Auto merge of #132807 - bjorn3:sync_cg_clif-2024-11-09, r=bjorn3

Subtree sync for rustc_codegen_cranelift

Apart from a perf optimization for some crates (rust-lang/rustc_codegen_cranelift#1541) not much changed this time as the last sync was less than a week ago.

r? `@ghost`

`@rustbot` label +A-codegen +A-cranelift +T-compiler

Author: bors

Diff for: compiler/rustc_codegen_cranelift/patches/0022-coretests-Disable-not-compiling-tests.patch

@@ -38,7 +38,7 @@ index 42a26ae..5ac1042 100644
 @@ -1,3 +1,4 @@
 +#![cfg(test)]
  // tidy-alphabetical-start
+ #![cfg_attr(bootstrap, feature(const_three_way_compare))]
  #![cfg_attr(bootstrap, feature(strict_provenance))]
- #![cfg_attr(not(bootstrap), feature(strict_provenance_lints))]
 --
 2.21.0 (Apple Git-122)

Diff for: compiler/rustc_codegen_cranelift/patches/0027-coretests-128bit-atomic-operations.patch

@@ -15,7 +15,7 @@ index 1e336bf..35e6f54 100644
 --- a/lib.rs
 +++ b/lib.rs
 @@ -2,7 +2,6 @@
- // tidy-alphabetical-start
+ #![cfg_attr(bootstrap, feature(const_three_way_compare))]
  #![cfg_attr(bootstrap, feature(strict_provenance))]
  #![cfg_attr(not(bootstrap), feature(strict_provenance_lints))]
 -#![cfg_attr(target_has_atomic = "128", feature(integer_atomics))]

Diff for: compiler/rustc_codegen_cranelift/rust-toolchain

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "nightly-2024-11-02"
+channel = "nightly-2024-11-09"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
 profile = "minimal"

Diff for: compiler/rustc_codegen_cranelift/scripts/test_bootstrap.sh

@@ -11,5 +11,22 @@ rm -r compiler/rustc_codegen_cranelift/{Cargo.*,src}
 cp ../Cargo.* compiler/rustc_codegen_cranelift/
 cp -r ../src compiler/rustc_codegen_cranelift/src
 
+# FIXME(rust-lang/rust#132719) remove once it doesn't break without this patch
+cat <<EOF | git apply -
+diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs
+index 3394f2a84a0..cb980dd4d7c 100644
+--- a/src/bootstrap/src/core/build_steps/compile.rs
++++ b/src/bootstrap/src/core/build_steps/compile.rs
+@@ -1976,7 +1976,7 @@ fn run(self, builder: &Builder<'_>) -> Compiler {
+             }
+         }
+
+-        {
++        if builder.config.llvm_enabled(target_compiler.host) && builder.config.llvm_tools_enabled {
+             // \`llvm-strip\` is used by rustc, which is actually just a symlink to \`llvm-objcopy\`,
+             // so copy and rename \`llvm-objcopy\`.
+             let src_exe = exe("llvm-objcopy", target_compiler.host);
+EOF
+
 ./x.py build --stage 1 library/std
 popd

Diff for: compiler/rustc_codegen_cranelift/src/abi/comments.rs

@@ -3,7 +3,7 @@
 
 use std::borrow::Cow;
 
-use rustc_target::abi::call::PassMode;
+use rustc_target::callconv::PassMode;
 
 use crate::prelude::*;
 

Diff for: compiler/rustc_codegen_cranelift/src/abi/mod.rs

@@ -10,6 +10,7 @@ use std::mem;
 use cranelift_codegen::ir::{ArgumentPurpose, SigRef};
 use cranelift_codegen::isa::CallConv;
 use cranelift_module::ModuleError;
+use rustc_abi::ExternAbi;
 use rustc_codegen_ssa::base::is_call_from_compiler_builtins_to_upstream_monomorphization;
 use rustc_codegen_ssa::errors::CompilerBuiltinsCannotCall;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
@@ -18,8 +19,7 @@ use rustc_middle::ty::layout::FnAbiOf;
 use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_session::Session;
 use rustc_span::source_map::Spanned;
-use rustc_target::abi::call::{Conv, FnAbi, PassMode};
-use rustc_target::spec::abi::Abi;
+use rustc_target::callconv::{Conv, FnAbi, PassMode};
 
 use self::pass_mode::*;
 pub(crate) use self::returning::codegen_return;
@@ -443,7 +443,7 @@ pub(crate) fn codegen_terminator_call<'tcx>(
         RevealAllLayoutCx(fx.tcx).fn_abi_of_fn_ptr(fn_sig, extra_args)
     };
 
