New upstream version 1.57.0+dfsg1

[rustc.git] / compiler / rustc_mir / src / monomorphize / util.rs

diff --git a/compiler/rustc_mir/src/monomorphize/util.rs b/compiler/rustc_mir/src/monomorphize/util.rs
deleted file mode 100644 (file)
index 799b4e1..0000000
--- a/compiler/rustc_mir/src/monomorphize/util.rs
+++ /dev/null
@@ -1,73 +0,0 @@
-use rustc_middle::ty::{self, ClosureSizeProfileData, Instance, TyCtxt};
-use std::fs::OpenOptions;
-use std::io::prelude::*;
-
-/// For a given closure, writes out the data for the profiling the impact of RFC 2229 on
-/// closure size into a CSV.
-///
-/// During the same compile all closures dump the information in the same file
-/// "closure_profile_XXXXX.csv", which is created in the directory where the compiler is invoked.
-crate fn dump_closure_profile(tcx: TyCtxt<'tcx>, closure_instance: Instance<'tcx>) {
-    let mut file = if let Ok(file) = OpenOptions::new()
-        .create(true)
-        .append(true)
-        .open(&format!("closure_profile_{}.csv", std::process::id()))
-    {
-        file
-    } else {
-        eprintln!("Cound't open file for writing closure profile");
-        return;
-    };
-
-    let closure_def_id = closure_instance.def_id();
-    let typeck_results = tcx.typeck(closure_def_id.expect_local());
-
-    if typeck_results.closure_size_eval.contains_key(&closure_def_id) {
-        let param_env = ty::ParamEnv::reveal_all();
-
-        let ClosureSizeProfileData { before_feature_tys, after_feature_tys } =
-            typeck_results.closure_size_eval[&closure_def_id];
-
-        let before_feature_tys = tcx.subst_and_normalize_erasing_regions(
-            closure_instance.substs,
-            param_env,
-            before_feature_tys,
-        );
-        let after_feature_tys = tcx.subst_and_normalize_erasing_regions(
-            closure_instance.substs,
-            param_env,
-            after_feature_tys,
-        );
-
-        let new_size = tcx
-            .layout_of(param_env.and(after_feature_tys))
-            .map(|l| format!("{:?}", l.size.bytes()))
-            .unwrap_or_else(|e| format!("Failed {:?}", e));
-
-        let old_size = tcx
-            .layout_of(param_env.and(before_feature_tys))
-            .map(|l| format!("{:?}", l.size.bytes()))
-            .unwrap_or_else(|e| format!("Failed {:?}", e));
-
-        let closure_hir_id = tcx.hir().local_def_id_to_hir_id(closure_def_id.expect_local());
-        let closure_span = tcx.hir().span(closure_hir_id);
-        let src_file = tcx.sess.source_map().span_to_filename(closure_span);
-        let line_nos = tcx
-            .sess
-            .source_map()
-            .span_to_lines(closure_span)
-            .map(|l| format!("{:?} {:?}", l.lines.first(), l.lines.last()))
-            .unwrap_or_else(|e| format!("{:?}", e));
-
-        if let Err(e) = writeln!(
-            file,
-            "{}, {}, {}, {:?}",
-            old_size,
-            new_size,
-            src_file.prefer_local(),
-            line_nos
-        ) {
-            eprintln!("Error writting to file {}", e.to_string())
-        }
-    }
-}