From 50932ea1dae96a15e8f457e4e038d0e5218d2cad Mon Sep 17 00:00:00 2001
From: Andreas Jonson <andjo403@users.noreply.github.com>
Date: Sun, 6 Oct 2019 23:58:07 +0200
Subject: [PATCH] add more info in debug traces for gcu merging
---
src/librustc_mir/monomorphize/partitioning.rs | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/librustc_mir/monomorphize/partitioning.rs b/src/librustc_mir/monomorphize/partitioning.rs
index c193911247e2b..61868b24c0b8a 100644
--- a/src/librustc_mir/monomorphize/partitioning.rs
+++ b/src/librustc_mir/monomorphize/partitioning.rs
@@ -494,6 +494,9 @@ fn merge_codegen_units<'tcx>(
for (k, v) in smallest.items_mut().drain() {
second_smallest.items_mut().insert(k, v);
}
+ debug!("CodegenUnit {} merged in to CodegenUnit {}",
+ smallest.name(),
+ second_smallest.name());
}
let cgu_name_builder = &mut CodegenUnitNameBuilder::new(tcx);
@@ -774,7 +777,7 @@ where
if cfg!(debug_assertions) {
debug!("{}", label);
for cgu in cgus {
- debug!("CodegenUnit {}:", cgu.name());
+ debug!("CodegenUnit {} estimated size {} :", cgu.name(), cgu.size_estimate());
for (mono_item, linkage) in cgu.items() {
let symbol_name = mono_item.symbol_name(tcx).name.as_str();
@@ -782,10 +785,11 @@ where
let symbol_hash = symbol_hash_start.map(|i| &symbol_name[i ..])
.unwrap_or("<no hash>");
- debug!(" - {} [{:?}] [{}]",
+ debug!(" - {} [{:?}] [{}] estimated size {}",
mono_item.to_string(tcx, true),
linkage,
- symbol_hash);
+ symbol_hash,
+ mono_item.size_estimate(tcx));
}
debug!("");