File: convert-to-fptr.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (42 lines) | stat: -rw-r--r-- 936 bytes parent folder | download | duplicates (12) 
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
 
// RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | \
// RUN: FileCheck %s
// RUN: %clang_cc1 -triple i386-apple-darwin -std=c++11 -emit-llvm %s -o - | \
// RUN: FileCheck %s

extern "C" int printf(...);

int f1(int arg)  { return arg; }; 

int f2(float arg) { return int(arg); }; 

typedef int (*fp1)(int); 

typedef int (*fp2)(float); 

struct A {
  operator fp1() { return f1; }
  operator fp2() { return f2; } 
} a;


// Test for function reference.
typedef int (&fr1)(int); 
typedef int (&fr2)(float); 

struct B {
  operator fr1() { return f1; }
  operator fr2() { return f2; } 
} b;

int main()
{
 int i = a(10); // Calls f1 via pointer returned from conversion function
 printf("i = %d\n", i);

 int j = b(20); // Calls f1 via pointer returned from conversion function
 printf("j = %d\n", j);
 return 0;
}

// CHECK: call noundef ptr @_ZN1AcvPFiiEEv
// CHECK: call noundef nonnull ptr @_ZN1BcvRFiiEEv