-    let is_cold = if fn_sig.abi() == Abi::RustCold {
+    let is_cold = if fn_sig.abi() == ExternAbi::RustCold {
         true
     } else {
         instance.is_some_and(|inst| {
@@ -458,7 +458,7 @@ pub(crate) fn codegen_terminator_call<'tcx>(
     }
 
     // Unpack arguments tuple for closures
-    let mut args = if fn_sig.abi() == Abi::RustCall {
+    let mut args = if fn_sig.abi() == ExternAbi::RustCall {
         let (self_arg, pack_arg) = match args {
             [pack_arg] => (None, codegen_call_argument_operand(fx, &pack_arg.node)),
             [self_arg, pack_arg] => (

Diff for: compiler/rustc_codegen_cranelift/src/abi/pass_mode.rs

@@ -1,8 +1,9 @@
 //! Argument passing
 
 use cranelift_codegen::ir::{ArgumentExtension, ArgumentPurpose};
-use rustc_target::abi::call::{
-    ArgAbi, ArgAttributes, ArgExtension as RustcArgExtension, CastTarget, PassMode, Reg, RegKind,
+use rustc_abi::{Reg, RegKind};
+use rustc_target::callconv::{
+    ArgAbi, ArgAttributes, ArgExtension as RustcArgExtension, CastTarget, PassMode,
 };
 use smallvec::{SmallVec, smallvec};
 

Diff for: compiler/rustc_codegen_cranelift/src/abi/returning.rs

@@ -1,6 +1,6 @@
 //! Return value handling
 
-use rustc_target::abi::call::{ArgAbi, PassMode};
+use rustc_target::callconv::{ArgAbi, PassMode};
 use smallvec::{SmallVec, smallvec};
 
 use crate::prelude::*;

Diff for: compiler/rustc_codegen_cranelift/src/base.rs

@@ -934,7 +934,7 @@ fn codegen_stmt<'tcx>(
                 let dst = codegen_operand(fx, dst);
                 let pointee = dst
                     .layout()
-                    .pointee_info_at(fx, rustc_target::abi::Size::ZERO)
+                    .pointee_info_at(fx, rustc_abi::Size::ZERO)
                     .expect("Expected pointer");
                 let dst = dst.load_scalar(fx);
                 let src = codegen_operand(fx, src).load_scalar(fx);

Diff for: compiler/rustc_codegen_cranelift/src/common.rs

@@ -1,13 +1,13 @@
 use cranelift_codegen::isa::TargetFrontendConfig;
 use cranelift_frontend::{FunctionBuilder, FunctionBuilderContext};
+use rustc_abi::{Float, Integer, Primitive};
 use rustc_index::IndexVec;
 use rustc_middle::ty::TypeFoldable;
 use rustc_middle::ty::layout::{
     self, FnAbiError, FnAbiOfHelpers, FnAbiRequest, LayoutError, LayoutOfHelpers,
 };
 use rustc_span::source_map::Spanned;
-use rustc_target::abi::call::FnAbi;
-use rustc_target::abi::{Float, Integer, Primitive};
+use rustc_target::callconv::FnAbi;
 use rustc_target::spec::{HasTargetSpec, Target};
 
 use crate::constant::ConstantCx;
@@ -162,8 +162,8 @@ pub(crate) fn codegen_icmp_imm(
 pub(crate) fn codegen_bitcast(fx: &mut FunctionCx<'_, '_, '_>, dst_ty: Type, val: Value) -> Value {
     let mut flags = MemFlags::new();
     flags.set_endianness(match fx.tcx.data_layout.endian {
-        rustc_target::abi::Endian::Big => cranelift_codegen::ir::Endianness::Big,
-        rustc_target::abi::Endian::Little => cranelift_codegen::ir::Endianness::Little,
+        rustc_abi::Endian::Big => cranelift_codegen::ir::Endianness::Big,
+        rustc_abi::Endian::Little => cranelift_codegen::ir::Endianness::Little,
     });
     fx.bcx.ins().bitcast(dst_ty, flags, val)
 }
@@ -333,8 +333,8 @@ impl<'tcx> layout::HasTyCtxt<'tcx> for FunctionCx<'_, '_, 'tcx> {
     }
 }
 
-impl<'tcx> rustc_target::abi::HasDataLayout for FunctionCx<'_, '_, 'tcx> {
-    fn data_layout(&self) -> &rustc_target::abi::TargetDataLayout {
+impl<'tcx> rustc_abi::HasDataLayout for FunctionCx<'_, '_, 'tcx> {
+    fn data_layout(&self) -> &rustc_abi::TargetDataLayout {
         &self.tcx.data_layout
     }
 }
@@ -491,8 +491,8 @@ impl<'tcx> layout::HasTyCtxt<'tcx> for RevealAllLayoutCx<'tcx> {
     }
 }
 
