clang/test/CodeGenCXX/ptrauth-static-destructors.cpp

   1 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -emit-llvm -std=c++11 %s -o - \
   2 // RUN:  | FileCheck %s --check-prefix=CXAATEXIT
   3
   4 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -emit-llvm -std=c++11 %s -o - \
   5 // RUN:    -fno-use-cxa-atexit | FileCheck %s --check-prefixes=ATEXIT,ATEXIT_DARWIN
   6
   7 // RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -emit-llvm -std=c++11 %s -o - \
   8 // RUN:  | FileCheck %s --check-prefix=CXAATEXIT
   9
  10 // RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -emit-llvm -std=c++11 %s -o - \
  11 // RUN:    -fno-use-cxa-atexit | FileCheck %s --check-prefixes=ATEXIT,ATEXIT_ELF
  12
  13 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -emit-llvm -std=c++11 %s \
  14 // RUN:  -fptrauth-function-pointer-type-discrimination  -o - | FileCheck %s --check-prefix=CXAATEXIT_DISC
  15
  16 // RUN: %clang_cc1 -triple arm64-apple-ios -fptrauth-calls -emit-llvm -std=c++11 %s -o - \
  17 // RUN:   -fptrauth-function-pointer-type-discrimination  -fno-use-cxa-atexit \
  18 // RUN:  | FileCheck %s --check-prefixes=ATEXIT_DISC,ATEXIT_DISC_DARWIN
  19
  20 // RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -emit-llvm -std=c++11 %s \
  21 // RUN:  -fptrauth-function-pointer-type-discrimination  -o - | FileCheck %s --check-prefix=CXAATEXIT_DISC
  22
  23 // RUN: %clang_cc1 -triple aarch64-linux-gnu -fptrauth-calls -emit-llvm -std=c++11 %s -o - \
  24 // RUN:   -fptrauth-function-pointer-type-discrimination -fno-use-cxa-atexit \
  25 // RUN:  | FileCheck %s --check-prefixes=ATEXIT_DISC,ATEXIT_DISC_ELF
  26
  27 class Foo {
  28  public:
  29   ~Foo() {
  30   }
  31 };
  32
  33 Foo global;
  34
  35 // CXAATEXIT: define internal void @__cxx_global_var_init()
  36 // CXAATEXIT:   call i32 @__cxa_atexit(ptr ptrauth (ptr @_ZN3FooD1Ev, i32 0), ptr @global, ptr @__dso_handle)
  37
  38 // CXAATEXIT_DISC: define internal void @__cxx_global_var_init()
  39 // CXAATEXIT_DISC:   call i32 @__cxa_atexit(ptr ptrauth (ptr @_ZN3FooD1Ev, i32 0, i64 10942), ptr @global, ptr @__dso_handle)
  40
  41 // ATEXIT: define internal void @__cxx_global_var_init()
  42 // ATEXIT:   %{{.*}} = call i32 @atexit(ptr ptrauth (ptr @__dtor_global, i32 0))
  43
  44 // ATEXIT_DARWIN: define internal void @__dtor_global() {{.*}} section "__TEXT,__StaticInit,regular,pure_instructions" {
  45 // ATEXIT_ELF:    define internal void @__dtor_global() {{.*}} section ".text.startup" {
  46 // ATEXIT_DARWIN:   %{{.*}} = call ptr @_ZN3FooD1Ev(ptr @global)
  47 // ATEXIT_ELF:      call void @_ZN3FooD1Ev(ptr @global)
  48
  49 // ATEXIT_DISC: define internal void @__cxx_global_var_init()
  50 // ATEXIT_DISC:   %{{.*}} = call i32 @atexit(ptr ptrauth (ptr @__dtor_global, i32 0, i64 10942))
  51
  52
  53 // ATEXIT_DISC_DARWIN: define internal void @__dtor_global() {{.*}} section "__TEXT,__StaticInit,regular,pure_instructions" {
  54 // ATEXIT_DISC_ELF:    define internal void @__dtor_global() {{.*}} section ".text.startup" {
  55 // ATEXIT_DISC_DARWIN:   %{{.*}} = call ptr @_ZN3FooD1Ev(ptr @global)
  56 // ATEXIT_DISC_ELF:      call void @_ZN3FooD1Ev(ptr @global)