clang/test/CodeGenCXX/cfi-stats.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fvisibility=hidden -fsanitize=cfi-vcall,cfi-nvcall,cfi-derived-cast,cfi-unrelated-cast,cfi-icall -fsanitize-stats -emit-llvm -o - %s | FileCheck %s
   2 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fvisibility=hidden -fsanitize=cfi-vcall,cfi-nvcall,cfi-derived-cast,cfi-unrelated-cast,cfi-icall -fsanitize-trap=cfi-vcall -fwhole-program-vtables -fsanitize-stats -emit-llvm -o - %s | FileCheck %s
   3
   4 // CHECK: [[STATS:@[^ ]*]] = internal global { ptr, i32, [5 x [2 x ptr]] } { ptr null, i32 5, [5 x [2 x ptr]]
   5 // CHECK: {{\[\[}}2 x ptr] zeroinitializer,
   6 // CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 2305843009213693952 to ptr)],
   7 // CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 4611686018427387904 to ptr)],
   8 // CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 6917529027641081856 to ptr)],
   9 // CHECK: [2 x ptr] [ptr null, ptr inttoptr (i64 -9223372036854775808 to ptr)]] }
  10
  11 // CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr [[CTOR:@[^ ]*]], ptr null }]
  12
  13 struct A {
  14   virtual void vf();
  15   void nvf();
  16 };
  17 struct B : A {};
  18
  19 // CHECK: @vcall
  20 extern "C" void vcall(A *a) {
  21   // CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 0
  22   a->vf();
  23 }
  24
  25 // CHECK: @nvcall
  26 extern "C" void nvcall(A *a) {
  27   // CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 1
  28   a->nvf();
  29 }
  30
  31 // CHECK: @dcast
  32 extern "C" void dcast(A *a) {
  33   // CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 2
  34   static_cast<B *>(a);
  35 }
  36
  37 // CHECK: @ucast
  38 extern "C" void ucast(void *a) {
  39   // CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 3
  40   reinterpret_cast<A *>(a);
  41 }
  42
  43 // CHECK: @icall
  44 extern "C" void icall(void (*p)()) {
  45   // CHECK: call void @__sanitizer_stat_report({{.*}}[[STATS]]{{.*}}i64 0, i32 2, i64 4
  46   p();
  47 }
  48
  49 // CHECK: define internal void [[CTOR]]()
  50 // CHECK-NEXT: call void @__sanitizer_stat_init(ptr [[STATS]])
  51 // CHECK-NEXT: ret void