File: always_destroy.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (35 lines) | stat: -rw-r--r-- 1,257 bytes parent folder | download | duplicates (7) 
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
 
// RUN: %clang_cc1 %s -fc++-static-destructors=none -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | \
// RUN:   FileCheck --check-prefixes=CHECK,NO-DTORS %s
// RUN: %clang_cc1 %s -fc++-static-destructors=thread-local -emit-llvm -triple x86_64-apple-macosx10.13.0 -o - | \
// RUN:   FileCheck --check-prefixes=CHECK,THREAD-LOCAL-DTORS %s

struct NonTrivial {
  ~NonTrivial();
};

// CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
NonTrivial nt1;
// NO-DTORS-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
// THREAD-LOCAL-DTORS: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
thread_local NonTrivial nt2;

struct NonTrivial2 {
  ~NonTrivial2();
};

// CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
[[clang::always_destroy]] NonTrivial2 nt21;
// CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
[[clang::always_destroy]] thread_local NonTrivial2 nt22;

void f() {
  // CHECK: __cxa_atexit{{.*}}_ZN11NonTrivial2D1Ev
  [[clang::always_destroy]] static NonTrivial2 nt21;
  // CHECK: _tlv_atexit{{.*}}_ZN11NonTrivial2D1Ev
  [[clang::always_destroy]] thread_local NonTrivial2 nt22;
}

// CHECK-NOT: __cxa_atexit{{.*}}_ZN10NonTrivialD1Ev
[[clang::no_destroy]] NonTrivial nt3;
// CHECK-NOT: _tlv_atexit{{.*}}_ZN10NonTrivialD1Ev
[[clang::no_destroy]] thread_local NonTrivial nt4;