lock_function(muWrapper.getMu())));
+int slf_function_4() __attribute__((shared_lock_function(*muWrapper.getMuPointer())));
+int slf_function_5() __attribute__((shared_lock_function(&mu1)));
+int slf_function_6() __attribute__((shared_lock_function(muRef)));
+int slf_function_7() __attribute__((shared_lock_function(muDoubleWrapper.getWrapper()->getMu())));
+int slf_function_8() __attribute__((shared_lock_function(muPointer)));
+int slf_function_9(Mu x) __attribute__((shared_lock_function(1)));
+int slf_function_9(Mu x, Mu y) __attribute__((shared_lock_function(1,2)));
+
+
+// illegal attribute arguments
+int slf_function_bad_2() __attribute__((shared_lock_function("mu"))); // \
+  // expected-warning {{'shared_lock_function' attribute requires arguments that are class type or point to class type}}
+int slf_function_bad_3() __attribute__((shared_lock_function(muDoublePointer))); // \
+  // expected-warning {{'shared_lock_function' attribute requires arguments that are class type or point to class type}}
+int slf_function_bad_4() __attribute__((shared_lock_function(umu))); // \
+  // expected-warning {{'shared_lock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+int slf_function_bad_1() __attribute__((shared_lock_function(1))); // \
+  // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}}
+int slf_function_bad_5(Mu x) __attribute__((shared_lock_function(0))); // \
+  // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: can only be 1, since there is one parameter}}
+int slf_function_bad_6(Mu x, Mu y) __attribute__((shared_lock_function(0))); // \
+  // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: must be between 1 and 2}}
+int slf_function_bad_7() __attribute__((shared_lock_function(0))); // \
+  // expected-error {{'shared_lock_function' attribute parameter 1 is out of bounds: no parameters to index into}}
+
+
+//-----------------------------------------//
+//  Exclusive TryLock Function (etf)
+//-----------------------------------------//
+
+#if !__has_attribute(exclusive_trylock_function)
+#error "Should support exclusive_trylock_function attribute"
+#endif
+
+// takes a mandatory boolean or integer argument specifying the retval
+// plus an optional list of locks (vars/fields)
+
+void etf_function() __attribute__((exclusive_trylock_function));  // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+void etf_function_args() __attribute__((exclusive_trylock_function(1, mu2)));
+
+void etf_function_arg() __attribute__((exclusive_trylock_function(1)));
+
+int etf_testfn(int y) __attribute__((exclusive_trylock_function(1)));
+
+int etf_testfn(int y) {
+  int x __attribute__((exclusive_trylock_function(1))) = y; // \
+    // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}}
+  return x;
+};
+
+int etf_test_var __attribute__((exclusive_trylock_function(1))); // \
+  // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}}
+
+class EtfFoo {
+ private:
+  int test_field __attribute__((exclusive_trylock_function(1))); // \
+    // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}}
+  void test_method() __attribute__((exclusive_trylock_function(1)));
+};
+
+class __attribute__((exclusive_trylock_function(1))) EtfTestClass { // \
+  // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}}
+};
+
+void etf_fun_params(int lvar __attribute__((exclusive_trylock_function(1)))); // \
+  // expected-warning {{'exclusive_trylock_function' attribute only applies to functions and methods}}
+
+// Check argument parsing.
