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rust/compiler/rustc_mir_transform/src
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bors 871b595202 Auto merge of #111913 - oli-obk:valtrees2, r=lcnr 
Only rewrite valtree-constants to patterns and keep other constants opaque

Now that we can reliably fall back to comparing constants with `PartialEq::eq` to the match scrutinee, we can

1. eagerly try to convert constants to valtrees
2. then deeply convert the valtree to a pattern
3. if the to-valtree conversion failed, create an "opaque constant" pattern.

This PR specifically avoids any behavioral changes or major cleanups. What we can now do as follow ups is

* move the two remaining call sites to `destructure_mir_constant` off that query
* make valtree to pattern conversion infallible
    * this needs to be done after careful analysis of the effects. There may be user visible changes from that.

based on https://github.com/rust-lang/rust/pull/111768
2023-05-31 16:36:51 +00:00
..
coverage Rollup merge of #111121 - Zalathar:ra-false-positive, r=jackh726 2023-05-24 21:36:56 +02:00
inline EarlyBinder::new -> EarlyBinder::bind 2023-05-29 13:46:10 +02:00
abort_unwinding_calls.rs Add UnwindAction::Terminate 2023-04-06 09:34:16 +01:00
add_call_guards.rs Split {Idx, IndexVec, IndexSlice} into their own modules 2023-04-24 13:53:35 +00:00
add_moves_for_packed_drops.rs Remove DesugaringKind::Replace. 2023-05-25 17:40:46 +00:00
add_retag.rs Spelling - compiler 2023-04-17 16:09:18 -04:00
check_alignment.rs Exclude Rvalue::AddressOf for raw pointer deref alignment checks 2023-05-27 14:54:15 -04:00
check_const_item_mutation.rs Migrate mir_transform to translatable diagnostics 2023-05-02 16:24:18 +01:00
check_packed_ref.rs Migrate mir_transform to translatable diagnostics 2023-05-02 16:24:18 +01:00
check_unsafety.rs Move expansion of query macros in rustc_middle to rustc_middle::query 2023-05-15 08:49:13 +02:00
cleanup_post_borrowck.rs Actually keep PlaceMention if requested. 2023-04-21 21:34:59 +00:00
const_debuginfo.rs Split {Idx, IndexVec, IndexSlice} into their own modules 2023-04-24 13:53:35 +00:00
const_goto.rs Disable ConstGoto opt in cleanup blocks 2023-01-26 03:50:37 -08:00
const_prop_lint.rs Use Option::is_some_and and Result::is_ok_and in the compiler 2023-05-24 14:20:41 +00:00
const_prop.rs unique borrows are mutating uses 2023-05-29 17:15:48 +02:00
copy_prop.rs unique borrows are mutating uses 2023-05-29 17:15:48 +02:00
ctfe_limit.rs Simplify back-edge logic. 2023-05-17 12:18:55 +00:00
dataflow_const_prop.rs Extract handle_set_discriminant. 2023-05-09 17:27:58 +00:00
dead_store_elimination.rs Actually keep PlaceMention if requested. 2023-04-21 21:34:59 +00:00
deduce_param_attrs.rs allow mutating function args through &raw const 2023-05-13 00:00:51 +02:00
deduplicate_blocks.rs Replace Body::basic_blocks() with field access 2022-08-26 14:27:08 +02:00
deref_separator.rs Split {Idx, IndexVec, IndexSlice} into their own modules 2023-04-24 13:53:35 +00:00
dest_prop.rs Actually keep PlaceMention if requested. 2023-04-21 21:34:59 +00:00
dump_mir.rs Profile MIR passes. 2023-05-15 20:27:12 +00:00
early_otherwise_branch.rs Remove unneeded field from SwitchTargets 2022-12-09 04:53:10 -08:00
