diff options
Diffstat (limited to 'src/test/codegen/loads.rs')
| -rw-r--r-- | src/test/codegen/loads.rs | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/src/test/codegen/loads.rs b/src/test/codegen/loads.rs deleted file mode 100644 index f448306ba..000000000 --- a/src/test/codegen/loads.rs +++ /dev/null @@ -1,152 +0,0 @@ -// compile-flags: -C no-prepopulate-passes -Zmir-opt-level=0 - -#![crate_type = "lib"] - -use std::mem::MaybeUninit; -use std::num::NonZeroU16; - -pub struct Bytes { - a: u8, - b: u8, - c: u8, - d: u8, -} - -#[derive(Copy, Clone)] -pub enum MyBool { - True, - False, -} - -#[repr(align(16))] -pub struct Align16(u128); - -// CHECK: @ptr_alignment_helper({{.*}}align [[PTR_ALIGNMENT:[0-9]+]] -#[no_mangle] -pub fn ptr_alignment_helper(x: &&()) {} - -// CHECK-LABEL: @load_ref -#[no_mangle] -pub fn load_ref<'a>(x: &&'a i32) -> &'a i32 { - // CHECK: load {{i32\*|ptr}}, {{i32\*\*|ptr}} %x, align [[PTR_ALIGNMENT]], !nonnull !{{[0-9]+}}, !align ![[ALIGN_4_META:[0-9]+]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_ref_higher_alignment -#[no_mangle] -pub fn load_ref_higher_alignment<'a>(x: &&'a Align16) -> &'a Align16 { - // CHECK: load {{%Align16\*|i128\*|ptr}}, {{%Align16\*\*|i128\*\*|ptr}} %x, align [[PTR_ALIGNMENT]], !nonnull !{{[0-9]+}}, !align ![[ALIGN_16_META:[0-9]+]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_scalar_pair -#[no_mangle] -pub fn load_scalar_pair<'a>(x: &(&'a i32, &'a Align16)) -> (&'a i32, &'a Align16) { - // CHECK: load {{i32\*|ptr}}, {{i32\*\*|ptr}} %{{.+}}, align [[PTR_ALIGNMENT]], !nonnull !{{[0-9]+}}, !align ![[ALIGN_4_META]], !noundef !{{[0-9]+}} - // CHECK: load {{i64\*|ptr}}, {{i64\*\*|ptr}} %{{.+}}, align [[PTR_ALIGNMENT]], !nonnull !{{[0-9]+}}, !align ![[ALIGN_16_META]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_raw_pointer -#[no_mangle] -pub fn load_raw_pointer<'a>(x: &*const i32) -> *const i32 { - // loaded raw pointer should not have !nonnull, !align, or !noundef metadata - // CHECK: load {{i32\*|ptr}}, {{i32\*\*|ptr}} %x, align [[PTR_ALIGNMENT]]{{$}} - *x -} - -// CHECK-LABEL: @load_box -#[no_mangle] -pub fn load_box<'a>(x: Box<Box<i32>>) -> Box<i32> { - // CHECK: load {{i32\*|ptr}}, {{i32\*\*|ptr}} %{{.*}}, align [[PTR_ALIGNMENT]], !nonnull !{{[0-9]+}}, !align ![[ALIGN_4_META]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_bool -#[no_mangle] -pub fn load_bool(x: &bool) -> bool { - // CHECK: load i8, {{i8\*|ptr}} %x, align 1, !range ![[BOOL_RANGE:[0-9]+]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_maybeuninit_bool -#[no_mangle] -pub fn load_maybeuninit_bool(x: &MaybeUninit<bool>) -> MaybeUninit<bool> { - // CHECK: load i8, {{i8\*|ptr}} %x, align 1{{$}} - *x -} - -// CHECK-LABEL: @load_enum_bool -#[no_mangle] -pub fn load_enum_bool(x: &MyBool) -> MyBool { - // CHECK: load i8, {{i8\*|ptr}} %x, align 1, !range ![[BOOL_RANGE]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_maybeuninit_enum_bool -#[no_mangle] -pub fn load_maybeuninit_enum_bool(x: &MaybeUninit<MyBool>) -> MaybeUninit<MyBool> { - // CHECK: load i8, {{i8\*|ptr}} %x, align 1{{$}} - *x -} - -// CHECK-LABEL: @load_int -#[no_mangle] -pub fn load_int(x: &u16) -> u16 { - // CHECK: load i16, {{i16\*|ptr}} %x, align 2{{$}} - *x -} - -// CHECK-LABEL: @load_nonzero_int -#[no_mangle] -pub fn load_nonzero_int(x: &NonZeroU16) -> NonZeroU16 { - // CHECK: load i16, {{i16\*|ptr}} %x, align 2, !range ![[NONZEROU16_RANGE:[0-9]+]], !noundef !{{[0-9]+}} - *x -} - -// CHECK-LABEL: @load_option_nonzero_int -#[no_mangle] -pub fn load_option_nonzero_int(x: &Option<NonZeroU16>) -> Option<NonZeroU16> { - // CHECK: load i16, {{i16\*|ptr}} %x, align 2{{$}} - *x -} - -// CHECK-LABEL: @borrow -#[no_mangle] -pub fn borrow(x: &i32) -> &i32 { - // CHECK: load {{i32\*|ptr}}, {{i32\*\*|ptr}} %x{{.*}}, !nonnull - &x; // keep variable in an alloca - x -} - -// CHECK-LABEL: @_box -#[no_mangle] -pub fn _box(x: Box<i32>) -> i32 { - // CHECK: load {{i32\*|ptr}}, {{i32\*\*|ptr}} %x{{.*}}, align [[PTR_ALIGNMENT]] - *x -} - -// CHECK-LABEL: small_array_alignment -// The array is loaded as i32, but its alignment is lower, go with 1 byte to avoid target -// dependent alignment -#[no_mangle] -pub fn small_array_alignment(x: [i8; 4]) -> [i8; 4] { - // CHECK: [[VAR:%[0-9]+]] = load i32, {{i32\*|ptr}} %{{.*}}, align 1 - // CHECK: ret i32 [[VAR]] - x -} - -// CHECK-LABEL: small_struct_alignment -// The struct is loaded as i32, but its alignment is lower, go with 1 byte to avoid target -// dependent alignment -#[no_mangle] -pub fn small_struct_alignment(x: Bytes) -> Bytes { - // CHECK: [[VAR:%[0-9]+]] = load i32, {{i32\*|ptr}} %{{.*}}, align 1 - // CHECK: ret i32 [[VAR]] - x -} - -// CHECK-DAG: ![[BOOL_RANGE]] = !{i8 0, i8 2} -// CHECK-DAG: ![[NONZEROU16_RANGE]] = !{i16 1, i16 0} -// CHECK-DAG: ![[ALIGN_4_META]] = !{i64 4} -// CHECK-DAG: ![[ALIGN_16_META]] = !{i64 16} |