Merge pull request #1393 from onur-ozkan/rustfmt-group-imports

organize import sections with rustfmt `group_imports`

25 files changed, 62 insertions, 89 deletions

diff --git a/src/abi/mod.rs b/src/abi/mod.rs
index 5d775b9b532..bd56c3bd34c 100644
--- a/src/abi/mod.rs
+++ b/src/abi/mod.rs
@@ -6,6 +6,7 @@ mod returning;
 
 use std::borrow::Cow;
 
+use cranelift_codegen::ir::{AbiParam, SigRef};
 use cranelift_module::ModuleError;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::ty::layout::FnAbiOf;
@@ -13,12 +14,9 @@ use rustc_session::Session;
 use rustc_target::abi::call::{Conv, FnAbi};
 use rustc_target::spec::abi::Abi;
 
-use cranelift_codegen::ir::{AbiParam, SigRef};
-
 use self::pass_mode::*;
-use crate::prelude::*;
-
 pub(crate) use self::returning::codegen_return;
+use crate::prelude::*;
 
 fn clif_sig_from_fn_abi<'tcx>(
     tcx: TyCtxt<'tcx>,
diff --git a/src/abi/pass_mode.rs b/src/abi/pass_mode.rs
index d847e524f8c..024a9a9137c 100644
--- a/src/abi/pass_mode.rs
+++ b/src/abi/pass_mode.rs
@@ -1,14 +1,14 @@
 //! Argument passing
 
-use crate::prelude::*;
-use crate::value_and_place::assert_assignable;
-
 use cranelift_codegen::ir::{ArgumentExtension, ArgumentPurpose};
 use rustc_target::abi::call::{
     ArgAbi, ArgAttributes, ArgExtension as RustcArgExtension, CastTarget, PassMode, Reg, RegKind,
 };
 use smallvec::{smallvec, SmallVec};
 
+use crate::prelude::*;
+use crate::value_and_place::assert_assignable;
+
 pub(super) trait ArgAbiExt<'tcx> {
     fn get_abi_param(&self, tcx: TyCtxt<'tcx>) -> SmallVec<[AbiParam; 2]>;
     fn get_abi_return(&self, tcx: TyCtxt<'tcx>) -> (Option<AbiParam>, Vec<AbiParam>);
diff --git a/src/abi/returning.rs b/src/abi/returning.rs
index 14e54d5ee38..ff86f74d9b9 100644
--- a/src/abi/returning.rs
+++ b/src/abi/returning.rs
@@ -1,10 +1,10 @@
 //! Return value handling
 
-use crate::prelude::*;
-
 use rustc_target::abi::call::{ArgAbi, PassMode};
 use smallvec::{smallvec, SmallVec};
 
+use crate::prelude::*;
+
 /// Return a place where the return value of the current function can be written to. If necessary
 /// this adds an extra parameter pointing to where the return value needs to be stored.
 pub(super) fn codegen_return_param<'tcx>(
diff --git a/src/allocator.rs b/src/allocator.rs
index 4e4c595de82..e8af3e8c255 100644
--- a/src/allocator.rs
+++ b/src/allocator.rs
@@ -1,8 +1,6 @@
 //! Allocator shim
 // Adapted from rustc
 
-use crate::prelude::*;
-
 use rustc_ast::expand::allocator::{
     alloc_error_handler_name, default_fn_name, global_fn_name, AllocatorKind, AllocatorTy,
     ALLOCATOR_METHODS, NO_ALLOC_SHIM_IS_UNSTABLE,
@@ -10,6 +8,8 @@ use rustc_ast::expand::allocator::{
 use rustc_codegen_ssa::base::allocator_kind_for_codegen;
 use rustc_session::config::OomStrategy;
 
+use crate::prelude::*;
+
 /// Returns whether an allocator shim was created
 pub(crate) fn codegen(
     tcx: TyCtxt<'_>,
diff --git a/src/analyze.rs b/src/analyze.rs
index 359d581c153..321612238ea 100644
--- a/src/analyze.rs
+++ b/src/analyze.rs
@@ -1,11 +1,11 @@
 //! SSA analysis
 
-use crate::prelude::*;
-
 use rustc_index::IndexVec;
 use rustc_middle::mir::StatementKind::*;
 use rustc_middle::ty::Ty;
 
+use crate::prelude::*;
+
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
 pub(crate) enum SsaKind {
     NotSsa,
diff --git a/src/base.rs b/src/base.rs
index 54f82dcc8ae..b4d5fd0b092 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -1,15 +1,14 @@
 //! Codegen of a single function
 
