rustup update to 2021-05-17 (#621)

crates/rustc_codegen_spirv/src/builder/builder_methods.rs

@@ -518,7 +518,9 @@ impl<'a, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'tcx> {
     fn set_span(&mut self, span: Span) {
         self.current_span = Some(span);
         let loc = self.cx.tcx.sess.source_map().lookup_char_pos(span.lo());
-        let file = self.builder.def_string(format!("{}", loc.file.name));
+        let file = self
+            .builder
+            .def_string(format!("{}", loc.file.name.prefer_remapped()));
         self.emit()
             .line(file, loc.line as u32, loc.col_display as u32);
     }

crates/rustc_codegen_spirv/src/builder/spirv_asm.rs

@@ -747,7 +747,7 @@ impl<'cx, 'tcx> Builder<'cx, 'tcx> {
         token: Token<'a, 'cx, 'tcx>,
     ) -> Option<OutRegister<'a>> {
         match token {
-            Token::Word(word) => match word.strip_prefix("%") {
+            Token::Word(word) => match word.strip_prefix('%') {
                 Some(id) => Some(OutRegister::Regular({
                     let num = *id_map.entry(id).or_insert_with(|| self.emit().id());
                     if !defined_ids.insert(num) {
@@ -835,7 +835,7 @@ impl<'cx, 'tcx> Builder<'cx, 'tcx> {
         token: Token<'a, 'cx, 'tcx>,
     ) -> Option<Word> {
         match token {
-            Token::Word(word) => match word.strip_prefix("%") {
+            Token::Word(word) => match word.strip_prefix('%') {
                 Some(id) => Some(*id_map.entry(id).or_insert_with(|| self.emit().id())),
                 None => {
                     self.err("expected ID");

crates/rustc_codegen_spirv/src/codegen_cx/declare.rs

@@ -212,10 +212,13 @@ impl<'tcx> PreDefineMethods<'tcx> for CodegenCx<'tcx> {
         let linkage = match linkage {
             Linkage::External => Some(LinkageType::Export),
             Linkage::Internal => None,
-            other => self.tcx.sess.fatal(&format!(
-                "TODO: Linkage type not supported yet: {:?}",
-                other
-            )),
+            other => {
+                self.tcx.sess.err(&format!(
+                    "TODO: Linkage type {:?} not supported yet for static var symbol {}",
+                    other, symbol_name
+                ));
+                None
+            }
         };
 
         let g = self.declare_global(span, spvty);
@@ -231,15 +234,21 @@ impl<'tcx> PreDefineMethods<'tcx> for CodegenCx<'tcx> {
         instance: Instance<'tcx>,
         linkage: Linkage,
         _visibility: Visibility,
-        _symbol_name: &str,
+        symbol_name: &str,
     ) {
         let linkage2 = match linkage {
-            Linkage::External => Some(LinkageType::Export),
+            // super sketchy hack: memcpy, memmove, memset, memcmp, and bcmp in the
+            // compiler_builtins crate use the WeakAny linkage type. Treat it as actually External
+            // linkage because we know there's only one of them.
+            Linkage::External | Linkage::WeakAny => Some(LinkageType::Export),
             Linkage::Internal => None,
-            other => self.tcx.sess.fatal(&format!(
-                "TODO: Linkage type not supported yet: {:?}",
-                other
-            )),
+            other => {
+                self.tcx.sess.err(&format!(
+                    "TODO: Linkage type {:?} not supported yet for function symbol {}",
+                    other, symbol_name
+                ));
+                None
+            }
         };
         let declared = self.declare_fn_ext(instance, linkage2);
 

crates/rustc_codegen_spirv/src/codegen_cx/mod.rs

@@ -14,12 +14,13 @@ use crate::target::SpirvTarget;
 
 use rspirv::dr::{Module, Operand};
 use rspirv::spirv::{AddressingModel, Decoration, LinkageType, Op, Word};
+use rustc_ast::ast::{InlineAsmOptions, InlineAsmTemplatePiece};
 use rustc_codegen_ssa::mir::debuginfo::{FunctionDebugContext, VariableKind};
 use rustc_codegen_ssa::traits::{
-    AsmMethods, BackendTypes, CoverageInfoMethods, DebugInfoMethods, MiscMethods,
+    AsmMethods, BackendTypes, CoverageInfoMethods, DebugInfoMethods, GlobalAsmOperandRef,
+    MiscMethods,
 };
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
-use rustc_hir::GlobalAsm;
 use rustc_middle::mir::mono::CodegenUnit;
 use rustc_middle::mir::Body;
 use rustc_middle::ty::layout::{HasParamEnv, HasTyCtxt};
@@ -616,7 +617,13 @@ impl<'tcx> CoverageInfoMethods<'tcx> for CodegenCx<'tcx> {
 }
 
 impl<'tcx> AsmMethods for CodegenCx<'tcx> {
-    fn codegen_global_asm(&self, _ga: &GlobalAsm) {
+    fn codegen_global_asm(
+        &self,
+        _template: &[InlineAsmTemplatePiece],
+        _operands: &[GlobalAsmOperandRef],
+        _options: InlineAsmOptions,
+        _line_spans: &[Span],
+    ) {
         todo!()
     }
 }

