Rollup merge of #58546 - taiki-e:librustc_codegen_llvm-2018, r=Centril

librustc_codegen_llvm => 2018

Transitions `librustc_codegen_llvm` to Rust 2018; cc #58099

r? @Centril

Author: kennytm

src/librustc_codegen_llvm/Cargo.toml

@@ -2,6 +2,7 @@
 authors = ["The Rust Project Developers"]
 name = "rustc_codegen_llvm"
 version = "0.0.0"
+edition = "2018"
 
 [lib]
 name = "rustc_codegen_llvm"
@@ -10,7 +11,7 @@ crate-type = ["dylib"]
 test = false
 
 [dependencies]
-cc = "1.0.1"
+cc = "1.0.1" # Used to locate MSVC
 num_cpus = "1.0"
 rustc-demangle = "0.1.4"
 rustc_llvm = { path = "../librustc_llvm" }

src/librustc_codegen_llvm/abi.rs

@@ -1,12 +1,12 @@
-use llvm::{self, AttributePlace};
+use crate::llvm::{self, AttributePlace};
+use crate::builder::Builder;
+use crate::context::CodegenCx;
+use crate::type_::Type;
+use crate::type_of::{LayoutLlvmExt, PointerKind};
+use crate::value::Value;
 use rustc_codegen_ssa::MemFlags;
-use builder::Builder;
-use context::CodegenCx;
 use rustc_codegen_ssa::mir::place::PlaceRef;
 use rustc_codegen_ssa::mir::operand::OperandValue;
-use type_::Type;
-use type_of::{LayoutLlvmExt, PointerKind};
-use value::Value;
 use rustc_target::abi::call::ArgType;
 
 use rustc_codegen_ssa::traits::*;

src/librustc_codegen_llvm/allocator.rs

@@ -1,13 +1,13 @@
 use std::ffi::CString;
 
-use attributes;
+use crate::attributes;
 use libc::c_uint;
 use rustc::middle::allocator::AllocatorKind;
 use rustc::ty::TyCtxt;
 use rustc_allocator::{ALLOCATOR_METHODS, AllocatorTy};
 
-use ModuleLlvm;
-use llvm::{self, False, True};
+use crate::ModuleLlvm;
+use crate::llvm::{self, False, True};
 
 pub(crate) unsafe fn codegen(tcx: TyCtxt, mods: &ModuleLlvm, kind: AllocatorKind) {
     let llcx = &*mods.llcx;

src/librustc_codegen_llvm/asm.rs

@@ -1,8 +1,8 @@
-use llvm;
-use context::CodegenCx;
-use type_of::LayoutLlvmExt;
-use builder::Builder;
-use value::Value;
+use crate::llvm;
+use crate::context::CodegenCx;
+use crate::type_of::LayoutLlvmExt;
+use crate::builder::Builder;
+use crate::value::Value;
 
 use rustc::hir;
 use rustc_codegen_ssa::traits::*;

src/librustc_codegen_llvm/attributes.rs

@@ -15,15 +15,15 @@ use rustc_data_structures::fx::FxHashMap;
 use rustc_target::spec::PanicStrategy;
 use rustc_codegen_ssa::traits::*;
 
-use abi::Abi;
-use attributes;
-use llvm::{self, Attribute};
-use llvm::AttributePlace::Function;
-use llvm_util;
+use crate::abi::Abi;
+use crate::attributes;
+use crate::llvm::{self, Attribute};
+use crate::llvm::AttributePlace::Function;
+use crate::llvm_util;
 pub use syntax::attr::{self, InlineAttr, OptimizeAttr};
 
-use context::CodegenCx;
-use value::Value;
+use crate::context::CodegenCx;
+use crate::value::Value;
 
 /// Mark LLVM function to use provided inline heuristic.
 #[inline]

src/librustc_codegen_llvm/back/archive.rs

@@ -7,12 +7,11 @@ use std::path::{Path, PathBuf};
 use std::ptr;
 use std::str;
 
