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Auto merge of #111641 - michaelwoerister:debugger-visualizer-fixes, r=cjgillot

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Fix dependency tracking for debugger visualizers

This PR fixes dependency tracking for debugger visualizer files by changing the `debugger_visualizers` query to an `eval_always` query that scans the AST while it is still available. This way the set of visualizer files is already available when dep-info is emitted. Since the query is turned into an `eval_always` query, dependency tracking will now reliably detect changes to the visualizer script files themselves.

TODO:
 - [x] perf.rlo
 - [x] Needs a bit more documentation in some places
 - [x] Needs regression test for the incr. comp. case

Fixes https://github.com/rust-lang/rust/issues/111226
Fixes https://github.com/rust-lang/rust/issues/111227
Fixes https://github.com/rust-lang/rust/issues/111295

r? `@wesleywiser`
cc `@gibbyfree`
This commit is contained in:
bors 2023-05-19 11:30:44 +00:00
commit 17a681000b
27 changed files with 246 additions and 145 deletions
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2
compiler/rustc_codegen_ssa/src/lib.rs
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@ -28,6 +28,7 @@ use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage};
use rustc_fluent_macro::fluent_messages;
use rustc_hir::def_id::CrateNum;
use rustc_middle::dep_graph::WorkProduct;
use rustc_middle::middle::debugger_visualizer::DebuggerVisualizerFile;
use rustc_middle::middle::dependency_format::Dependencies;
use rustc_middle::middle::exported_symbols::SymbolExportKind;
use rustc_middle::query::{ExternProviders, Providers};
@ -38,7 +39,6 @@ use rustc_session::cstore::{self, CrateSource};
use rustc_session::utils::NativeLibKind;
use rustc_session::Session;
use rustc_span::symbol::Symbol;
use rustc_span::DebuggerVisualizerFile;
use std::collections::BTreeSet;
use std::io;
use std::path::{Path, PathBuf};