elaborate_box_derefs.rs Split {Idx, IndexVec, IndexSlice} into their own modules 2023-04-24 13:53:35 +00:00
elaborate_drops.rs Remove DesugaringKind::Replace. 2023-05-25 17:40:46 +00:00
errors.rs Migrate mir_transform to translatable diagnostics 2023-05-02 16:24:18 +01:00
ffi_unwind_calls.rs Move expansion of query macros in rustc_middle to rustc_middle::query 2023-05-15 08:49:13 +02:00
function_item_references.rs EarlyBinder::new -> EarlyBinder::bind 2023-05-29 13:46:10 +02:00
generator.rs Remove DesugaringKind::Replace. 2023-05-25 17:40:46 +00:00
inline.rs EarlyBinder::new -> EarlyBinder::bind 2023-05-29 13:46:10 +02:00
instsimplify.rs Stop turning transmutes into discriminants in mir-opt 2023-05-14 11:46:07 -07:00
large_enums.rs Use param_env_reveal_all_normalized in MIR opts. 2023-04-23 10:04:41 +00:00
lib.rs MIR: opt-in normalization of BasicBlock and Local numbering 2023-05-21 17:48:36 -07:00
lower_intrinsics.rs Rollup merge of #111004 - clubby789:migrate-mir-transform, r=oli-obk 2023-05-08 09:30:22 -07:00
lower_slice_len.rs Split {Idx, IndexVec, IndexSlice} into their own modules 2023-04-24 13:53:35 +00:00
match_branches.rs Try enabling MatchBranchSimplification 2023-05-27 13:50:13 -04:00
multiple_return_terminators.rs Replace Body::basic_blocks() with field access 2022-08-26 14:27:08 +02:00
normalize_array_len.rs Do not consider borrowed Freeze locals as SSA. 2023-05-09 17:59:35 +00:00
nrvo.rs Use Option::is_some_and and Result::is_ok_and in the compiler 2023-05-24 14:20:41 +00:00
pass_manager.rs Profile MIR passes. 2023-05-15 20:27:12 +00:00
prettify.rs PR feedback: better comments and debug asserts 2023-05-21 17:48:37 -07:00
ref_prop.rs Do not ICE on deeply nested borrows. 2023-05-13 10:29:05 +00:00
remove_noop_landing_pads.rs Rename Abort terminator to Terminate 2023-04-06 09:34:16 +01:00
remove_place_mention.rs Actually keep PlaceMention if requested. 2023-04-21 21:34:59 +00:00
remove_storage_markers.rs Make MIR basic blocks field public 2022-07-07 08:11:49 +02:00
remove_uninit_drops.rs Move mir::Field → abi::FieldIdx 2023-03-28 22:22:37 -07:00
remove_unneeded_drops.rs Make MIR basic blocks field public 2022-07-07 08:11:49 +02:00
remove_zsts.rs Generalize operation. 2023-03-13 18:22:55 +00:00
required_consts.rs Only rewrite valtree-constants to patterns and keep other constants opaque 2023-05-31 14:02:57 +00:00
reveal_all.rs Also reveal constants before MIR opts. 2023-04-23 10:04:41 +00:00
separate_const_switch.rs offset_of 2023-04-21 02:14:02 -07:00
shim.rs EarlyBinder::new -> EarlyBinder::bind 2023-05-29 13:46:10 +02:00
simplify_branches.rs Use param_env_reveal_all_normalized in MIR opts. 2023-04-23 10:04:41 +00:00
simplify_comparison_integral.rs Use param_env_reveal_all_normalized in MIR opts. 2023-04-23 10:04:41 +00:00
simplify.rs Profile MIR passes. 2023-05-15 20:27:12 +00:00
sroa.rs Split {Idx, IndexVec, IndexSlice} into their own modules 2023-04-24 13:53:35 +00:00
ssa.rs unique borrows are mutating uses 2023-05-29 17:15:48 +02:00
uninhabited_enum_branching.rs Use param_env_reveal_all_normalized in MIR opts. 2023-04-23 10:04:41 +00:00
unreachable_prop.rs Fix typos in compiler 2023-04-10 22:02:52 +02:00