clang/test/CodeGen/sanitize-init-order.cpp

   1 // RUN: %clang_cc1 -fsanitize=address -emit-llvm -o - %s | FileCheck %s
   2
   3 // Test ignorelist functionality.
   4 // RUN: echo "src:%s=init" | sed -e 's/\\/\\\\/g' > %t-file.ignorelist
   5 // RUN: echo "type:PODWithCtorAndDtor=init" > %t-type.ignorelist
   6 // RUN: echo "type:NS::PODWithCtor=init" >> %t-type.ignorelist
   7 // RUN: %clang_cc1 -fsanitize=address -fsanitize-ignorelist=%t-file.ignorelist -emit-llvm -o - %s | FileCheck %s --check-prefix=IGNORELIST
   8 // RUN: %clang_cc1 -fsanitize=address -fsanitize-ignorelist=%t-type.ignorelist -emit-llvm -o - %s | FileCheck %s --check-prefix=IGNORELIST
   9
  10 struct PODStruct {
  11   int x;
  12 };
  13 PODStruct s1;
  14
  15 struct PODWithDtor {
  16   ~PODWithDtor() { }
  17   int x;
  18 };
  19 PODWithDtor s2;
  20
  21 struct PODWithCtorAndDtor {
  22   PODWithCtorAndDtor() { }
  23   ~PODWithCtorAndDtor() { }
  24   int x;
  25 };
  26 PODWithCtorAndDtor s3;
  27
  28 namespace NS {
  29 class PODWithCtor {
  30 public:
  31   PODWithCtor() {}
  32 };
  33
  34 const volatile PODWithCtor array[5][5];
  35 }
  36
  37 // Check that ASan init-order checking ignores structs with trivial default
  38 // constructor.
  39
  40 // CHECK: @{{.*}}s1{{.*}} ={{.*}} global
  41 // CHECK-NOT: sanitize_address_dyninit
  42 // CHECK: @{{.*}}s2{{.*}} ={{.*}} global
  43 // CHECK-NOT: sanitize_address_dyninit
  44 // CHECK: @{{.*}}s3{{.*}} ={{.*}} global {{.*}}, sanitize_address_dyninit
  45 // CHECK: @{{.*}}array{{.*}} ={{.*}} global {{.*}}, sanitize_address_dyninit
  46
  47 // IGNORELIST: @{{.*}}s1{{.*}} ={{.*}} global
  48 // IGNORELIST-NOT: sanitize_address_dyninit
  49 // IGNORELIST: @{{.*}}s2{{.*}} ={{.*}} global
  50 // IGNORELIST-NOT: sanitize_address_dyninit
  51 // IGNORELIST: @{{.*}}s3{{.*}} ={{.*}} global
  52 // IGNORELIST-NOT: sanitize_address_dyninit
  53 // IGNORELIST: @{{.*}}array{{.*}} ={{.*}} global
  54 // IGNORELIST-NOT: sanitize_address_dyninit