compiler: Directly use rustc_abi in const_eval

compiler/rustc_const_eval/src/const_eval/dummy_machine.rs

@@ -86,7 +86,7 @@ impl<'tcx> interpret::Machine<'tcx> for DummyMachine {
     fn find_mir_or_eval_fn(
         _ecx: &mut InterpCx<'tcx, Self>,
         _instance: ty::Instance<'tcx>,
-        _abi: rustc_target::spec::abi::Abi,
+        _abi: rustc_abi::ExternAbi,
         _args: &[interpret::FnArg<'tcx, Self::Provenance>],
         _destination: &interpret::MPlaceTy<'tcx, Self::Provenance>,
         _target: Option<BasicBlock>,

compiler/rustc_const_eval/src/const_eval/machine.rs

@@ -3,6 +3,7 @@ use std::fmt;
 use std::hash::Hash;
 use std::ops::ControlFlow;
 
+use rustc_abi::{Align, ExternAbi, Size};
 use rustc_ast::Mutability;
 use rustc_data_structures::fx::{FxHashMap, FxIndexMap, IndexEntry};
 use rustc_hir::def_id::{DefId, LocalDefId};
@@ -14,8 +15,6 @@ use rustc_middle::ty::{self, Ty, TyCtxt};
 use rustc_middle::{bug, mir};
 use rustc_span::Span;
 use rustc_span::symbol::{Symbol, sym};
-use rustc_target::abi::{Align, Size};
-use rustc_target::spec::abi::Abi as CallAbi;
 use tracing::debug;
 
 use super::error::*;
@@ -411,7 +410,7 @@ impl<'tcx> interpret::Machine<'tcx> for CompileTimeMachine<'tcx> {
     fn find_mir_or_eval_fn(
         ecx: &mut InterpCx<'tcx, Self>,
         orig_instance: ty::Instance<'tcx>,
-        _abi: CallAbi,
+        _abi: ExternAbi,
         args: &[FnArg<'tcx>],
         dest: &MPlaceTy<'tcx>,
         ret: Option<mir::BasicBlock>,

compiler/rustc_const_eval/src/const_eval/mod.rs

@@ -1,9 +1,9 @@
 // Not in interpret to make sure we do not use private implementation details
 
+use rustc_abi::VariantIdx;
 use rustc_middle::query::{Key, TyCtxtAt};
 use rustc_middle::ty::{self, Ty, TyCtxt};
 use rustc_middle::{bug, mir};
-use rustc_target::abi::VariantIdx;
 use tracing::instrument;
 
 use crate::interpret::InterpCx;

compiler/rustc_const_eval/src/errors.rs

@@ -2,6 +2,7 @@ use std::borrow::Cow;
 use std::fmt::Write;
 
 use either::Either;
+use rustc_abi::WrappingRange;
 use rustc_errors::codes::*;
 use rustc_errors::{
     Diag, DiagArgValue, DiagCtxtHandle, DiagMessage, Diagnostic, EmissionGuarantee, Level,
@@ -15,8 +16,7 @@ use rustc_middle::mir::interpret::{
 };
 use rustc_middle::ty::{self, Mutability, Ty};
 use rustc_span::{Span, Symbol};
-use rustc_target::abi::WrappingRange;
-use rustc_target::abi::call::AdjustForForeignAbiError;
+use rustc_target::callconv::AdjustForForeignAbiError;
 
 use crate::interpret::InternKind;
 

compiler/rustc_const_eval/src/interpret/call.rs

@@ -4,13 +4,12 @@ use std::assert_matches::assert_matches;
 use std::borrow::Cow;
 
 use either::{Left, Right};
+use rustc_abi::{self as abi, ExternAbi, FieldIdx, Integer};
 use rustc_middle::ty::layout::{FnAbiOf, IntegerExt, LayoutOf, TyAndLayout};
 use rustc_middle::ty::{self, AdtDef, Instance, Ty};
 use rustc_middle::{bug, mir, span_bug};
 use rustc_span::sym;
-use rustc_target::abi::call::{ArgAbi, FnAbi, PassMode};
-use rustc_target::abi::{self, FieldIdx, Integer};
-use rustc_target::spec::abi::Abi;
+use rustc_target::callconv::{ArgAbi, FnAbi, PassMode};
 use tracing::{info, instrument, trace};
 
