File: builtin-longjmp.c

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
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();
}