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359bfa901b9d8eddbed7b88b6716dbb77b7bfb95
rust/tests/mir-opt/inline
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bors 8b6b15b877 Auto merge of #142771 - dianqk:mir-stmt-debuginfo, r=cjgillot 
Introduce debuginfo to statements in MIR

The PR introduces support for debug information within dead statements. Currently, only the reference statement is supported, which is sufficient to fix rust-lang/rust#128081.

I don't modify Stable MIR, as I don't think we need debug information when using it.

This PR represents the debug information for the dead reference statement via `#dbg_value`. For example, `let _foo_b = &foo.b` becomes `#dbg_value(ptr %foo, !22, !DIExpression(DW_OP_plus_uconst, 4, DW_OP_stack_value), !26)`. You can see this here: https://rust.godbolt.org/z/d43js6adv.

The general principle for handling debug information is to never provide less debug information than the optimized LLVM IR.

The current rules for dropping debug information in this PR are:

- If the LLVM IR cannot represent a reference address, it's replaced with poison or simply dropped. For example, see: https://rust.godbolt.org/z/shGqPec8W. I'm using poison in all such cases now.
- All debuginfos is dropped when merging multiple successor BBs. An example is available here: https://rust.godbolt.org/z/TE1q3Wq6M.

I doesn't drop debuginfos in `MatchBranchSimplification`, because LLVM also pick one branch for it.
2025-10-03 11:49:42 +00:00
..
asm_unwind.main.Inline.panic-abort.diff
make MIR less verbose
2023-08-24 14:26:26 +02:00
asm_unwind.main.Inline.panic-unwind.diff
Remove MIR unsafe check
2024-04-03 08:50:12 +00:00
asm_unwind.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
caller_with_trivial_bound.foo.Inline.panic-unwind.diff
Bless tests
2023-06-23 18:36:25 +01:00
caller_with_trivial_bound.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
cycle.f.Inline.panic-abort.diff
Remove comments from mir-opt MIR dumps
2023-06-15 15:19:11 -04:00
cycle.f.Inline.panic-unwind.diff
make MIR less verbose
2023-08-24 14:26:26 +02:00
cycle.g.Inline.panic-abort.diff
Use a better set of targets for blessing mir-opt tests
2024-02-06 23:36:05 -05:00
cycle.g.Inline.panic-unwind.diff
Use a better set of targets for blessing mir-opt tests
2024-02-06 23:36:05 -05:00
cycle.main.Inline.panic-abort.diff
Remove semi-nondeterminism of DefPathHash ordering from inliner
2024-09-16 21:41:15 -04:00
cycle.main.Inline.panic-unwind.diff
Remove semi-nondeterminism of DefPathHash ordering from inliner
2024-09-16 21:41:15 -04:00
cycle.rs
Only inherit local hash for paths.
2025-06-22 20:25:55 +00:00
dont_ice_on_generic_rust_call.call.Inline.panic-abort.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
dont_ice_on_generic_rust_call.call.Inline.panic-unwind.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
dont_ice_on_generic_rust_call.rs
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
dyn_trait.get_query.Inline.panic-abort.diff
be even more precise about "cast" vs "coercion"
2024-09-24 23:12:02 +02:00
dyn_trait.get_query.Inline.panic-unwind.diff
be even more precise about "cast" vs "coercion"
2024-09-24 23:12:02 +02:00
dyn_trait.mk_cycle.Inline.panic-abort.diff
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
dyn_trait.mk_cycle.Inline.panic-unwind.diff
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
dyn_trait.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
dyn_trait.try_execute_query.Inline.panic-abort.diff
be even more precise about "cast" vs "coercion"
2024-09-24 23:12:02 +02:00
dyn_trait.try_execute_query.Inline.panic-unwind.diff
be even more precise about "cast" vs "coercion"
2024-09-24 23:12:02 +02:00
exponential_runtime.main.Inline.panic-abort.diff
Fix insertion of statements to be executed along return edge in inlining
2023-11-20 09:27:30 +01:00
exponential_runtime.main.Inline.panic-unwind.diff
Fix insertion of statements to be executed along return edge in inlining
2023-11-20 09:27:30 +01:00
exponential_runtime.rs
Allow more top-down inlining for single-BB callees
2025-03-12 22:39:43 -07:00
