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bors e0d9f79399 Auto merge of #80851 - m-ou-se:panic-2021, r=petrochenkov 
Implement Rust 2021 panic

This implements the Rust 2021 versions of `panic!()`. See https://github.com/rust-lang/rust/issues/80162 and https://github.com/rust-lang/rfcs/pull/3007.

It does so by replacing `{std, core}::panic!()` by a bulitin macro that expands to either `$crate::panic::panic_2015!(..)` or `$crate::panic::panic_2021!(..)` depending on the edition of the caller.

This does not yet make std's panic an alias for core's panic on Rust 2021 as the RFC proposes. That will be a separate change: https://github.com/rust-lang/rust/pull/80879/commits/c5273bdfb266c35e8eab9413aa8d58d27fdbe114 That change is blocked on figuring out what to do with https://github.com/rust-lang/rust/issues/80846 first.
2021-02-01 10:25:31 +00:00
..
const_prop Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
dest-prop Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
inline Ignore a test on wasm, because that changes landing pads 2021-01-25 09:34:33 +00:00
issues Add test for #59352 2021-01-15 18:44:50 +01:00
nll Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
76803_regression.encode.SimplifyBranchSame.diff Fix #76803 2020-09-19 15:40:15 +02:00
76803_regression.rs Add regression test showcasing miscompilation 2020-09-19 15:29:09 +02:00
address-of.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
address_of.address_of_reborrow.SimplifyCfg-initial.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
address_of.borrow_and_cast.SimplifyCfg-initial.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
array-index-is-temporary.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.32bit.mir Bless mir-opt tests 2020-09-26 13:34:53 +01:00
array_index_is_temporary.main.SimplifyCfg-elaborate-drops.after.64bit.mir Bless mir-opt 32-bit tests 2020-09-26 13:34:55 +01:00
basic_assignment.main.SimplifyCfg-initial.after.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
basic_assignment.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
box_expr.main.ElaborateDrops.before.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
box_expr.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
byte_slice.main.SimplifyCfg-elaborate-drops.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
byte_slice.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
combine_array_len.norm2.InstCombine.32bit.diff Bless mir-opt tests 2020-09-26 13:34:53 +01:00
combine_array_len.norm2.InstCombine.64bit.diff Bless mir-opt 32-bit tests 2020-09-26 13:34:55 +01:00
combine_array_len.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
const-promotion-extern-static.rs Stop optimizing promoteds 2021-01-04 21:40:38 +00:00
const_allocation.main.ConstProp.after.32bit.mir Stop optimizing promoteds 2021-01-04 21:40:38 +00:00
const_allocation.main.ConstProp.after.64bit.mir Stop optimizing promoteds 2021-01-04 21:40:38 +00:00
const_allocation.rs compiletest: ignore-endian-big, fixes #74829, fixes #74885 2020-07-31 12:58:37 +01:00
const_allocation2.main.ConstProp.after.32bit.mir Keep an unoptimized duplicate of const fn around 2021-01-04 21:40:38 +00:00
const_allocation2.main.ConstProp.after.64bit.mir Keep an unoptimized duplicate of const fn around 2021-01-04 21:40:38 +00:00
const_allocation2.rs compiletest: ignore-endian-big, fixes #74829, fixes #74885 2020-07-31 12:58:37 +01:00
const_allocation3.main.ConstProp.after.32bit.mir Keep an unoptimized duplicate of const fn around 2021-01-04 21:40:38 +00:00
const_allocation3.main.ConstProp.after.64bit.mir Keep an unoptimized duplicate of const fn around 2021-01-04 21:40:38 +00:00
const_allocation3.rs compiletest: ignore-endian-big, fixes #74829, fixes #74885 2020-07-31 12:58:37 +01:00
const_debuginfo.main.ConstDebugInfo.diff [mir-opt] Allow debuginfo to be generated for a constant or a Place 2020-12-06 20:48:25 -05:00
const_debuginfo.rs Disable the constant debuginfo promotion pass by default 2020-12-14 19:56:10 -05:00
const_promotion_extern_static.BAR-promoted[0].SimplifyCfg-elaborate-drops.after.mir Stop optimizing promoteds 2021-01-04 21:40:38 +00:00