 use super::{
@@ -488,7 +487,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
     pub(super) fn init_fn_call(
         &mut self,
         fn_val: FnVal<'tcx, M::ExtraFnVal>,
-        (caller_abi, caller_fn_abi): (Abi, &FnAbi<'tcx, Ty<'tcx>>),
+        (caller_abi, caller_fn_abi): (ExternAbi, &FnAbi<'tcx, Ty<'tcx>>),
         args: &[FnArg<'tcx, M::Provenance>],
         with_caller_location: bool,
         destination: &MPlaceTy<'tcx, M::Provenance>,
@@ -566,7 +565,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
 
                 // Special handling for the closure ABI: untuple the last argument.
                 let args: Cow<'_, [FnArg<'tcx, M::Provenance>]> =
-                    if caller_abi == Abi::RustCall && !args.is_empty() {
+                    if caller_abi == ExternAbi::RustCall && !args.is_empty() {
                         // Untuple
                         let (untuple_arg, args) = args.split_last().unwrap();
                         trace!("init_fn_call: Will pass last argument by untupling");
@@ -732,7 +731,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
     pub(super) fn init_fn_tail_call(
         &mut self,
         fn_val: FnVal<'tcx, M::ExtraFnVal>,
-        (caller_abi, caller_fn_abi): (Abi, &FnAbi<'tcx, Ty<'tcx>>),
+        (caller_abi, caller_fn_abi): (ExternAbi, &FnAbi<'tcx, Ty<'tcx>>),
         args: &[FnArg<'tcx, M::Provenance>],
         with_caller_location: bool,
     ) -> InterpResult<'tcx> {
@@ -817,7 +816,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
 
         self.init_fn_call(
             FnVal::Instance(instance),
-            (Abi::Rust, fn_abi),
+            (ExternAbi::Rust, fn_abi),
             &[FnArg::Copy(arg.into())],
             false,
             &ret,

compiler/rustc_const_eval/src/interpret/cast.rs

@@ -1,5 +1,6 @@
 use std::assert_matches::assert_matches;
 
+use rustc_abi::Integer;
 use rustc_apfloat::ieee::{Double, Half, Quad, Single};
 use rustc_apfloat::{Float, FloatConvert};
 use rustc_middle::mir::CastKind;
@@ -8,7 +9,6 @@ use rustc_middle::ty::adjustment::PointerCoercion;
 use rustc_middle::ty::layout::{IntegerExt, LayoutOf, TyAndLayout};
 use rustc_middle::ty::{self, FloatTy, Ty};
 use rustc_middle::{bug, span_bug};
-use rustc_target::abi::Integer;
 use rustc_type_ir::TyKind::*;
 use tracing::trace;
 

compiler/rustc_const_eval/src/interpret/discriminant.rs

@@ -1,9 +1,9 @@
 //! Functions for reading and writing discriminants of multi-variant layouts (enums and coroutines).
 
+use rustc_abi::{self as abi, TagEncoding, VariantIdx, Variants};
 use rustc_middle::ty::layout::{LayoutOf, PrimitiveExt};
 use rustc_middle::ty::{self, CoroutineArgsExt, ScalarInt, Ty};
 use rustc_middle::{mir, span_bug};
-use rustc_target::abi::{self, TagEncoding, VariantIdx, Variants};
 use tracing::{instrument, trace};
 