+
+// legal attribute arguments
+int etf_function_1() __attribute__((exclusive_trylock_function(1, muWrapper.mu)));
+int etf_function_2() __attribute__((exclusive_trylock_function(1, muDoubleWrapper.muWrapper->mu)));
+int etf_function_3() __attribute__((exclusive_trylock_function(1, muWrapper.getMu())));
+int etf_function_4() __attribute__((exclusive_trylock_function(1, *muWrapper.getMuPointer())));
+int etf_function_5() __attribute__((exclusive_trylock_function(1, &mu1)));
+int etf_function_6() __attribute__((exclusive_trylock_function(1, muRef)));
+int etf_function_7() __attribute__((exclusive_trylock_function(1, muDoubleWrapper.getWrapper()->getMu())));
+int etf_functetfn_8() __attribute__((exclusive_trylock_function(1, muPointer)));
+int etf_function_9() __attribute__((exclusive_trylock_function(true)));
+
+
+// illegal attribute arguments
+int etf_function_bad_1() __attribute__((exclusive_trylock_function(mu1))); // \
+  // expected-error {{'exclusive_trylock_function' attribute first argument must be of int or bool type}}
+int etf_function_bad_2() __attribute__((exclusive_trylock_function("mu"))); // \
+  // expected-error {{'exclusive_trylock_function' attribute first argument must be of int or bool type}}
+int etf_function_bad_3() __attribute__((exclusive_trylock_function(muDoublePointer))); // \
+  // expected-error {{'exclusive_trylock_function' attribute first argument must be of int or bool type}}
+
+int etf_function_bad_4() __attribute__((exclusive_trylock_function(1, "mu"))); // \
+  // expected-warning {{'exclusive_trylock_function' attribute requires arguments that are class type or point to class type}}
+int etf_function_bad_5() __attribute__((exclusive_trylock_function(1, muDoublePointer))); // \
+  // expected-warning {{'exclusive_trylock_function' attribute requires arguments that are class type or point to class type}}
+int etf_function_bad_6() __attribute__((exclusive_trylock_function(1, umu))); // \
+  // expected-warning {{'exclusive_trylock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+//-----------------------------------------//
+//  Shared TryLock Function (stf)
+//-----------------------------------------//
+
+#if !__has_attribute(shared_trylock_function)
+#error "Should support shared_trylock_function attribute"
+#endif
+
+// takes a mandatory boolean or integer argument specifying the retval
+// plus an optional list of locks (vars/fields)
+
+void stf_function() __attribute__((shared_trylock_function));  // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+void stf_function_args() __attribute__((shared_trylock_function(1, mu2)));
+
+void stf_function_arg() __attribute__((shared_trylock_function(1)));
+
+int stf_testfn(int y) __attribute__((shared_trylock_function(1)));
+
+int stf_testfn(int y) {
+  int x __attribute__((shared_trylock_function(1))) = y; // \
+    // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}}
+  return x;
+};
+
+int stf_test_var __attribute__((shared_trylock_function(1))); // \
+  // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}}
+
+void stf_fun_params(int lvar __attribute__((shared_trylock_function(1)))); // \
+  // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}}
+
+
+class StfFoo {
+ private:
+  int test_field __attribute__((shared_trylock_function(1))); // \
+    // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}}
+  void test_method() __attribute__((shared_trylock_function(1)));
+};
+
+class __attribute__((shared_trylock_function(1))) StfTestClass { // \
+    // expected-warning {{'shared_trylock_function' attribute only applies to functions and methods}}
+};
+
+// Check argument parsing.
+
+// legal attribute arguments
+int stf_function_1() __attribute__((shared_trylock_function(1, muWrapper.mu)));
+int stf_function_2() __attribute__((shared_trylock_function(1, muDoubleWrapper.muWrapper->mu)));
+int stf_function_3() __attribute__((shared_trylock_function(1, muWrapper.getMu())));
+int stf_function_4() __attribute__((shared_trylock_function(1, *muWrapper.getMuPointer())));
+int stf_function_5() __attribute__((shared_trylock_function(1, &mu1)));
+int stf_function_6() __attribute__((shared_trylock_function(1, muRef)));
+int stf_function_7() __attribute__((shared_trylock_function(1, muDoubleWrapper.getWrapper()->getMu())));
+int stf_function_8() __attribute__((shared_trylock_function(1, muPointer)));
+int stf_function_9() __attribute__((shared_trylock_function(true)));
+
+
+// illegal attribute arguments
