| // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=kcfi -fsanitize-trap=kcfi -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=UNGENERALIZED %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=kcfi -fsanitize-trap=kcfi -fsanitize-cfi-icall-generalize-pointers -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=GENERALIZED %s |
| |
| // Test that const char* is generalized to const ptr and that char** is |
| // generalized to ptr |
| |
| // CHECK: define{{.*}} ptr @f({{.*}} !kcfi_type [[TYPE:![0-9]+]] |
| int** f(const char *a, const char **b) { |
| return (int**)0; |
| } |
| |
| // GENERALIZED: define{{.*}} ptr @f2({{.*}} !kcfi_type [[TYPE]] |
| // UNGENERALIZED: define{{.*}} ptr @f2({{.*}} !kcfi_type [[TYPE2:![0-9]+]] |
| int** f2(const int *a, const int **b) { |
| return (int**)0; |
| } |
| |
| // CHECK: define{{.*}} ptr @f3({{.*}} !kcfi_type [[TYPE3:![0-9]+]] |
| int** f3(char *a, char **b) { |
| return (int**)0; |
| } |
| |
| void g(int** (*fp)(const char *, const char **)) { |
| // UNGENERALIZED: call {{.*}} [ "kcfi"(i32 1296635908) ] |
| // GENERALIZED: call {{.*}} [ "kcfi"(i32 -49168686) ] |
| fp(0, 0); |
| } |
| |
| // UNGENERALIZED: [[TYPE]] = !{i32 1296635908} |
| // GENERALIZED: [[TYPE]] = !{i32 -49168686} |
| |
| // UNGENERALIZED: [[TYPE3]] = !{i32 874141567} |
| // GENERALIZED: [[TYPE3]] = !{i32 954385378} |
