Rename mir_cfg.rs to emit_tir.rs.

The old name was a throwback to when we though we would simply serialise
MIR, instead of designing our own tracing byte-code.

Author: vext01

src/librustc_interface/passes.rs

@@ -46,7 +46,7 @@ use syntax::symbol::Symbol;
 use syntax::feature_gate::AttributeType;
 use syntax_pos::{FileName, hygiene};
 use syntax_ext;
-use rustc_yk_sections::mir_cfg::{generate_tir, TirMode};
+use rustc_yk_sections::emit_tir::{generate_tir, TirMode};
 use rustc_codegen_utils::link::out_filename;
 use rustc::util::nodemap::DefIdSet;
 

src/librustc_yk_sections/mir_cfg.rs renamed to src/librustc_yk_sections/emit_tir.rs

@@ -16,4 +16,4 @@ extern crate ykpack;
 extern crate rustc_data_structures;
 #[macro_use] extern crate log;
 
-pub mod mir_cfg;
+pub mod emit_tir;