+int stf_function_bad_1() __attribute__((shared_trylock_function(mu1))); // \
+  // expected-error {{'shared_trylock_function' attribute first argument must be of int or bool type}}
+int stf_function_bad_2() __attribute__((shared_trylock_function("mu"))); // \
+  // expected-error {{'shared_trylock_function' attribute first argument must be of int or bool type}}
+int stf_function_bad_3() __attribute__((shared_trylock_function(muDoublePointer))); // \
+  // expected-error {{'shared_trylock_function' attribute first argument must be of int or bool type}}
+
+int stf_function_bad_4() __attribute__((shared_trylock_function(1, "mu"))); // \
+  // expected-warning {{'shared_trylock_function' attribute requires arguments that are class type or point to class type}}
+int stf_function_bad_5() __attribute__((shared_trylock_function(1, muDoublePointer))); // \
+  // expected-warning {{'shared_trylock_function' attribute requires arguments that are class type or point to class type}}
+int stf_function_bad_6() __attribute__((shared_trylock_function(1, umu))); // \
+  // expected-warning {{'shared_trylock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+//-----------------------------------------//
+//  Unlock Function (uf)
+//-----------------------------------------//
+
+#if !__has_attribute(unlock_function)
+#error "Should support unlock_function attribute"
+#endif
+
+// takes zero or more arguments, all locks (vars/fields)
+
+void uf_function() __attribute__((unlock_function));
+
+void uf_function_args() __attribute__((unlock_function(mu1, mu2)));
+
+int uf_testfn(int y) __attribute__((unlock_function));
+
+int uf_testfn(int y) {
+  int x __attribute__((unlock_function)) = y; // \
+    // expected-warning {{'unlock_function' attribute only applies to functions and methods}}
+  return x;
+};
+
+int uf_test_var __attribute__((unlock_function)); // \
+  // expected-warning {{'unlock_function' attribute only applies to functions and methods}}
+
+class UfFoo {
+ private:
+  int test_field __attribute__((unlock_function)); // \
+    // expected-warning {{'unlock_function' attribute only applies to functions and methods}}
+  void test_method() __attribute__((unlock_function));
+};
+
+class __attribute__((no_thread_safety_analysis)) UfTestClass { // \
+  // expected-warning {{'no_thread_safety_analysis' attribute only applies to functions and methods}}
+};
+
+void uf_fun_params(int lvar __attribute__((unlock_function))); // \
+  // expected-warning {{'unlock_function' attribute only applies to functions and methods}}
+
+// Check argument parsing.
+
+// legal attribute arguments
+int uf_function_1() __attribute__((unlock_function(muWrapper.mu)));
+int uf_function_2() __attribute__((unlock_function(muDoubleWrapper.muWrapper->mu)));
+int uf_function_3() __attribute__((unlock_function(muWrapper.getMu())));
+int uf_function_4() __attribute__((unlock_function(*muWrapper.getMuPointer())));
+int uf_function_5() __attribute__((unlock_function(&mu1)));
+int uf_function_6() __attribute__((unlock_function(muRef)));
+int uf_function_7() __attribute__((unlock_function(muDoubleWrapper.getWrapper()->getMu())));
+int uf_function_8() __attribute__((unlock_function(muPointer)));
+int uf_function_9(Mu x) __attribute__((unlock_function(1)));
+int uf_function_9(Mu x, Mu y) __attribute__((unlock_function(1,2)));
+
+
+// illegal attribute arguments
+int uf_function_bad_2() __attribute__((unlock_function("mu"))); // \
+  // expected-warning {{'unlock_function' attribute requires arguments that are class type or point to class type}}
+int uf_function_bad_3() __attribute__((unlock_function(muDoublePointer))); // \
+  // expected-warning {{'unlock_function' attribute requires arguments that are class type or point to class type}}
+int uf_function_bad_4() __attribute__((unlock_function(umu))); // \
+  // expected-warning {{'unlock_function' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+int uf_function_bad_1() __attribute__((unlock_function(1))); // \
+  // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: no parameters to index into}}
+int uf_function_bad_5(Mu x) __attribute__((unlock_function(0))); // \
+  // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: can only be 1, since there is one parameter}}
+int uf_function_bad_6(Mu x, Mu y) __attribute__((unlock_function(0))); // \
+  // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: must be between 1 and 2}}
+int uf_function_bad_7() __attribute__((unlock_function(0))); // \
+  // expected-error {{'unlock_function' attribute parameter 1 is out of bounds: no parameters to index into}}