+use cranelift_codegen::ir::UserFuncName;
+use cranelift_codegen::CodegenError;
+use cranelift_module::ModuleError;
 use rustc_ast::InlineAsmOptions;
 use rustc_index::IndexVec;
 use rustc_middle::ty::adjustment::PointerCoercion;
 use rustc_middle::ty::layout::FnAbiOf;
 use rustc_middle::ty::print::with_no_trimmed_paths;
 
-use cranelift_codegen::ir::UserFuncName;
-use cranelift_codegen::CodegenError;
-use cranelift_module::ModuleError;
-
 use crate::constant::ConstantCx;
 use crate::debuginfo::FunctionDebugContext;
 use crate::prelude::*;
diff --git a/src/common.rs b/src/common.rs
index ec2da39398b..0d871467bf3 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -1,6 +1,5 @@
 use cranelift_codegen::isa::TargetFrontendConfig;
 use gimli::write::FileId;
-
 use rustc_data_structures::sync::Lrc;
 use rustc_index::IndexVec;
 use rustc_middle::ty::layout::{
diff --git a/src/concurrency_limiter.rs b/src/concurrency_limiter.rs
index d2b928db7d4..20f2ee4c76a 100644
--- a/src/concurrency_limiter.rs
+++ b/src/concurrency_limiter.rs
@@ -1,8 +1,7 @@
 use std::sync::{Arc, Condvar, Mutex};
 
-use rustc_session::Session;
-
 use jobserver::HelperThread;
+use rustc_session::Session;
 
 // FIXME don't panic when a worker thread panics
 
diff --git a/src/constant.rs b/src/constant.rs
index b9d4bc9ff29..3cfe957e397 100644
--- a/src/constant.rs
+++ b/src/constant.rs
@@ -1,13 +1,12 @@
 //! Handling of `static`s, `const`s and promoted allocations
 
+use cranelift_module::*;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::mir::interpret::{
     read_target_uint, AllocId, ConstAllocation, ConstValue, ErrorHandled, GlobalAlloc, Scalar,
 };
 
-use cranelift_module::*;
-
 use crate::prelude::*;
 
 pub(crate) struct ConstantCx {
diff --git a/src/debuginfo/emit.rs b/src/debuginfo/emit.rs
index c4a5627e662..81b819a5546 100644
--- a/src/debuginfo/emit.rs
+++ b/src/debuginfo/emit.rs
@@ -1,10 +1,9 @@
 //! Write the debuginfo into an object file.
 
 use cranelift_object::ObjectProduct;
-use rustc_data_structures::fx::FxHashMap;
-
 use gimli::write::{Address, AttributeValue, EndianVec, Result, Sections, Writer};
 use gimli::{RunTimeEndian, SectionId};
+use rustc_data_structures::fx::FxHashMap;
 
 use super::object::WriteDebugInfo;
 use super::DebugContext;
diff --git a/src/debuginfo/line_info.rs b/src/debuginfo/line_info.rs
index b19b935a0fe..d00d19f9a80 100644
--- a/src/debuginfo/line_info.rs
+++ b/src/debuginfo/line_info.rs
@@ -3,20 +3,18 @@
 use std::ffi::OsStr;
 use std::path::{Component, Path};
 
-use crate::debuginfo::FunctionDebugContext;
-use crate::prelude::*;
-
-use rustc_data_structures::sync::Lrc;
-use rustc_span::{
-    FileName, Pos, SourceFile, SourceFileAndLine, SourceFileHash, SourceFileHashAlgorithm,
-};
-
 use cranelift_codegen::binemit::CodeOffset;
 use cranelift_codegen::MachSrcLoc;
-
 use gimli::write::{
     Address, AttributeValue, FileId, FileInfo, LineProgram, LineString, LineStringTable,
 };
+use rustc_data_structures::sync::Lrc;
+use rustc_span::{
+    FileName, Pos, SourceFile, SourceFileAndLine, SourceFileHash, SourceFileHashAlgorithm,
+};
+
+use crate::debuginfo::FunctionDebugContext;
+use crate::prelude::*;
 
 // OPTIMIZATION: It is cheaper to do this in one pass than using `.parent()` and `.file_name()`.
 fn split_path_dir_and_file(path: &Path) -> (&Path, &OsStr) {
diff --git a/src/debuginfo/mod.rs b/src/debuginfo/mod.rs
index 8a4b1cccf14..9e78cc259ce 100644
--- a/src/debuginfo/mod.rs
+++ b/src/debuginfo/mod.rs
@@ -5,11 +5,8 @@ mod line_info;
 mod object;
 mod unwind;
 
