Rollup merge of rust-lang#114363 - RalfJung:interpret-not-miri, r=jackh726

avoid 'miri' when refering to the shared interpreter

This is basically the rustc source code version of rust-lang/rustc-dev-guide#1471.

Author: matthiaskrgr

compiler/rustc_const_eval/src/interpret/intrinsics.rs

@@ -1,4 +1,4 @@
-//! Intrinsics and other functions that the miri engine executes without
+//! Intrinsics and other functions that the interpreter executes without
 //! looking at their MIR. Intrinsics/functions supported here are shared by CTFE
 //! and miri.
 

compiler/rustc_const_eval/src/interpret/memory.rs

@@ -91,7 +91,7 @@ impl<'tcx, Other> FnVal<'tcx, Other> {
 // `Memory` has to depend on the `Machine` because some of its operations
 // (e.g., `get`) call a `Machine` hook.
 pub struct Memory<'mir, 'tcx, M: Machine<'mir, 'tcx>> {
-    /// Allocations local to this instance of the miri engine. The kind
+    /// Allocations local to this instance of the interpreter. The kind
     /// helps ensure that the same mechanism is used for allocation and
     /// deallocation. When an allocation is not found here, it is a
     /// global and looked up in the `tcx` for read access. Some machines may

compiler/rustc_middle/src/mir/interpret/error.rs

@@ -155,7 +155,7 @@ impl<'tcx> InterpErrorInfo<'tcx> {
 }
 
 fn print_backtrace(backtrace: &Backtrace) {
-    eprintln!("\n\nAn error occurred in miri:\n{backtrace}");
+    eprintln!("\n\nAn error occurred in the MIR interpreter:\n{backtrace}");
 }
 
 impl From<ErrorGuaranteed> for InterpErrorInfo<'_> {

compiler/rustc_middle/src/mir/interpret/mod.rs

@@ -609,7 +609,7 @@ impl<'tcx> TyCtxt<'tcx> {
     /// Panics in case the `AllocId` is dangling. Since that is impossible for `AllocId`s in
     /// constants (as all constants must pass interning and validation that check for dangling
     /// ids), this function is frequently used throughout rustc, but should not be used within
-    /// the miri engine.
+    /// the interpreter.
     pub fn global_alloc(self, id: AllocId) -> GlobalAlloc<'tcx> {
         match self.try_get_global_alloc(id) {
             Some(alloc) => alloc,

compiler/rustc_monomorphize/src/collector.rs

@@ -384,7 +384,7 @@ fn collect_items_rec<'tcx>(
 
             if let Ok(alloc) = tcx.eval_static_initializer(def_id) {
                 for &id in alloc.inner().provenance().ptrs().values() {
-                    collect_miri(tcx, id, &mut used_items);
+                    collect_alloc(tcx, id, &mut used_items);
                 }
             }
 
@@ -1331,8 +1331,8 @@ fn create_mono_items_for_default_impls<'tcx>(
     }
 }
 
-/// Scans the miri alloc in order to find function calls, closures, and drop-glue.
-fn collect_miri<'tcx>(tcx: TyCtxt<'tcx>, alloc_id: AllocId, output: &mut MonoItems<'tcx>) {
+/// Scans the CTFE alloc in order to find function calls, closures, and drop-glue.
+fn collect_alloc<'tcx>(tcx: TyCtxt<'tcx>, alloc_id: AllocId, output: &mut MonoItems<'tcx>) {
     match tcx.global_alloc(alloc_id) {
         GlobalAlloc::Static(def_id) => {
             assert!(!tcx.is_thread_local_static(def_id));
@@ -1346,7 +1346,7 @@ fn collect_miri<'tcx>(tcx: TyCtxt<'tcx>, alloc_id: AllocId, output: &mut MonoIte
             trace!("collecting {:?} with {:#?}", alloc_id, alloc);
             for &inner in alloc.inner().provenance().ptrs().values() {
                 rustc_data_structures::stack::ensure_sufficient_stack(|| {
-                    collect_miri(tcx, inner, output);
+                    collect_alloc(tcx, inner, output);
                 });
             }
         }
@@ -1358,7 +1358,7 @@ fn collect_miri<'tcx>(tcx: TyCtxt<'tcx>, alloc_id: AllocId, output: &mut MonoIte
         }
         GlobalAlloc::VTable(ty, trait_ref) => {
             let alloc_id = tcx.vtable_allocation((ty, trait_ref));
-            collect_miri(tcx, alloc_id, output)
+            collect_alloc(tcx, alloc_id, output)
         }
     }
 }
@@ -1381,10 +1381,10 @@ fn collect_const_value<'tcx>(
     output: &mut MonoItems<'tcx>,
 ) {
     match value {
-        ConstValue::Scalar(Scalar::Ptr(ptr, _size)) => collect_miri(tcx, ptr.provenance, output),
+        ConstValue::Scalar(Scalar::Ptr(ptr, _size)) => collect_alloc(tcx, ptr.provenance, output),
         ConstValue::Slice { data: alloc, start: _, end: _ } | ConstValue::ByRef { alloc, .. } => {
             for &id in alloc.inner().provenance().ptrs().values() {
-                collect_miri(tcx, id, output);
+                collect_alloc(tcx, id, output);
             }
         }
         _ => {}

compiler/rustc_symbol_mangling/src/v0.rs

@@ -628,7 +628,8 @@ impl<'tcx> Printer<'tcx> for &mut SymbolMangler<'tcx> {
                                         valtree, ty
                                     )
                                     });
-                                let s = std::str::from_utf8(slice).expect("non utf8 str from miri");
+                                let s = std::str::from_utf8(slice)
+                                    .expect("non utf8 str from MIR interpreter");
 
                                 self.push("e");