File: eh-aggregate-copy-destroy.cpp

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (37 lines) | stat: -rw-r--r-- 799 bytes parent folder | download | duplicates (5)
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
// Check that in case of copying an array of memcpy-able objects, their
// destructors will be called if an exception is thrown.
//
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fexceptions -fcxx-exceptions -O0 -fno-elide-constructors -emit-llvm %s -o - | FileCheck %s

struct ImplicitCopy {
  int x;
  ImplicitCopy() { x = 10; }
  ~ImplicitCopy() { x = 20; }
};

struct ThrowCopy {
  ThrowCopy() {}
  ThrowCopy(const ThrowCopy &) { throw 1; }
};

struct Container {
  ImplicitCopy b[2];
  ThrowCopy c;
};

int main () {
  try {
    Container c1;
    // CHECK_LABEL: main
    // CHECK-NOT: call void @_ZN9ThrowCopyC1ERKS_
    // CHECK: invoke void @_ZN9ThrowCopyC1ERKS_
    // CHECK: invoke void @_ZN12ImplicitCopyD1Ev
    Container c2(c1);
  }
  catch (...) {
    return 1;
  }

  return 0;
}