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

1 files changed, 252 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp b/clang/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp
new file mode 100644
index 0000000..81ce559
--- /dev/null
+++ b/clang/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp
@@ -0,0 +1,252 @@
+// RUN: %clang_cc1 -std=c++11 -S -emit-llvm -o - %s | FileCheck %s
+
+namespace std {
+  typedef decltype(sizeof(int)) size_t;
+
+  // libc++'s implementation
+  template <class _E>
+  class initializer_list
+  {
+    const _E* __begin_;
+    size_t    __size_;
+
+    initializer_list(const _E* __b, size_t __s)
+      : __begin_(__b),
+        __size_(__s)
+    {}
+
+  public:
+    typedef _E        value_type;
+    typedef const _E& reference;
+    typedef const _E& const_reference;
+    typedef size_t    size_type;
+
+    typedef const _E* iterator;
+    typedef const _E* const_iterator;
+
+    initializer_list() : __begin_(nullptr), __size_(0) {}
+
+    size_t    size()  const {return __size_;}
+    const _E* begin() const {return __begin_;}
+    const _E* end()   const {return __begin_ + __size_;}
+  };
+}
+
+struct destroyme1 {
+  ~destroyme1();
+};
+struct destroyme2 {
+  ~destroyme2();
+};
+struct witharg1 {
+  witharg1(const destroyme1&);
+  ~witharg1();
+};
+struct wantslist1 {
+  wantslist1(std::initializer_list<destroyme1>);
+  ~wantslist1();
+};
+
+// CHECK: @_ZL25globalInitList1__initlist = internal global [3 x i32] [i32 1, i32 2, i32 3]
+// CHECK: @globalInitList1 = global %{{[^ ]+}} { i32* getelementptr inbounds ([3 x i32]* @_ZL25globalInitList1__initlist, i32 0, i32 0), i{{32|64}} 3 }
+std::initializer_list<int> globalInitList1 = {1, 2, 3};
+
+// CHECK: @_ZL25globalInitList2__initlist = internal global [2 x %{{[^ ]*}}] zeroinitializer
+// CHECK: @globalInitList2 = global %{{[^ ]+}} { %[[WITHARG:[^ *]+]]* getelementptr inbounds ([2 x
+// CHECK: appending global
+// CHECK: define internal void
+// CHECK: call void @_ZN8witharg1C1ERK10destroyme1(%[[WITHARG]]* getelementptr inbounds ([2 x %[[WITHARG]]]* @_ZL25globalInitList2__initlist, i{{32|64}} 0, i{{32|64}} 0
+// CHECK: call void @_ZN8witharg1C1ERK10destroyme1(%[[WITHARG]]* getelementptr inbounds ([2 x %[[WITHARG]]]* @_ZL25globalInitList2__initlist, i{{32|64}} 0, i{{32|64}} 1
+// CHECK: __cxa_atexit
+// CHECK: call void @_ZN10destroyme1D1Ev
+// CHECK: call void @_ZN10destroyme1D1Ev
+std::initializer_list<witharg1> globalInitList2 = {
+  witharg1(destroyme1()), witharg1(destroyme1())
+};
+
+void fn1(int i) {
+  // CHECK: define void @_Z3fn1i
+  // temporary array
+  // CHECK: [[array:%[^ ]+]] = alloca [3 x i32]
+  // CHECK: getelementptr inbounds [3 x i32]* [[array]], i{{32|64}} 0
+  // CHECK-NEXT: store i32 1, i32*
+  // CHECK-NEXT: getelementptr
+  // CHECK-NEXT: store
+  // CHECK-NEXT: getelementptr
+  // CHECK-NEXT: load
+  // CHECK-NEXT: store
+  // init the list
+  // CHECK-NEXT: getelementptr
+  // CHECK-NEXT: getelementptr inbounds [3 x i32]*
+  // CHECK-NEXT: store i32*
+  // CHECK-NEXT: getelementptr
+  // CHECK-NEXT: store i{{32|64}} 3
+  std::initializer_list<int> intlist{1, 2, i};
+}
+
+void fn2() {
+  // CHECK: define void @_Z3fn2v
+  void target(std::initializer_list<destroyme1>);
+  // objects should be destroyed before dm2, after call returns
+  // CHECK: call void @_Z6targetSt16initializer_listI10destroyme1E
+  target({ destroyme1(), destroyme1() });
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+}
+
+void fn3() {
+  // CHECK: define void @_Z3fn3v
+  // objects should be destroyed after dm2
+  auto list = { destroyme1(), destroyme1() };
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+  // CHECK: call void @_ZN10destroyme1D1Ev
+}
+
+void fn4() {
+  // CHECK: define void @_Z3fn4v
+  void target(std::initializer_list<witharg1>);