 use super::{

compiler/rustc_const_eval/src/interpret/eval_context.rs

@@ -1,4 +1,5 @@
 use either::{Left, Right};
+use rustc_abi::{Align, HasDataLayout, Size, TargetDataLayout};
 use rustc_errors::DiagCtxtHandle;
 use rustc_hir::def_id::DefId;
 use rustc_infer::infer::TyCtxtInferExt;
@@ -15,8 +16,7 @@ use rustc_middle::ty::{
 use rustc_middle::{mir, span_bug};
 use rustc_session::Limit;
 use rustc_span::Span;
-use rustc_target::abi::call::FnAbi;
-use rustc_target::abi::{Align, HasDataLayout, Size, TargetDataLayout};
+use rustc_target::callconv::FnAbi;
 use rustc_trait_selection::traits::ObligationCtxt;
 use tracing::{debug, instrument, trace};
 

compiler/rustc_const_eval/src/interpret/intrinsics.rs

@@ -4,6 +4,7 @@
 
 use std::assert_matches::assert_matches;
 
+use rustc_abi::Size;
 use rustc_apfloat::ieee::{Double, Half, Quad, Single};
 use rustc_hir::def_id::DefId;
 use rustc_middle::mir::{self, BinOp, ConstValue, NonDivergingIntrinsic};
@@ -11,7 +12,6 @@ use rustc_middle::ty::layout::{LayoutOf as _, TyAndLayout, ValidityRequirement};
 use rustc_middle::ty::{GenericArgsRef, Ty, TyCtxt};
 use rustc_middle::{bug, ty};
 use rustc_span::symbol::{Symbol, sym};
-use rustc_target::abi::Size;
 use tracing::trace;
 
 use super::memory::MemoryKind;

compiler/rustc_const_eval/src/interpret/machine.rs

@@ -6,6 +6,7 @@ use std::borrow::{Borrow, Cow};
 use std::fmt::Debug;
 use std::hash::Hash;
 
+use rustc_abi::{Align, ExternAbi, Size};
 use rustc_apfloat::{Float, FloatConvert};
 use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
 use rustc_middle::query::TyCtxtAt;
@@ -14,8 +15,6 @@ use rustc_middle::ty::layout::TyAndLayout;
 use rustc_middle::{mir, ty};
 use rustc_span::Span;
 use rustc_span::def_id::DefId;
-use rustc_target::abi::{Align, Size};
-use rustc_target::spec::abi::Abi as CallAbi;
 
 use super::{
     AllocBytes, AllocId, AllocKind, AllocRange, Allocation, CTFE_ALLOC_SALT, ConstAllocation,
@@ -202,7 +201,7 @@ pub trait Machine<'tcx>: Sized {
     fn find_mir_or_eval_fn(
         ecx: &mut InterpCx<'tcx, Self>,
         instance: ty::Instance<'tcx>,
-        abi: CallAbi,
+        abi: ExternAbi,
         args: &[FnArg<'tcx, Self::Provenance>],
         destination: &MPlaceTy<'tcx, Self::Provenance>,
         target: Option<mir::BasicBlock>,
@@ -214,7 +213,7 @@ pub trait Machine<'tcx>: Sized {
     fn call_extra_fn(
         ecx: &mut InterpCx<'tcx, Self>,
         fn_val: Self::ExtraFnVal,
-        abi: CallAbi,
+        abi: ExternAbi,
         args: &[FnArg<'tcx, Self::Provenance>],
         destination: &MPlaceTy<'tcx, Self::Provenance>,
         target: Option<mir::BasicBlock>,
@@ -653,7 +652,7 @@ pub macro compile_time_machine(<$tcx: lifetime>) {
     fn call_extra_fn(
         _ecx: &mut InterpCx<$tcx, Self>,
         fn_val: !,
-        _abi: CallAbi,
+        _abi: ExternAbi,
         _args: &[FnArg<$tcx>],
         _destination: &MPlaceTy<$tcx, Self::Provenance>,
         _target: Option<mir::BasicBlock>,

compiler/rustc_const_eval/src/interpret/memory.rs

@@ -11,13 +11,13 @@ use std::borrow::{Borrow, Cow};
 use std::collections::VecDeque;
 use std::{fmt, mem, ptr};
 
