refactor!: Rename cache-all-derive-macros option to cache-proc-macros

Author: futile

compiler/rustc_expand/src/proc_macro.rs

@@ -152,7 +152,7 @@ impl MultiItemModifier for DeriveProcMacro {
                 // FIXME(pr-time): Is this the correct way to check for incremental compilation (as
                 // well)?
                 if tcx.sess.opts.incremental.is_some()
-                    && tcx.sess.opts.unstable_opts.cache_all_derive_macros
+                    && tcx.sess.opts.unstable_opts.cache_proc_macros
                 {
                     tcx.derive_macro_expansion(key).cloned()
                 } else {

compiler/rustc_session/src/options.rs

@@ -1697,8 +1697,8 @@ options! {
         "emit noalias metadata for box (default: yes)"),
     branch_protection: Option<BranchProtection> = (None, parse_branch_protection, [TRACKED],
         "set options for branch target identification and pointer authentication on AArch64"),
-    cache_all_derive_macros: bool = (true, parse_bool, [UNTRACKED],
-        "cache the results of ALL derive macro invocations (potentially unsound!) (default: YES -- for rustc-perf)"),
+    cache_proc_macros: bool = (true, parse_bool, [UNTRACKED],
+        "cache the results of ALL proc macro invocations (potentially unsound!) (default: YES -- for rustc-perf)"),
     cf_protection: CFProtection = (CFProtection::None, parse_cfprotection, [TRACKED],
         "instrument control-flow architecture protection"),
     check_cfg_all_expected: bool = (false, parse_bool, [UNTRACKED],

tests/incremental/derive_macro_expansion/proc_macro_unchanged.rs

@@ -8,7 +8,7 @@
 
 //@ aux-build:derive_nothing.rs
 //@ revisions:cfail1 cfail2
-//@ compile-flags: -Z query-dep-graph -Zcache-all-derive-macros=true
+//@ compile-flags: -Z query-dep-graph -Zcache-proc-macros=true
 //@ build-pass
 
 #![feature(rustc_attrs)]
@@ -20,7 +20,7 @@
 // #![rustc_partition_codegened(module="proc_macro_unchanged-foo", cfg="cfail2")]
 
 // `foo::nothing_mod` is created by the derive macro and doesn't change
-// BUG: this yields the same result with `-Zcache-all-derive-macros=false` (i.e., uncached),
+// BUG: this yields the same result with `-Zcache-proc-macros=false` (i.e., uncached),
 // not sure how to do this correctly.
 #![rustc_partition_reused(module="proc_macro_unchanged-foo-nothing_mod", cfg="cfail2")]