+
+
+//-----------------------------------------//
+//  Lock Returned (lr)
+//-----------------------------------------//
+
+#if !__has_attribute(lock_returned)
+#error "Should support lock_returned attribute"
+#endif
+
+// Takes exactly one argument, a var/field
+
+void lr_function() __attribute__((lock_returned)); // \
+  // expected-error {{attribute takes one argument}}
+
+void lr_function_arg() __attribute__((lock_returned(mu1)));
+
+void lr_function_args() __attribute__((lock_returned(mu1, mu2))); // \
+  // expected-error {{attribute takes one argument}}
+
+int lr_testfn(int y) __attribute__((lock_returned(mu1)));
+
+int lr_testfn(int y) {
+  int x __attribute__((lock_returned(mu1))) = y; // \
+    // expected-warning {{'lock_returned' attribute only applies to functions and methods}}
+  return x;
+};
+
+int lr_test_var __attribute__((lock_returned(mu1))); // \
+  // expected-warning {{'lock_returned' attribute only applies to functions and methods}}
+
+void lr_fun_params(int lvar __attribute__((lock_returned(mu1)))); // \
+  // expected-warning {{'lock_returned' attribute only applies to functions and methods}}
+
+class LrFoo {
+ private:
+  int test_field __attribute__((lock_returned(mu1))); // \
+    // expected-warning {{'lock_returned' attribute only applies to functions and methods}}
+  void test_method() __attribute__((lock_returned(mu1)));
+};
+
+class __attribute__((lock_returned(mu1))) LrTestClass { // \
+    // expected-warning {{'lock_returned' attribute only applies to functions and methods}}
+};
+
+// Check argument parsing.
+
+// legal attribute arguments
+int lr_function_1() __attribute__((lock_returned(muWrapper.mu)));
+int lr_function_2() __attribute__((lock_returned(muDoubleWrapper.muWrapper->mu)));
+int lr_function_3() __attribute__((lock_returned(muWrapper.getMu())));
+int lr_function_4() __attribute__((lock_returned(*muWrapper.getMuPointer())));
+int lr_function_5() __attribute__((lock_returned(&mu1)));
+int lr_function_6() __attribute__((lock_returned(muRef)));
+int lr_function_7() __attribute__((lock_returned(muDoubleWrapper.getWrapper()->getMu())));
+int lr_function_8() __attribute__((lock_returned(muPointer)));
+
+
+// illegal attribute arguments
+int lr_function_bad_1() __attribute__((lock_returned(1))); // \
+  // expected-warning {{'lock_returned' attribute requires arguments that are class type or point to class type}}
+int lr_function_bad_2() __attribute__((lock_returned("mu"))); // \
+  // expected-warning {{'lock_returned' attribute requires arguments that are class type or point to class type}}
+int lr_function_bad_3() __attribute__((lock_returned(muDoublePointer))); // \
+  // expected-warning {{'lock_returned' attribute requires arguments that are class type or point to class type}}
+int lr_function_bad_4() __attribute__((lock_returned(umu))); // \
+  // expected-warning {{'lock_returned' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+
+//-----------------------------------------//
+//  Locks Excluded (le)
+//-----------------------------------------//
+
+#if !__has_attribute(locks_excluded)
+#error "Should support locks_excluded attribute"
+#endif
+
+// takes one or more arguments, all locks (vars/fields)
+
+void le_function() __attribute__((locks_excluded)); // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+void le_function_arg() __attribute__((locks_excluded(mu1)));
+
+void le_function_args() __attribute__((locks_excluded(mu1, mu2)));
+
+int le_testfn(int y) __attribute__((locks_excluded(mu1)));
+
+int le_testfn(int y) {
+  int x __attribute__((locks_excluded(mu1))) = y; // \
+    // expected-warning {{'locks_excluded' attribute only applies to functions and methods}}
+  return x;
+};
+
+int le_test_var __attribute__((locks_excluded(mu1))); // \
+  // expected-warning {{'locks_excluded' attribute only applies to functions and methods}}
+
+void le_fun_params(int lvar __attribute__((locks_excluded(mu1)))); // \
+  // expected-warning {{'locks_excluded' attribute only applies to functions and methods}}
+
+class LeFoo {
+ private:
+  int test_field __attribute__((locks_excluded(mu1))); // \
+    // expected-warning {{'locks_excluded' attribute only applies to functions and methods}}
+  void test_method() __attribute__((locks_excluded(mu1)));
+};
+
+class __attribute__((locks_excluded(mu1))) LeTestClass { // \
+  // expected-warning {{'locks_excluded' attribute only applies to functions and methods}}
+};
+
+// Check argument parsing.