forced_async.caller.ForceInline.panic-abort.diff
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced_async.caller.ForceInline.panic-unwind.diff
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced_async.rs
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced_closure_inherent.caller-{closure#0}.ForceInline.panic-abort.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_closure_inherent.caller-{closure#0}.ForceInline.panic-unwind.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_closure_inherent.rs
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_closure.caller-{closure#0}.ForceInline.panic-abort.diff
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced_closure.caller-{closure#0}.ForceInline.panic-unwind.diff
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced_closure.rs
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced_dead_code.caller.ForceInline.panic-abort.diff
don't collect #[rustc_force_inline] in eager mode
2025-01-10 18:37:57 +00:00
forced_dead_code.caller.ForceInline.panic-unwind.diff
don't collect #[rustc_force_inline] in eager mode
2025-01-10 18:37:57 +00:00
forced_dead_code.rs
don't collect #[rustc_force_inline] in eager mode
2025-01-10 18:37:57 +00:00
forced_inherent_ambiguous.caller.ForceInline.panic-abort.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_ambiguous.caller.ForceInline.panic-unwind.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_ambiguous.rs
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_async.caller.ForceInline.panic-abort.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_async.caller.ForceInline.panic-unwind.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_async.rs
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_dead_code.caller.ForceInline.panic-abort.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_dead_code.caller.ForceInline.panic-unwind.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent_dead_code.rs
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent.caller.ForceInline.panic-abort.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent.caller.ForceInline.panic-unwind.diff
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced_inherent.rs
Extends rustc_force_inline to inherent methods
2025-10-02 11:30:11 +01:00
forced.caller.ForceInline.panic-abort.diff
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced.caller.ForceInline.panic-unwind.diff
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
forced.rs
mir_transform: implement forced inlining
2025-01-10 18:37:54 +00:00
indirect_destination.rs
mir-opt tests: rename unit-test -> test-mir-pass
2024-04-20 13:19:34 +02:00
inline_any_operand.bar.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_any_operand.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
inline_async.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
inline_box_fn.call.Inline.panic-abort.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
inline_box_fn.call.Inline.panic-unwind.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
inline_box_fn.rs
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
inline_closure_borrows_arg.foo.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_closure_borrows_arg.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
inline_closure_captures.foo.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_closure_captures.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
inline_closure.foo.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_closure.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
inline_compatibility.rs
Remove the no_sanitize attribute in favor of sanitize
2025-08-18 08:45:28 +00:00
inline_coroutine.main.Inline.panic-abort.diff
Update tests.
2025-04-15 11:14:23 +02:00
inline_coroutine.main.Inline.panic-unwind.diff
Update tests.
2025-04-15 11:14:23 +02:00
inline_coroutine.rs
Error on using yield without also using #[coroutine] on the closure
2024-04-24 08:05:29 +00:00
inline_cycle_generic.main.Inline.panic-abort.diff
Remove semi-nondeterminism of DefPathHash ordering from inliner
2024-09-16 21:41:15 -04:00
