clang/test/Sema/builtin-longjmp.c

   1 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm < %s| FileCheck %s
   2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm < %s| FileCheck %s
   3 // RUN: %clang_cc1 -triple x86_64-windows -emit-llvm < %s| FileCheck %s
   4 // RUN: %clang_cc1 -triple powerpc-unknown-unknown -emit-llvm < %s| FileCheck %s
   5 // RUN: %clang_cc1 -triple powerpc64-unknown-unknown -emit-llvm < %s| FileCheck %s
   6 // RUN: %clang_cc1 -triple ve-unknown-unknown -emit-llvm < %s | FileCheck %s
   7
   8 // RUN: %clang_cc1 -triple aarch64-unknown-unknown -emit-llvm-only -verify %s
   9 // RUN: %clang_cc1 -triple mips-unknown-unknown -emit-llvm-only -verify %s
  10 // RUN: %clang_cc1 -triple mips64-unknown-unknown -emit-llvm-only -verify %s
  11 // RUN: %clang_cc1 -triple sparc-eabi-unknown -emit-llvm-only -verify %s
  12
  13 // Check that __builtin_longjmp and __builtin_setjmp are lowered into
  14 // IR intrinsics on those architectures that can handle them.
  15 // Check that an error is created otherwise.
  16
  17 typedef void *jmp_buf;
  18 jmp_buf buf;
  19
  20 // CHECK:   define{{.*}} void @do_jump()
  21 // CHECK:   call{{.*}} void @llvm.eh.sjlj.longjmp
  22
  23 // CHECK:   define{{.*}} void @do_setjmp()
  24 // CHECK:   call{{.*}} i32 @llvm.eh.sjlj.setjmp
  25
  26 void do_jump(void) {
  27   __builtin_longjmp(buf, 1); // expected-error {{__builtin_longjmp is not supported for the current target}}
  28 }
  29
  30 void f(void);
  31
  32 void do_setjmp(void) {
  33   if (!__builtin_setjmp(buf)) // expected-error {{__builtin_setjmp is not supported for the current target}}
  34     f();
  35 }