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| author | bors <bors@rust-lang.org> | 2023-03-06 08:31:28 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-03-06 08:31:28 +0000 |
| commit | ac4379fea9e83465d814bb05005689f49bd2141e (patch) | |
| tree | 202064ac3cbfeee67f8a71bbd251d3ab500f5d94 | |
| parent | 8c0f83d773370150a6ea1b40b36b55566e40a73c (diff) | |
| parent | 708536bb470721e582c85e800f8ccca568cdfc7c (diff) | |
| download | rust-ac4379fea9e83465d814bb05005689f49bd2141e.tar.gz rust-ac4379fea9e83465d814bb05005689f49bd2141e.zip | |
Auto merge of #108787 - cjgillot:sroa-lifetime, r=compiler-errors
Erase regions even when failing to normalize type in MIR opts The first commit just moves the tests around. Fixes https://github.com/rust-lang/rust/issues/108720 cc `@saethlin`
23 files changed, 730 insertions, 476 deletions
diff --git a/compiler/rustc_mir_dataflow/src/value_analysis.rs b/compiler/rustc_mir_dataflow/src/value_analysis.rs index 401db890a98..34c60b5ff3c 100644 --- a/compiler/rustc_mir_dataflow/src/value_analysis.rs +++ b/compiler/rustc_mir_dataflow/src/value_analysis.rs @@ -690,7 +690,7 @@ impl Map { } // Recurse with all fields of this place. - iter_fields(ty, tcx, |variant, field, ty| { + iter_fields(ty, tcx, ty::ParamEnv::reveal_all(), |variant, field, ty| { if let Some(variant) = variant { projection.push(PlaceElem::Downcast(None, variant)); let _ = self.make_place(local, projection); @@ -939,6 +939,7 @@ impl<V, T> TryFrom<ProjectionElem<V, T>> for TrackElem { pub fn iter_fields<'tcx>( ty: Ty<'tcx>, tcx: TyCtxt<'tcx>, + param_env: ty::ParamEnv<'tcx>, mut f: impl FnMut(Option<VariantIdx>, Field, Ty<'tcx>), ) { match ty.kind() { @@ -956,14 +957,14 @@ pub fn iter_fields<'tcx>( for (f_index, f_def) in v_def.fields.iter().enumerate() { let field_ty = f_def.ty(tcx, substs); let field_ty = tcx - .try_normalize_erasing_regions(ty::ParamEnv::reveal_all(), field_ty) - .unwrap_or(field_ty); + .try_normalize_erasing_regions(param_env, field_ty) + .unwrap_or_else(|_| tcx.erase_regions(field_ty)); f(variant, f_index.into(), field_ty); } } } ty::Closure(_, substs) => { - iter_fields(substs.as_closure().tupled_upvars_ty(), tcx, f); + iter_fields(substs.as_closure().tupled_upvars_ty(), tcx, param_env, f); } _ => (), } diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs index 13168e9a268..ca2221520c8 100644 --- a/compiler/rustc_mir_transform/src/sroa.rs +++ b/compiler/rustc_mir_transform/src/sroa.rs @@ -4,7 +4,7 @@ use rustc_index::vec::IndexVec; use rustc_middle::mir::patch::MirPatch; use rustc_middle::mir::visit::*; use rustc_middle::mir::*; -use rustc_middle::ty::{Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_mir_dataflow::value_analysis::{excluded_locals, iter_fields}; pub struct ScalarReplacementOfAggregates; @@ -18,11 +18,12 @@ impl<'tcx> MirPass<'tcx> for ScalarReplacementOfAggregates { fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { debug!(def_id = ?body.source.def_id()); let mut excluded = excluded_locals(body); + let param_env = tcx.param_env_reveal_all_normalized(body.source.def_id()); loop { debug!(?excluded); let escaping = escaping_locals(&excluded, body); debug!(?escaping); - let replacements = compute_flattening(tcx, body, escaping); + let replacements = compute_flattening(tcx, param_env, body, escaping); debug!