diff options
Diffstat (limited to 'tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs')
-rw-r--r-- | tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs b/tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs new file mode 100644 index 00000000000..81e0d9344f7 --- /dev/null +++ b/tests/codegen/sanitizer-kcfi-emit-type-metadata-trait-objects.rs @@ -0,0 +1,69 @@ +// Verifies that type metadata identifiers for trait objects are emitted correctly. +// +// revisions: aarch64 x86_64 +// [aarch64] compile-flags: --target aarch64-unknown-none +// [aarch64] needs-llvm-components: aarch64 +// [x86_64] compile-flags: --target x86_64-unknown-none +// [x86_64] needs-llvm-components: +// compile-flags: -Cno-prepopulate-passes -Zsanitizer=kcfi -Copt-level=0 + +#![crate_type="lib"] +#![feature(arbitrary_self_types, no_core, lang_items)] +#![no_core] + +#[lang="sized"] +trait Sized { } +#[lang="copy"] +trait Copy { } +#[lang="receiver"] +trait Receiver { } +#[lang="dispatch_from_dyn"] +trait DispatchFromDyn<T> { } +impl<'a, T: ?Sized + Unsize<U>, U: ?Sized> DispatchFromDyn<&'a U> for &'a T {} +#[lang = "unsize"] +trait Unsize<T: ?Sized> { } +#[lang = "coerce_unsized"] +pub trait CoerceUnsized<T: ?Sized> { } +impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {} +#[lang="freeze"] +trait Freeze { } +#[lang="drop_in_place"] +fn drop_in_place_fn<T>() { } + +trait Trait1 { + fn foo(&self); +} + +struct Type1; + +impl Trait1 for Type1 { + fn foo(&self) { + } +} + +pub fn foo() { + let a = Type1; + a.foo(); + // CHECK-LABEL: define{{.*}}foo{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}} + // CHECK: call <sanitizer_kcfi_emit_type_metadata_trait_objects::Type1 as sanitizer_kcfi_emit_type_metadata_trait_objects::Trait1>::foo +} + +pub fn bar() { + let a = Type1; + let b = &a as &dyn Trait1; + b.foo(); + // CHECK-LABEL: define{{.*}}bar{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}} + // CHECK: call void %0({{\{\}\*|ptr}} align 1 {{%b\.0|%_1}}){{.*}}[ "kcfi"(i32 [[TYPE1:[[:print:]]+]]) ] +} + +pub fn baz() { + let a = Type1; + let b = &a as &dyn Trait1; + a.foo(); + b.foo(); + // CHECK-LABEL: define{{.*}}baz{{.*}}!{{<unknown kind #36>|kcfi_type}} !{{[0-9]+}} + // CHECK: call <sanitizer_kcfi_emit_type_metadata_trait_objects::Type1 as sanitizer_kcfi_emit_type_metadata_trait_objects::Trait1>::foo + // CHECK: call void %0({{\{\}\*|ptr}} align 1 {{%b\.0|%_1}}){{.*}}[ "kcfi"(i32 [[TYPE1:[[:print:]]+]]) ] +} + +// CHECK: !{{[0-9]+}} = !{i32 [[TYPE1]]} |