clang/test/CodeGenCXX/ptrauth-rtti-layout.cpp

   1 // RUN: %clang_cc1 %s -I%S -triple=arm64-apple-ios   -fptrauth-calls -std=c++11 -emit-llvm -o - | FileCheck --check-prefix=DARWIN %s
   2 // RUN: %clang_cc1 %s -I%S -triple=aarch64-linux-gnu -fptrauth-calls -std=c++11 -emit-llvm -o - | FileCheck --check-prefix=ELF %s
   3
   4 #include <typeinfo>
   5
   6 struct A { int a; };
   7
   8 // DARWIN: @_ZTI1A = linkonce_odr hidden constant { ptr, ptr } { ptr ptrauth (ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 2), i32 2), ptr inttoptr (i64 add (i64 ptrtoint (ptr @_ZTS1A to i64), i64 -9223372036854775808) to ptr) }
   9 // DARWIN: @_ZTVN10__cxxabiv117__class_type_infoE = external global [0 x ptr]
  10 // DARWIN: @_ZTS1A = linkonce_odr hidden constant [3 x i8] c"1A\00"
  11
  12 // ELF: @_ZTI1A = linkonce_odr constant { ptr, ptr } { ptr ptrauth (ptr getelementptr inbounds (ptr, ptr @_ZTVN10__cxxabiv117__class_type_infoE, i64 2), i32 2), ptr @_ZTS1A }
  13 // ELF: @_ZTVN10__cxxabiv117__class_type_infoE = external global [0 x ptr]
  14 // ELF: @_ZTS1A = linkonce_odr constant [3 x i8] c"1A\00"
  15
  16 auto ATI = typeid(A);