(?replacements); let all_dead_locals = replace_flattened_locals(tcx, body, replacements); if !all_dead_locals.is_empty() { @@ -144,6 +145,7 @@ impl<'tcx> ReplacementMap<'tcx> { /// The replacement will be done later in `ReplacementVisitor`. fn compute_flattening<'tcx>( tcx: TyCtxt<'tcx>, + param_env: ty::ParamEnv<'tcx>, body: &mut Body<'tcx>, escaping: BitSet<Local>, ) -> ReplacementMap<'tcx> { @@ -155,7 +157,7 @@ fn compute_flattening<'tcx>( } let decl = body.local_decls[local].clone(); let ty = decl.ty; - iter_fields(ty, tcx, |variant, field, field_ty| { + iter_fields(ty, tcx, param_env, |variant, field, field_ty| { if variant.is_some() { // Downcasts are currently not supported. return; diff --git a/tests/mir-opt/sroa.constant.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.constant.ScalarReplacementOfAggregates.diff deleted file mode 100644 index 9e33215f2b5..00000000000 --- a/tests/mir-opt/sroa.constant.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,46 +0,0 @@ -- // MIR for `constant` before ScalarReplacementOfAggregates -+ // MIR for `constant` after ScalarReplacementOfAggregates - - fn constant() -> () { - let mut _0: (); // return place in scope 0 at $DIR/sroa.rs:+0:15: +0:15 - let _1: (usize, u8); // in scope 0 at $DIR/sroa.rs:+2:9: +2:10 -+ let _4: usize; // in scope 0 at $DIR/sroa.rs:+2:9: +2:10 -+ let _5: u8; // in scope 0 at $DIR/sroa.rs:+2:9: +2:10 - scope 1 { -- debug y => _1; // in scope 1 at $DIR/sroa.rs:+2:9: +2:10 -+ debug y => (usize, u8){ .0 => _4, .1 => _5, }; // in scope 1 at $DIR/sroa.rs:+2:9: +2:10 - let _2: usize; // in scope 1 at $DIR/sroa.rs:+3:9: +3:10 - scope 2 { - debug t => _2; // in scope 2 at $DIR/sroa.rs:+3:9: +3:10 - let _3: u8; // in scope 2 at $DIR/sroa.rs:+4:9: +4:10 - scope 3 { - debug u => _3; // in scope 3 at $DIR/sroa.rs:+4:9: +4:10 - } - } - } - - bb0: { -- StorageLive(_1); // scope 0 at $DIR/sroa.rs:+2:9: +2:10 -+ StorageLive(_4); // scope 0 at $DIR/sroa.rs:+2:9: +2:10 -+ StorageLive(_5); // scope 0 at $DIR/sroa.rs:+2:9: +2:10 -+ nop; // scope 0 at $DIR/sroa.rs:+2:9: +2:10 - _1 = const _; // scope 0 at $DIR/sroa.rs:+2:13: +2:14 -+ _4 = move (_1.0: usize); // scope 1 at $DIR/sroa.rs:+3:9: +3:10 -+ _5 = move (_1.1: u8); // scope 1 at $DIR/sroa.rs:+3:9: +3:10 - StorageLive(_2); // scope 1 at $DIR/sroa.rs:+3:9: +3:10 -- _2 = (_1.0: usize); // scope 1 at $DIR/sroa.rs:+3:13: +3:16 -+ _2 = _4; // scope 1 at $DIR/sroa.rs:+3:13: +3:16 - StorageLive(_3); // scope 2 at $DIR/sroa.rs:+4:9: +4:10 -- _3 = (_1.1: u8); // scope 2 at $DIR/sroa.rs:+4:13: +4:16 -+ _3 = _5; // scope 2 at $DIR/sroa.rs:+4:13: +4:16 - _0 = const (); // scope 0 at $DIR/sroa.rs:+0:15: +5:2 - StorageDead(_3); // scope 2 at $DIR/sroa.rs:+5:1: +5:2 - StorageDead(_2); // scope 1 at $DIR/sroa.rs:+5:1: +5:2 -- StorageDead(_1); // scope 0 at $DIR/sroa.rs:+5:1: +5:2 -+ StorageDead(_4); // scope 0 at $DIR/sroa.rs:+5:1: +5:2 -+ StorageDead(_5); // scope 0 at $DIR/sroa.rs:+5:1: +5:2 -+ nop; // scope 0 at $DIR/sroa.rs:+5:1: +5:2 - return; // scope 0 at $DIR/sroa.rs:+5:2: +5:2 - } - } - diff --git a/tests/mir-opt/sroa.copies.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.copies.ScalarReplacementOfAggregates.diff deleted file mode 100644 index 976f6d44b75..00000000000 --- a/tests/mir-opt/sroa.copies.