xref: /llvm-project/clang/test/CodeGen/cfi-icall-generalize.c (revision 39db5e1ed87363a9ffea81e53520b542201b3262)
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=UNGENERALIZED %s
2 // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -fsanitize-cfi-icall-generalize-pointers -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GENERALIZED %s
3 
4 // Test that const char* is generalized to const ptr and that const char** is
5 // generalized to ptr
6 
7 // CHECK: define{{.*}} ptr @f({{.*}} !type [[TYPE:![0-9]+]] !type [[TYPE_GENERALIZED:![0-9]+]]
f(const char * a,const char ** b)8 int** f(const char *a, const char **b) {
9   return (int**)0;
10 }
11 
g(int ** (* fp)(const char *,const char **))12 void g(int** (*fp)(const char *, const char **)) {
13   // UNGENERALIZED: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFPPiPKcPS2_E")
14   // GENERALIZED: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFPvPKvS_E.generalized")
15   fp(0, 0);
16 }
17 
18 // CHECK: [[TYPE]] = !{i64 0, !"_ZTSFPPiPKcPS2_E"}
19 // CHECK: [[TYPE_GENERALIZED]] = !{i64 0, !"_ZTSFPvPKvS_E.generalized"}
20