clang/test/CodeGen/memtag-globals.cpp

   1 // RUN: %clang_cc1 -triple aarch64-linux-android34 \
   2 // RUN:   -include %S/Inputs/sanitizer-extra-source.cpp \
   3 // RUN:   -fsanitize-ignorelist=%S/Inputs/sanitizer-ignorelist-global.txt \
   4 // RUN:   -fsanitize=memtag-globals -emit-llvm -o - %s | FileCheck %s
   5
   6 // RUN: %clang_cc1 -triple aarch64-linux-android34 \
   7 // RUN:    -include %S/Inputs/sanitizer-extra-source.cpp \
   8 // RUN:   -fsanitize-ignorelist=%S/Inputs/sanitizer-ignorelist-src.txt \
   9 // RUN:   -fsanitize=memtag-globals -emit-llvm -o - %s | \
  10 // RUN:   FileCheck %s --check-prefix=IGNORELIST
  11
  12 int global;
  13 int __attribute__((no_sanitize("memtag"))) attributed_global;
  14 int __attribute__((disable_sanitizer_instrumentation)) disable_instrumentation_global;
  15 int ignorelisted_global;
  16 extern int external_global;
  17
  18 void func() {
  19   static int static_var = 0;
  20   const char *literal = "Hello, world!";
  21   external_global = 1;
  22 }
  23
  24 // CHECK: @{{.*}}extra_global{{.*}} ={{.*}} sanitize_memtag
  25 // CHECK: @{{.*}}global{{.*}} ={{.*}} sanitize_memtag
  26
  27 // CHECK:     @{{.*}}attributed_global{{.*}} =
  28 // CHECK-NOT: sanitize_memtag
  29 // CHECK:     @{{.*}}disable_instrumentation_global{{.*}} =
  30 // CHECK-NOT: sanitize_memtag
  31 // CHECK:     @{{.*}}ignorelisted_global{{.*}} =
  32 // CHECK-NOT: sanitize_memtag
  33
  34 // CHECK: @{{.*}}static_var{{.*}} ={{.*}} sanitize_memtag
  35 // CHECK: @{{.*}} = {{.*}} c"Hello, world!\00"{{.*}} sanitize_memtag
  36 // CHECK: @{{.*}}external_global{{.*}} ={{.*}} sanitize_memtag
  37
  38 // IGNORELIST: @{{.*}}extra_global{{.*}} ={{.*}} sanitize_memtag
  39
  40 // IGNORELIST:     @{{.*}}global{{.*}} =
  41 // IGNORELIST-NOT: sanitize_memtag
  42 // IGNORELIST:     @{{.*}}attributed_global{{.*}} =
  43 // IGNORELIST-NOT: sanitize_memtag
  44 // IGNORELIST:     @{{.*}}disable_instrumentation_global{{.*}} =
  45 // IGNORELIST-NOT: sanitize_memtag
  46 // IGNORELIST:     @{{.*}}ignorelisted_globa{{.*}} =
  47 // IGNORELIST-NOT: sanitize_memtag
  48 // IGNORELIST:     @{{.*}}static_var{{.*}} =
  49 // IGNORELIST-NOT: sanitize_memtag
  50 // IGNORELIST:     @{{.*}} = {{.*}} c"Hello, world!\00"{{.*}}
  51 // IGNORELIST-NOT: sanitize_memtag
  52 // IGNORELIST:     @{{.*}}external_global{{.*}} =
  53 // IGNORELIST-NOT: sanitize_memtag