xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/delete-two-arg.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc // RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
2*0a6a1f1dSLionel Sambuc // expected-no-diagnostics
3f4a2713aSLionel Sambuc 
4f4a2713aSLionel Sambuc typedef __typeof(sizeof(int)) size_t;
5f4a2713aSLionel Sambuc 
6f4a2713aSLionel Sambuc namespace test1 {
7f4a2713aSLionel Sambuc   struct A { void operator delete(void*,size_t); int x; };
8f4a2713aSLionel Sambuc 
9f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_ZN5test11aEPNS_1AE(
a(A * x)10f4a2713aSLionel Sambuc   void a(A *x) {
11f4a2713aSLionel Sambuc     // CHECK:      load
12f4a2713aSLionel Sambuc     // CHECK-NEXT: icmp eq {{.*}}, null
13f4a2713aSLionel Sambuc     // CHECK-NEXT: br i1
14f4a2713aSLionel Sambuc     // CHECK:      call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 4)
15f4a2713aSLionel Sambuc     delete x;
16f4a2713aSLionel Sambuc   }
17f4a2713aSLionel Sambuc }
18f4a2713aSLionel Sambuc 
19f4a2713aSLionel Sambuc // Check that we make cookies for the two-arg delete even when using
20f4a2713aSLionel Sambuc // the global allocator and deallocator.
21f4a2713aSLionel Sambuc namespace test2 {
22f4a2713aSLionel Sambuc   struct A {
23f4a2713aSLionel Sambuc     int x;
24f4a2713aSLionel Sambuc     void *operator new[](size_t);
25f4a2713aSLionel Sambuc     void operator delete[](void *, size_t);
26f4a2713aSLionel Sambuc   };
27f4a2713aSLionel Sambuc 
28f4a2713aSLionel Sambuc   // CHECK: define [[A:%.*]]* @_ZN5test24testEv()
test()29f4a2713aSLionel Sambuc   A *test() {
30f4a2713aSLionel Sambuc     // CHECK:      [[NEW:%.*]] = call noalias i8* @_Znaj(i32 44)
31f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32*
32f4a2713aSLionel Sambuc     // CHECK-NEXT: store i32 10, i32* [[T0]]
33f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[NEW]], i64 4
34f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]*
35f4a2713aSLionel Sambuc     // CHECK-NEXT: ret [[A]]* [[T2]]
36f4a2713aSLionel Sambuc     return ::new A[10];
37f4a2713aSLionel Sambuc   }
38f4a2713aSLionel Sambuc 
39f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_ZN5test24testEPNS_1AE(
test(A * p)40f4a2713aSLionel Sambuc   void test(A *p) {
41f4a2713aSLionel Sambuc     // CHECK:      [[P:%.*]] = alloca [[A]]*, align 4
42f4a2713aSLionel Sambuc     // CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4
43f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T0:%.*]] = load [[A]]** [[P]], align 4
44f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null
45f4a2713aSLionel Sambuc     // CHECK-NEXT: br i1 [[T1]],
46f4a2713aSLionel Sambuc     // CHECK:      [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8*
47f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 -4
48f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32*
49f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T5:%.*]] = load i32* [[T4]]
50f4a2713aSLionel Sambuc     // CHECK-NEXT: call void @_ZdaPv(i8* [[T3]])
51f4a2713aSLionel Sambuc     // CHECK-NEXT: br label
52f4a2713aSLionel Sambuc     ::delete[] p;
53f4a2713aSLionel Sambuc   }
54f4a2713aSLionel Sambuc }
55f4a2713aSLionel Sambuc 
56f4a2713aSLionel Sambuc // rdar://problem/8913519
57f4a2713aSLionel Sambuc namespace test3 {
58f4a2713aSLionel Sambuc   struct A {
59f4a2713aSLionel Sambuc     int x;
60f4a2713aSLionel Sambuc     void operator delete[](void *, size_t);
61f4a2713aSLionel Sambuc   };
62f4a2713aSLionel Sambuc   struct B : A {};
63f4a2713aSLionel Sambuc 
64f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_ZN5test34testEv()
test()65f4a2713aSLionel Sambuc   void test() {
66f4a2713aSLionel Sambuc     // CHECK:      call noalias i8* @_Znaj(i32 24)
67f4a2713aSLionel Sambuc     // CHECK-NEXT: bitcast
68f4a2713aSLionel Sambuc     // CHECK-NEXT: store i32 5
69f4a2713aSLionel Sambuc     (void) new B[5];
70f4a2713aSLionel Sambuc   }
71f4a2713aSLionel Sambuc }
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