const_promotion_extern_static.BAR.PromoteTemps.diff Also generate StorageDead in constants 2020-12-09 10:59:10 +00:00
const_promotion_extern_static.BOP.mir_map.0.mir Also generate StorageDead in constants 2020-12-09 10:59:10 +00:00
const_promotion_extern_static.FOO-promoted[0].SimplifyCfg-elaborate-drops.after.mir Stop optimizing promoteds 2021-01-04 21:40:38 +00:00
const_promotion_extern_static.FOO.PromoteTemps.diff Also generate StorageDead in constants 2020-12-09 10:59:10 +00:00
const_prop_miscompile.bar.ConstProp.diff Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
const_prop_miscompile.foo.ConstProp.diff Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
const_prop_miscompile.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
coverage_graphviz.bar.InstrumentCoverage.0.dot Fixed conflict with drop elaboration and coverage 2020-12-15 23:33:47 -08:00
coverage_graphviz.main.InstrumentCoverage.0.dot Bless profile targets 2021-01-09 18:15:54 -03:00
coverage_graphviz.rs Adds coverage graphviz 2020-11-05 18:24:14 -08:00
deaggregator_test.bar.Deaggregator.diff Suppress ty::Float in MIR comments of ty::Const 2020-08-20 16:03:09 +00:00
deaggregator_test.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
deaggregator_test_enum.bar.Deaggregator.diff Move mir-opt tests to toplevel 2020-07-29 17:36:03 +02:00
deaggregator_test_enum.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
deaggregator_test_enum_2.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
deaggregator_test_enum_2.test1.Deaggregator.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
deaggregator_test_multiple.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
deaggregator_test_multiple.test.Deaggregator.diff Move mir-opt tests to toplevel 2020-07-29 17:36:03 +02:00
early_otherwise_branch.opt1.EarlyOtherwiseBranch.diff add cleanup of cfg 2020-09-20 14:45:47 +02:00
early_otherwise_branch.opt2.EarlyOtherwiseBranch.diff add cleanup of cfg 2020-09-20 14:45:47 +02:00
early_otherwise_branch.rs replace usize with u32 to make it easier to bless 2020-09-20 14:45:46 +02:00
early_otherwise_branch_3_element_tuple.opt1.EarlyOtherwiseBranch.diff add cleanup of cfg 2020-09-20 14:45:47 +02:00
early_otherwise_branch_3_element_tuple.rs replace usize with u32 to make it easier to bless 2020-09-20 14:45:46 +02:00
early_otherwise_branch_68867.rs Remove the old copy propagation pass 2020-10-17 02:25:31 +02:00
early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.before-SimplifyBranches-final.after.diff Remove the old copy propagation pass 2020-10-17 02:25:31 +02:00
early_otherwise_branch_68867.try_sum.EarlyOtherwiseBranch.diff Bless mir-opt tests 2020-10-04 07:54:02 -04:00
early_otherwise_branch_noopt.noopt1.EarlyOtherwiseBranch.diff bless 2020-09-20 14:45:46 +02:00
early_otherwise_branch_noopt.noopt2.EarlyOtherwiseBranch.diff bless 2020-09-20 14:45:46 +02:00
early_otherwise_branch_noopt.rs replace usize with u32 to make it easier to bless 2020-09-20 14:45:46 +02:00
equal_true.opt.InstCombine.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
equal_true.rs Generalize to Eq(true, _place) and Eq(_place, true) 2020-09-06 11:51:44 +02:00
exponential-or.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
exponential_or.match_tuple.SimplifyCfg-initial.after.mir pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
fn-ptr-shim.rs Validate the MIR of all optimizations in the mir-opt directory 2020-08-18 13:01:00 +02:00
fn_ptr_shim.core.ops-function-Fn-call.AddMovesForPackedDrops.before.mir shim: monomorphic FnPtrShims during construction 2020-09-04 13:00:49 +01:00
funky_arms.float_to_exponential_common.ConstProp.diff pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
funky_arms.rs move Deaggregate pass to post_borrowck_cleanup 2020-08-11 17:09:15 +02:00
generator-drop-cleanup.rs Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
generator-storage-dead-unwind.rs Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
generator-tiny.rs Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
generator_drop_cleanup.main-{closure#0}.generator_drop.0.mir Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
