From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 .../temp.deduct/temp.deduct.call/p3.cpp            | 148 +++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.call/p3.cpp

(limited to 'clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.call/p3.cpp')

diff --git a/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.call/p3.cpp b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.call/p3.cpp
new file mode 100644
index 0000000..295f080
--- /dev/null
+++ b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.call/p3.cpp
@@ -0,0 +1,148 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template<typename T> struct A { };
+
+// Top-level cv-qualifiers of P's type are ignored for type deduction.
+template<typename T> A<T> f0(const T);
+
+void test_f0(int i, const int ci) {
+  A<int> a0 = f0(i);
+  A<int> a1 = f0(ci);
+}
+
+// If P is a reference type, the type referred to by P is used for type 
+// deduction.
+template<typename T> A<T> f1(T&);
+
+void test_f1(int i, const int ci, volatile int vi) {
+  A<int> a0 = f1(i);
+  A<const int> a1 = f1(ci);
+  A<volatile int> a2 = f1(vi);
+}
+
+template<typename T, unsigned N> struct B { };
+template<typename T, unsigned N> B<T, N> g0(T (&array)[N]);
+template<typename T, unsigned N> B<T, N> g0b(const T (&array)[N]);
+
+void test_g0() {
+  int array0[5];
+  B<int, 5> b0 = g0(array0);
+  const int array1[] = { 1, 2, 3};
+  B<const int, 3> b1 = g0(array1);
+  B<int, 3> b2 = g0b(array1);
+}
+
+template<typename T> B<T, 0> g1(const A<T>&);
+
+void test_g1(A<float> af) {
+  B<float, 0> b0 = g1(af);
+  B<int, 0> b1 = g1(A<int>());
+}
+
+//   - If the original P is a reference type, the deduced A (i.e., the type
+//     referred to by the reference) can be more cv-qualified than the 
+//     transformed A.
+template<typename T> A<T> f2(const T&);
+
+void test_f2(int i, const int ci, volatile int vi) {
+  A<int> a0 = f2(i);
+  A<int> a1 = f2(ci);
+  A<volatile int> a2 = f2(vi);
+}
+
+// PR5913
+template <typename T, int N>
+void Foo(const T (&a)[N]) {
+  T x;
+  x = 0;
+}
+
+const int a[1] = { 0 };
+
+void Test() {
+  Foo(a);
+}
+
+//   - The transformed A can be another pointer or pointer to member type that 
+//     can be converted to the deduced A via a qualification conversion (4.4).
+template<typename T> A<T> f3(T * * const * const);
+
+void test_f3(int ***ip, volatile int ***vip) {
+  A<int> a0 = f3(ip);
+  A<volatile int> a1 = f3(vip);
+}
+
+// Also accept conversions for pointer types which require removing
+// [[noreturn]].
+namespace noreturn_stripping {
+  template <class R>
+  void f(R (*function)());
+
+  void g() __attribute__ ((__noreturn__));
+  void h();
+  void test() {
+    f(g);
+    f(h);
+  }
+}
+
+//   - If P is a class, and P has the form template-id, then A can be a 
+//     derived class of the deduced A. Likewise, if P is a pointer to a class
+//     of the form template-id, A can be a pointer to a derived class pointed 
+//     to by the deduced A.
+template<typename T, int I> struct C { };
+
+struct D : public C<int, 1> { };
+struct E : public D { };
+struct F : A<float> { };
+struct G : A<float>, C<int, 1> { };
+
+template<typename T, int I>
+  C<T, I> *f4a(const C<T, I>&);
+template<typename T, int I>
+  C<T, I> *f4b(C<T, I>);
+template<typename T, int I>
+  C<T, I> *f4c(C<T, I>*);
+int *f4c(...);
+
+void test_f4(D d, E e, F f, G g) {
+  C<int, 1> *ci1a = f4a(d);
+  C<int, 1> *ci2a = f4a(e);
+  C<int, 1> *ci1b = f4b(d);
+  C<int, 1> *ci2b = f4b(e);
+  C<int, 1> *ci1c = f4c(&d);
+  C<int, 1> *ci2c = f4c(&e);
+  C<int, 1> *ci3c = f4c(&g);
+  int       *ip1 = f4c(&f);
+}
+
+// PR8462
+namespace N {
+  struct T0;
+  struct T1;
+
+  template<typename X, typename Y> struct B {};
+
+  struct J : B<T0,T0> {};
+  struct K : B<T1,T1> {};
+
+  struct D : J, K {};
+
+  template<typename X, typename Y> void F(B<Y,X>);
+
+  void test()
+  {
+    D d; 
+    N::F<T0>(d); // Fails
+    N::F<T1>(d); // OK
+  }
+}
+
+namespace PR9233 {
+  template<typename T> void f(const T **q); // expected-note{{candidate template ignored: substitution failure [with T = int]}}
+
+  void g(int **p) {
+    f(p); // expected-error{{no matching function for call to 'f'}}
+  }
+
+}
-- 
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