Vendor import of clang trunk r256945:

https://llvm.org/svn/llvm-project/cfe/trunk@256945

6 files changed, 92 insertions, 0 deletions

diff --git a/test/Analysis/Inputs/qt-simulator.h b/test/Analysis/Inputs/qt-simulator.h
new file mode 100644
index 0000000..d1d6c03
--- /dev/null
+++ b/test/Analysis/Inputs/qt-simulator.h
@@ -0,0 +1,16 @@
+#pragma clang system_header
+
+struct QObject {
+};
+
+struct QEvent {
+  enum Type { None };
+  QEvent(Type) {}
+};
+
+struct QCoreApplication : public QObject {
+  static void postEvent(QObject *receiver, QEvent *event);
+  static QCoreApplication *instance();
+};
+
+struct QApplication : public QCoreApplication {};
diff --git a/test/Analysis/Inputs/system-header-simulator-cxx.h b/test/Analysis/Inputs/system-header-simulator-cxx.h
index 3586921..f9049c3 100644
--- a/test/Analysis/Inputs/system-header-simulator-cxx.h
+++ b/test/Analysis/Inputs/system-header-simulator-cxx.h
@@ -198,6 +198,25 @@ namespace std {
       storage.assignExternal(new _CharT[4]);
     }
   };
+
+template<class _Engine, class _UIntType>
+class __independent_bits_engine {
+public:
+  // constructors and seeding functions
+  __independent_bits_engine(_Engine& __e, size_t __w);
+};
+
+template<class _Engine, class _UIntType>
+__independent_bits_engine<_Engine, _UIntType>
+    ::__independent_bits_engine(_Engine& __e, size_t __w)
+{
+  // Fake error trigger.
+  // No warning is expected as we are suppressing warning coming
+  // out of std::basic_string.
+  int z = 0;
+  z = 5/z;
+}
+
 }
 
 void* operator new(std::size_t, const std::nothrow_t&) throw();
diff --git a/test/Analysis/inlining/stl.cpp b/test/Analysis/inlining/stl.cpp
index 711c30f..2a8520f 100644
--- a/test/Analysis/inlining/stl.cpp
+++ b/test/Analysis/inlining/stl.cpp
@@ -47,3 +47,8 @@ void testBasicStringSuppression_assign(std::basic_string<char32_t> &v,
                                        const std::basic_string<char32_t> &v2) {
   v = v2;
 }
+
+class MyEngine;
+void testSupprerssion_independent_bits_engine(MyEngine& e) {
+  std::__independent_bits_engine<MyEngine, unsigned int> x(e, 64); // no-warning
+}
diff --git a/test/Analysis/null-deref-ps.c b/test/Analysis/null-deref-ps.c
index 240e8ed..79b3b3a 100644
--- a/test/Analysis/null-deref-ps.c
+++ b/test/Analysis/null-deref-ps.c
@@ -311,3 +311,21 @@ int foo10595327(int b) {
       return *p; // no-warning
   return 0;
 }
+
+#define AS_ATTRIBUTE volatile __attribute__((address_space(256)))
+#define _get_base() ((void * AS_ATTRIBUTE *)0)
+void* test_address_space_array(unsigned long slot) {
+  return _get_base()[slot]; // no-warning
+}
+void test_address_space_condition(int AS_ATTRIBUTE *cpu_data) {
+   if (cpu_data == 0) {
+    *cpu_data = 3; // no-warning
+  }
+}
+struct X { int member; };
+int test_address_space_member() {
+  struct X AS_ATTRIBUTE *data = (struct X AS_ATTRIBUTE *)0UL;
+  int ret;
+  ret = data->member; // no-warning
+  return ret;
+}
diff --git a/test/Analysis/nullptr.cpp b/test/Analysis/nullptr.cpp
index 17320f3..acc525e 100644
--- a/test/Analysis/nullptr.cpp
+++ b/test/Analysis/nullptr.cpp
@@ -126,3 +126,22 @@ decltype(nullptr) returnsNullPtrType();
 void fromReturnType() {
   ((X *)returnsNullPtrType())->f(); // expected-warning{{Called C++ object pointer is null}}
 }
+
+#define AS_ATTRIBUTE __attribute__((address_space(256)))
+class AS1 {
+public:
+  int x;
+  ~AS1() {
+    int AS_ATTRIBUTE *x = 0;
+    *x = 3; // no-warning
+  }
+};
+void test_address_space_field_access() {
+  AS1 AS_ATTRIBUTE *pa = 0;
+  pa->x = 0; // no-warning
+}
+void test_address_space_bind() {
+  AS1 AS_ATTRIBUTE *pa = 0;
+  AS1 AS_ATTRIBUTE &r = *pa;
+  r.x = 0; // no-warning
+}
diff --git a/test/Analysis/qt_malloc.cpp b/test/Analysis/qt_malloc.cpp
new file mode 100644
index 0000000..d29835f
--- /dev/null
+++ b/test/Analysis/qt_malloc.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.deadcode.UnreachableCode,alpha.core.CastSize,unix.Malloc,cplusplus -analyzer-store=region -verify %s
+// expected-no-diagnostics
+#include "Inputs/qt-simulator.h"
+
+void send(QObject *obj)
+{
+  QEvent *e1 = new QEvent(QEvent::None);
+  static_cast<QApplication *>(QCoreApplication::instance())->postEvent(obj, e1);
+  QEvent *e2 = new QEvent(QEvent::None);
+  QCoreApplication::instance()->postEvent(obj, e2);
+  QEvent *e3 = new QEvent(QEvent::None);
+  QCoreApplication::postEvent(obj, e3);
+  QEvent *e4 = new QEvent(QEvent::None);
+  QApplication::postEvent(obj, e4);
+}