clang/test/CodeGenCXX/sanitize-dtor-trivial-base.cpp

   1 // RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_"
   2 // RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_"
   3
   4 // Base class has trivial dtor => complete dtor poisons base class memory directly.
   5
   6 class Base {
   7 public:
   8   int x[4];
   9 };
  10
  11 class Derived : public Base {
  12 public:
  13   int y;
  14   ~Derived() {
  15   }
  16 };
  17
  18 Derived d;
  19
  20 // Poison members, then poison the trivial base class.
  21 // CHECK-LABEL: define {{.*}}DerivedD2Ev
  22 // CHECK: %[[GEP:[0-9a-z]+]] = getelementptr i8, ptr {{.*}}, i64 16
  23 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}%[[GEP]], i64 4{{.*}}, !dbg ![[DI1:[0-9]+]]
  24 // CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}, i64 16{{.*}}, !dbg ![[DI2:[0-9]+]]
  25 // CHECK: ret void
  26
  27 // CHECK-LABEL: !DIFile{{.*}}cpp
  28
  29 // CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-16]]
  30 // CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-24]]