clang/test/CodeGen/ubsan-asan-noreturn.c

   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()
   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.*}} }