inline_cycle_generic.main.Inline.panic-unwind.diff
Remove semi-nondeterminism of DefPathHash ordering from inliner
2024-09-16 21:41:15 -04:00
inline_cycle_generic.rs
rustfmt tests/mir-opt.
2024-06-03 14:17:16 +10:00
inline_cycle.one.Inline.panic-abort.diff
Remove comments from mir-opt MIR dumps
2023-06-15 15:19:11 -04:00
inline_cycle.one.Inline.panic-unwind.diff
Bless tests
2023-06-23 18:36:25 +01:00
inline_cycle.rs
rustfmt tests/mir-opt.
2024-06-03 14:17:16 +10:00
inline_cycle.two.Inline.panic-abort.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
inline_cycle.two.Inline.panic-unwind.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
inline_diverging.f.Inline.panic-abort.diff
Remove comments from mir-opt MIR dumps
2023-06-15 15:19:11 -04:00
inline_diverging.f.Inline.panic-unwind.diff
Bless tests
2023-06-23 18:36:25 +01:00
inline_diverging.g.Inline.panic-abort.diff
Give an AllocId to ConstValue::Slice.
2025-07-23 23:54:37 +00:00
inline_diverging.g.Inline.panic-unwind.diff
Give an AllocId to ConstValue::Slice.
2025-07-23 23:54:37 +00:00
inline_diverging.h.Inline.panic-abort.diff
Allow more top-down inlining for single-BB callees
2025-03-12 22:39:43 -07:00
inline_diverging.h.Inline.panic-unwind.diff
Allow more top-down inlining for single-BB callees
2025-03-12 22:39:43 -07:00
inline_diverging.rs
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
inline_instruction_set.default.Inline.diff
Remove MIR unsafe check
2024-04-03 08:50:12 +00:00
inline_instruction_set.rs
tests: {Meta,Pointee}Sized in non-minicore tests
2025-06-16 23:04:33 +00:00
inline_instruction_set.t32.Inline.diff
Remove comments from mir-opt MIR dumps
2023-06-15 15:19:11 -04:00
inline_more_in_non_inline.marked_inline_direct.Inline.after.panic-abort.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_more_in_non_inline.marked_inline_direct.Inline.after.panic-unwind.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_more_in_non_inline.marked_inline_indirect.Inline.after.panic-abort.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_more_in_non_inline.marked_inline_indirect.Inline.after.panic-unwind.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_more_in_non_inline.monomorphic_not_inline.Inline.after.panic-abort.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_more_in_non_inline.monomorphic_not_inline.Inline.after.panic-unwind.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_more_in_non_inline.rs
Avoid MIR bloat in inlining
2024-07-01 05:17:13 -07:00
inline_options.main.Inline.after.panic-abort.mir
Remove comments from mir-opt MIR dumps
2023-06-15 15:19:11 -04:00
inline_options.main.Inline.after.panic-unwind.mir
Bless tests
2023-06-23 18:36:25 +01:00
inline_options.rs
rustfmt tests/mir-opt.
2024-06-03 14:17:16 +10:00
inline_retag.bar.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_retag.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
inline_shims.clone.Inline.panic-abort.diff
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_shims.clone.Inline.panic-unwind.diff
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_shims.drop.Inline.panic-abort.diff
mir-opt: Eliminate dead statements even if they are used by debuginfos
2025-10-02 14:58:59 +08:00
inline_shims.drop.Inline.panic-unwind.diff
mir-opt: Eliminate trivial unnecessary storage annotations
2025-10-02 14:55:51 +08:00
inline_shims.rs
remove intrinsics::drop_in_place
2025-04-22 14:06:09 +02:00
inline_specialization.main.Inline.panic-abort.diff
Remove comments from mir-opt MIR dumps
2023-06-15 15:19:11 -04:00
inline_specialization.main.Inline.panic-unwind.diff
Bless tests
2023-06-23 18:36:25 +01:00
inline_specialization.rs
rustfmt tests/mir-opt.
2024-06-03 14:17:16 +10:00
inline_trait_method_2.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
inline_trait_method_2.test2.Inline.after.panic-abort.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_trait_method_2.test2.Inline.after.panic-unwind.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_trait_method.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
inline_trait_method.test.Inline.after.panic-abort.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