generator_tiny.main-{closure#0}.generator_resume.0.mir Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
graphviz.main.mir_map.0.dot Updates to experimental coverage counter injection 2020-10-05 08:02:58 -07:00
graphviz.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
if-condition-int.rs New pass to optimize ifconditions on integrals to switches on the integer 2020-08-29 13:42:19 +02:00
if_condition_int.dont_opt_bool.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
if_condition_int.dont_opt_floats.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
if_condition_int.dont_remove_comparison.SimplifyComparisonIntegral.diff New pass to optimize ifconditions on integrals to switches on the integer 2020-08-29 13:42:19 +02:00
if_condition_int.opt_char.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
if_condition_int.opt_i8.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
if_condition_int.opt_multiple_ifs.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
if_condition_int.opt_negative.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
if_condition_int.opt_u32.SimplifyComparisonIntegral.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
inst_combine_deref.deep_opt.InstCombine.diff Run the test with explicit -O such that Add is generated instead of CheckedAdd 2020-09-21 22:15:30 +02:00
inst_combine_deref.do_not_miscompile.InstCombine.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
inst_combine_deref.dont_opt.InstCombine.diff Run the test with explicit -O such that Add is generated instead of CheckedAdd 2020-09-21 22:15:30 +02:00
inst_combine_deref.opt_struct.InstCombine.diff Run the test with explicit -O such that Add is generated instead of CheckedAdd 2020-09-21 22:15:30 +02:00
inst_combine_deref.simple_opt.InstCombine.diff Run the test with explicit -O such that Add is generated instead of CheckedAdd 2020-09-21 22:15:30 +02:00
instrument_coverage.bar.InstrumentCoverage.diff Fixed conflict with drop elaboration and coverage 2020-12-15 23:33:47 -08:00
instrument_coverage.main.InstrumentCoverage.diff Bless profile targets 2021-01-09 18:15:54 -03:00
instrument_coverage.rs Rust coverage before splitting instrument_coverage.rs 2020-11-05 18:24:12 -08:00
issue-38669.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-41110.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-41697.rs Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
issue-41888.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-49232.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-62289.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-72181-1.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-72181.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-73223.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
issue-78192.rs Check which places are dead 2020-10-22 22:23:56 +02:00
issue_38669.main.SimplifyCfg-initial.after.mir Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
issue_41110.main.ElaborateDrops.after.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
issue_41110.test.ElaborateDrops.after.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_41697.{impl#0}-{constant#0}.SimplifyCfg-promote-consts.after.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_41888.main.ElaborateDrops.after.mir Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
issue_49232.main.mir_map.0.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_62289.test.ElaborateDrops.before.mir Avoid leaking block expression values 2020-12-04 23:07:46 +00:00
issue_72181.bar.mir_map.0.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181.bar.mir_map.0.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181.foo.mir_map.0.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181.foo.mir_map.0.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181.main.mir_map.0.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181.main.mir_map.0.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181_1.f.mir_map.0.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_72181_1.main.mir_map.0.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
issue_73223.main.PreCodegen.32bit.diff Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
