Move time_graph.rs to rustc/util

src/librustc/lib.rs

@@ -162,6 +162,7 @@ pub mod util {
     pub mod ppaux;
     pub mod nodemap;
     pub mod fs;
+    pub mod time_graph;
 }
 
 // A private module so that macro-expanded idents like

src/librustc_codegen_llvm/lib.rs

@@ -76,10 +76,10 @@
 use rustc::session::{Session, CompileIncomplete};
 use rustc::session::config::{OutputFilenames, OutputType, PrintRequest};
 use rustc::ty::{self, TyCtxt};
+use rustc::util::time_graph;
 use rustc::util::nodemap::{FxHashSet, FxHashMap};
 use rustc_mir::monomorphize;
 use rustc_codegen_utils::codegen_backend::CodegenBackend;
-use rustc_codegen_utils::time_graph;
 
 mod diagnostics;
 

src/librustc_codegen_utils/lib.rs

@@ -44,7 +44,6 @@
 pub mod codegen_backend;
 pub mod symbol_names;
 pub mod symbol_names_test;
-pub mod time_graph;
 pub mod llvm_target_features;
 
 /// check for the #[rustc_error] annotation, which forces an