clang/test/CodeGen/cfi-icall.c

   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 appropriate identifiers to unprototyped functions.
   5
   6 // CHECK: define {{(dso_local )?}}void @f({{.*}} !type [[TVOID:![0-9]+]] !type [[TVOID_GENERALIZED:![0-9]+]]
   7 void f() {
   8 }
   9
  10 void xf();
  11
  12 // CHECK: define {{(dso_local )?}}void @g({{.*}} !type [[TINT:![0-9]+]] !type [[TINT_GENERALIZED:![0-9]+]]
  13 void g(int b) {
  14   void (*fp)() = b ? f : xf;
  15   // ITANIUM: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFvE")
  16   fp();
  17 }
  18
  19 // CHECK: declare !type [[TVOID]] !type [[TVOID_GENERALIZED]] {{(dso_local )?}}void @xf({{.*}}
  20
  21 // ITANIUM-DAG: [[TVOID]] = !{i64 0, !"_ZTSFvE"}
  22 // ITANIUM-DAG: [[TVOID_GENERALIZED]] = !{i64 0, !"_ZTSFvE.generalized"}
  23 // ITANIUM-DAG: [[TINT]] = !{i64 0, !"_ZTSFviE"}
  24 // ITANIUM-DAG: [[TINT_GENERALIZED]] = !{i64 0, !"_ZTSFviE.generalized"}
  25 // MS-DAG: [[TVOID]] = !{i64 0, !"?6AX@Z"}
  26 // MS-DAG: [[TVOID_GENERALIZED]] = !{i64 0, !"?6AX@Z.generalized"}
  27 // MS-DAG: [[TINT]] = !{i64 0, !"?6AXH@Z"}
  28 // MS-DAG: [[TINT_GENERALIZED]] = !{i64 0, !"?6AXH@Z.generalized"}