diff options
Diffstat (limited to 'src/test/codegen/function-arguments.rs')
| -rw-r--r-- | src/test/codegen/function-arguments.rs | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/src/test/codegen/function-arguments.rs b/src/test/codegen/function-arguments.rs index f8945a6ee8d..09031508da1 100644 --- a/src/test/codegen/function-arguments.rs +++ b/src/test/codegen/function-arguments.rs @@ -10,6 +10,7 @@ // compile-flags: -C no-prepopulate-passes // ignore-tidy-linelength +// min-llvm-version 6.0 #![crate_type = "lib"] #![feature(custom_attribute)] @@ -52,16 +53,14 @@ pub fn named_borrow<'r>(_: &'r i32) { pub fn unsafe_borrow(_: &UnsafeInner) { } -// CHECK: @mutable_unsafe_borrow(i16* dereferenceable(2) %arg0) +// CHECK: @mutable_unsafe_borrow(i16* noalias dereferenceable(2) %arg0) // ... unless this is a mutable borrow, those never alias -// ... except that there's this LLVM bug that forces us to not use noalias, see #29485 #[no_mangle] pub fn mutable_unsafe_borrow(_: &mut UnsafeInner) { } -// CHECK: @mutable_borrow(i32* dereferenceable(4) %arg0) +// CHECK: @mutable_borrow(i32* noalias dereferenceable(4) %arg0) // FIXME #25759 This should also have `nocapture` -// ... there's this LLVM bug that forces us to not use noalias, see #29485 #[no_mangle] pub fn mutable_borrow(_: &mut i32) { } @@ -103,9 +102,8 @@ pub fn helper(_: usize) { pub fn slice(_: &[u8]) { } -// CHECK: @mutable_slice([0 x i8]* nonnull %arg0.0, [[USIZE]] %arg0.1) +// CHECK: @mutable_slice([0 x i8]* noalias nonnull %arg0.0, [[USIZE]] %arg0.1) // FIXME #25759 This should also have `nocapture` -// ... there's this LLVM bug that forces us to not use noalias, see #29485 #[no_mangle] pub fn mutable_slice(_: &mut [u8]) { } @@ -122,23 +120,41 @@ pub fn unsafe_slice(_: &[UnsafeInner]) { pub fn str(_: &[u8]) { } -// CHECK: @trait_borrow(%"core::ops::drop::Drop"* nonnull %arg0.0, {}* noalias nonnull readonly %arg0.1) +// CHECK: @trait_borrow({}* nonnull %arg0.0, [4 x [[USIZE]]]* noalias readonly dereferenceable({{.*}}) %arg0.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] pub fn trait_borrow(_: &Drop) { } -// CHECK: @trait_box(%"core::ops::drop::Drop"* noalias nonnull, {}* noalias nonnull readonly) +// CHECK: @trait_box({}* noalias nonnull, [4 x [[USIZE]]]* noalias readonly dereferenceable({{.*}})) #[no_mangle] pub fn trait_box(_: Box<Drop>) { } +// CHECK: { i8*, i8* } @trait_option(i8* noalias %x.0, i8* %x.1) +#[no_mangle] +pub fn trait_option(x: Option<Box<Drop>>) -> Option<Box<Drop>> { + x +} + // CHECK: { [0 x i16]*, [[USIZE]] } @return_slice([0 x i16]* noalias nonnull readonly %x.0, [[USIZE]] %x.1) #[no_mangle] pub fn return_slice(x: &[u16]) -> &[u16] { x } +// CHECK: { i16, i16 } @enum_id_1(i16 %x.0, i16 %x.1) +#[no_mangle] +pub fn enum_id_1(x: Option<Result<u16, u16>>) -> Option<Result<u16, u16>> { + x +} + +// CHECK: { i8, i8 } @enum_id_2(i1 zeroext %x.0, i8 %x.1) +#[no_mangle] +pub fn enum_id_2(x: Option<u8>) -> Option<u8> { + x +} + // CHECK: noalias i8* @allocator() #[no_mangle] #[allocator] |