| Vlad Tsyrklevich | 634c601 | 2017-10-31 22:39:44 +0000 | [diff] [blame] | 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 void* and that const char** is |
| 5 | // generalized to void* |
| 6 | |
| 7 | // CHECK: define i32** @f({{.*}} !type [[TYPE:![0-9]+]] !type [[TYPE_GENERALIZED:![0-9]+]] |
| 8 | int** f(const char *a, const char **b) { |
| 9 | return (int**)0; |
| 10 | } |
| 11 | |
| 12 | void g(int** (*fp)(const char *, const char **)) { |
| 13 | // UNGENERALIZED: call i1 @llvm.type.test(i8* {{.*}}, metadata !"_ZTSFPPiPKcPS2_E") |
| 14 | // GENERALIZED: call i1 @llvm.type.test(i8* {{.*}}, 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"} |