Remove #[macro_use] extern crate tracing from rustc_codegen_llvm.

Author: nnethercote

compiler/rustc_codegen_llvm/src/asm.rs

@@ -16,6 +16,7 @@ use rustc_middle::{bug, span_bug, ty::Instance};
 use rustc_span::{Pos, Span};
 use rustc_target::abi::*;
 use rustc_target::asm::*;
+use tracing::debug;
 
 use libc::{c_char, c_uint};
 use smallvec::SmallVec;

compiler/rustc_codegen_llvm/src/back/archive.rs

@@ -18,6 +18,7 @@ use rustc_codegen_ssa::back::archive::{
     get_native_object_symbols, try_extract_macho_fat_archive, ArArchiveBuilder,
     ArchiveBuildFailure, ArchiveBuilder, ArchiveBuilderBuilder, UnknownArchiveKind,
 };
+use tracing::trace;
 
 use rustc_session::cstore::DllImport;
 use rustc_session::Session;

compiler/rustc_codegen_llvm/src/back/lto.rs

@@ -20,6 +20,7 @@ use rustc_middle::bug;
 use rustc_middle::dep_graph::WorkProduct;
 use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel};
 use rustc_session::config::{self, CrateType, Lto};
+use tracing::{debug, info};
 
 use std::collections::BTreeMap;
 use std::ffi::{CStr, CString};

compiler/rustc_codegen_llvm/src/back/write.rs

@@ -35,6 +35,7 @@ use rustc_session::Session;
 use rustc_span::symbol::sym;
 use rustc_span::InnerSpan;
 use rustc_target::spec::{CodeModel, RelocModel, SanitizerSet, SplitDebuginfo, TlsModel};
+use tracing::debug;
 
 use crate::llvm::diagnostic::OptimizationDiagnosticKind;
 use libc::{c_char, c_int, c_void, size_t};

compiler/rustc_codegen_llvm/src/builder.rs

@@ -30,6 +30,7 @@ use std::borrow::Cow;
 use std::iter;
 use std::ops::Deref;
 use std::ptr;
+use tracing::{debug, instrument};
 
 // All Builders must have an llfn associated with them
 #[must_use]

compiler/rustc_codegen_llvm/src/callee.rs

@@ -12,6 +12,7 @@ use crate::value::Value;
 
 use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt};
 use rustc_middle::ty::{self, Instance, TypeVisitableExt};
+use tracing::debug;
 
 /// Codegens a reference to a fn/method item, monomorphizing and
 /// inlining as it goes.

compiler/rustc_codegen_llvm/src/common.rs

@@ -19,6 +19,7 @@ use rustc_target::spec::Target;
 
 use libc::{c_char, c_uint};
 use std::fmt::Write;
+use tracing::debug;
 
 /*
 * A note on nomenclature of linking: "extern", "foreign", and "upcall".

compiler/rustc_codegen_llvm/src/consts.rs

@@ -25,6 +25,7 @@ use rustc_target::abi::{
     Align, AlignFromBytesError, HasDataLayout, Primitive, Scalar, Size, WrappingRange,
 };
 use std::ops::Range;
+use tracing::{debug, instrument, trace};
 
 pub fn const_alloc_to_llvm<'ll>(
     cx: &CodegenCx<'ll, '_>,

compiler/rustc_codegen_llvm/src/coverageinfo/map_data.rs

@@ -9,6 +9,7 @@ use rustc_middle::mir::coverage::{
 };
 use rustc_middle::ty::Instance;
 use rustc_span::Symbol;
+use tracing::{debug, instrument};
 
 /// Holds all of the coverage mapping data associated with a function instance,
 /// collected during traversal of `Coverage` statements in the function's MIR.

compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs

@@ -14,6 +14,7 @@ use rustc_middle::mir;
 use rustc_middle::ty::{self, TyCtxt};
 use rustc_span::def_id::DefIdSet;
 use rustc_span::Symbol;
+use tracing::debug;
 
 /// Generates and exports the Coverage Map.
 ///

compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs

@@ -17,6 +17,7 @@ use rustc_middle::mir::coverage::CoverageKind;
 use rustc_middle::ty::layout::HasTyCtxt;
 use rustc_middle::ty::Instance;
 use rustc_target::abi::{Align, Size};
+use tracing::{debug, instrument};
 
 use std::cell::RefCell;
 

compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs

@@ -41,6 +41,7 @@ use rustc_symbol_mangling::typeid_for_trait_ref;
 use rustc_target::abi::{Align, Size};
 use rustc_target::spec::DebuginfoKind;
 use smallvec::smallvec;
+use tracing::{debug, instrument};
 
 use libc::{c_char, c_longlong, c_uint};
 use std::borrow::Cow;

compiler/rustc_codegen_llvm/src/debuginfo/mod.rs

@@ -42,6 +42,7 @@ use std::cell::OnceCell;
 use std::cell::RefCell;
 use std::iter;
 use std::ops::Range;
+use tracing::debug;
 
 mod create_scope_map;
 pub mod gdb;

compiler/rustc_codegen_llvm/src/debuginfo/utils.rs

@@ -6,7 +6,7 @@ use super::CodegenUnitDebugContext;
 use rustc_hir::def_id::DefId;
 use rustc_middle::ty::layout::{HasParamEnv, LayoutOf};
 use rustc_middle::ty::{self, Ty};
-use trace;
+use tracing::trace;
 
 use crate::common::CodegenCx;
 use crate::llvm;

compiler/rustc_codegen_llvm/src/declare.rs

@@ -24,6 +24,7 @@ use rustc_data_structures::fx::FxIndexSet;
 use rustc_middle::ty::{Instance, Ty};
 use rustc_sanitizers::{cfi, kcfi};
 use smallvec::SmallVec;
+use tracing::debug;
 
 /// Declare a function.
 ///

compiler/rustc_codegen_llvm/src/intrinsic.rs

@@ -21,6 +21,7 @@ use rustc_middle::{bug, span_bug};
 use rustc_span::{sym, Span, Symbol};
 use rustc_target::abi::{self, Align, Float, HasDataLayout, Primitive, Size};
 use rustc_target::spec::{HasTargetSpec, PanicStrategy};
+use tracing::debug;
 
 use std::cmp::Ordering;
 

compiler/rustc_codegen_llvm/src/lib.rs

@@ -15,9 +15,6 @@
 #![feature(let_chains)]
 #![feature(impl_trait_in_assoc_type)]
 
-#[macro_use]
-extern crate tracing;
-
 use back::owned_target_machine::OwnedTargetMachine;
 use back::write::{create_informational_target_machine, create_target_machine};
 

compiler/rustc_codegen_llvm/src/mono_item.rs

@@ -13,6 +13,7 @@ use rustc_middle::ty::layout::{FnAbiOf, LayoutOf};
 use rustc_middle::ty::{self, Instance, TypeVisitableExt};
 use rustc_session::config::CrateType;
 use rustc_target::spec::RelocModel;
+use tracing::debug;
 
 impl<'tcx> PreDefineMethods<'tcx> for CodegenCx<'_, 'tcx> {
     fn predefine_static(

compiler/rustc_codegen_llvm/src/type_of.rs

@@ -8,6 +8,7 @@ use rustc_middle::ty::{self, Ty, TypeVisitableExt};
 use rustc_target::abi::{Abi, Align, FieldsShape};
 use rustc_target::abi::{Float, Int, Pointer};
 use rustc_target::abi::{Scalar, Size, Variants};
+use tracing::debug;
 
 use std::fmt::Write;