issue_73223.main.PreCodegen.64bit.diff Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
issue_73223.main.SimplifyArmIdentity.32bit.diff Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
issue_73223.main.SimplifyArmIdentity.64bit.diff Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
issue_76432.rs Fix #76432 2020-09-13 10:47:20 +02:00
issue_76432.test.SimplifyComparisonIntegral.diff Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
issue_78192.f.InstCombine.diff Check which places are dead 2020-10-22 22:23:56 +02:00
loop_test.main.SimplifyCfg-promote-consts.after.mir Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
loop_test.rs mir building: fix some comments 2020-08-18 13:14:38 +02:00
lower_intrinsics.discriminant.LowerIntrinsics.diff Always run intrinsics lowering pass 2020-12-15 00:00:00 +00:00
lower_intrinsics.f_u64.PreCodegen.before.mir Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
lower_intrinsics.f_unit.PreCodegen.before.mir Lower intrinsics calls: forget, size_of, unreachable, wrapping_* 2020-11-14 00:00:00 +00:00
lower_intrinsics.forget.LowerIntrinsics.diff Make forget intrinsic safe 2020-12-29 00:00:00 +00:00
lower_intrinsics.non_const.LowerIntrinsics.diff Always run intrinsics lowering pass 2020-12-15 00:00:00 +00:00
lower_intrinsics.rs Make forget intrinsic safe 2020-12-29 00:00:00 +00:00
lower_intrinsics.size_of.LowerIntrinsics.diff Always run intrinsics lowering pass 2020-12-15 00:00:00 +00:00
lower_intrinsics.unreachable.LowerIntrinsics.diff Always run intrinsics lowering pass 2020-12-15 00:00:00 +00:00
lower_intrinsics.wrapping.LowerIntrinsics.diff Always run intrinsics lowering pass 2020-12-15 00:00:00 +00:00
match-arm-scopes.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
match_arm_scopes.complicated_match.SimplifyCfg-initial.after-ElaborateDrops.after.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
match_false_edges.full_tested_match.PromoteTemps.after.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
match_false_edges.full_tested_match2.PromoteTemps.before.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
match_false_edges.main.PromoteTemps.before.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
match_false_edges.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
match_test.main.SimplifyCfg-initial.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
match_test.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
matches_reduce_branches.bar.MatchBranchSimplification.32bit.diff Introduce a temporary for discriminant value in MatchBranchSimplification 2020-10-21 00:00:00 +00:00
matches_reduce_branches.bar.MatchBranchSimplification.64bit.diff Introduce a temporary for discriminant value in MatchBranchSimplification 2020-10-21 00:00:00 +00:00
matches_reduce_branches.foo.MatchBranchSimplification.32bit.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
matches_reduce_branches.foo.MatchBranchSimplification.64bit.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
matches_reduce_branches.match_nested_if.MatchBranchSimplification.32bit.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
matches_reduce_branches.match_nested_if.MatchBranchSimplification.64bit.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
matches_reduce_branches.rs Introduce a temporary for discriminant value in MatchBranchSimplification 2020-10-21 00:00:00 +00:00
matches_u8.exhaustive_match.MatchBranchSimplification.32bit.diff Rename 32 bit mir files to be more tool friendly 2020-09-17 21:49:21 +01:00
matches_u8.exhaustive_match.MatchBranchSimplification.64bit.diff Rename 64 bit mir files to be more tool friendly 2020-09-17 21:35:21 +01:00
matches_u8.exhaustive_match_i8.MatchBranchSimplification.32bit.diff Rename 32 bit mir files to be more tool friendly 2020-09-17 21:49:21 +01:00
matches_u8.exhaustive_match_i8.MatchBranchSimplification.64bit.diff Rename 64 bit mir files to be more tool friendly 2020-09-17 21:35:21 +01:00
matches_u8.rs Add fix 2020-08-14 01:03:16 +00:00
multiple_return_terminators.rs Add test for multiple terminator optimization 2020-10-01 10:08:09 +02:00
multiple_return_terminators.test.MultipleReturnTerminators.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
