clang/test/CodeGen/catch-nullptr-and-nonzero-offset-ignorelist.c

   1 // RUN: %clang_cc1 -x c -fsanitize=pointer-overflow -fsanitize-recover=pointer-overflow -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_pointer_overflow"
   2 // RUN: %clang_cc1 -x c -fno-delete-null-pointer-checks -fsanitize=pointer-overflow -fsanitize-recover=pointer-overflow -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_pointer_overflow"
   3
   4 // RUN: %clang_cc1 -x c++ -fsanitize=pointer-overflow -fsanitize-recover=pointer-overflow -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_pointer_overflow"
   5 // RUN: %clang_cc1 -x c++ -fno-delete-null-pointer-checks -fsanitize=pointer-overflow -fsanitize-recover=pointer-overflow -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_pointer_overflow"
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 // CHECK-LABEL: @baseline
  12 char *baseline(char *base, unsigned long offset) {
  13   // CHECK: call void @__ubsan_handle_pointer_overflow(
  14   return base + offset;
  15 }
  16
  17 // CHECK-LABEL: @ignorelist_0
  18 __attribute__((no_sanitize("undefined"))) char *ignorelist_0(char *base, unsigned long offset) {
  19   return base + offset;
  20 }
  21
  22 // CHECK-LABEL: @ignorelist_1
  23 __attribute__((no_sanitize("pointer-overflow"))) char *ignorelist_1(char *base, unsigned long offset) {
  24   return base + offset;
  25 }
  26
  27 // CHECK-LABEL: @ignore_non_default_address_space
  28 __attribute__((address_space(1))) char *ignore_non_default_address_space(__attribute__((address_space(1))) char *base, unsigned long offset) {
  29   return base + offset;
  30 }
  31
  32 #ifdef __cplusplus
  33 }
  34 #endif