-use back::bytecode::RLIB_BYTECODE_EXTENSION;
+use crate::back::bytecode::RLIB_BYTECODE_EXTENSION;
+use crate::llvm::archive_ro::{ArchiveRO, Child};
+use crate::llvm::{self, ArchiveKind};
+use crate::metadata::METADATA_FILENAME;
 use rustc_codegen_ssa::back::archive::find_library;
-use libc;
-use llvm::archive_ro::{ArchiveRO, Child};
-use llvm::{self, ArchiveKind};
-use metadata::METADATA_FILENAME;
 use rustc::session::Session;
 
 pub struct ArchiveConfig<'a> {

src/librustc_codegen_llvm/back/link.rs

@@ -1,13 +1,15 @@
-use back::wasm;
 use super::archive::{ArchiveBuilder, ArchiveConfig};
 use super::bytecode::RLIB_BYTECODE_EXTENSION;
+use super::rpath::RPathConfig;
+use super::rpath;
+use crate::back::wasm;
+use crate::metadata::METADATA_FILENAME;
+use crate::context::get_reloc_model;
+use crate::llvm;
 use rustc_codegen_ssa::back::linker::Linker;
 use rustc_codegen_ssa::back::link::{remove, ignored_for_lto, each_linked_rlib, linker_and_flavor,
     get_linker};
 use rustc_codegen_ssa::back::command::Command;
-use super::rpath::RPathConfig;
-use super::rpath;
-use metadata::METADATA_FILENAME;
 use rustc::session::config::{self, DebugInfo, OutputFilenames, OutputType, PrintRequest};
 use rustc::session::config::{RUST_CGU_EXT, Lto, Sanitizer};
 use rustc::session::filesearch;
@@ -22,8 +24,6 @@ use rustc::hir::def_id::CrateNum;
 use tempfile::{Builder as TempFileBuilder, TempDir};
 use rustc_target::spec::{PanicStrategy, RelroLevel, LinkerFlavor};
 use rustc_data_structures::fx::FxHashSet;
-use context::get_reloc_model;
-use llvm;
 
 use std::ascii;
 use std::char;
@@ -523,7 +523,7 @@ fn link_natively(sess: &Session,
     }
 
     {
-        let target_cpu = ::llvm_util::target_cpu(sess);
+        let target_cpu = crate::llvm_util::target_cpu(sess);
         let mut linker = codegen_results.linker_info.to_linker(cmd, &sess, flavor, target_cpu);
         link_args(&mut *linker, flavor, sess, crate_type, tmpdir,
                   out_filename, codegen_results);

src/librustc_codegen_llvm/back/lto.rs

@@ -1,25 +1,24 @@
-use back::bytecode::{DecodedBytecode, RLIB_BYTECODE_EXTENSION};
+use crate::back::bytecode::{DecodedBytecode, RLIB_BYTECODE_EXTENSION};
+use crate::back::write::{self, DiagnosticHandlers, with_llvm_pmb, save_temp_bitcode,
+    to_llvm_opt_settings};
+use crate::llvm::archive_ro::ArchiveRO;
+use crate::llvm::{self, True, False};
+use crate::time_graph::Timeline;
+use crate::{ModuleLlvm, LlvmCodegenBackend};
 use rustc_codegen_ssa::back::symbol_export;
 use rustc_codegen_ssa::back::write::{ModuleConfig, CodegenContext, FatLTOInput};
 use rustc_codegen_ssa::back::lto::{SerializedModule, LtoModuleCodegen, ThinShared, ThinModule};
 use rustc_codegen_ssa::traits::*;
-use back::write::{self, DiagnosticHandlers, with_llvm_pmb, save_temp_bitcode, to_llvm_opt_settings};
 use errors::{FatalError, Handler};
-use llvm::archive_ro::ArchiveRO;
-use llvm::{self, True, False};
 use rustc::dep_graph::WorkProduct;
 use rustc::dep_graph::cgu_reuse_tracker::CguReuse;
 use rustc::hir::def_id::LOCAL_CRATE;
 use rustc::middle::exported_symbols::SymbolExportLevel;
 use rustc::session::config::{self, Lto};
 use rustc::util::common::time_ext;
 use rustc_data_structures::fx::FxHashMap;
-use time_graph::Timeline;
-use {ModuleLlvm, LlvmCodegenBackend};
 use rustc_codegen_ssa::{ModuleCodegen, ModuleKind};
 
