diff options
Diffstat (limited to 'tests/codegen/sanitizer-cfi-emit-type-checks.rs')
| -rw-r--r-- | tests/codegen/sanitizer-cfi-emit-type-checks.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/codegen/sanitizer-cfi-emit-type-checks.rs b/tests/codegen/sanitizer-cfi-emit-type-checks.rs new file mode 100644 index 000000000..597b867eb --- /dev/null +++ b/tests/codegen/sanitizer-cfi-emit-type-checks.rs @@ -0,0 +1,20 @@ +// Verifies that pointer type membership tests for indirect calls are emitted. +// +// needs-sanitizer-cfi +// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0 + +#![crate_type="lib"] + +pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 { + // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}} + // CHECK: start: + // CHECK: [[TT:%.+]] = call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0}}, metadata !"{{[[:print:]]+}}") + // CHECK-NEXT: br i1 [[TT]], label %type_test.pass, label %type_test.fail + // CHECK: type_test.pass: + // CHECK-NEXT: {{%.+}} = call i32 %f(i32 %arg) + // CHECK-NEXT: br label %bb1 + // CHECK: type_test.fail: + // CHECK-NEXT: call void @llvm.trap() + // CHECK-NEXT: unreachable + f(arg) +} |