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,91 +0,0 @@ -- // MIR for `copies` before ScalarReplacementOfAggregates -+ // MIR for `copies` after ScalarReplacementOfAggregates - - fn copies(_1: Foo) -> () { - debug x => _1; // in scope 0 at $DIR/sroa.rs:+0:11: +0:12 - let mut _0: (); // return place in scope 0 at $DIR/sroa.rs:+0:19: +0:19 - let _2: Foo; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _11: u8; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _12: (); // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _13: &str; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _14: std::option::Option<isize>; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 - scope 1 { -- debug y => _2; // in scope 1 at $DIR/sroa.rs:+1:9: +1:10 -+ debug y => Foo{ .0 => _11, .1 => _12, .2 => _13, .3 => _14, }; // in scope 1 at $DIR/sroa.rs:+1:9: +1:10 - let _3: u8; // in scope 1 at $DIR/sroa.rs:+2:9: +2:10 - scope 2 { - debug t => _3; // in scope 2 at $DIR/sroa.rs:+2:9: +2:10 - let _4: &str; // in scope 2 at $DIR/sroa.rs:+3:9: +3:10 - scope 3 { - debug u => _4; // in scope 3 at $DIR/sroa.rs:+3:9: +3:10 - let _5: Foo; // in scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ let _7: u8; // in scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ let _8: (); // in scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ let _9: &str; // in scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ let _10: std::option::Option<isize>; // in scope 3 at $DIR/sroa.rs:+4:9: +4:10 - scope 4 { -- debug z => _5; // in scope 4 at $DIR/sroa.rs:+4:9: +4:10 -+ debug z => Foo{ .0 => _7, .1 => _8, .2 => _9, .3 => _10, }; // in scope 4 at $DIR/sroa.rs:+4:9: +4:10 - let _6: (); // in scope 4 at $DIR/sroa.rs:+5:9: +5:10 - scope 5 { - debug a => _6; // in scope 5 at $DIR/sroa.rs:+5:9: +5:10 - } - } - } - } - } - - bb0: { -- StorageLive(_2); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -- _2 = _1; // scope 0 at $DIR/sroa.rs:+1:13: +1:14 -+ StorageLive(_11); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ StorageLive(_12); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ StorageLive(_13); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ StorageLive(_14); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ nop; // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ _11 = (_1.0: u8); // scope 0 at $DIR/sroa.rs:+1:13: +1:14 -+ _12 = (_1.1: ()); // scope 0 at $DIR/sroa.rs:+1:13: +1:14 -+ _13 = (_1.2: &str); // scope 0 at $DIR/sroa.rs:+1:13: +1:14 -+ _14 = (_1.3: std::option::Option<isize>); // scope 0 at $DIR/sroa.rs:+1:13: +1:14 -+ nop; // scope 0 at $DIR/sroa.rs:+1:13: +1:14 - StorageLive(_3); // scope 1 at $DIR/sroa.rs:+2:9: +2:10 -- _3 = (_2.0: u8); // scope 1 at $DIR/sroa.rs:+2:13: +2:16 -+ _3 = _11; // scope 1 at $DIR/sroa.rs:+2:13: +2:16 - StorageLive(_4); // scope 2 at $DIR/sroa.rs:+3:9: +3:10 -- _4 = (_2.2: &str); // scope 2 at $DIR/sroa.rs:+3:13: +3:16 -- StorageLive(_5); // scope 3 at $DIR/sroa.rs:+4:9: +4:10 -- _5 = _2; // scope 3 at $DIR/sroa.rs:+4:13: +4:14 -+ _4 = _13; // scope 2 at $DIR/sroa.rs:+3:13: +3:16 -+ StorageLive(_7); // scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ StorageLive(_8); // scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ StorageLive(_9); // scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ StorageLive(_10); // scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ nop; // scope 3 at $DIR/sroa.rs:+4:9: +4:10 -+ _7 = _11; // scope 3 at $DIR/sroa.rs:+4:13: +4:14 -+ _8 = _12; // scope 3 at $DIR/sroa.rs:+4:13: +4:14 -+ _9 = _13; // scope 3 at $DIR/sroa.rs:+4:13: +4:14 -+ _10 = _14; // scope 3 at $DIR/sroa.rs:+4:13: +4:14 -+ nop; // scope 3 at $DIR/sroa.rs:+4:13: +4:14 - StorageLive(_6); // scope 4 at $DIR/sroa.rs:+5:9: +5:10 -- _6 = (_5.1: ()); // scope 4 at $DIR/sroa.rs:+5:13: +5:16 -+ _6 = _8; // scope 4 at $DIR/sroa.rs:+5:13: +5:16 - _0 = const (); // scope 0 at $DIR/sroa.rs:+0:19: +6:2 - StorageDead(_6); // scope 4 at $DIR/sroa.rs:+6:1: +6:2 -- StorageDead(_5); // scope 3 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_7); // scope 3 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_8); // scope 3 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_9); // scope 3 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_10); // scope 3 at $DIR/sroa.rs:+6:1: +6:2 -+ nop; // scope 3 at $DIR/sroa.rs:+6:1: +6:2 - StorageDead(_4); // scope 2 at $DIR/sroa.rs:+6:1: +6:2 - StorageDead(_3); // scope 1 at $DIR/sroa.rs:+6:1: +6:2 -- StorageDead(_2); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_11); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_12); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_13); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 -+ StorageDead(_14); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 -+ nop; // scope 0 at $DIR/sroa.rs:+6:1: +6:2 - return; // scope 0 at $DIR/sroa.rs:+6:2: +6:2 - } - } - diff --git a/tests/mir-opt/sroa.dropping.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.dropping.ScalarReplacementOfAggregates.diff deleted file mode 100644 index 17a89e7d8eb..00000000000 --- a/tests/mir-opt/sroa.dropping.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,44 +0,0 @@ -- // MIR for `dropping` before ScalarReplacementOfAggregates -+ // MIR for `dropping` after ScalarReplacementOfAggregates - - fn dropping() -> () { - let mut _0: (); // return place in scope 0 at $DIR/sroa.rs:+0:19: +0:19 - let _1: Tag; // in scope 0 at $DIR/sroa.rs:+1:5: +1:32 - let mut _2: S; // in scope 0 at $DIR/sroa.rs:+1:5: +1:30 - let mut _3: Tag; // in scope 0 at $DIR/sroa.rs:+1:7: +1:13 - let mut _4: Tag; // in scope 0 at $DIR/sroa.rs:+1:15: +1:21 - let mut _5: Tag; // in scope 0 at $DIR/sroa.rs:+1:23: +1:29 - - bb0: { - StorageLive(_1); // scope 0 at $DIR/sroa.rs:+1:5: +1:32 - StorageLive(_2); // scope 0 at $DIR/sroa.rs:+1:5: +1:30 - StorageLive(_3); // scope 0 at $DIR/sroa.rs:+1:7: +1:13 - _3 = Tag(const 0_usize); // scope 0 at $DIR/sroa.rs:+1:7: +1:13 - StorageLive(_4); // scope 0 at $DIR/sroa.rs:+1:15: +1:21 - _4 = Tag(const 1_usize); // scope 0 at $DIR/sroa.rs:+1:15: +1:21 - StorageLive(_5); // scope 0 at $DIR/sroa.rs:+1:23: +1:29 - _5 = Tag(const 2_usize); // scope 0 at $DIR/sroa.rs:+1:23: +1:29 - _2 = S(move _3, move _4, move _5); // scope 0 at $DIR/sroa.rs:+1:5: +1:30 - StorageDead(_5); // scope 0 at $DIR/sroa.rs:+1:29: +1:30 - StorageDead(_4); // scope 0 at $DIR/sroa.rs:+1:29: +1:30 - StorageDead(_3); // scope 0 at $DIR/sroa.rs:+1:29: +1:30 - _1 = move (_2.1: Tag); // scope 0 at $DIR/sroa.rs:+1:5: +1:32 - drop(_1) -> bb1; // scope 0 at $DIR/sroa.rs:+1:32: +1:33 - } - - bb1: { - drop((_2.0: Tag)) -> bb3; // scope 0 at $DIR/sroa.rs:+1:32: +1:33 - } - - bb2: { - StorageDead(_2); // scope 0 at $DIR/sroa.rs:+1:32: +1:33 - StorageDead(_1); // scope 0 at $DIR/sroa.rs:+1:32: +1:33 - _0 = const (); // scope 0 at $DIR/sroa.rs:+0:19: +2:2 - return; // scope 0 at $DIR/sroa.rs:+2:2: +2:2 - } - - bb3: { - drop((_2.2: Tag)) -> bb2; // scope 0 at $DIR/sroa.rs:+1:32: +1:33 - } - } - diff --git a/tests/mir-opt/sroa.enums.