1*ec2e26eaSSami Tolvanen // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -fsanitize=cfi-icall -o - %s | FileCheck %s 2*ec2e26eaSSami Tolvanen 3*ec2e26eaSSami Tolvanen #if !__has_builtin(__builtin_function_start) 4*ec2e26eaSSami Tolvanen #error "missing __builtin_function_start" 5*ec2e26eaSSami Tolvanen #endif 6*ec2e26eaSSami Tolvanen 7*ec2e26eaSSami Tolvanen void a(void) {} 8*ec2e26eaSSami Tolvanen // CHECK: @e = global i8* bitcast (void ()* no_cfi @_Z1av to i8*) 9*ec2e26eaSSami Tolvanen const void *e = __builtin_function_start(a); 10*ec2e26eaSSami Tolvanen 11*ec2e26eaSSami Tolvanen constexpr void (*d)() = &a; 12*ec2e26eaSSami Tolvanen // CHECK: @f = global i8* bitcast (void ()* no_cfi @_Z1av to i8*) 13*ec2e26eaSSami Tolvanen const void *f = __builtin_function_start(d); 14*ec2e26eaSSami Tolvanen 15*ec2e26eaSSami Tolvanen void b(void) {} 16*ec2e26eaSSami Tolvanen // CHECK: @g = global [2 x i8*] [i8* bitcast (void ()* @_Z1bv to i8*), i8* bitcast (void ()* no_cfi @_Z1bv to i8*)] 17*ec2e26eaSSami Tolvanen void *g[] = {(void *)b, __builtin_function_start(b)}; 18*ec2e26eaSSami Tolvanen 19*ec2e26eaSSami Tolvanen void c(void *p) {} 20*ec2e26eaSSami Tolvanen 21*ec2e26eaSSami Tolvanen class A { 22*ec2e26eaSSami Tolvanen public: 23*ec2e26eaSSami Tolvanen void f(); 24*ec2e26eaSSami Tolvanen virtual void g(); 25*ec2e26eaSSami Tolvanen static void h(); 26*ec2e26eaSSami Tolvanen int i() const; 27*ec2e26eaSSami Tolvanen int i(int n) const; 28*ec2e26eaSSami Tolvanen }; 29*ec2e26eaSSami Tolvanen 30*ec2e26eaSSami Tolvanen void A::f() {} 31*ec2e26eaSSami Tolvanen void A::g() {} 32*ec2e26eaSSami Tolvanen void A::h() {} 33*ec2e26eaSSami Tolvanen 34*ec2e26eaSSami Tolvanen // CHECK: define {{.*}}i32 @_ZNK1A1iEv(%class.A* {{.*}}%this) 35*ec2e26eaSSami Tolvanen int A::i() const { return 0; } 36*ec2e26eaSSami Tolvanen 37*ec2e26eaSSami Tolvanen // CHECK: define {{.*}}i32 @_ZNK1A1iEi(%class.A* {{.*}}%this, i32 %n) 38*ec2e26eaSSami Tolvanen int A::i(int n) const { return 0; } 39*ec2e26eaSSami Tolvanen 40*ec2e26eaSSami Tolvanen void h(void) { 41*ec2e26eaSSami Tolvanen // CHECK: store i8* bitcast (void ()* no_cfi @_Z1bv to i8*), i8** %g 42*ec2e26eaSSami Tolvanen void *g = __builtin_function_start(b); 43*ec2e26eaSSami Tolvanen // CHECK: call void @_Z1cPv(i8* bitcast (void ()* no_cfi @_Z1av to i8*)) 44*ec2e26eaSSami Tolvanen c(__builtin_function_start(a)); 45*ec2e26eaSSami Tolvanen 46*ec2e26eaSSami Tolvanen // CHECK: store i8* bitcast (void (%class.A*)* no_cfi @_ZN1A1fEv to i8*), i8** %Af 47*ec2e26eaSSami Tolvanen void *Af = __builtin_function_start(&A::f); 48*ec2e26eaSSami Tolvanen // CHECK: store i8* bitcast (void (%class.A*)* no_cfi @_ZN1A1gEv to i8*), i8** %Ag 49*ec2e26eaSSami Tolvanen void *Ag = __builtin_function_start(&A::g); 50*ec2e26eaSSami Tolvanen // CHECK: store i8* bitcast (void ()* no_cfi @_ZN1A1hEv to i8*), i8** %Ah 51*ec2e26eaSSami Tolvanen void *Ah = __builtin_function_start(&A::h); 52*ec2e26eaSSami Tolvanen // CHECK: store i8* bitcast (i32 (%class.A*)* no_cfi @_ZNK1A1iEv to i8*), i8** %Ai1 53*ec2e26eaSSami Tolvanen void *Ai1 = __builtin_function_start((int(A::*)() const) & A::i); 54*ec2e26eaSSami Tolvanen // CHECK: store i8* bitcast (i32 (%class.A*, i32)* no_cfi @_ZNK1A1iEi to i8*), i8** %Ai2 55*ec2e26eaSSami Tolvanen void *Ai2 = __builtin_function_start((int(A::*)(int) const) & A::i); 56*ec2e26eaSSami Tolvanen } 57