bjoernager/rust
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Rollup merge of #122784 - jswrenn:tag_for_variant, r=compiler-errors

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Add `tag_for_variant` query

This query allows for sharing code between `rustc_const_eval` and `rustc_transmutability`. It's a precursor to a PR I'm working on to entirely replace the bespoke layout computations in `rustc_transmutability`.

r? `@compiler-errors`
This commit is contained in:
Matthias Krüger 2024-03-22 20:31:29 +01:00 • committed by GitHub
commit 96be3e7cc8
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13 changed files with 347 additions and 292 deletions
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compiler/rustc_mir_transform/src/jump_threading.rs
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@ -36,6 +36,7 @@
//! cost by `MAX_COST`.
use rustc_arena::DroplessArena;
use rustc_const_eval::const_eval::DummyMachine;
use rustc_const_eval::interpret::{ImmTy, Immediate, InterpCx, OpTy, Projectable};
use rustc_data_structures::fx::FxHashSet;
use rustc_index::bit_set::BitSet;
@ -50,7 +51,6 @@ use rustc_span::DUMMY_SP;
use rustc_target::abi::{TagEncoding, Variants};
use crate::cost_checker::CostChecker;
use crate::dataflow_const_prop::DummyMachine;
pub struct JumpThreading;