-use crate::prelude::*;
-
 use cranelift_codegen::ir::Endianness;
 use cranelift_codegen::isa::TargetIsa;
-
 use gimli::write::{
     Address, AttributeValue, DwarfUnit, FileId, LineProgram, LineString, Range, RangeList,
     UnitEntryId,
@@ -17,8 +14,9 @@ use gimli::write::{
 use gimli::{Encoding, Format, LineEncoding, RunTimeEndian};
 use indexmap::IndexSet;
 
-pub(crate) use emit::{DebugReloc, DebugRelocName};
-pub(crate) use unwind::UnwindContext;
+pub(crate) use self::emit::{DebugReloc, DebugRelocName};
+pub(crate) use self::unwind::UnwindContext;
+use crate::prelude::*;
 
 pub(crate) fn producer() -> String {
     format!(
diff --git a/src/debuginfo/object.rs b/src/debuginfo/object.rs
index 9dc9b2cf9f8..f1840a7bf73 100644
--- a/src/debuginfo/object.rs
+++ b/src/debuginfo/object.rs
@@ -1,12 +1,9 @@
-use rustc_data_structures::fx::FxHashMap;
-
 use cranelift_module::FuncId;
 use cranelift_object::ObjectProduct;
-
+use gimli::SectionId;
 use object::write::{Relocation, StandardSegment};
 use object::{RelocationEncoding, SectionKind};
-
-use gimli::SectionId;
+use rustc_data_structures::fx::FxHashMap;
 
 use crate::debuginfo::{DebugReloc, DebugRelocName};
 
diff --git a/src/debuginfo/unwind.rs b/src/debuginfo/unwind.rs
index 493359c743f..35278e6fb29 100644
--- a/src/debuginfo/unwind.rs
+++ b/src/debuginfo/unwind.rs
@@ -1,15 +1,13 @@
 //! Unwind info generation (`.eh_frame`)
 
-use crate::prelude::*;
-
 use cranelift_codegen::ir::Endianness;
 use cranelift_codegen::isa::{unwind::UnwindInfo, TargetIsa};
-
 use cranelift_object::ObjectProduct;
 use gimli::write::{Address, CieId, EhFrame, FrameTable, Section};
 use gimli::RunTimeEndian;
 
 use super::object::WriteDebugInfo;
+use crate::prelude::*;
 
 pub(crate) struct UnwindContext {
     endian: RunTimeEndian,
diff --git a/src/driver/aot.rs b/src/driver/aot.rs
index 3e93830951c..cc2f5d72714 100644
--- a/src/driver/aot.rs
+++ b/src/driver/aot.rs
@@ -6,6 +6,7 @@ use std::path::PathBuf;
 use std::sync::Arc;
 use std::thread::JoinHandle;
 
+use cranelift_object::{ObjectBuilder, ObjectModule};
 use rustc_codegen_ssa::back::metadata::create_compressed_metadata_file;
 use rustc_codegen_ssa::{CodegenResults, CompiledModule, CrateInfo, ModuleKind};
 use rustc_data_structures::profiling::SelfProfilerRef;
@@ -17,8 +18,6 @@ use rustc_session::cgu_reuse_tracker::CguReuse;
 use rustc_session::config::{DebugInfo, OutputFilenames, OutputType};
 use rustc_session::Session;
 
-use cranelift_object::{ObjectBuilder, ObjectModule};
-
 use crate::concurrency_limiter::{ConcurrencyLimiter, ConcurrencyLimiterToken};
 use crate::global_asm::GlobalAsmConfig;
 use crate::{prelude::*, BackendConfig};
diff --git a/src/driver/jit.rs b/src/driver/jit.rs
index 1c606494f38..6ee65d12c73 100644
--- a/src/driver/jit.rs
+++ b/src/driver/jit.rs
@@ -6,13 +6,12 @@ use std::ffi::CString;
 use std::os::raw::{c_char, c_int};
 use std::sync::{mpsc, Mutex, OnceLock};
 
+use cranelift_jit::{JITBuilder, JITModule};
 use rustc_codegen_ssa::CrateInfo;
 use rustc_middle::mir::mono::MonoItem;
 use rustc_session::Session;
 use rustc_span::Symbol;
 
-use cranelift_jit::{JITBuilder, JITModule};
-
 use crate::{prelude::*, BackendConfig};
 use crate::{CodegenCx, CodegenMode};
 
diff --git a/src/inline_asm.rs b/src/inline_asm.rs
index 518e3da07a4..73d7c14ec00 100644
--- a/src/inline_asm.rs
+++ b/src/inline_asm.rs
@@ -1,7 +1,5 @@
 //! Codegen of `asm!` invocations.
 
