1 // Ensure compatiblity of UBSan unreachable with ASan in the presence of
2 // noreturn functions.
3 // RUN: %clang_cc1 -fsanitize=unreachable,address -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
4 // RUN: %clang_cc1 -fsanitize=unreachable,kernel-address -triple x86_64-linux -emit-llvm -o - %s | FileCheck %s
5
6 void my_longjmp(void) __attribute__((noreturn));
7
8 // CHECK-LABEL: define{{.*}} void @calls_noreturn()
calls_noreturn(void)9 void calls_noreturn(void) {
10 my_longjmp();
11 // CHECK: @__asan_handle_no_return{{.*}} !nosanitize
12 // CHECK-NEXT: @my_longjmp(){{[^#]*}}
13 // CHECK: @__ubsan_handle_builtin_unreachable{{.*}} !nosanitize
14 // CHECK-NEXT: unreachable
15 }
16
17 // CHECK: declare void @my_longjmp() [[FN_ATTR:#[0-9]+]]
18 // CHECK: declare void @__asan_handle_no_return()
19
20 // CHECK-LABEL: attributes
21 // CHECK-NOT: [[FN_ATTR]] = { {{.*noreturn.*}} }
22