inline_trait_method.test.Inline.after.panic-unwind.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
issue_58867_inline_as_ref_as_mut.a.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
issue_58867_inline_as_ref_as_mut.b.Inline.after.mir
[mir-opt] GVN some more transmute cases
2025-01-08 18:46:30 -08:00
issue_58867_inline_as_ref_as_mut.c.Inline.after.mir
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
issue_58867_inline_as_ref_as_mut.d.Inline.after.mir
[mir-opt] GVN some more transmute cases
2025-01-08 18:46:30 -08:00
issue_58867_inline_as_ref_as_mut.rs
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
issue_76997_inline_scopes_parenting.main.Inline.after.mir
At debuginfo=0, don't inline debuginfo when inlining
2024-04-18 09:35:35 -07:00
issue_76997_inline_scopes_parenting.rs
rustfmt tests/mir-opt.
2024-06-03 14:17:16 +10:00
issue_78442.bar.Inline.panic-abort.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
issue_78442.bar.Inline.panic-unwind.diff
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
issue_78442.bar.PostAnalysisNormalize.panic-abort.diff
remove remaining references to Reveal
2024-11-23 13:52:56 +01:00
issue_78442.bar.PostAnalysisNormalize.panic-unwind.diff
remove remaining references to Reveal
2024-11-23 13:52:56 +01:00
issue_78442.rs
Inline FnOnce once again
2025-03-03 23:30:18 +00:00
issue_106141.outer.Inline.panic-abort.diff
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
issue_106141.outer.Inline.panic-unwind.diff
Bless *all* the mir-opt tests
2024-08-18 16:07:33 -07:00
issue_106141.rs
rustfmt tests/mir-opt.
2024-06-03 14:17:16 +10:00
polymorphic_recursion.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
rustc_no_mir_inline.caller.Inline.panic-abort.diff
Add #[rustc_no_mir_inline] for standard library UB checks
2024-02-24 21:19:41 +01:00
rustc_no_mir_inline.caller.Inline.panic-unwind.diff
Add #[rustc_no_mir_inline] for standard library UB checks
2024-02-24 21:19:41 +01:00
rustc_no_mir_inline.caller.PreCodegen.after.panic-abort.mir
Add #[rustc_no_mir_inline] for standard library UB checks
2024-02-24 21:19:41 +01:00
rustc_no_mir_inline.caller.PreCodegen.after.panic-unwind.mir
Add #[rustc_no_mir_inline] for standard library UB checks
2024-02-24 21:19:41 +01:00
rustc_no_mir_inline.rs
Add #[rustc_no_mir_inline] for standard library UB checks
2024-02-24 21:19:41 +01:00
type_overflow.rs
Add a test for trait solver overflow in MIR inliner cycle detection
2024-08-29 16:20:08 -04:00
unchecked_shifts.rs
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-abort.diff
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shl_unsigned_smaller.Inline.panic-unwind.diff
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-abort.mir
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shl_unsigned_smaller.PreCodegen.after.panic-unwind.mir
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-abort.diff
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shr_signed_bigger.Inline.panic-unwind.diff
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-abort.mir
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unchecked_shifts.unchecked_shr_signed_bigger.PreCodegen.after.panic-unwind.mir
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unit_test.rs
mir-opt tests: rename unit-test -> test-mir-pass
2024-04-20 13:19:34 +02:00
unsized_argument.caller.Inline.diff
[mir-opt] GVN some more transmute cases
2025-01-08 18:46:30 -08:00
unsized_argument.rs
[AUTO_GENERATED] Migrate compiletest to use ui_test-style //@ directives
2024-02-22 16:04:04 +00:00
unwrap_unchecked.rs
Enable more mir-opt tests in debug builds
2024-03-22 20:14:39 -04:00
unwrap_unchecked.unwrap_unchecked.Inline.panic-abort.diff
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unwrap_unchecked.unwrap_unchecked.Inline.panic-unwind.diff
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-abort.mir
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00
unwrap_unchecked.unwrap_unchecked.PreCodegen.after.panic-unwind.mir
Add some track_caller info to precondition panics
2025-05-21 09:10:06 -04:00