diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_mir_dataflow/src/framework/engine.rs | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/compiler/rustc_mir_dataflow/src/framework/engine.rs b/compiler/rustc_mir_dataflow/src/framework/engine.rs index 4bdfa35fc70..c755d7588c2 100644 --- a/compiler/rustc_mir_dataflow/src/framework/engine.rs +++ b/compiler/rustc_mir_dataflow/src/framework/engine.rs @@ -287,9 +287,11 @@ where let mut results = Results { analysis, entry_sets, _marker: PhantomData }; - let res = write_graphviz_results(tcx, body, &mut results, pass_name); - if let Err(e) = res { - error!("Failed to write graphviz dataflow results: {}", e); + if tcx.sess.opts.unstable_opts.dump_mir_dataflow { + let res = write_graphviz_results(tcx, &body, &mut results, pass_name); + if let Err(e) = res { + error!("Failed to write graphviz dataflow results: {}", e); + } } results @@ -299,7 +301,7 @@ where // Graphviz /// Writes a DOT file containing the results of a dataflow analysis if the user requested it via -/// `rustc_mir` attributes. +/// `rustc_mir` attributes and `-Z dump-mir-dataflow`. fn write_graphviz_results<'tcx, A>( tcx: TyCtxt<'tcx>, body: &mir::Body<'tcx>, @@ -328,9 +330,7 @@ where io::BufWriter::new(fs::File::create(&path)?) } - None if tcx.sess.opts.unstable_opts.dump_mir_dataflow - && dump_enabled(tcx, A::NAME, def_id) => - { + None if dump_enabled(tcx, A::NAME, def_id) => { create_dump_file(tcx, ".dot", false, A::NAME, &pass_name.unwrap_or("-----"), body)? } |