xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/delete-two-arg.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: not %clang_cc1 -triple i686-pc-linux-gnu %s -o - -emit-llvm -verify | FileCheck %s
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc typedef __typeof(sizeof(int)) size_t;
4*f4a2713aSLionel Sambuc 
5*f4a2713aSLionel Sambuc namespace test1 {
6*f4a2713aSLionel Sambuc   struct A { void operator delete(void*,size_t); int x; };
7*f4a2713aSLionel Sambuc 
8*f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_ZN5test11aEPNS_1AE(
9*f4a2713aSLionel Sambuc   void a(A *x) {
10*f4a2713aSLionel Sambuc     // CHECK:      load
11*f4a2713aSLionel Sambuc     // CHECK-NEXT: icmp eq {{.*}}, null
12*f4a2713aSLionel Sambuc     // CHECK-NEXT: br i1
13*f4a2713aSLionel Sambuc     // CHECK:      call void @_ZN5test11AdlEPvj(i8* %{{.*}}, i32 4)
14*f4a2713aSLionel Sambuc     delete x;
15*f4a2713aSLionel Sambuc   }
16*f4a2713aSLionel Sambuc }
17*f4a2713aSLionel Sambuc 
18*f4a2713aSLionel Sambuc // Check that we make cookies for the two-arg delete even when using
19*f4a2713aSLionel Sambuc // the global allocator and deallocator.
20*f4a2713aSLionel Sambuc namespace test2 {
21*f4a2713aSLionel Sambuc   struct A {
22*f4a2713aSLionel Sambuc     int x;
23*f4a2713aSLionel Sambuc     void *operator new[](size_t);
24*f4a2713aSLionel Sambuc     void operator delete[](void *, size_t);
25*f4a2713aSLionel Sambuc   };
26*f4a2713aSLionel Sambuc 
27*f4a2713aSLionel Sambuc   // CHECK: define [[A:%.*]]* @_ZN5test24testEv()
28*f4a2713aSLionel Sambuc   A *test() {
29*f4a2713aSLionel Sambuc     // CHECK:      [[NEW:%.*]] = call noalias i8* @_Znaj(i32 44)
30*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T0:%.*]] = bitcast i8* [[NEW]] to i32*
31*f4a2713aSLionel Sambuc     // CHECK-NEXT: store i32 10, i32* [[T0]]
32*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T1:%.*]] = getelementptr inbounds i8* [[NEW]], i64 4
33*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T2:%.*]] = bitcast i8* [[T1]] to [[A]]*
34*f4a2713aSLionel Sambuc     // CHECK-NEXT: ret [[A]]* [[T2]]
35*f4a2713aSLionel Sambuc     return ::new A[10];
36*f4a2713aSLionel Sambuc   }
37*f4a2713aSLionel Sambuc 
38*f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_ZN5test24testEPNS_1AE(
39*f4a2713aSLionel Sambuc   void test(A *p) {
40*f4a2713aSLionel Sambuc     // CHECK:      [[P:%.*]] = alloca [[A]]*, align 4
41*f4a2713aSLionel Sambuc     // CHECK-NEXT: store [[A]]* {{%.*}}, [[A]]** [[P]], align 4
42*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T0:%.*]] = load [[A]]** [[P]], align 4
43*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T1:%.*]] = icmp eq [[A]]* [[T0]], null
44*f4a2713aSLionel Sambuc     // CHECK-NEXT: br i1 [[T1]],
45*f4a2713aSLionel Sambuc     // CHECK:      [[T2:%.*]] = bitcast [[A]]* [[T0]] to i8*
46*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T3:%.*]] = getelementptr inbounds i8* [[T2]], i64 -4
47*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T4:%.*]] = bitcast i8* [[T3]] to i32*
48*f4a2713aSLionel Sambuc     // CHECK-NEXT: [[T5:%.*]] = load i32* [[T4]]
49*f4a2713aSLionel Sambuc     // CHECK-NEXT: call void @_ZdaPv(i8* [[T3]])
50*f4a2713aSLionel Sambuc     // CHECK-NEXT: br label
51*f4a2713aSLionel Sambuc     ::delete[] p;
52*f4a2713aSLionel Sambuc   }
53*f4a2713aSLionel Sambuc }
54*f4a2713aSLionel Sambuc 
55*f4a2713aSLionel Sambuc // rdar://problem/8913519
56*f4a2713aSLionel Sambuc namespace test3 {
57*f4a2713aSLionel Sambuc   struct A {
58*f4a2713aSLionel Sambuc     int x;
59*f4a2713aSLionel Sambuc     void operator delete[](void *, size_t);
60*f4a2713aSLionel Sambuc   };
61*f4a2713aSLionel Sambuc   struct B : A {};
62*f4a2713aSLionel Sambuc 
63*f4a2713aSLionel Sambuc   // CHECK-LABEL: define void @_ZN5test34testEv()
64*f4a2713aSLionel Sambuc   void test() {
65*f4a2713aSLionel Sambuc     // CHECK:      call noalias i8* @_Znaj(i32 24)
66*f4a2713aSLionel Sambuc     // CHECK-NEXT: bitcast
67*f4a2713aSLionel Sambuc     // CHECK-NEXT: store i32 5
68*f4a2713aSLionel Sambuc     (void) new B[5];
69*f4a2713aSLionel Sambuc   }
70*f4a2713aSLionel Sambuc }
71