File: cxx1y-sized-deallocation.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (114 lines) | stat: -rw-r--r-- 4,141 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
// Check that delete exprs call the sized deallocation function if
// -fsized-deallocation is passed in both C++11 and C++14.
// RUN: %clang_cc1 -no-opaque-pointers -std=c++11 -fsized-deallocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -std=c++14 -fsized-deallocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s

// Check that we don't used sized deallocation without -fsized-deallocation and
// C++14.
// RUN: %clang_cc1 -no-opaque-pointers -std=c++11 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefix=CHECK-UNSIZED
// RUN: %clang_cc1 -no-opaque-pointers -std=c++14 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefix=CHECK-UNSIZED

// CHECK-UNSIZED-NOT: _ZdlPvm
// CHECK-UNSIZED-NOT: _ZdaPvm

typedef decltype(sizeof(0)) size_t;

typedef int A;
struct B { int n; };
struct C { ~C() {} };
struct D { D(); virtual ~D() {} };
struct E {
  void *operator new(size_t);
  void *operator new[](size_t);
  void operator delete(void *) noexcept;
  void operator delete[](void *) noexcept;
};
struct F {
  void *operator new(size_t);
  void *operator new[](size_t);
  void operator delete(void *, size_t) noexcept;
  void operator delete[](void *, size_t) noexcept;
};

template<typename T> T get();

template<typename T>
void del() {
  ::delete get<T*>();
  ::delete[] get<T*>();
  delete get<T*>();
  delete[] get<T*>();
}

template void del<A>();
template void del<B>();
template void del<C>();
template void del<D>();
template void del<E>();
template void del<F>();

D::D() {}

// CHECK-LABEL: define weak_odr void @_Z3delIiEvv()
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 4)
// CHECK: call void @_ZdaPv(i8* noundef %{{[^ ]*}})
//
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 4)
// CHECK: call void @_ZdaPv(i8* noundef %{{[^ ]*}})

// CHECK-LABEL: declare void @_ZdlPvm(i8*

// CHECK-LABEL: define weak_odr void @_Z3delI1BEvv()
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 4)
// CHECK: call void @_ZdaPv(i8* noundef %{{[^ ]*}})
//
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 4)
// CHECK: call void @_ZdaPv(i8* noundef %{{[^ ]*}})

// CHECK-LABEL: define weak_odr void @_Z3delI1CEvv()
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 1)
// CHECK: mul i64 1, %{{[^ ]*}}
// CHECK: add i64 %{{[^ ]*}}, 8
// CHECK: call void @_ZdaPvm(i8* noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
//
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 1)
// CHECK: mul i64 1, %{{[^ ]*}}
// CHECK: add i64 %{{[^ ]*}}, 8
// CHECK: call void @_ZdaPvm(i8* noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})

// CHECK-LABEL: declare void @_ZdaPvm(i8*

// CHECK-LABEL: define weak_odr void @_Z3delI1DEvv()
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 8)
// CHECK: mul i64 8, %{{[^ ]*}}
// CHECK: add i64 %{{[^ ]*}}, 8
// CHECK: call void @_ZdaPvm(i8* noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
//
// CHECK-NOT: Zdl
// CHECK: call void %{{.*}}
// CHECK-NOT: Zdl
// CHECK: mul i64 8, %{{[^ ]*}}
// CHECK: add i64 %{{[^ ]*}}, 8
// CHECK: call void @_ZdaPvm(i8* noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})

// CHECK-LABEL: define weak_odr void @_Z3delI1EEvv()
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 1)
// CHECK: call void @_ZdaPv(i8* noundef %{{[^ ]*}})
//
// CHECK: call void @_ZN1EdlEPv(i8* noundef %{{[^ ]*}})
// CHECK: call void @_ZN1EdaEPv(i8* noundef %{{[^ ]*}})

// CHECK-LABEL: define weak_odr void @_Z3delI1FEvv()
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 1)
// CHECK: mul i64 1, %{{[^ ]*}}
// CHECK: add i64 %{{[^ ]*}}, 8
// CHECK: call void @_ZdaPvm(i8* noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})
//
// CHECK: call void @_ZN1FdlEPvm(i8* noundef %{{[^ ]*}}, i64 noundef 1)
// CHECK: mul i64 1, %{{[^ ]*}}
// CHECK: add i64 %{{[^ ]*}}, 8
// CHECK: call void @_ZN1FdaEPvm(i8* noundef %{{[^ ]*}}, i64 noundef %{{[^ ]*}})


// CHECK-LABEL: define linkonce_odr void @_ZN1DD0Ev(%{{[^ ]*}}* {{[^,]*}} %this)
// CHECK: call void @_ZdlPvm(i8* noundef %{{[^ ]*}}, i64 noundef 8)