no-drop-for-inactive-variant.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
no-spurious-drop-after-call.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.mir Implement new panic!() behaviour for Rust 2021. 2021-01-25 13:48:11 +01:00
no_spurious_drop_after_call.main.ElaborateDrops.before.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
not_equal_false.opt.InstCombine.diff Introduce a temporary for discriminant value in MatchBranchSimplification 2020-10-21 00:00:00 +00:00
not_equal_false.rs Add peephold optimization that simplifies Ne(_1, false) and Ne(false, _1) into _1 2020-09-06 11:51:44 +02:00
nrvo-simple.rs Remove unnecessary -Zunsound-mir-opts uses in tests 2020-09-27 19:29:15 -04:00
nrvo_simple.nrvo.RenameReturnPlace.diff Make nrvo-simple set mir-opt-level=1 2020-09-18 21:23:00 +02:00
packed-struct-drop-aligned.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
packed_struct_drop_aligned.main.SimplifyCfg-elaborate-drops.after.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
README.md Remove old mir-opt test format. 2020-04-07 18:02:11 +00:00
remove-never-const.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
remove_fake_borrows.match_guard.CleanupNonCodegenStatements.diff pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
remove_fake_borrows.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
remove_never_const.no_codegen.PreCodegen.after.mir Move mir-opt tests to toplevel 2020-07-29 17:36:03 +02:00
remove_unneeded_drops.cannot_opt_generic.RemoveUnneededDrops.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
remove_unneeded_drops.dont_opt.RemoveUnneededDrops.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
remove_unneeded_drops.opt.RemoveUnneededDrops.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
remove_unneeded_drops.opt_generic_copy.RemoveUnneededDrops.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
remove_unneeded_drops.rs Ignore test on wasm as it does not unwind 2020-09-23 18:25:55 +02:00
retag.core.ptr-drop_in_place.Test.SimplifyCfg-make_shim.after.mir pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
retag.main-{closure#0}.SimplifyCfg-elaborate-drops.after.mir Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
retag.main.SimplifyCfg-elaborate-drops.after.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
retag.rs Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
retag.{impl#0}-foo.SimplifyCfg-elaborate-drops.after.mir Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
retag.{impl#0}-foo_shr.SimplifyCfg-elaborate-drops.after.mir Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
return_an_array.rs Remove licenses 2018-12-25 21:08:33 -07:00
rustc.try_identity.DestinationPropagation.diff simplify_try: clean up test 2020-09-18 21:23:00 +02:00
simple-match.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simple_match.match_bool.mir_map.0.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
simple_match.match_bool.mir_map.0.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
simplify-arm-identity.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simplify-arm.rs Disable the SimplifyArmIdentity mir-opt 2020-10-01 20:29:53 -04:00
simplify-locals-fixedpoint.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simplify-locals-removes-unused-consts.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simplify-locals-removes-unused-discriminant-reads.rs Disable the SimplifyArmIdentity mir-opt 2020-10-01 20:29:53 -04:00
simplify-locals.rs simplify-locals: Add yet to be optimized test cases 2020-10-26 00:00:00 +00:00
simplify_arm.id.SimplifyArmIdentity.diff pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
simplify_arm.id.SimplifyBranchSame.diff Fix #76803 2020-09-19 15:40:15 +02:00
simplify_arm.id_result.SimplifyArmIdentity.diff Implement 'considered equal' for statements, so that for example _0 = _1 and discriminant(_0) = discriminant(0) are considered equal if 0 is a fieldless variant of an enum 2020-08-16 22:04:58 +02:00
simplify_arm.id_result.SimplifyBranchSame.diff Implement 'considered equal' for statements, so that for example _0 = _1 and discriminant(_0) = discriminant(0) are considered equal if 0 is a fieldless variant of an enum 2020-08-16 22:04:58 +02:00