-use crate::prelude::*;
-
 use std::fmt::Write;
 
 use rustc_ast::ast::{InlineAsmOptions, InlineAsmTemplatePiece};
@@ -9,6 +7,8 @@ use rustc_middle::mir::InlineAsmOperand;
 use rustc_span::sym;
 use rustc_target::asm::*;
 
+use crate::prelude::*;
+
 enum CInlineAsmOperand<'tcx> {
     In {
         reg: InlineAsmRegOrRegClass,
diff --git a/src/intrinsics/llvm.rs b/src/intrinsics/llvm.rs
index 63b5402f2b6..c1694760998 100644
--- a/src/intrinsics/llvm.rs
+++ b/src/intrinsics/llvm.rs
@@ -1,10 +1,10 @@
 //! Emulate LLVM intrinsics
 
+use rustc_middle::ty::GenericArgsRef;
+
 use crate::intrinsics::*;
 use crate::prelude::*;
 
-use rustc_middle::ty::GenericArgsRef;
-
 pub(crate) fn codegen_llvm_intrinsic_call<'tcx>(
     fx: &mut FunctionCx<'_, '_, 'tcx>,
     intrinsic: &str,
diff --git a/src/intrinsics/llvm_aarch64.rs b/src/intrinsics/llvm_aarch64.rs
index c20a9915930..aea4259a3b9 100644
--- a/src/intrinsics/llvm_aarch64.rs
+++ b/src/intrinsics/llvm_aarch64.rs
@@ -1,10 +1,10 @@
 //! Emulate AArch64 LLVM intrinsics
 
+use rustc_middle::ty::GenericArgsRef;
+
 use crate::intrinsics::*;
 use crate::prelude::*;
 
-use rustc_middle::ty::GenericArgsRef;
-
 pub(crate) fn codegen_aarch64_llvm_intrinsic_call<'tcx>(
     fx: &mut FunctionCx<'_, '_, 'tcx>,
     intrinsic: &str,
diff --git a/src/intrinsics/llvm_x86.rs b/src/intrinsics/llvm_x86.rs
index 8422d5a4668..b1d49e217fd 100644
--- a/src/intrinsics/llvm_x86.rs
+++ b/src/intrinsics/llvm_x86.rs
@@ -1,10 +1,10 @@
 //! Emulate x86 LLVM intrinsics
 
+use rustc_middle::ty::GenericArgsRef;
+
 use crate::intrinsics::*;
 use crate::prelude::*;
 
-use rustc_middle::ty::GenericArgsRef;
-
 pub(crate) fn codegen_x86_llvm_intrinsic_call<'tcx>(
     fx: &mut FunctionCx<'_, '_, 'tcx>,
     intrinsic: &str,
diff --git a/src/intrinsics/mod.rs b/src/intrinsics/mod.rs
index 36e9ba9c7f8..e94091e6a25 100644
--- a/src/intrinsics/mod.rs
+++ b/src/intrinsics/mod.rs
@@ -18,17 +18,16 @@ mod llvm_aarch64;
 mod llvm_x86;
 mod simd;
 
-pub(crate) use cpuid::codegen_cpuid_call;
-pub(crate) use llvm::codegen_llvm_intrinsic_call;
-
+use cranelift_codegen::ir::AtomicRmwOp;
 use rustc_middle::ty;
 use rustc_middle::ty::layout::{HasParamEnv, ValidityRequirement};
 use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths};
 use rustc_middle::ty::GenericArgsRef;
 use rustc_span::symbol::{kw, sym, Symbol};
 
+pub(crate) use self::cpuid::codegen_cpuid_call;
+pub(crate) use self::llvm::codegen_llvm_intrinsic_call;
 use crate::prelude::*;
-use cranelift_codegen::ir::AtomicRmwOp;
 
 fn bug_on_incorrect_arg_count(intrinsic: impl std::fmt::Display) -> ! {
     bug!("wrong number of args for intrinsic {}", intrinsic);
diff --git a/src/lib.rs b/src/lib.rs
index d01ded8abaa..81f17136304 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -29,6 +29,8 @@ use std::any::Any;
 use std::cell::{Cell, RefCell};
 use std::sync::Arc;
 
+use cranelift_codegen::isa::TargetIsa;
+use cranelift_codegen::settings::{self, Configurable};
 use rustc_codegen_ssa::traits::CodegenBackend;
 use rustc_codegen_ssa::CodegenResults;
 use rustc_data_structures::profiling::SelfProfilerRef;
@@ -39,9 +41,6 @@ use rustc_session::config::OutputFilenames;
 use rustc_session::Session;
 use rustc_span::Symbol;
 
