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rustup: update to nightly-2021-08-27.

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Eduard-Mihai Burtescu 2021-08-27 16:32:15 +03:00 committed by Eduard-Mihai Burtescu
parent 92dc64bd06
commit 75f81814ec
7 changed files with 34 additions and 36 deletions
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12
crates/rustc_codegen_spirv/src/attr.rs
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@ -144,7 +144,7 @@ impl AggregatedSpirvAttributes {
// NOTE(eddyb) `delay_span_bug` ensures that if attribute checking fails
// to see an attribute error, it will cause an ICE instead.
for (_, parse_attr_result) in crate::symbols::parse_attrs_for_checking(&cx.sym, attrs) {
for parse_attr_result in crate::symbols::parse_attrs_for_checking(&cx.sym, attrs) {
let (span, parsed_attr) = match parse_attr_result {
Ok(span_and_parsed_attr) => span_and_parsed_attr,
Err((span, msg)) => {
@ -263,11 +263,7 @@ impl CheckSpirvAttrVisitor<'_> {
let parse_attrs = |attrs| crate::symbols::parse_attrs_for_checking(&self.sym, attrs);
let attrs = self.tcx.hir().attrs(hir_id);
for (attr, parse_attr_result) in parse_attrs(attrs) {
// Make sure to mark the whole `#[spirv(...)]` attribute as used,
// to avoid warnings about unused attributes.
self.tcx.sess.mark_attr_used(attr);
for parse_attr_result in parse_attrs(attrs) {
let (span, parsed_attr) = match parse_attr_result {
Ok(span_and_parsed_attr) => span_and_parsed_attr,
Err((span, msg)) => {
@ -312,7 +308,7 @@ impl CheckSpirvAttrVisitor<'_> {
let parent_hir_id = self.tcx.hir().get_parent_node(hir_id);
let parent_is_entry_point =
parse_attrs(self.tcx.hir().attrs(parent_hir_id))
.filter_map(|(_, r)| r.ok())
.filter_map(|r| r.ok())
.any(|(_, attr)| matches!(attr, SpirvAttribute::Entry(_)));
if !parent_is_entry_point {
self.tcx.sess.span_err(
@ -494,7 +490,7 @@ impl<'tcx> Visitor<'tcx> for CheckSpirvAttrVisitor<'tcx> {
fn check_invalid_macro_level_spirv_attr(tcx: TyCtxt<'_>, sym: &Symbols, attrs: &[Attribute]) {
for attr in attrs {
if tcx.sess.check_name(attr, sym.spirv) {
if attr.has_name(sym.spirv) {
tcx.sess
.span_err(attr.span, "#[spirv(..)] cannot be applied to a macro");
}

9
crates/rustc_codegen_spirv/src/codegen_cx/constant.rs
View File

@ -341,14 +341,17 @@ impl<'tcx> ConstMethods<'tcx> for CodegenCx<'tcx> {
}
impl<'tcx> CodegenCx<'tcx> {
// This function comes from https://doc.rust-lang.org/nightly/nightly-rustc/src/rustc_middle/ty/layout.rs.html,
// and is a lambda in the `layout_raw_uncached` function in Version 1.50.0-nightly (eb4fc71dc 2020-12-17)
// This function comes from `ty::layout`'s `layout_of_uncached`,
// where it's named `scalar_unit`.
pub fn primitive_to_scalar(&self, value: Primitive) -> abi::Scalar {
let bits = value.size(self.data_layout()).bits();
assert!(bits <= 128);
abi::Scalar {
value,
valid_range: 0..=(!0 >> (128 - bits)),
valid_range: abi::WrappingRange {
start: 0,
end: (!0 >> (128 - bits)),
},
}
}

