xref: /aosp_15_r20/external/clang/test/CodeGen/cfi-icall.c (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 appropriate identifiers to unprototyped functions.
5*67e74705SXin Li 
6*67e74705SXin Li // CHECK: define void @f({{.*}} !type [[TVOID:![0-9]+]]
f()7*67e74705SXin Li void f() {
8*67e74705SXin Li }
9*67e74705SXin Li 
10*67e74705SXin Li void xf();
11*67e74705SXin Li 
12*67e74705SXin Li // CHECK: define void @g({{.*}} !type [[TINT:![0-9]+]]
g(int b)13*67e74705SXin Li void g(int b) {
14*67e74705SXin Li   void (*fp)() = b ? f : xf;
15*67e74705SXin Li   // ITANIUM: call i1 @llvm.type.test(i8* {{.*}}, metadata !"_ZTSFvE")
16*67e74705SXin Li   fp();
17*67e74705SXin Li }
18*67e74705SXin Li 
19*67e74705SXin Li // CHECK: declare !type [[TVOID:![0-9]+]] void @xf({{.*}}
20*67e74705SXin Li 
21*67e74705SXin Li // ITANIUM-DAG: [[TVOID]] = !{i64 0, !"_ZTSFvE"}
22*67e74705SXin Li // ITANIUM-DAG: [[TINT]] = !{i64 0, !"_ZTSFviE"}
23*67e74705SXin Li // MS-DAG: [[TVOID]] = !{i64 0, !"?6AX@Z"}
24*67e74705SXin Li // MS-DAG: [[TINT]] = !{i64 0, !"?6AXH@Z"}
25