1// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
2// expected-no-diagnostics
3
4typedef __typeof(sizeof(int)) size_t;
5
6namespace test1 {
7  struct A { void operator delete(void*,size_t); int x; };
8
9  // CHECK-LABEL: define void @_ZN5test11aEPNS_1AE(
10  void a(A *x) {
11    // CHECK:      load
12    // CHECK-NEXT: icmp eq {{.*}}, null
13    // CHECK-NEXT: br i1
14    // CHECK:      call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 4)
15    delete x;
16  }
17}
18
19// Check that we make cookies for the two-arg delete even when using
20// the global allocator and deallocator.
21namespace test2 {
22  struct A {
23    int x;
24    void *operator new[](size_t);
25    void operator delete[](void *, size_t);
26  };
27
28  // CHECK: define [[A:%.*]]* @_ZN5test24testEv()
29  A *test() {
30    // CHECK:      [[NEW:%.*]] = call noalias i8* @_Znaj(i32 44)
31    // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32*
32    // CHECK-NEXT: store i32 10, i32* [[T0]]
33    // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[NEW]], i64 4
34    // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]*
35    // CHECK-NEXT: ret [[A]]* [[T2]]
36    return ::new A[10];
37  }
38
39  // CHECK-LABEL: define void @_ZN5test24testEPNS_1AE(
40  void test(A *p) {
41    // CHECK:      [[P:%.*]] = alloca [[A]]*, align 4
42    // CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4
43    // CHECK-NEXT: [[T0:%.*]] = load [[A]]** [[P]], align 4
44    // CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null
45    // CHECK-NEXT: br i1 [[T1]],
46    // CHECK:      [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8*
47    // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 -4
48    // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32*
49    // CHECK-NEXT: [[T5:%.*]] = load i32* [[T4]]
50    // CHECK-NEXT: call void @_ZdaPv(i8* [[T3]])
51    // CHECK-NEXT: br label
52    ::delete[] p;
53  }
54}
55
56// rdar://problem/8913519
57namespace test3 {
58  struct A {
59    int x;
60    void operator delete[](void *, size_t);
61  };
62  struct B : A {};
63
64  // CHECK-LABEL: define void @_ZN5test34testEv()
65  void test() {
66    // CHECK:      call noalias i8* @_Znaj(i32 24)
67    // CHECK-NEXT: bitcast
68    // CHECK-NEXT: store i32 5
69    (void) new B[5];
70  }
71}
72