Auto merge of #67886 - Centril:rustc_hir_canon_imports, r=nagisa

Nix `rustc_hir` reexports in rustc::hir

r? @Zoxc cc @Mark-Simulacrum

src/librustc_codegen_llvm/Cargo.toml

@@ -23,6 +23,7 @@ rustc_data_structures = { path = "../librustc_data_structures" }
 rustc_errors = { path = "../librustc_errors" }
 rustc_feature = { path = "../librustc_feature" }
 rustc_fs_util = { path = "../librustc_fs_util" }
+rustc_hir = { path = "../librustc_hir" }
 rustc_incremental = { path = "../librustc_incremental" }
 rustc_index = { path = "../librustc_index" }
 rustc_llvm = { path = "../librustc_llvm" }

src/librustc_codegen_llvm/asm.rs

@@ -4,10 +4,10 @@ use crate::llvm;
 use crate::type_of::LayoutLlvmExt;
 use crate::value::Value;
 
-use rustc::hir;
 use rustc_codegen_ssa::mir::operand::OperandValue;
 use rustc_codegen_ssa::mir::place::PlaceRef;
 use rustc_codegen_ssa::traits::*;
+use rustc_hir as hir;
 use rustc_span::Span;
 
 use libc::{c_char, c_uint};

src/librustc_codegen_llvm/attributes.rs

@@ -2,7 +2,6 @@
 
 use std::ffi::CString;
 
-use rustc::hir::def_id::{DefId, LOCAL_CRATE};
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::session::config::{OptLevel, Sanitizer};
 use rustc::session::Session;
@@ -13,6 +12,7 @@ use rustc_codegen_ssa::traits::*;
 use rustc_data_structures::const_cstr;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
+use rustc_hir::def_id::{DefId, LOCAL_CRATE};
 use rustc_target::abi::call::Conv;
 use rustc_target::spec::PanicStrategy;
 

src/librustc_codegen_llvm/back/lto.rs

@@ -8,7 +8,6 @@ use crate::{LlvmCodegenBackend, ModuleLlvm};
 use log::{debug, info};
 use rustc::bug;
 use rustc::dep_graph::WorkProduct;
-use rustc::hir::def_id::LOCAL_CRATE;
 use rustc::middle::exported_symbols::SymbolExportLevel;
 use rustc::session::config::{self, Lto};
 use rustc_codegen_ssa::back::lto::{LtoModuleCodegen, SerializedModule, ThinModule, ThinShared};
@@ -18,6 +17,7 @@ use rustc_codegen_ssa::traits::*;
 use rustc_codegen_ssa::{ModuleCodegen, ModuleKind, RLIB_BYTECODE_EXTENSION};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::{FatalError, Handler};
+use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_session::cgu_reuse_tracker::CguReuse;
 
 use std::ffi::{CStr, CString};

src/librustc_codegen_llvm/back/write.rs

@@ -12,7 +12,6 @@ use crate::LlvmCodegenBackend;
 use crate::ModuleLlvm;
 use log::debug;
 use rustc::bug;
-use rustc::hir::def_id::LOCAL_CRATE;
 use rustc::session::config::{self, Lto, OutputType, Passes, Sanitizer, SwitchWithOptPath};
 use rustc::session::Session;
 use rustc::ty::TyCtxt;
@@ -22,6 +21,7 @@ use rustc_codegen_ssa::{CompiledModule, ModuleCodegen, RLIB_BYTECODE_EXTENSION};
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_errors::{FatalError, Handler};
 use rustc_fs_util::{link_or_copy, path_to_c_string};
+use rustc_hir::def_id::LOCAL_CRATE;
 
 use libc::{c_char, c_int, c_uint, c_void, size_t};
 use std::ffi::CString;

src/librustc_codegen_llvm/builder.rs

@@ -7,7 +7,6 @@ use crate::type_of::LayoutLlvmExt;
 use crate::value::Value;
 use libc::{c_char, c_uint};
 use log::debug;
-use rustc::hir::def_id::DefId;
 use rustc::session::config;
 use rustc::ty::layout::{self, Align, Size, TyLayout};
 use rustc::ty::{self, Ty, TyCtxt};
@@ -19,6 +18,7 @@ use rustc_codegen_ssa::traits::*;
 use rustc_codegen_ssa::MemFlags;
 use rustc_data_structures::const_cstr;
 use rustc_data_structures::small_c_str::SmallCStr;
+use rustc_hir::def_id::DefId;
 use rustc_target::spec::{HasTargetSpec, Target};
 use std::borrow::Cow;
 use std::ffi::CStr;

