| // 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" --check-prefixes=CHECK,CHECK-NULL-IS-INVALID-PTR |
| // 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" --check-prefixes=CHECK,CHECK-NULL-IS-VALID-PTR |
| |
| // 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" --check-prefixes=CHECK,CHECK-NULL-IS-INVALID-PTR |
| // 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" --check-prefixes=CHECK,CHECK-NULL-IS-VALID-PTR |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // CHECK-LABEL: @baseline |
| char *baseline(char *base, unsigned long offset) { |
| // CHECK: call void @__ubsan_handle_pointer_overflow( |
| return base + offset; |
| } |
| |
| // CHECK-LABEL: @blacklist_0 |
| __attribute__((no_sanitize("undefined"))) char *blacklist_0(char *base, unsigned long offset) { |
| return base + offset; |
| } |
| |
| // CHECK-LABEL: @blacklist_1 |
| __attribute__((no_sanitize("pointer-overflow"))) char *blacklist_1(char *base, unsigned long offset) { |
| return base + offset; |
| } |
| |
| // CHECK-LABEL: @ignore_non_default_address_space |
| __attribute__((address_space(1))) char *ignore_non_default_address_space(__attribute__((address_space(1))) char *base, unsigned long offset) { |
| return base + offset; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
