File: noescape.c

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; 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; ruby: 156
file content (25 lines) | stat: -rw-r--r-- 1,240 bytes parent folder | download | duplicates (16)
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
// RUN: %clang_cc1 -fsyntax-only -verify %s

void escapefunc(int *);
void noescapefunc(__attribute__((noescape)) int *);
void (*escapefuncptr)(int *);
void (*noescapefuncptr)(__attribute__((noescape)) int *);

void func_ne(__attribute__((noescape)) int *, int *);
void func_en(int *, __attribute__((noescape)) int *);

void (*funcptr_ee)(int *, int *);
void (*funcptr_nn)(__attribute__((noescape)) int *, __attribute__((noescape)) int *);

void test0(int c) {
  escapefuncptr = &escapefunc;
  escapefuncptr = &noescapefunc;
  noescapefuncptr = &escapefunc; // expected-warning {{incompatible function pointer types assigning to 'void (*)(__attribute__((noescape)) int *)' from 'void (*)(int *)'}}
  noescapefuncptr = &noescapefunc;

  escapefuncptr = c ? &escapefunc : &noescapefunc;
  noescapefuncptr = c ? &escapefunc : &noescapefunc; // expected-warning {{incompatible function pointer types assigning to 'void (*)(__attribute__((noescape)) int *)' from 'void (*)(int *)'}}

  funcptr_ee = c ? &func_ne : &func_en;
  funcptr_nn = c ? &func_ne : &func_en; // expected-warning {{incompatible function pointer types assigning to 'void (*)(__attribute__((noescape)) int *, __attribute__((noescape)) int *)' from 'void (*)(int *, int *)'}}
}