From aa44a259d2227a3fa3ae1f2587da46398902fe7c Mon Sep 17 00:00:00 2001
From: Jubilee Young <workingjubilee@gmail.com>
Date: Sun, 27 Oct 2024 17:51:59 -0700
Subject: [PATCH] compiler: Use rustc_abi directly in lint and mir_transform

---
 .../rustc_mir_transform/src/coroutine/by_move_body.rs  |  2 +-
 .../rustc_mir_transform/src/elaborate_box_derefs.rs    |  2 +-
 compiler/rustc_mir_transform/src/large_enums.rs        | 10 +++++-----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
index 2c622b1927e52..36eb435c63a10 100644
--- a/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
+++ b/compiler/rustc_mir_transform/src/coroutine/by_move_body.rs
@@ -69,6 +69,7 @@
 //! in case precise captures (edition 2021 closure capture rules) caused the inner coroutine
 //! to split one field capture into two.
 
+use rustc_abi::{FieldIdx, VariantIdx};
 use rustc_data_structures::steal::Steal;
 use rustc_data_structures::unord::UnordMap;
 use rustc_hir as hir;
@@ -80,7 +81,6 @@ use rustc_middle::mir::visit::MutVisitor;
 use rustc_middle::mir::{self, dump_mir};
 use rustc_middle::ty::{self, InstanceKind, Ty, TyCtxt, TypeVisitableExt};
 use rustc_span::symbol::kw;
-use rustc_target::abi::{FieldIdx, VariantIdx};
 
 pub(crate) fn coroutine_by_move_body_def_id<'tcx>(
     tcx: TyCtxt<'tcx>,
diff --git a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
index 57f7a9ef7f5fc..b909dfa132052 100644
--- a/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
+++ b/compiler/rustc_mir_transform/src/elaborate_box_derefs.rs
@@ -2,13 +2,13 @@
 //!
 //! Box is not actually a pointer so it is incorrect to dereference it directly.
 
+use rustc_abi::FieldIdx;
 use rustc_hir::def_id::DefId;
 use rustc_middle::mir::patch::MirPatch;
 use rustc_middle::mir::visit::MutVisitor;
 use rustc_middle::mir::*;
 use rustc_middle::span_bug;
 use rustc_middle::ty::{Ty, TyCtxt};
-use rustc_target::abi::FieldIdx;
 
 /// Constructs the types used when accessing a Box's pointer
 fn build_ptr_tys<'tcx>(
diff --git a/compiler/rustc_mir_transform/src/large_enums.rs b/compiler/rustc_mir_transform/src/large_enums.rs
index 3e263aa406774..4e4966e342587 100644
--- a/compiler/rustc_mir_transform/src/large_enums.rs
+++ b/compiler/rustc_mir_transform/src/large_enums.rs
@@ -1,10 +1,10 @@
+use rustc_abi::{Endian, HasDataLayout, Integer, Size, TagEncoding, Variants};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_middle::mir::interpret::AllocId;
 use rustc_middle::mir::*;
 use rustc_middle::ty::util::IntTypeExt;
 use rustc_middle::ty::{self, AdtDef, ParamEnv, Ty, TyCtxt};
 use rustc_session::Session;
-use rustc_target::abi::{HasDataLayout, Size, TagEncoding, Variants};
 
 /// A pass that seeks to optimize unnecessary moves of large enum types, if there is a large
 /// enough discrepancy between them.
@@ -249,8 +249,8 @@ impl EnumSizeOpt {
         macro_rules! encode_store {
             ($curr_idx: expr, $endian: expr, $bytes: expr) => {
                 let bytes = match $endian {
-                    rustc_target::abi::Endian::Little => $bytes.to_le_bytes(),
-                    rustc_target::abi::Endian::Big => $bytes.to_be_bytes(),
+                    Endian::Little => $bytes.to_le_bytes(),
+                    Endian::Big => $bytes.to_be_bytes(),
                 };
                 for (i, b) in bytes.into_iter().enumerate() {
                     data[$curr_idx + i] = b;
@@ -263,10 +263,10 @@ impl EnumSizeOpt {
                 target_bytes * adt_def.discriminant_for_variant(tcx, var_idx).val as usize;
             let sz = layout.size;
             match ptr_sized_int {
-                rustc_target::abi::Integer::I32 => {
+                Integer::I32 => {
                     encode_store!(curr_idx, data_layout.endian, sz.bytes() as u32);
                 }
-                rustc_target::abi::Integer::I64 => {
+                Integer::I64 => {
                     encode_store!(curr_idx, data_layout.endian, sz.bytes());
                 }
                 _ => unreachable!(),