+
+// legal attribute arguments
+int le_function_1() __attribute__((locks_excluded(muWrapper.mu)));
+int le_function_2() __attribute__((locks_excluded(muDoubleWrapper.muWrapper->mu)));
+int le_function_3() __attribute__((locks_excluded(muWrapper.getMu())));
+int le_function_4() __attribute__((locks_excluded(*muWrapper.getMuPointer())));
+int le_function_5() __attribute__((locks_excluded(&mu1)));
+int le_function_6() __attribute__((locks_excluded(muRef)));
+int le_function_7() __attribute__((locks_excluded(muDoubleWrapper.getWrapper()->getMu())));
+int le_function_8() __attribute__((locks_excluded(muPointer)));
+
+
+// illegal attribute arguments
+int le_function_bad_1() __attribute__((locks_excluded(1))); // \
+  // expected-warning {{'locks_excluded' attribute requires arguments that are class type or point to class type}}
+int le_function_bad_2() __attribute__((locks_excluded("mu"))); // \
+  // expected-warning {{'locks_excluded' attribute requires arguments that are class type or point to class type}}
+int le_function_bad_3() __attribute__((locks_excluded(muDoublePointer))); // \
+  // expected-warning {{'locks_excluded' attribute requires arguments that are class type or point to class type}}
+int le_function_bad_4() __attribute__((locks_excluded(umu))); // \
+  // expected-warning {{'locks_excluded' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+
+//-----------------------------------------//
+//  Exclusive Locks Required (elr)
+//-----------------------------------------//
+
+#if !__has_attribute(exclusive_locks_required)
+#error "Should support exclusive_locks_required attribute"
+#endif
+
+// takes one or more arguments, all locks (vars/fields)
+
+void elr_function() __attribute__((exclusive_locks_required)); // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+void elr_function_arg() __attribute__((exclusive_locks_required(mu1)));
+
+void elr_function_args() __attribute__((exclusive_locks_required(mu1, mu2)));
+
+int elr_testfn(int y) __attribute__((exclusive_locks_required(mu1)));
+
+int elr_testfn(int y) {
+  int x __attribute__((exclusive_locks_required(mu1))) = y; // \
+    // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}}
+  return x;
+};
+
+int elr_test_var __attribute__((exclusive_locks_required(mu1))); // \
+  // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}}
+
+void elr_fun_params(int lvar __attribute__((exclusive_locks_required(mu1)))); // \
+  // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}}
+
+class ElrFoo {
+ private:
+  int test_field __attribute__((exclusive_locks_required(mu1))); // \
+    // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}}
+  void test_method() __attribute__((exclusive_locks_required(mu1)));
+};
+
+class __attribute__((exclusive_locks_required(mu1))) ElrTestClass { // \
+  // expected-warning {{'exclusive_locks_required' attribute only applies to functions and methods}}
+};
+
+// Check argument parsing.
