File: builtin-longjmp.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (34 lines) | stat: -rw-r--r-- 1,393 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
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm < %s| FileCheck %s
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm < %s| FileCheck %s
// RUN: %clang_cc1 -triple x86_64-windows -emit-llvm < %s| FileCheck %s
// RUN: %clang_cc1 -triple powerpc-unknown-unknown -emit-llvm < %s| FileCheck %s
// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -emit-llvm < %s| FileCheck %s
// RUN: %clang_cc1 -triple sparc-eabi-unknown -emit-llvm < %s | FileCheck %s

// RUN: %clang_cc1 -triple aarch64-unknown-unknown -emit-llvm-only -verify %s
// RUN: %clang_cc1 -triple mips-unknown-unknown -emit-llvm-only -verify %s
// RUN: %clang_cc1 -triple mips64-unknown-unknown -emit-llvm-only -verify %s

// Check that __builtin_longjmp and __builtin_setjmp are lowered into
// IR intrinsics on those architectures that can handle them.
// Check that an error is created otherwise.

typedef void *jmp_buf;
jmp_buf buf;

// CHECK:   define{{.*}} void @do_jump()
// CHECK:   call{{.*}} void @llvm.eh.sjlj.longjmp

// CHECK:   define{{.*}} void @do_setjmp()
// CHECK:   call{{.*}} i32 @llvm.eh.sjlj.setjmp

void do_jump(void) {
  __builtin_longjmp(buf, 1); // expected-error {{__builtin_longjmp is not supported for the current target}}
}

void f(void);

void do_setjmp(void) {
  if (!__builtin_setjmp(buf)) // expected-error {{__builtin_setjmp is not supported for the current target}}
    f();
}