-use libc;
-
 use std::ffi::{CStr, CString};
 use std::ptr;
 use std::slice;

src/librustc_codegen_llvm/back/write.rs

@@ -1,28 +1,27 @@
-use attributes;
-use back::bytecode::{self, RLIB_BYTECODE_EXTENSION};
-use back::lto::ThinBuffer;
+use crate::attributes;
+use crate::back::bytecode::{self, RLIB_BYTECODE_EXTENSION};
+use crate::back::lto::ThinBuffer;
+use crate::base;
+use crate::consts;
+use crate::time_graph::Timeline;
+use crate::llvm::{self, DiagnosticInfo, PassManager, SMDiagnostic};
+use crate::llvm_util;
+use crate::ModuleLlvm;
+use crate::type_::Type;
+use crate::context::{is_pie_binary, get_reloc_model};
+use crate::common;
+use crate::LlvmCodegenBackend;
 use rustc_codegen_ssa::back::write::{CodegenContext, ModuleConfig, run_assembler};
 use rustc_codegen_ssa::traits::*;
-use base;
-use consts;
 use rustc::hir::def_id::LOCAL_CRATE;
 use rustc::session::config::{self, OutputType, Passes, Lto};
 use rustc::session::Session;
 use rustc::ty::TyCtxt;
-use time_graph::Timeline;
-use llvm::{self, DiagnosticInfo, PassManager, SMDiagnostic};
-use llvm_util;
-use ModuleLlvm;
 use rustc_codegen_ssa::{ModuleCodegen, CompiledModule};
 use rustc::util::common::time_ext;
 use rustc_fs_util::{path_to_c_string, link_or_copy};
 use rustc_data_structures::small_c_str::SmallCStr;
-use errors::{self, Handler, FatalError};
-use type_::Type;
-use context::{is_pie_binary, get_reloc_model};
-use common;
-use LlvmCodegenBackend;
-use rustc_demangle;
+use errors::{Handler, FatalError};
 
 use std::ffi::{CString, CStr};
 use std::fs;

src/librustc_codegen_llvm/base.rs

@@ -18,18 +18,18 @@ use rustc_codegen_ssa::{ModuleCodegen, ModuleKind};
 use rustc_codegen_ssa::base::maybe_create_entry_wrapper;
 use super::LlvmCodegenBackend;
 
-use llvm;
-use metadata;
+use crate::llvm;
+use crate::metadata;
+use crate::builder::Builder;
+use crate::common;
+use crate::context::CodegenCx;
+use crate::monomorphize::partitioning::CodegenUnitExt;
 use rustc::dep_graph;
 use rustc::mir::mono::{Linkage, Visibility, Stats};
 use rustc::middle::cstore::{EncodedMetadata};
 use rustc::ty::TyCtxt;
 use rustc::middle::exported_symbols;
 use rustc::session::config::{self, DebugInfo};
-use builder::Builder;
-use common;
-use context::CodegenCx;
-use monomorphize::partitioning::CodegenUnitExt;
 use rustc_codegen_ssa::mono_item::MonoItemExt;
 use rustc_data_structures::small_c_str::SmallCStr;
 
@@ -41,7 +41,7 @@ use std::time::Instant;
 use syntax_pos::symbol::InternedString;
 use rustc::hir::CodegenFnAttrs;
 
-use value::Value;
+use crate::value::Value;
 
 
 pub fn write_metadata<'a, 'gcx>(