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Add constant for Size::from_bytes(0)

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This commit is contained in:
Oliver Schneider 2018-05-20 14:14:39 +02:00
parent a41dd6fce2
commit 9cc5d927c9
17 changed files with 59 additions and 54 deletions
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4
src/librustc_codegen_llvm/abi.rs
View file

@ -454,7 +454,7 @@ impl<'a, 'tcx> FnTypeExt<'a, 'tcx> for FnType<'tcx, Ty<'tcx>> {
adjust_for_rust_scalar(&mut a_attrs,
a,
arg.layout,
Size::from_bytes(0),
Size::ZERO,
false);
adjust_for_rust_scalar(&mut b_attrs,
b,
@ -471,7 +471,7 @@ impl<'a, 'tcx> FnTypeExt<'a, 'tcx> for FnType<'tcx, Ty<'tcx>> {
adjust_for_rust_scalar(attrs,
scalar,
arg.layout,
Size::from_bytes(0),
Size::ZERO,
is_return);
}
}

12
src/librustc_codegen_llvm/debuginfo/metadata.rs
View file

@ -325,7 +325,7 @@ fn vec_slice_metadata<'a, 'tcx>(cx: &CodegenCx<'a, 'tcx>,
MemberDescription {
name: "data_ptr".to_string(),
type_metadata: data_ptr_metadata,
offset: Size::from_bytes(0),
offset: Size::ZERO,
size: pointer_size,
align: pointer_align,
flags: DIFlags::FlagZero,
@ -1074,7 +1074,7 @@ impl<'tcx> UnionMemberDescriptionFactory<'tcx> {
MemberDescription {
name: f.name.to_string(),
type_metadata: type_metadata(cx, field.ty, self.span),
offset: Size::from_bytes(0),
offset: Size::ZERO,
size,
align,
flags: DIFlags::FlagZero,
@ -1158,7 +1158,7 @@ impl<'tcx> EnumMemberDescriptionFactory<'tcx> {
MemberDescription {
name: "".to_string(),
type_metadata: variant_type_metadata,
offset: Size::from_bytes(0),
offset: Size::ZERO,
size: self.layout.size,
align: self.layout.align,
flags: DIFlags::FlagZero
@ -1187,7 +1187,7 @@ impl<'tcx> EnumMemberDescriptionFactory<'tcx> {
MemberDescription {
name: "".to_string(),
type_metadata: variant_type_metadata,
offset: Size::from_bytes(0),
offset: Size::ZERO,
size: variant.size,
align: variant.align,
flags: DIFlags::FlagZero
@ -1248,7 +1248,7 @@ impl<'tcx> EnumMemberDescriptionFactory<'tcx> {
MemberDescription {
name,
type_metadata: variant_type_metadata,
offset: Size::from_bytes(0),
offset: Size::ZERO,
size: variant.size,
align: variant.align,
flags: DIFlags::FlagZero
@ -1747,7 +1747,7 @@ pub fn create_vtable_metadata<'a, 'tcx>(cx: &CodegenCx<'a, 'tcx>,
name.as_ptr(),
unknown_file_metadata(cx),
UNKNOWN_LINE_NUMBER,
Size::from_bytes(0).bits(),
Size::ZERO.bits(),
cx.tcx.data_layout.pointer_align.abi_bits() as u32,
DIFlags::FlagArtificial,
ptr::null_mut(),

8
src/librustc_codegen_llvm/type_of.rs
View file

@ -40,7 +40,7 @@ fn uncached_llvm_type<'a, 'tcx>(cx: &CodegenCx<'a, 'tcx>,
if use_x86_mmx {
return Type::x86_mmx(cx)
} else {
let element = layout.scalar_llvm_type_at(cx, element, Size::from_bytes(0));
let element = layout.scalar_llvm_type_at(cx, element, Size::ZERO);
return Type::vector(&element, count);
}
}
@ -120,7 +120,7 @@ fn struct_llfields<'a, 'tcx>(cx: &CodegenCx<'a, 'tcx>,
let field_count = layout.fields.count();
let mut packed = false;
let mut offset = Size::from_bytes(0);
let mut offset = Size::ZERO;
let mut prev_align = layout.align;
let mut result: Vec<Type> = Vec::with_capacity(1 + field_count * 2);
for i in layout.fields.index_by_increasing_offset() {
@ -265,7 +265,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyLayout<'tcx> {
);
FnType::new(cx, sig, &[]).llvm_type(cx).ptr_to()
}
_ => self.scalar_llvm_type_at(cx, scalar, Size::from_bytes(0))
_ => self.scalar_llvm_type_at(cx, scalar, Size::ZERO)
};
cx.scalar_lltypes.borrow_mut().insert(self.ty, llty);
return llty;
@ -372,7 +372,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyLayout<'tcx> {
}
let offset = if index == 0 {
Size::from_bytes(0)
Size::ZERO
} else {
a.value.size(cx).abi_align(b.value.align(cx))
};