xref: /aosp_15_r20/external/clang/test/CodeGenCXX/cfi-icall.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // 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*67e74705SXin Li // 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*67e74705SXin Li 
4*67e74705SXin Li // Tests that we assign unnamed metadata nodes to functions whose types have
5*67e74705SXin Li // internal linkage.
6*67e74705SXin Li 
7*67e74705SXin Li namespace {
8*67e74705SXin Li 
9*67e74705SXin Li struct S {};
10*67e74705SXin Li 
f(S * s)11*67e74705SXin Li void f(S *s) {
12*67e74705SXin Li }
13*67e74705SXin Li 
14*67e74705SXin Li }
15*67e74705SXin Li 
g()16*67e74705SXin Li void g() {
17*67e74705SXin Li   void (*fp)(S *) = f;
18*67e74705SXin Li   // CHECK: call i1 @llvm.type.test(i8* {{.*}}, metadata [[VOIDS:![0-9]+]])
19*67e74705SXin Li   fp(0);
20*67e74705SXin Li }
21*67e74705SXin Li 
22*67e74705SXin Li // ITANIUM: define internal void @_ZN12_GLOBAL__N_11fEPNS_1SE({{.*}} !type [[TS:![0-9]+]]
23*67e74705SXin Li // MS: define internal void @"\01?f@?A@@YAXPEAUS@?A@@@Z"({{.*}} !type [[TS:![0-9]+]]
24*67e74705SXin Li 
25*67e74705SXin Li // CHECK: [[VOIDS]] = distinct !{}
26*67e74705SXin Li // CHECK: [[TS]] = !{i64 0, [[VOIDS]]}
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