15
crates/rustc_codegen_spirv/src/codegen_cx/declare.rs
View File

@ -294,12 +294,17 @@ impl<'tcx> StaticMethods for CodegenCx<'tcx> {
.set_global_initializer(g.def_cx(self), v.def_cx(self));
}
/// Mark the given global value as "used", to prevent a backend from potentially removing a
/// static variable that may otherwise appear unused.
///
/// Static variables in Rust can be annotated with the `#[used]` attribute to direct the `rustc`
/// compiler to mark the variable as a "used global".
/// Mark the given global value as "used", to prevent the compiler and linker from potentially
/// removing a static variable that may otherwise appear unused.
fn add_used_global(&self, _global: Self::Value) {
// TODO: Ignore for now.
}
/// Same as `add_used_global`, but only prevent the compiler from potentially removing an
/// otherwise unused symbol. The linker is still permitted to drop it.
///
/// This corresponds to the semantics of the `#[used]` attribute.
fn add_compiler_used_global(&self, _global: Self::Value) {
// TODO: Ignore for now.
}
}

8
crates/rustc_codegen_spirv/src/codegen_cx/mod.rs
View File

@ -562,6 +562,10 @@ impl<'tcx> MiscMethods<'tcx> for CodegenCx<'tcx> {
todo!()
}
fn compiler_used_statics(&self) -> &RefCell<Vec<Self::Value>> {
todo!()
}
fn set_frame_pointer_type(&self, _llfn: Self::Function) {
todo!()
}
@ -574,6 +578,10 @@ impl<'tcx> MiscMethods<'tcx> for CodegenCx<'tcx> {
todo!()
}
fn create_compiler_used_variable(&self) {
todo!()
}
fn declare_c_main(&self, _fn_type: Self::Type) -> Option<Self::Function> {
todo!()
}

20
crates/rustc_codegen_spirv/src/symbols.rs
View File

@ -1,7 +1,7 @@
use crate::attr::{Entry, ExecutionModeExtra, IntrinsicType, SpirvAttribute};
use crate::builder::libm_intrinsics;
use rspirv::spirv::{BuiltIn, ExecutionMode, ExecutionModel, StorageClass};
use rustc_ast::ast::{AttrKind, Attribute, Lit, LitIntType, LitKind, NestedMetaItem};
use rustc_ast::ast::{Attribute, Lit, LitIntType, LitKind, NestedMetaItem};
use rustc_data_structures::fx::FxHashMap;
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::Span;
@ -409,22 +409,9 @@ type ParseAttrError = (Span, String);
pub(crate) fn parse_attrs_for_checking<'a>(
sym: &'a Symbols,
attrs: &'a [Attribute],
) -> impl Iterator<
Item = (
&'a Attribute,
Result<(Span, SpirvAttribute), ParseAttrError>,
),
> + 'a {
) -> impl Iterator<Item = Result<(Span, SpirvAttribute), ParseAttrError>> + 'a {
attrs.iter().flat_map(move |attr| {
let is_spirv = match attr.kind {
AttrKind::Normal(ref item, _) => {
// TODO: We ignore the rest of the path. Is this right?
let last = item.path.segments.last();
last.map_or(false, |seg| seg.ident.name == sym.spirv)
}
AttrKind::DocComment(..) => false,
};
let (whole_attr_error, args) = if !is_spirv {
let (whole_attr_error, args) = if !attr.has_name(sym.spirv) {
// Use an empty vec here to return empty
(None, Vec::new())
} else if let Some(args) = attr.meta_item_list() {
@ -475,7 +462,6 @@ pub(crate) fn parse_attrs_for_checking<'a>(
};
Ok((span, parsed_attr))
}))
.map(move |parse_attr_result| (attr, parse_attr_result))
})
}

2
rust-toolchain
View File

@ -5,5 +5,5 @@
# to the user in the error, instead of "error: invalid channel name '[toolchain]'".
[toolchain]
channel = "nightly-2021-08-10"
channel = "nightly-2021-08-27"
components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

4
tests/ui/dis/ptr_copy.normal.stderr
View File

@ -1,7 +1,7 @@
error: Cannot memcpy dynamically sized data
--> $CORE_SRC/intrinsics.rs:2132:14
--> $CORE_SRC/intrinsics.rs:2138:14
|
2132 | unsafe { copy(src, dst, count) }
2138 | unsafe { copy(src, dst, count) }
| ^^^^^^^^^^^^^^^^^^^^^
error: aborting due to previous error