+
+// legal attribute arguments
+int elr_function_1() __attribute__((exclusive_locks_required(muWrapper.mu)));
+int elr_function_2() __attribute__((exclusive_locks_required(muDoubleWrapper.muWrapper->mu)));
+int elr_function_3() __attribute__((exclusive_locks_required(muWrapper.getMu())));
+int elr_function_4() __attribute__((exclusive_locks_required(*muWrapper.getMuPointer())));
+int elr_function_5() __attribute__((exclusive_locks_required(&mu1)));
+int elr_function_6() __attribute__((exclusive_locks_required(muRef)));
+int elr_function_7() __attribute__((exclusive_locks_required(muDoubleWrapper.getWrapper()->getMu())));
+int elr_function_8() __attribute__((exclusive_locks_required(muPointer)));
+
+
+// illegal attribute arguments
+int elr_function_bad_1() __attribute__((exclusive_locks_required(1))); // \
+  // expected-warning {{'exclusive_locks_required' attribute requires arguments that are class type or point to class type}}
+int elr_function_bad_2() __attribute__((exclusive_locks_required("mu"))); // \
+  // expected-warning {{'exclusive_locks_required' attribute requires arguments that are class type or point to class type}}
+int elr_function_bad_3() __attribute__((exclusive_locks_required(muDoublePointer))); // \
+  // expected-warning {{'exclusive_locks_required' attribute requires arguments that are class type or point to class type}}
+int elr_function_bad_4() __attribute__((exclusive_locks_required(umu))); // \
+  // expected-warning {{'exclusive_locks_required' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+
+
+//-----------------------------------------//
+//  Shared Locks Required (slr)
+//-----------------------------------------//
+
+#if !__has_attribute(shared_locks_required)
+#error "Should support shared_locks_required attribute"
+#endif
+
+// takes one or more arguments, all locks (vars/fields)
+
+void slr_function() __attribute__((shared_locks_required)); // \
+  // expected-error {{attribute takes at least 1 argument}}
+
+void slr_function_arg() __attribute__((shared_locks_required(mu1)));
+
+void slr_function_args() __attribute__((shared_locks_required(mu1, mu2)));
+
+int slr_testfn(int y) __attribute__((shared_locks_required(mu1)));
+
+int slr_testfn(int y) {
+  int x __attribute__((shared_locks_required(mu1))) = y; // \
+    // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}}
+  return x;
+};
+
+int slr_test_var __attribute__((shared_locks_required(mu1))); // \
+  // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}}
+
+void slr_fun_params(int lvar __attribute__((shared_locks_required(mu1)))); // \
+  // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}}
+
+class SlrFoo {
+ private:
+  int test_field __attribute__((shared_locks_required(mu1))); // \
+    // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}}
+  void test_method() __attribute__((shared_locks_required(mu1)));
+};
+
+class __attribute__((shared_locks_required(mu1))) SlrTestClass { // \
+  // expected-warning {{'shared_locks_required' attribute only applies to functions and methods}}
+};
+
+// Check argument parsing.
+
+// legal attribute arguments
+int slr_function_1() __attribute__((shared_locks_required(muWrapper.mu)));
+int slr_function_2() __attribute__((shared_locks_required(muDoubleWrapper.muWrapper->mu)));
+int slr_function_3() __attribute__((shared_locks_required(muWrapper.getMu())));
+int slr_function_4() __attribute__((shared_locks_required(*muWrapper.getMuPointer())));
+int slr_function_5() __attribute__((shared_locks_required(&mu1)));
+int slr_function_6() __attribute__((shared_locks_required(muRef)));
+int slr_function_7() __attribute__((shared_locks_required(muDoubleWrapper.getWrapper()->getMu())));
+int slr_function_8() __attribute__((shared_locks_required(muPointer)));
+
+
+// illegal attribute arguments
+int slr_function_bad_1() __attribute__((shared_locks_required(1))); // \
+  // expected-warning {{'shared_locks_required' attribute requires arguments that are class type or point to class type}}
+int slr_function_bad_2() __attribute__((shared_locks_required("mu"))); // \
+  // expected-warning {{'shared_locks_required' attribute requires arguments that are class type or point to class type}}
+int slr_function_bad_3() __attribute__((shared_locks_required(muDoublePointer))); // \
+  // expected-warning {{'shared_locks_required' attribute requires arguments that are class type or point to class type}}
+int slr_function_bad_4() __attribute__((shared_locks_required(umu))); // \
+  // expected-warning {{'shared_locks_required' attribute requires arguments whose type is annotated with 'lockable' attribute}}
+
+
+//-----------------------------------------//
+//  Regression tests for unusual cases.