simplify_arm.id_try.SimplifyArmIdentity.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
simplify_arm.id_try.SimplifyBranchSame.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
simplify_arm_identity.main.SimplifyArmIdentity.32bit.diff Rename 32 bit mir files to be more tool friendly 2020-09-17 21:49:21 +01:00
simplify_arm_identity.main.SimplifyArmIdentity.64bit.diff Rename 64 bit mir files to be more tool friendly 2020-09-17 21:35:21 +01:00
simplify_cfg.main.SimplifyCfg-early-opt.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
simplify_cfg.main.SimplifyCfg-initial.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
simplify_cfg.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simplify_if.main.SimplifyBranches-after-const-prop.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
simplify_if.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simplify_locals.c.SimplifyLocals.diff simplify-locals: Remove unused assignments regardless of rvalue kind 2020-10-26 10:48:28 +01:00
simplify_locals.d1.SimplifyLocals.diff simplify-locals: Remove unused set-discriminant statements 2020-10-26 10:41:44 +01:00
simplify_locals.d2.SimplifyLocals.diff simplify-locals: Remove unused set-discriminant statements 2020-10-26 10:41:44 +01:00
simplify_locals.r.SimplifyLocals.diff simplify-locals: Remove unused assignments regardless of rvalue kind 2020-10-26 10:48:28 +01:00
simplify_locals.t1.SimplifyLocals.diff simplify-locals: Remove unused assignments regardless of rvalue kind 2020-10-26 10:48:28 +01:00
simplify_locals.t2.SimplifyLocals.diff simplify-locals: Remove unused assignments regardless of rvalue kind 2020-10-26 10:48:28 +01:00
simplify_locals.t3.SimplifyLocals.diff simplify-locals: Remove unused assignments regardless of rvalue kind 2020-10-26 10:48:28 +01:00
simplify_locals.t4.SimplifyLocals.diff simplify-locals: Add yet to be optimized test cases 2020-10-26 00:00:00 +00:00
simplify_locals_fixedpoint.foo.SimplifyLocals.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
simplify_locals_removes_unused_consts.main.SimplifyLocals.diff Addressed feedbacks 2020-12-23 18:55:37 +00:00
simplify_locals_removes_unused_discriminant_reads.map.SimplifyLocals.32bit.diff Disable the SimplifyArmIdentity mir-opt 2020-10-01 20:29:53 -04:00
simplify_locals_removes_unused_discriminant_reads.map.SimplifyLocals.64bit.diff Disable the SimplifyArmIdentity mir-opt 2020-10-01 20:29:53 -04:00
simplify_match.main.ConstProp.diff Suppress "const" prefix of FnDef in MIR dump 2020-08-21 00:36:49 +00:00
simplify_match.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
simplify_try.rs Disable the SimplifyArmIdentity mir-opt 2020-10-01 20:29:53 -04:00
simplify_try.try_identity.DestinationPropagation.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
simplify_try.try_identity.SimplifyArmIdentity.diff Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
simplify_try.try_identity.SimplifyBranchSame.after.mir Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
simplify_try.try_identity.SimplifyLocals.after.mir Show the inline stack of MIR lints that only occur after inlining 2020-10-27 14:08:07 +00:00
simplify_try_if_let.rs Ignore now-broken mir-opt test 2020-10-02 16:50:45 +02:00
simplify_try_if_let.{impl#0}-append.SimplifyArmIdentity.diff Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
slice-drop-shim.rs pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.32bit.mir Rename 32 bit mir files to be more tool friendly 2020-09-17 21:49:21 +01:00
slice_drop_shim.core.ptr-drop_in_place.[String].AddMovesForPackedDrops.before.64bit.mir Rename 64 bit mir files to be more tool friendly 2020-09-17 21:35:21 +01:00
spanview-block.rs Add new -Z dump-mir-spanview option 2020-08-31 22:57:55 -07:00
spanview-statement.rs Add new -Z dump-mir-spanview option 2020-08-31 22:57:55 -07:00
spanview-terminator.rs Add new -Z dump-mir-spanview option 2020-08-31 22:57:55 -07:00
spanview_block.main.mir_map.0.html Updates to experimental coverage counter injection 2020-10-05 08:02:58 -07:00
spanview_statement.main.mir_map.0.html Updates to experimental coverage counter injection 2020-10-05 08:02:58 -07:00