-use cranelift_codegen::isa::TargetIsa;
-use cranelift_codegen::settings::{self, Configurable};
-
 pub use crate::config::*;
 use crate::prelude::*;
 
@@ -76,22 +75,6 @@ mod value_and_place;
 mod vtable;
 
 mod prelude {
-    pub(crate) use rustc_span::{FileNameDisplayPreference, Span};
-
-    pub(crate) use rustc_hir::def_id::{DefId, LOCAL_CRATE};
-    pub(crate) use rustc_middle::bug;
-    pub(crate) use rustc_middle::mir::{self, *};
-    pub(crate) use rustc_middle::ty::layout::{self, LayoutOf, TyAndLayout};
-    pub(crate) use rustc_middle::ty::{
-        self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, TypeAndMut,
-        TypeFoldable, TypeVisitableExt, UintTy,
-    };
-    pub(crate) use rustc_target::abi::{Abi, FieldIdx, Scalar, Size, VariantIdx, FIRST_VARIANT};
-
-    pub(crate) use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
-
-    pub(crate) use rustc_index::Idx;
-
     pub(crate) use cranelift_codegen::ir::condcodes::{FloatCC, IntCC};
     pub(crate) use cranelift_codegen::ir::function::Function;
     pub(crate) use cranelift_codegen::ir::types;
@@ -103,6 +86,18 @@ mod prelude {
     pub(crate) use cranelift_codegen::Context;
     pub(crate) use cranelift_frontend::{FunctionBuilder, FunctionBuilderContext, Variable};
     pub(crate) use cranelift_module::{self, DataDescription, FuncId, Linkage, Module};
+    pub(crate) use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
+    pub(crate) use rustc_hir::def_id::{DefId, LOCAL_CRATE};
+    pub(crate) use rustc_index::Idx;
+    pub(crate) use rustc_middle::bug;
+    pub(crate) use rustc_middle::mir::{self, *};
+    pub(crate) use rustc_middle::ty::layout::{self, LayoutOf, TyAndLayout};
+    pub(crate) use rustc_middle::ty::{
+        self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, TypeAndMut,
+        TypeFoldable, TypeVisitableExt, UintTy,
+    };
+    pub(crate) use rustc_span::{FileNameDisplayPreference, Span};
+    pub(crate) use rustc_target::abi::{Abi, FieldIdx, Scalar, Size, VariantIdx, FIRST_VARIANT};
 
     pub(crate) use crate::abi::*;
     pub(crate) use crate::base::{codegen_operand, codegen_place};
diff --git a/src/pointer.rs b/src/pointer.rs
index b60e56720ed..11ac6b94678 100644
--- a/src/pointer.rs
+++ b/src/pointer.rs
@@ -1,11 +1,10 @@
 //! Defines [`Pointer`] which is used to improve the quality of the generated clif ir for pointer
 //! operations.
 
-use crate::prelude::*;
-
+use cranelift_codegen::ir::immediates::Offset32;
 use rustc_target::abi::Align;
 
-use cranelift_codegen::ir::immediates::Offset32;
+use crate::prelude::*;
 
 /// A pointer pointing either to a certain address, a certain stack slot or nothing.
 #[derive(Copy, Clone, Debug)]
diff --git a/src/pretty_clif.rs b/src/pretty_clif.rs
index 0ead50c34ea..9919ebd6706 100644
--- a/src/pretty_clif.rs
+++ b/src/pretty_clif.rs
@@ -63,7 +63,6 @@ use cranelift_codegen::{
     ir::entities::AnyEntity,
     write::{FuncWriter, PlainWriter},
 };
-
 use rustc_middle::ty::layout::FnAbiOf;
 use rustc_session::config::{OutputFilenames, OutputType};
 
diff --git a/src/value_and_place.rs b/src/value_and_place.rs
index ff95141ce90..868b181e54b 100644
--- a/src/value_and_place.rs
+++ b/src/value_and_place.rs
@@ -1,11 +1,10 @@
 //! Definition of [`CValue`] and [`CPlace`]
 
-use crate::prelude::*;
-
-use rustc_middle::ty::FnSig;
-
 use cranelift_codegen::entity::EntityRef;
 use cranelift_codegen::ir::immediates::Offset32;
+use rustc_middle::ty::FnSig;
+
+use crate::prelude::*;
 
 fn codegen_field<'tcx>(
     fx: &mut FunctionCx<'_, '_, 'tcx>,