+  // objects should be destroyed before dm2, after call returns
+  // CHECK: call void @_ZN8witharg1C1ERK10destroyme1
+  // CHECK: call void @_Z6targetSt16initializer_listI8witharg1E
+  target({ witharg1(destroyme1()), witharg1(destroyme1()) });
+  // CHECK: call void @_ZN8witharg1D1Ev
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+}
+
+void fn5() {
+  // CHECK: define void @_Z3fn5v
+  // temps should be destroyed before dm2
+  // objects should be destroyed after dm2
+  // CHECK: call void @_ZN8witharg1C1ERK10destroyme1
+  auto list = { witharg1(destroyme1()), witharg1(destroyme1()) };
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+  // CHECK: call void @_ZN8witharg1D1Ev
+}
+
+void fn6() {
+  // CHECK: define void @_Z3fn6v
+  void target(const wantslist1&);
+  // objects should be destroyed before dm2, after call returns
+  // CHECK: call void @_ZN10wantslist1C1ESt16initializer_listI10destroyme1E
+  // CHECK: call void @_Z6targetRK10wantslist1
+  target({ destroyme1(), destroyme1() });
+  // CHECK: call void @_ZN10wantslist1D1Ev
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+}
+
+void fn7() {
+  // CHECK: define void @_Z3fn7v
+  // temps should be destroyed before dm2
+  // object should be destroyed after dm2
+  // CHECK: call void @_ZN10wantslist1C1ESt16initializer_listI10destroyme1E
+  wantslist1 wl = { destroyme1(), destroyme1() };
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+  // CHECK: call void @_ZN10wantslist1D1Ev
+}
+
+void fn8() {
+  // CHECK: define void @_Z3fn8v
+  void target(std::initializer_list<std::initializer_list<destroyme1>>);
+  // objects should be destroyed before dm2, after call returns
+  // CHECK: call void @_Z6targetSt16initializer_listIS_I10destroyme1EE
+  std::initializer_list<destroyme1> inner;
+  target({ inner, { destroyme1() } });
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  // Only one destroy loop, since only one inner init list is directly inited.
+  // CHECK-NOT: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+}
+
+void fn9() {
+  // CHECK: define void @_Z3fn9v
+  // objects should be destroyed after dm2
+  std::initializer_list<destroyme1> inner;
+  std::initializer_list<std::initializer_list<destroyme1>> list =
+      { inner, { destroyme1() } };
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  // Only one destroy loop, since only one inner init list is directly inited.
+  // CHECK-NOT: call void @_ZN10destroyme1D1Ev
+  // CHECK: ret void
+}
+
+struct haslist1 {
+  std::initializer_list<int> il;
+  haslist1();
+};
+
+// CHECK: define void @_ZN8haslist1C2Ev
+haslist1::haslist1()
+// CHECK: alloca [3 x i32]
+// CHECK: store i32 1
+// CHECK: store i32 2
+// CHECK: store i32 3
+// CHECK: store i{{32|64}} 3
+  : il{1, 2, 3}
+{
+  destroyme2 dm2;
+}
+
+struct haslist2 {
+  std::initializer_list<destroyme1> il;
+  haslist2();
+};
+
+// CHECK: define void @_ZN8haslist2C2Ev
+haslist2::haslist2()
+  : il{destroyme1(), destroyme1()}
+{
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+  // CHECK: call void @_ZN10destroyme1D1Ev
+}
+
+void fn10() {
+  // CHECK: define void @_Z4fn10v
+  // CHECK: alloca [3 x i32]
+  // CHECK: call noalias i8* @_Znw{{[jm]}}
+  // CHECK: store i32 1
+  // CHECK: store i32 2
+  // CHECK: store i32 3
+  // CHECK: store i32*
+  // CHECK: store i{{32|64}} 3
+  (void) new std::initializer_list<int> {1, 2, 3};
+}
+
+void fn11() {
+  // CHECK: define void @_Z4fn11v
+  (void) new std::initializer_list<destroyme1> {destroyme1(), destroyme1()};
+  // CHECK: call void @_ZN10destroyme1D1Ev
+  destroyme2 dm2;
+  // CHECK: call void @_ZN10destroyme2D1Ev
+}
+
+namespace PR12178 {
+  struct string {
+    string(int);
+    ~string();
+  };
+
+  struct pair {
+    string a;
+    int b;
+  };
+
+  struct map {
+    map(std::initializer_list<pair>);
+  };
+
+  map m{ {1, 2}, {3, 4} };
+}