spanview_terminator.main.mir_map.0.html Updates to experimental coverage counter injection 2020-10-05 08:02:58 -07:00
storage_live_dead_in_statics.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
storage_live_dead_in_statics.XXX.mir_map.0.mir Also generate StorageDead in constants 2020-12-09 10:59:10 +00:00
storage_ranges.main.nll.0.mir pretty: trim paths of unique symbols 2020-09-02 22:26:37 +03:00
storage_ranges.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
tls-access.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
tls_access.main.SimplifyCfg-final.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
uniform_array_move_out.move_out_by_subslice.mir_map.0.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
uniform_array_move_out.move_out_from_end.mir_map.0.mir Use record_operands_moved more aggresively 2020-12-04 22:22:52 +00:00
uniform_array_move_out.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
uninhabited-enum.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
uninhabited_enum.process_never.SimplifyLocals.after.mir Move mir-opt tests to toplevel 2020-07-29 17:36:03 +02:00
uninhabited_enum.process_void.SimplifyLocals.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
uninhabited_enum_branching.main.SimplifyCfg-after-uninhabited-enum-branching.after.mir Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
uninhabited_enum_branching.main.UninhabitedEnumBranching.diff Suppress MIR comments of Unit type 2020-08-20 09:32:35 +00:00
uninhabited_enum_branching.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
unreachable.main.UnreachablePropagation.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
unreachable.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
unreachable_asm.main.UnreachablePropagation.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
unreachable_asm.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
unreachable_asm_2.main.UnreachablePropagation.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
unreachable_asm_2.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
unreachable_diverging.main.UnreachablePropagation.diff Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00
unreachable_diverging.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
unusual-item-types.rs Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
unusual_item_types.core.ptr-drop_in_place.Vec_i32_.AddMovesForPackedDrops.before.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
unusual_item_types.E-V-{constant#0}.mir_map.0.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
unusual_item_types.E-V-{constant#0}.mir_map.0.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
unusual_item_types.Test-X-{constructor#0}.mir_map.0.32bit.mir Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
unusual_item_types.Test-X-{constructor#0}.mir_map.0.64bit.mir Move from {{closure}}#0 syntax to {closure#0} for (def) path components 2020-09-25 22:46:14 +01:00
unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.mir_map.0.32bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
unusual_item_types.{impl#0}-ASSOCIATED_CONSTANT.mir_map.0.64bit.mir Bless mir-opt tests 2020-10-04 07:54:02 -04:00
while-storage.rs add crate name to mir dumps 2020-07-29 13:41:11 +02:00
while_let_loops.change_loop_body.ConstProp.32bit.diff Rename 32 bit mir files to be more tool friendly 2020-09-17 21:49:21 +01:00
while_let_loops.change_loop_body.ConstProp.64bit.diff Rename 64 bit mir files to be more tool friendly 2020-09-17 21:35:21 +01:00
while_let_loops.change_loop_body.PreCodegen.after.32bit.mir Disable the constant debuginfo promotion pass by default 2020-12-14 19:56:10 -05:00
while_let_loops.change_loop_body.PreCodegen.after.64bit.mir Disable the constant debuginfo promotion pass by default 2020-12-14 19:56:10 -05:00
while_let_loops.rs move Deaggregate pass to post_borrowck_cleanup 2020-08-11 17:09:15 +02:00
while_storage.while_loop.PreCodegen.after.mir Reintroduce hir::ExprKind::If 2021-01-07 18:54:12 -03:00

README.md

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.

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