+use rustc_abi::{Align, HasDataLayout, Size};
 use rustc_ast::Mutability;
 use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
 use rustc_hir::def::DefKind;
 use rustc_middle::bug;
 use rustc_middle::mir::display_allocation;
 use rustc_middle::ty::{self, Instance, ParamEnv, Ty, TyCtxt};
-use rustc_target::abi::{Align, HasDataLayout, Size};
 use tracing::{debug, instrument, trace};
 
 use super::{

compiler/rustc_const_eval/src/interpret/operator.rs

@@ -1,4 +1,5 @@
 use either::Either;
+use rustc_abi::Size;
 use rustc_apfloat::{Float, FloatConvert};
 use rustc_middle::mir::NullOp;
 use rustc_middle::mir::interpret::{InterpResult, PointerArithmetic, Scalar};
@@ -6,7 +7,6 @@ use rustc_middle::ty::layout::{LayoutOf, TyAndLayout};
 use rustc_middle::ty::{self, FloatTy, ScalarInt, Ty};
 use rustc_middle::{bug, mir, span_bug};
 use rustc_span::symbol::sym;
-use rustc_target::abi::Size;
 use tracing::trace;
 
 use super::{ImmTy, InterpCx, Machine, MemPlaceMeta, interp_ok, throw_ub};

compiler/rustc_const_eval/src/interpret/projection.rs

@@ -10,10 +10,10 @@
 use std::marker::PhantomData;
 use std::ops::Range;
 
+use rustc_abi::{self as abi, Size, VariantIdx};
 use rustc_middle::ty::Ty;
 use rustc_middle::ty::layout::{LayoutOf, TyAndLayout};
 use rustc_middle::{bug, mir, span_bug, ty};
-use rustc_target::abi::{self, Size, VariantIdx};
 use tracing::{debug, instrument};
 
 use super::{

compiler/rustc_const_eval/src/interpret/step.rs

@@ -3,13 +3,13 @@
 //! The main entry point is the `step` method.
 
 use either::Either;
+use rustc_abi::{FIRST_VARIANT, FieldIdx};
 use rustc_index::IndexSlice;
 use rustc_middle::ty::layout::FnAbiOf;
 use rustc_middle::ty::{self, Instance, Ty};
 use rustc_middle::{bug, mir, span_bug};
 use rustc_span::source_map::Spanned;
-use rustc_target::abi::call::FnAbi;
-use rustc_target::abi::{FIRST_VARIANT, FieldIdx};
+use rustc_target::callconv::FnAbi;
 use tracing::{info, instrument, trace};
 
 use super::{

compiler/rustc_const_eval/src/interpret/traits.rs

@@ -1,7 +1,7 @@
+use rustc_abi::{Align, Size};
 use rustc_middle::mir::interpret::{InterpResult, Pointer};
 use rustc_middle::ty::layout::LayoutOf;
 use rustc_middle::ty::{self, ExistentialPredicateStableCmpExt, Ty, TyCtxt, VtblEntry};
-use rustc_target::abi::{Align, Size};
 use tracing::trace;
 
 use super::util::ensure_monomorphic_enough;

compiler/rustc_const_eval/src/interpret/visitor.rs

@@ -3,11 +3,11 @@
 
 use std::num::NonZero;
 
+use rustc_abi::{FieldIdx, FieldsShape, VariantIdx, Variants};
 use rustc_index::IndexVec;
 use rustc_middle::mir::interpret::InterpResult;
 use rustc_middle::ty::layout::LayoutOf;
 use rustc_middle::ty::{self, Ty};
-use rustc_target::abi::{FieldIdx, FieldsShape, VariantIdx, Variants};
 use tracing::trace;
 
 use super::{InterpCx, MPlaceTy, Machine, Projectable, interp_ok, throw_inval};

compiler/rustc_const_eval/src/util/alignment.rs

@@ -1,6 +1,6 @@
+use rustc_abi::Align;
 use rustc_middle::mir::*;
 use rustc_middle::ty::{self, TyCtxt};
-use rustc_target::abi::Align;
 use tracing::debug;
 
 /// Returns `true` if this place is allowed to be less aligned