| // 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 |
| // 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 |
| |
| // Test that const char* is generalized to const ptr and that char** is |
| // generalized to ptr |
| |
| // CHECK: define{{.*}} ptr @f({{.*}} !type [[TYPE:![0-9]+]] !type [[TYPE_GENERALIZED:![0-9]+]] |
| int** f(const char *a, const char **b) { |
| return (int**)0; |
| } |
| |
| void g(int** (*fp)(const char *, const char **)) { |
| // UNGENERALIZED: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFPPiPKcPS2_E") |
| // GENERALIZED: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFPvPKvS_E.generalized") |
| fp(0, 0); |
| } |
| |
| union Union { |
| char *c; |
| long *n; |
| } __attribute__((transparent_union)); |
| |
| // CHECK: define{{.*}} void @uni({{.*}} !type [[TYPE2:![0-9]+]] !type [[TYPE2_GENERALIZED:![0-9]+]] |
| void uni(void (*fn)(union Union), union Union arg1) { |
| // UNGENERALIZED: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFvPcE") |
| // GENERALIZED: call i1 @llvm.type.test(ptr {{.*}}, metadata !"_ZTSFvPvE.generalized") |
| fn(arg1); |
| } |
| |
| // CHECK: [[TYPE]] = !{i64 0, !"_ZTSFPPiPKcPS2_E"} |
| // CHECK: [[TYPE_GENERALIZED]] = !{i64 0, !"_ZTSFPvPKvS_E.generalized"} |
| |
| // CHECK: [[TYPE2]] = !{i64 0, !"_ZTSFvPFv5UnionEPcE"} |
| // CHECK: [[TYPE2_GENERALIZED]] = !{i64 0, !"_ZTSFvPvS_E.generalized"} |
| |
