File: preserve-none-call-conv.c

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; 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 (20 lines) | stat: -rw-r--r-- 1,275 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
// RUN: %clang_cc1 %s -fsyntax-only -triple x86_64-unknown-unknown -verify
// RUN: %clang_cc1 %s -fsyntax-only -triple aarch64-unknown-unknown -verify

typedef void typedef_fun_t(int);

void __attribute__((preserve_none)) boo(void *ptr) {
}

void __attribute__((preserve_none(1))) boo1(void *ptr) { // expected-error {{'preserve_none' attribute takes no arguments}}
}

void (__attribute__((preserve_none)) *pboo1)(void *) = boo;

void (__attribute__((cdecl)) *pboo2)(void *) = boo; // expected-error {{incompatible function pointer types initializing 'void (*)(void *) __attribute__((cdecl))' with an expression of type 'void (void *) __attribute__((preserve_none))'}}
void (*pboo3)(void *) = boo; // expected-error {{incompatible function pointer types initializing 'void (*)(void *)' with an expression of type 'void (void *) __attribute__((preserve_none))'}}

typedef_fun_t typedef_fun_boo; // expected-note {{previous declaration is here}}
void __attribute__((preserve_none)) typedef_fun_boo(int x) { } // expected-error {{function declared 'preserve_none' here was previously declared without calling convention}}

struct type_test_boo {} __attribute__((preserve_none));  // expected-warning {{'preserve_none' attribute only applies to functions and function pointers}}