Auto merge of #101841 - nnethercote:rm-save-analysis, r=Mark-Simulacrum

Remove save-analysis.

Most tests involving save-analysis were removed, but I kept a few where the `-Zsave-analysis` was an add-on to the main thing being tested, rather than the main thing being tested.

Closes #43606

Cargo.lock

@@ -3495,25 +3495,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
-name = "rls-data"
-version = "0.19.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a58135eb039f3a3279a33779192f0ee78b56f57ae636e25cec83530e41debb99"
-dependencies = [
- "rls-span",
- "serde",
-]
-
-[[package]]
-name = "rls-span"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0eea58478fc06e15f71b03236612173a1b81e9770314edecfa664375e3e4c86"
-dependencies = [
- "serde",
-]
-
 [[package]]
 name = "rust-demangler"
 version = "0.0.1"
@@ -3965,7 +3946,6 @@ dependencies = [
  "rustc_middle",
  "rustc_parse",
  "rustc_plugin_impl",
- "rustc_save_analysis",
  "rustc_session",
  "rustc_span",
  "rustc_target",
@@ -4625,27 +4605,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "rustc_save_analysis"
-version = "0.0.0"
-dependencies = [
- "rls-data",
- "rls-span",
- "rustc_ast",
- "rustc_ast_pretty",
- "rustc_data_structures",
- "rustc_errors",
- "rustc_hir",
- "rustc_hir_pretty",
- "rustc_lexer",
- "rustc_macros",
- "rustc_middle",
- "rustc_session",
- "rustc_span",
- "serde_json",
- "tracing",
-]
-
 [[package]]
 name = "rustc_serialize"
 version = "0.0.0"

compiler/rustc_driver_impl/Cargo.toml

@@ -22,7 +22,6 @@ rustc_macros = { path = "../rustc_macros" }
 rustc_metadata = { path = "../rustc_metadata" }
 rustc_parse = { path = "../rustc_parse" }
 rustc_plugin_impl = { path = "../rustc_plugin_impl" }
-rustc_save_analysis = { path = "../rustc_save_analysis" }
 rustc_codegen_ssa = { path = "../rustc_codegen_ssa" }
 rustc_session = { path = "../rustc_session" }
 rustc_error_codes = { path = "../rustc_error_codes" }

compiler/rustc_driver_impl/src/lib.rs

@@ -25,13 +25,10 @@ use rustc_data_structures::sync::SeqCst;
 use rustc_errors::registry::{InvalidErrorCode, Registry};
 use rustc_errors::{ErrorGuaranteed, PResult, TerminalUrl};
 use rustc_feature::find_gated_cfg;
-use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_interface::util::{self, collect_crate_types, get_codegen_backend};
 use rustc_interface::{interface, Queries};
 use rustc_lint::LintStore;
 use rustc_metadata::locator;
-use rustc_save_analysis as save;
-use rustc_save_analysis::DumpHandler;
 use rustc_session::config::{nightly_options, CG_OPTIONS, Z_OPTIONS};
 use rustc_session::config::{ErrorOutputType, Input, OutputType, PrintRequest, TrimmedDefPaths};
 use rustc_session::cstore::MetadataLoader;
@@ -343,22 +340,7 @@ fn run_compiler(
                 return early_exit();
             }
 
-            queries.global_ctxt()?.enter(|tcx| {
-                let result = tcx.analysis(());
-                if sess.opts.unstable_opts.save_analysis {
-                    let crate_name = tcx.crate_name(LOCAL_CRATE);
-                    sess.time("save_analysis", || {
-                        save::process_crate(
-                            tcx,
-                            crate_name,
-                            &sess.io.input,
-                            None,
-                            DumpHandler::new(sess.io.output_dir.as_deref(), crate_name),
-                        )
-                    });
-                }
-                result
-            })?;
+            queries.global_ctxt()?.enter(|tcx| tcx.analysis(()))?;
 
             if callbacks.after_analysis(compiler, queries) == Compilation::Stop {
                 return early_exit();

compiler/rustc_error_messages/src/lib.rs

@@ -67,7 +67,6 @@ fluent_messages! {
     privacy => "../locales/en-US/privacy.ftl",
     query_system => "../locales/en-US/query_system.ftl",
     resolve => "../locales/en-US/resolve.ftl",
-    save_analysis => "../locales/en-US/save_analysis.ftl",
     session => "../locales/en-US/session.ftl",
     symbol_mangling => "../locales/en-US/symbol_mangling.ftl",
     trait_selection => "../locales/en-US/trait_selection.ftl",

compiler/rustc_interface/src/tests.rs

@@ -691,7 +691,6 @@ fn test_unstable_options_tracking_hash() {
     untracked!(proc_macro_execution_strategy, ProcMacroExecutionStrategy::CrossThread);
     untracked!(profile_closures, true);
     untracked!(query_dep_graph, true);
-    untracked!(save_analysis, true);
     untracked!(self_profile, SwitchWithOptPath::Enabled(None));
     untracked!(self_profile_events, Some(vec![String::new()]));
     untracked!(span_debug, true);