rust/tests/mir-opt
bors 006a26c0b5 Auto merge of #111684 - ChayimFriedman2:unused-offset-of, r=WaffleLapkin
Warn on unused `offset_of!()` result

The usage of `core::hint::must_use()` means that we don't get a specialized message. I figured out that since there are plenty of other methods that just have `#[must_use]` with no message it'll be fine, but it is a bit unfortunate that the error mentions `must_use` and not `offset_of!`.

Fixes #111669.
2023-06-21 16:40:54 +00:00
..
building Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
const_prop Warn on unused offset_of!() result 2023-06-21 11:43:14 +03:00
copy-prop Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
dataflow-const-prop Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
dead-store-elimination Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
deref-patterns Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
dest-prop Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
inline Promote unchecked_add/sub/mul/shl/shr to mir::BinOp 2023-06-19 01:47:03 -07:00
issues Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
nll Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
pre-codegen Disable two mir opts that are known to be unsound 2023-06-21 07:41:09 +00:00
sroa Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
address_of.address_of_reborrow.SimplifyCfg-initial.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
address_of.borrow_and_cast.SimplifyCfg-initial.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
address_of.rs
array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
array_index_is_temporary.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
asm_unwind_panic_abort.main.AbortUnwindingCalls.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
asm_unwind_panic_abort.rs
basic_assignment.main.ElaborateDrops.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
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box_expr.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
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casts.redundant.PreCodegen.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
casts.roundtrip.PreCodegen.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
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combine_array_len.norm2.InstSimplify.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
combine_array_len.norm2.InstSimplify.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
combine_array_len.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
combine_clone_of_primitives.{impl#0}-clone.InstSimplify.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
combine_clone_of_primitives.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
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combine_transmutes.integer_transmutes.InstSimplify.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
combine_transmutes.rs Stop turning transmutes into discriminants in mir-opt 2023-05-14 11:46:07 -07:00
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const_goto_const_eval_fail.f.ConstGoto.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
const_goto_const_eval_fail.rs Disable two mir opts that are known to be unsound 2023-06-21 07:41:09 +00:00
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const_promotion_extern_static.FOO-promoted[0].SimplifyCfg-elaborate-drops.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
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coverage_graphviz.bar.InstrumentCoverage.0.dot
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deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
deduplicate_blocks.is_line_doc_comment_2.DeduplicateBlocks.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
deduplicate_blocks.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
derefer_complex_case.main.Derefer.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
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derefer_complex_case.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
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derefer_inline_test.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
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derefer_terminator_test.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
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early_otherwise_branch_68867.rs
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equal_true.opt.InstSimplify.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
equal_true.rs
exponential_or.match_tuple.SimplifyCfg-initial.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
exponential_or.rs
fn_ptr_shim.core.ops-function-Fn-call.AddMovesForPackedDrops.before.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
fn_ptr_shim.rs
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funky_arms.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
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graphviz.rs
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lower_intrinsics.non_const.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.option_payload.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.option_payload.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.ptr_offset.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.ptr_offset.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.rs Promote unchecked_add/sub/mul/shl/shr to mir::BinOp 2023-06-19 01:47:03 -07:00
lower_intrinsics.size_of.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.size_of.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_inhabited.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_ref_dst.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_to_box_uninhabited.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_to_mut_uninhabited.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_to_ref_uninhabited.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.transmute_uninhabited.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.unchecked.LowerIntrinsics.panic-abort.diff Promote unchecked_add/sub/mul/shl/shr to mir::BinOp 2023-06-19 01:47:03 -07:00
lower_intrinsics.unchecked.LowerIntrinsics.panic-unwind.diff Promote unchecked_add/sub/mul/shl/shr to mir::BinOp 2023-06-19 01:47:03 -07:00
lower_intrinsics.unreachable.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.unreachable.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.with_overflow.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.with_overflow.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.wrapping.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.wrapping.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_intrinsics.write_via_move_string.LowerIntrinsics.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_slice_len.bound.LowerSliceLenCalls.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_slice_len.bound.LowerSliceLenCalls.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
lower_slice_len.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
match_arm_scopes.complicated_match.panic-abort.SimplifyCfg-initial.after-ElaborateDrops.after.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
match_arm_scopes.complicated_match.panic-unwind.SimplifyCfg-initial.after-ElaborateDrops.after.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
match_arm_scopes.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
match_test.main.SimplifyCfg-initial.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
match_test.rs
matches_reduce_branches.bar.MatchBranchSimplification.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
matches_reduce_branches.foo.MatchBranchSimplification.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
matches_reduce_branches.match_nested_if.MatchBranchSimplification.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
matches_reduce_branches.rs
matches_u8.exhaustive_match_i8.MatchBranchSimplification.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
matches_u8.exhaustive_match.MatchBranchSimplification.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
matches_u8.rs
multiple_return_terminators.rs
multiple_return_terminators.test.MultipleReturnTerminators.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
no_drop_for_inactive_variant.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
no_spurious_drop_after_call.main.ElaborateDrops.before.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
no_spurious_drop_after_call.main.ElaborateDrops.before.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
no_spurious_drop_after_call.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
not_equal_false.opt.InstSimplify.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
not_equal_false.rs
nrvo_miscompile_111005.rs
nrvo_miscompile_111005.wrong.RenameReturnPlace.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
nrvo_simple.nrvo.RenameReturnPlace.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
nrvo_simple.nrvo.RenameReturnPlace.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