-impl<'tcx> rustc_target::abi::HasDataLayout for RevealAllLayoutCx<'tcx> {
-    fn data_layout(&self) -> &rustc_target::abi::TargetDataLayout {
+impl<'tcx> rustc_abi::HasDataLayout for RevealAllLayoutCx<'tcx> {
+    fn data_layout(&self) -> &rustc_abi::TargetDataLayout {
         &self.0.data_layout
     }
 }

Diff for: compiler/rustc_codegen_cranelift/src/debuginfo/mod.rs

@@ -20,7 +20,7 @@ use rustc_hir::def::DefKind;
 use rustc_hir::def_id::DefIdMap;
 use rustc_session::Session;
 use rustc_span::{FileNameDisplayPreference, SourceFileHash, StableSourceFileId};
-use rustc_target::abi::call::FnAbi;
+use rustc_target::callconv::FnAbi;
 
 pub(crate) use self::emit::{DebugReloc, DebugRelocName};
 pub(crate) use self::types::TypeDebugContext;

Diff for: compiler/rustc_codegen_cranelift/src/driver/aot.rs

@@ -2,6 +2,7 @@
 //! standalone executable.
 
 use std::fs::{self, File};
+use std::io::BufWriter;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 use std::thread::JoinHandle;
@@ -397,14 +398,19 @@ fn emit_module(
     }
 
     let tmp_file = output_filenames.temp_path(OutputType::Object, Some(&name));
-    let mut file = match File::create(&tmp_file) {
+    let file = match File::create(&tmp_file) {
         Ok(file) => file,
         Err(err) => return Err(format!("error creating object file: {}", err)),
     };
 
+    let mut file = BufWriter::new(file);
     if let Err(err) = object.write_stream(&mut file) {
         return Err(format!("error writing object file: {}", err));
     }
+    let file = match file.into_inner() {
+        Ok(file) => file,
+        Err(err) => return Err(format!("error writing object file: {}", err)),
+    };
 
     prof.artifact_size("object_file", &*name, file.metadata().unwrap().len());
 

Diff for: compiler/rustc_codegen_cranelift/src/inline_asm.rs

@@ -464,7 +464,7 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
         let new_slot_fn = |slot_size: &mut Size, reg_class: InlineAsmRegClass| {
             let reg_size =
                 reg_class.supported_types(self.arch).iter().map(|(ty, _)| ty.size()).max().unwrap();
-            let align = rustc_target::abi::Align::from_bytes(reg_size.bytes()).unwrap();
+            let align = rustc_abi::Align::from_bytes(reg_size.bytes()).unwrap();
             let offset = slot_size.align_to(align);
             *slot_size = offset + reg_size;
             offset

Diff for: compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs

@@ -1,7 +1,7 @@
 //! Codegen SIMD intrinsics.
 
 use cranelift_codegen::ir::immediates::Offset32;
-use rustc_target::abi::Endian;
+use rustc_abi::Endian;
 
 use super::*;
 use crate::prelude::*;

Diff for: compiler/rustc_codegen_cranelift/src/lib.rs

@@ -241,6 +241,8 @@ impl CodegenBackend for CraneliftCodegenBackend {
         sess: &Session,
         outputs: &OutputFilenames,
     ) -> (CodegenResults, FxIndexMap<WorkProductId, WorkProduct>) {
+        let _timer = sess.timer("finish_ongoing_codegen");
+
         ongoing_codegen.downcast::<driver::aot::OngoingCodegen>().unwrap().join(
             sess,
             outputs,

Diff for: compiler/rustc_codegen_cranelift/src/pointer.rs

@@ -2,7 +2,7 @@
 //! operations.
 
 use cranelift_codegen::ir::immediates::Offset32;
-use rustc_target::abi::Align;
+use rustc_abi::Align;
 
 use crate::prelude::*;
 

Diff for: compiler/rustc_codegen_cranelift/src/pretty_clif.rs

@@ -64,7 +64,7 @@ use cranelift_codegen::ir::entities::AnyEntity;
 use cranelift_codegen::write::{FuncWriter, PlainWriter};
 use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_session::config::{OutputFilenames, OutputType};
-use rustc_target::abi::call::FnAbi;
+use rustc_target::callconv::FnAbi;
 
 use crate::prelude::*;