clang/test/CodeGenCXX/cfi-icall.cpp

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ITANIUM %s
   2 // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=MS %s
   3
   4 // Tests that we assign unnamed metadata nodes to functions whose types have
   5 // internal linkage.
   6
   7 namespace {
   8
   9 struct S {};
  10
  11 void f(S s) {
  12 }
  13
  14 }
  15
  16 void g() {
  17   struct S s;
  18   void (*fp)(S) = f;
  19   // CHECK: call i1 @llvm.type.test(ptr {{.*}}, metadata [[VOIDS1:![0-9]+]])
  20   fp(s);
  21 }
  22
  23 // ITANIUM: define internal void @_ZN12_GLOBAL__N_11fENS_1SE({{.*}} !type [[TS1:![0-9]+]] !type [[TS2:![0-9]+]]
  24 // MS: define internal void @"?f@?A0x{{[^@]*}}@@YAXUS@?A0x{{[^@]*}}@@@Z"({{.*}} !type [[TS1:![0-9]+]] !type [[TS2:![0-9]+]]
  25
  26 // CHECK: [[VOIDS1]] = distinct !{}
  27 // CHECK: [[TS1]] = !{i64 0, [[VOIDS1]]}
  28 // CHECK: [[TS2]] = !{i64 0, [[VOIDS2:![0-9]+]]}
  29 // CHECK: [[VOIDS2]] = distinct !{}