nrvo_simple.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
packed_struct_drop_aligned.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
README.md
reference_prop.debuginfo.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.dominate_storage.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.maybe_dead.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.multiple_storage.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.read_through_raw.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.reference_propagation_mut.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.reference_propagation.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
reference_prop.rs Add multiple borrow test. 2023-05-13 10:32:32 +00:00
reference_prop.unique_with_copies.ReferencePropagation.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_fake_borrows.match_guard.CleanupPostBorrowck.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_fake_borrows.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
remove_never_const.no_codegen.PreCodegen.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_never_const.rs
remove_storage_markers.main.RemoveStorageMarkers.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_storage_markers.main.RemoveStorageMarkers.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_storage_markers.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.dont_opt.RemoveUnneededDrops.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.opt.RemoveUnneededDrops.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.opt.RemoveUnneededDrops.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_unneeded_drops.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
remove_zsts.get_union.PreCodegen.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_zsts.get_union.RemoveZsts.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
remove_zsts.rs
retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.array_casts.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.main.SimplifyCfg-elaborate-drops.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.main.SimplifyCfg-elaborate-drops.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
retag.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
return_an_array.rs
separate_const_switch.identity.SeparateConstSwitch.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
separate_const_switch.rs Disable two mir opts that are known to be unsound 2023-06-21 07:41:09 +00:00
separate_const_switch.too_complex.SeparateConstSwitch.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_arm_identity.rs
simplify_arm.id_try.SimplifyArmIdentity.diff
simplify_arm.id_try.SimplifyBranchSame.diff
simplify_arm.rs
simplify_cfg.main.SimplifyCfg-early-opt.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_cfg.main.SimplifyCfg-initial.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_cfg.rs
simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-uninhabited-enum-branching.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_duplicate_unreachable_blocks.rs
simplify_if.main.SimplifyConstCondition-after-const-prop.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_if.main.SimplifyConstCondition-after-const-prop.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_if.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals_fixedpoint.foo.SimplifyLocals-final.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals_fixedpoint.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals_removes_unused_consts.main.SimplifyLocals-before-const-prop.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals_removes_unused_consts.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
simplify_locals_removes_unused_discriminant_reads.map.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals_removes_unused_discriminant_reads.rs
simplify_locals.c.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.d1.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.d2.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.expose_addr.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.r.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.rs
simplify_locals.t1.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.t2.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.t3.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_locals.t4.SimplifyLocals-before-const-prop.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_match.main.ConstProp.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_match.main.ConstProp.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
simplify_match.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
simplify_try_if_let.{impl#0}-append.SimplifyArmIdentity.diff
simplify_try_if_let.rs
slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
slice_drop_shim.rs
spanview_block.main.built.after.html Add <meta charset="utf-8"> to -Zdump-mir-spanview output 2023-06-17 18:31:35 +10:00
spanview_block.rs
spanview_statement.main.built.after.html Add <meta charset="utf-8"> to -Zdump-mir-spanview output 2023-06-17 18:31:35 +10:00
spanview_statement.rs
spanview_terminator.main.built.after.html Add <meta charset="utf-8"> to -Zdump-mir-spanview output 2023-06-17 18:31:35 +10:00
spanview_terminator.rs
storage_ranges.main.nll.0.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
storage_ranges.rs
switch_to_self.rs Try enabling MatchBranchSimplification 2023-05-27 13:50:13 -04:00
switch_to_self.test.MatchBranchSimplification.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
tls_access.main.PreCodegen.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
tls_access.rs
uninhabited_enum_branching2.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_enum_branching2.main.UninhabitedEnumBranching.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_enum_branching2.rs
uninhabited_enum_branching.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_enum_branching.main.UninhabitedEnumBranching.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_enum_branching.rs
uninhabited_enum.process_never.SimplifyLocals-final.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_enum.process_void.SimplifyLocals-final.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_enum.rs
uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_fallthrough_elimination.keep_fallthrough.UninhabitedEnumBranching.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
uninhabited_fallthrough_elimination.rs
unreachable_diverging.main.UnreachablePropagation.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unreachable_diverging.main.UnreachablePropagation.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unreachable_diverging.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
unreachable.main.UnreachablePropagation.panic-abort.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unreachable.main.UnreachablePropagation.panic-unwind.diff Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unreachable.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.built.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unusual_item_types.E-V-{constant#0}.built.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
unusual_item_types.rs
unusual_item_types.Test-X-{constructor#0}.built.after.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
while_storage.rs properly mark tests that require panic=abort 2023-06-12 09:34:15 +02:00
while_storage.while_loop.PreCodegen.after.panic-abort.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00
while_storage.while_loop.PreCodegen.after.panic-unwind.mir Remove comments from mir-opt MIR dumps 2023-06-15 15:19:11 -04:00

This folder contains tests for MIR optimizations.

The mir-opt test format emits MIR to extra files that you can automatically update by specifying --bless on the command line (just like ui tests updating .stderr files).

--blessable test format

By default 32 bit and 64 bit targets use the same dump files, which can be problematic in the presence of pointers in constants or other bit width dependent things. In that case you can add

// EMIT_MIR_FOR_EACH_BIT_WIDTH

to your test, causing separate files to be generated for 32bit and 64bit systems.

Unit testing

If you are only testing the behavior of a particular mir-opt pass on some specific input (as is usually the case), you should add

// unit-test: PassName

to the top of the file. This makes sure that other passes don't run which means you'll get the input you expected and your test won't break when other code changes.

Emit a diff of the mir for a specific optimization

This is what you want most often when you want to see how an optimization changes the MIR.

// EMIT_MIR $file_name_of_some_mir_dump.diff

Emit mir after a specific optimization

Use this if you are just interested in the final state after an optimization.

// EMIT_MIR $file_name_of_some_mir_dump.after.mir

Emit mir before a specific optimization

This exists mainly for completeness and is rarely useful.

// EMIT_MIR $file_name_of_some_mir_dump.before.mir