crates/rustc_codegen_spirv/src/decorations.rs

@@ -197,7 +197,7 @@ impl SerializedSpan {
             file: match &file.name {
                 // We can only support real files, not "synthetic" ones (which
                 // are almost never exposed to the compiler backend anyway).
-                FileName::Real(real_name) => real_name.local_path().to_path_buf(),
+                FileName::Real(real_name) => real_name.local_path()?.to_path_buf(),
                 _ => return None,
             },
             hash: file.src_hash.into(),

crates/rustc_codegen_spirv/src/lib.rs

@@ -328,6 +328,12 @@ impl CodegenBackend for SpirvCodegenBackend {
         Box::new(rustc_codegen_ssa::base::codegen_crate(
             Self,
             tcx,
+            tcx.sess
+                .opts
+                .cg
+                .target_cpu
+                .clone()
+                .unwrap_or_else(|| tcx.sess.target.cpu.clone()),
             metadata,
             need_metadata_module,
         ))
@@ -472,7 +478,7 @@ impl WriteBackendMethods for SpirvCodegenBackend {
         _: &ModuleCodegen<Self::Module>,
         _: &ModuleConfig,
         _: bool,
-    ) {
+    ) -> Result<(), FatalError> {
         todo!()
     }
 }

crates/rustc_codegen_spirv/src/link.rs

@@ -86,10 +86,16 @@ fn link_rlib(sess: &Session, codegen_results: &CodegenResults, out_filename: &Pa
     }
     for lib in codegen_results.crate_info.used_libraries.iter() {
         match lib.kind {
-            NativeLibKind::StaticBundle => {}
-            NativeLibKind::StaticNoBundle
-            | NativeLibKind::Dylib
-            | NativeLibKind::Framework
+            NativeLibKind::Static {
+                bundle: None | Some(true),
+                ..
+            } => {}
+            NativeLibKind::Static {
+                bundle: Some(false),
+                ..
+            }
+            | NativeLibKind::Dylib { .. }
+            | NativeLibKind::Framework { .. }
             | NativeLibKind::RawDylib
             | NativeLibKind::Unspecified => continue,
         }
@@ -335,15 +341,18 @@ fn add_upstream_native_libraries(
                 continue;
             }
             match lib.kind {
-                NativeLibKind::Dylib | NativeLibKind::Unspecified => sess.fatal(&format!(
+                NativeLibKind::Dylib { .. } | NativeLibKind::Unspecified => sess.fatal(&format!(
                     "TODO: dylib nativelibkind not supported yet: {}",
                     name
                 )),
-                NativeLibKind::Framework => sess.fatal(&format!(
+                NativeLibKind::Framework { .. } => sess.fatal(&format!(
                     "TODO: framework nativelibkind not supported yet: {}",
                     name
                 )),
-                NativeLibKind::StaticNoBundle => {
+                NativeLibKind::Static {
+                    bundle: Some(false),
+                    ..
+                } => {
                     if data[cnum.as_usize() - 1] == Linkage::Static {
                         sess.fatal(&format!(
                             "TODO: staticnobundle nativelibkind not supported yet: {}",
@@ -351,7 +360,10 @@ fn add_upstream_native_libraries(
                         ))
                     }
                 }
-                NativeLibKind::StaticBundle => {}
+                NativeLibKind::Static {
+                    bundle: None | Some(true),
+                    ..
+                } => {}
                 NativeLibKind::RawDylib => {
                     sess.fatal(&format!("raw_dylib feature not yet implemented: {}", name))
                 }

rust-toolchain

@@ -5,5 +5,5 @@
 # to the user in the error, instead of "error: invalid channel name '[toolchain]'".
 
 [toolchain]
-channel = "nightly-2021-04-25"
+channel = "nightly-2021-05-17"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

tests/ui/dis/ptr_write.stderr

@@ -7,7 +7,7 @@ OpLine %9 7 35
 %10 = OpLoad  %11  %4
 OpLine %9 7 13
 OpStore %8 %10
-OpLine %12 886 8
+OpLine %12 878 8
 OpCopyMemory %6 %8
 OpLine %9 8 1
 OpReturn

tests/ui/dis/ptr_write_method.stderr

@@ -7,7 +7,7 @@ OpLine %9 7 37
 %10 = OpLoad  %11  %4
 OpLine %12 1012 17
 OpStore %8 %10
-OpLine %13 886 8
+OpLine %13 878 8
 OpCopyMemory %6 %8
 OpLine %9 8 1
 OpReturn

tests/ui/spirv-attr/bad-infer-storage-class.stderr

@@ -25,7 +25,7 @@ error: entry parameter type must be by-reference: `&spirv_std::image::Image<f32,
 15 | pub fn issue_585(invalid: Image!(2D, type=f32)) {}
    |                           ^^^^^^^^^^^^^^^^^^^^
    |
-   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
+   = note: this error originates in the macro `Image` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to 2 previous errors; 1 warning emitted