src/librustc_codegen_llvm/consts.rs

@@ -7,8 +7,6 @@ use crate::type_of::LayoutLlvmExt;
 use crate::value::Value;
 use libc::c_uint;
 use log::debug;
-use rustc::hir::def_id::DefId;
-use rustc::hir::{self, Node};
 use rustc::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
 use rustc::mir::interpret::{read_target_uint, Allocation, ConstValue, ErrorHandled, Pointer};
 use rustc::mir::mono::MonoItem;
@@ -16,6 +14,9 @@ use rustc::ty::layout::{self, Align, LayoutOf, Size};
 use rustc::ty::{self, Instance, Ty};
 use rustc::{bug, span_bug};
 use rustc_codegen_ssa::traits::*;
+use rustc_hir as hir;
+use rustc_hir::def_id::DefId;
+use rustc_hir::Node;
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::Span;
 use rustc_target::abi::HasDataLayout;

src/librustc_codegen_llvm/context.rs

@@ -5,7 +5,6 @@ use crate::llvm;
 use crate::llvm_util;
 use crate::value::Value;
 use rustc::dep_graph::DepGraphSafe;
-use rustc::hir;
 
 use crate::type_::Type;
 use rustc_codegen_ssa::traits::*;
@@ -24,6 +23,7 @@ use rustc_data_structures::base_n;
 use rustc_data_structures::const_cstr;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
+use rustc_hir::Unsafety;
 use rustc_target::spec::{HasTargetSpec, Target};
 
 use crate::abi::Abi;
@@ -415,7 +415,7 @@ impl MiscMethods<'tcx> for CodegenCx<'ll, 'tcx> {
             iter::once(tcx.mk_mut_ptr(tcx.types.u8)),
             tcx.types.never,
             false,
-            hir::Unsafety::Unsafe,
+            Unsafety::Unsafe,
             Abi::C,
         ));
 

src/librustc_codegen_llvm/debuginfo/metadata.rs

@@ -20,8 +20,6 @@ use crate::llvm_util;
 use crate::value::Value;
 
 use log::debug;
-use rustc::hir::def::CtorKind;
-use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc::ich::NodeIdHashingMode;
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::mir::interpret::truncate;
@@ -41,6 +39,8 @@ use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_fs_util::path_to_c_string;
+use rustc_hir::def::CtorKind;
+use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc_index::vec::{Idx, IndexVec};
 use rustc_span::symbol::{Interner, Symbol};
 use rustc_span::{self, FileName, Span};

src/librustc_codegen_llvm/debuginfo/mod.rs

@@ -13,9 +13,9 @@ use crate::llvm;
 use crate::llvm::debuginfo::{
     DIArray, DIBuilder, DIFile, DIFlags, DILexicalBlock, DISPFlags, DIScope, DIType,
 };
-use rustc::hir::def_id::{CrateNum, DefId, DefIdMap, LOCAL_CRATE};
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::ty::subst::{GenericArgKind, SubstsRef};
+use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LOCAL_CRATE};
 
 use crate::abi::FnAbi;
 use crate::builder::Builder;

src/librustc_codegen_llvm/debuginfo/namespace.rs

@@ -7,8 +7,8 @@ use rustc::ty::{self, Instance};
 use crate::common::CodegenCx;
 use crate::llvm;
 use crate::llvm::debuginfo::DIScope;
-use rustc::hir::def_id::DefId;
 use rustc::hir::map::DefPathData;
+use rustc_hir::def_id::DefId;
 
 use rustc_data_structures::small_c_str::SmallCStr;
 

src/librustc_codegen_llvm/debuginfo/utils.rs

@@ -3,8 +3,8 @@
 use super::namespace::item_namespace;
 use super::CrateDebugContext;
 
-use rustc::hir::def_id::DefId;
 use rustc::ty::DefIdTree;
+use rustc_hir::def_id::DefId;
 
 use crate::common::CodegenCx;
 use crate::llvm;

src/librustc_codegen_llvm/intrinsic.rs

@@ -7,7 +7,6 @@ use crate::type_::Type;
 use crate::type_of::LayoutLlvmExt;
 use crate::va_arg::emit_va_arg;
 use crate::value::Value;
-use rustc::hir;
 use rustc::ty::layout::{self, FnAbiExt, HasTyCtxt, LayoutOf, Primitive};
 use rustc::ty::{self, Ty};
 use rustc::{bug, span_bug};
@@ -17,6 +16,7 @@ use rustc_codegen_ssa::glue;
 use rustc_codegen_ssa::mir::operand::{OperandRef, OperandValue};
 use rustc_codegen_ssa::mir::place::PlaceRef;
 use rustc_codegen_ssa::MemFlags;
+use rustc_hir as hir;
 use rustc_target::abi::HasDataLayout;
 use syntax::ast;
 

src/librustc_codegen_llvm/mono_item.rs

@@ -5,11 +5,11 @@ use crate::context::CodegenCx;
 use crate::llvm;
 use crate::type_of::LayoutLlvmExt;
 use log::debug;
-use rustc::hir::def_id::{DefId, LOCAL_CRATE};
 use rustc::mir::mono::{Linkage, Visibility};
 use rustc::ty::layout::{FnAbiExt, LayoutOf};
 use rustc::ty::{Instance, TypeFoldable};
 use rustc_codegen_ssa::traits::*;
+use rustc_hir::def_id::{DefId, LOCAL_CRATE};
 
 pub use rustc::mir::mono::MonoItem;