34 lines
1.3 KiB
C
34 lines
1.3 KiB
C
// 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}
|