File: conditional-temporaries.cpp

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8%2Bdeb10u2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 734,616 kB
  • sloc: cpp: 3,776,926; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; javascript: 518; ruby: 156
file content (57 lines) | stat: -rw-r--r-- 996 bytes parent folder | download | duplicates (4)
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
// REQUIRES: amdgpu-registered-target
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=x86_64-apple-darwin9 -O3 | FileCheck %s
// RUN: %clang_cc1 -emit-llvm %s -o - -triple=amdgcn-amd-amdhsa -O3 | FileCheck %s

namespace {

static int ctorcalls;
static int dtorcalls;
  
struct A {
  A() : i(0) { ctorcalls++; }
  ~A() { dtorcalls++; }
  int i;
  
  friend const A& operator<<(const A& a, int n) {
    return a;
  }
};

void g(int) { }
void g(const A&) { }

void f1(bool b) {
  g(b ? A().i : 0);
  g(b || A().i);
  g(b && A().i);
  g(b ? A() << 1 : A() << 2);
}

struct Checker {
  Checker() {
    f1(true);
    f1(false);
  }
};

Checker c;

}

// CHECK-LABEL: define i32 @_Z12getCtorCallsv()
int getCtorCalls() {
  // CHECK: ret i32 5
  return ctorcalls;
}

// CHECK-LABEL: define i32 @_Z12getDtorCallsv()
int getDtorCalls() {
  // CHECK: ret i32 5
  return dtorcalls;
}

// CHECK-LABEL: define zeroext i1 @_Z7successv()
bool success() {
  // CHECK: ret i1 true
  return ctorcalls == dtorcalls;
}