+//-----------------------------------------//
+
+int trivially_false_edges(bool b) {
+  // Create NULL (never taken) edges in CFG
+  if (false) return 1;
+  else       return 2;
+}
+
+// Possible Clang bug -- method pointer in template parameter
+class UnFoo {
+public:
+  void foo();
+};
+
+template<void (UnFoo::*methptr)()>
+class MCaller {
+public:
+  static void call_method_ptr(UnFoo *f) {
+    // FIXME: Possible Clang bug:
+    // getCalleeDecl() returns NULL in the following case:
+    (f->*methptr)();
+  }
+};
+
+void call_method_ptr_inst(UnFoo* f) {
+  MCaller<&UnFoo::foo>::call_method_ptr(f);
+}
+
+int temp;
+void empty_back_edge() {
+  // Create a back edge to a block with with no statements
+  for (;;) {
+    ++temp;
+    if (temp > 10) break;
+  }
+}
+
+struct Foomger {
+  void operator++();
+};
+
+struct Foomgoper {
+  Foomger f;
+
+  bool done();
+  void invalid_back_edge() {
+    do {
+      // FIXME: Possible Clang bug:
+      // The first statement in this basic block has no source location
+      ++f;
+    } while (!done());
+  }
+};
+
+
+//-----------------------------------------------------
+// Parsing of member variables and function parameters
+//------------------------------------------------------
+
+Mu gmu;
+
+class StaticMu {
+  static Mu statmu;
+};
+
+class FooLate {
+public:
+  void foo1()           __attribute__((exclusive_locks_required(gmu)))   { }
+  void foo2()           __attribute__((exclusive_locks_required(mu)))    { }
+  void foo3(Mu *m)      __attribute__((exclusive_locks_required(m)))     { }
+  void foo3(FooLate *f) __attribute__((exclusive_locks_required(f->mu))) { }
+  void foo4(FooLate *f) __attribute__((exclusive_locks_required(f->mu)));
+
+  static void foo5()    __attribute__((exclusive_locks_required(mu))); // \
+    // expected-error {{'this' cannot be implicitly used in a static member function declaration}}
+
+  template <class T>
+  void foo6() __attribute__((exclusive_locks_required(T::statmu))) { }
+
+  template <class T>
+  void foo7(T* f) __attribute__((exclusive_locks_required(f->mu))) { }
+
+  int a __attribute__((guarded_by(gmu)));
+  int b __attribute__((guarded_by(mu)));
+  int c __attribute__((guarded_by(this->mu)));
+
+  Mu mu;
+};
+
+//-------------------------
+// Empty argument lists
+//-------------------------
+
+class __attribute__((lockable)) EmptyArgListsTest {
+  void lock() __attribute__((exclusive_lock_function())) { }
+  void unlock() __attribute__((unlock_function())) { }
+};
+
+
+namespace FunctionDefinitionParseTest {
+// Test parsing of attributes on function definitions.
+
+class Foo {
+public:
+  Mu mu_;
+  void foo1();
+  void foo2(Foo *f);
+};
+
+template <class T>
+class Bar {
+public:
+  Mu mu_;
+  void bar();
+};
+
+void Foo::foo1()       __attribute__((exclusive_locks_required(mu_))) { }
+void Foo::foo2(Foo *f) __attribute__((exclusive_locks_required(f->mu_))) { }
+
+template <class T>
+void Bar<T>::bar() __attribute__((exclusive_locks_required(mu_))) { }
+
+void baz(Foo *f) __attribute__((exclusive_locks_required(f->mu_))) { }
+
+} // end namespace
+
+
+namespace TestMultiDecl {
+
+class Foo {
+public:
+  int __attribute__((guarded_by(mu_))) a;
+  int __attribute__((guarded_by(mu_))) b, c;
+
+private:
+  Mu mu_;
+};
+
+
+namespace NestedClassLateDecl {
+
+class Foo {
+  class Bar {
+    int a GUARDED_BY(mu);
+    int b GUARDED_BY(fooMuStatic);
+
+    void bar()        EXCLUSIVE_LOCKS_REQUIRED(mu)       { a = 0;    }
+    void bar2(Bar* b) EXCLUSIVE_LOCKS_REQUIRED(b->mu)    { b->a = 0; }
+    void bar3(Foo* f) EXCLUSIVE_LOCKS_REQUIRED(f->fooMu) { f->a = 0; }
+
+    Mu mu;
+  };
+
+  int a GUARDED_BY(fooMu);
+  Mu fooMu;
+  static Mu fooMuStatic;
+};
+
+}
+
+} // end namespace TestMultiDecl
+