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.enums.ScalarReplacementOfAggregates.diff deleted file mode 100644 index 04d26162aad..00000000000 --- a/tests/mir-opt/sroa.enums.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,43 +0,0 @@ -- // MIR for `enums` before ScalarReplacementOfAggregates -+ // MIR for `enums` after ScalarReplacementOfAggregates - - fn enums(_1: usize) -> usize { - debug a => _1; // in scope 0 at $DIR/sroa.rs:+0:14: +0:15 - let mut _0: usize; // return place in scope 0 at $DIR/sroa.rs:+0:27: +0:32 - let mut _2: std::option::Option<usize>; // in scope 0 at $DIR/sroa.rs:+1:22: +1:29 - let mut _3: usize; // in scope 0 at $DIR/sroa.rs:+1:27: +1:28 - let mut _4: isize; // in scope 0 at $DIR/sroa.rs:+1:12: +1:19 - scope 1 { - debug a => _5; // in scope 1 at $DIR/sroa.rs:+1:17: +1:18 - let _5: usize; // in scope 1 at $DIR/sroa.rs:+1:17: +1:18 - } - - bb0: { - StorageLive(_2); // scope 1 at $DIR/sroa.rs:+1:22: +1:29 - StorageLive(_3); // scope 1 at $DIR/sroa.rs:+1:27: +1:28 - _3 = _1; // scope 1 at $DIR/sroa.rs:+1:27: +1:28 - _2 = Option::<usize>::Some(move _3); // scope 1 at $DIR/sroa.rs:+1:22: +1:29 - StorageDead(_3); // scope 1 at $DIR/sroa.rs:+1:28: +1:29 - _4 = discriminant(_2); // scope 1 at $DIR/sroa.rs:+1:12: +1:19 - switchInt(move _4) -> [1: bb1, otherwise: bb2]; // scope 1 at $DIR/sroa.rs:+1:12: +1:19 - } - - bb1: { - StorageLive(_5); // scope 1 at $DIR/sroa.rs:+1:17: +1:18 - _5 = ((_2 as Some).0: usize); // scope 1 at $DIR/sroa.rs:+1:17: +1:18 - _0 = _5; // scope 1 at $DIR/sroa.rs:+1:32: +1:33 - StorageDead(_5); // scope 0 at $DIR/sroa.rs:+1:34: +1:35 - goto -> bb3; // scope 0 at $DIR/sroa.rs:+1:5: +1:46 - } - - bb2: { - _0 = const 0_usize; // scope 0 at $DIR/sroa.rs:+1:43: +1:44 - goto -> bb3; // scope 0 at $DIR/sroa.rs:+1:5: +1:46 - } - - bb3: { - StorageDead(_2); // scope 0 at $DIR/sroa.rs:+2:1: +2:2 - return; // scope 0 at $DIR/sroa.rs:+2:2: +2:2 - } - } - diff --git a/tests/mir-opt/sroa.escaping.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.escaping.ScalarReplacementOfAggregates.diff deleted file mode 100644 index fd691fdd153..00000000000 --- a/tests/mir-opt/sroa.escaping.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,44 +0,0 @@ -- // MIR for `escaping` before ScalarReplacementOfAggregates -+ // MIR for `escaping` after ScalarReplacementOfAggregates - - fn escaping() -> () { - let mut _0: (); // return place in scope 0 at $DIR/sroa.rs:+0:19: +0:19 - let _1: (); // in scope 0 at $DIR/sroa.rs:+1:5: +1:42 - let mut _2: *const u32; // in scope 0 at $DIR/sroa.rs:+1:7: +1:41 - let _3: &u32; // in scope 0 at $DIR/sroa.rs:+1:7: +1:41 - let _4: Escaping; // in scope 0 at $DIR/sroa.rs:+1:8: +1:39 - let mut _5: u32; // in scope 0 at $DIR/sroa.rs:+1:34: +1:37 - - bb0: { - StorageLive(_1); // scope 0 at $DIR/sroa.rs:+1:5: +1:42 - StorageLive(_2); // scope 0 at $DIR/sroa.rs:+1:7: +1:41 - StorageLive(_3); // scope 0 at $DIR/sroa.rs:+1:7: +1:41 - StorageLive(_4); // scope 0 at $DIR/sroa.rs:+1:8: +1:39 - StorageLive(_5); // scope 0 at $DIR/sroa.rs:+1:34: +1:37 - _5 = g() -> bb1; // scope 0 at $DIR/sroa.rs:+1:34: +1:37 - // mir::Constant - // + span: $DIR/sroa.rs:78:34: 78:35 - // + literal: Const { ty: fn() -> u32 {g}, val: Value(<ZST>) } - } - - bb1: { - _4 = Escaping { a: const 1_u32, b: const 2_u32, c: move _5 }; // scope 0 at $DIR/sroa.rs:+1:8: +1:39 - StorageDead(_5); // scope 0 at $DIR/sroa.rs:+1:38: +1:39 - _3 = &(_4.0: u32); // scope 0 at $DIR/sroa.rs:+1:7: +1:41 - _2 = &raw const (*_3); // scope 0 at $DIR/sroa.rs:+1:7: +1:41 - _1 = f(move _2) -> bb2; // scope 0 at $DIR/sroa.rs:+1:5: +1:42 - // mir::Constant - // + span: $DIR/sroa.rs:78:5: 78:6 - // + literal: Const { ty: fn(*const u32) {f}, val: Value(<ZST>) } - } - - bb2: { - StorageDead(_2); // scope 0 at $DIR/sroa.rs:+1:41: +1:42 - StorageDead(_4); // scope 0 at $DIR/sroa.rs:+1:42: +1:43 - StorageDead(_3); // scope 0 at $DIR/sroa.rs:+1:42: +1:43 - StorageDead(_1); // scope 0 at $DIR/sroa.rs:+1:42: +1:43 - _0 = const (); // scope 0 at $DIR/sroa.rs:+0:19: +2:2 - return; // scope 0 at $DIR/sroa.rs:+2:2: +2:2 - } - } - diff --git a/tests/mir-opt/sroa.flat.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.flat.ScalarReplacementOfAggregates.diff deleted file mode 100644 index 69631fc0213..00000000000 --- a/tests/mir-opt/sroa.flat.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,80 +0,0 @@ -- // MIR for `flat` before ScalarReplacementOfAggregates -+ // MIR for `flat` after ScalarReplacementOfAggregates - - fn flat() -> () { - let mut _0: (); // return place in scope 0 at $DIR/sroa.rs:+0:15: +0:15 - let _1: u8; // in scope 0 at $DIR/sroa.rs:+1:15: +1:16 - let _2: (); // in scope 0 at $DIR/sroa.rs:+1:18: +1:19 - let _3: &str; // in scope 0 at $DIR/sroa.rs:+1:21: +1:22 - let _4: std::option::Option<isize>; // in scope 0 at $DIR/sroa.rs:+1:24: +1:25 - let mut _5: Foo; // in scope 0 at $DIR/sroa.rs:+1:30: +1:70 - let mut _6: (); // in scope 0 at $DIR/sroa.rs:+1:45: +1:47 - let mut _7: std::option::Option<isize>; // in scope 0 at $DIR/sroa.rs:+1:60: +1:68 -+ let mut _8: u8; // in scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ let mut _9: (); // in scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ let mut _10: &str; // in scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ let mut _11: std::option::Option<isize>; // in scope 0 at $DIR/sroa.rs:+1:30: +1:70 - scope 1 { - debug a => _1; // in scope 1 at $DIR/sroa.rs:+1:15: +1:16 - debug b => _2; // in scope 1 at $DIR/sroa.rs:+1:18: +1:19 - debug c => _3; // in scope 1 at $DIR/sroa.rs:+1:21: +1:22 - debug d => _4; // in scope 1 at $DIR/sroa.rs:+1:24: +1:25 - scope 2 { - scope 3 { - scope 4 { - scope 5 { - } - } - } - } - } - - bb0: { -- StorageLive(_5); // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ StorageLive(_8); // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ StorageLive(_9); // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ StorageLive(_10); // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ StorageLive(_11); // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ nop; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 - StorageLive(_6); // scope 0 at $DIR/sroa.rs:+1:45: +1:47 - _6 = (); // scope 0 at $DIR/sroa.rs:+1:45: +1:47 - StorageLive(_7); // scope 0 at $DIR/sroa.rs:+1:60: +1:68 - _7 = Option::<isize>::Some(const -4_isize); // scope 0 at $DIR/sroa.rs:+1:60: +1:68 -- _5 = Foo { a: const 5_u8, b: move _6, c: const "a", d: move _7 }; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ _8 = const 5_u8; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ _9 = move _6; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ _10 = const "a"; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 - // mir::Constant - // + span: $DIR/sroa.rs:53:52: 53:55 - // + literal: Const { ty: &str, val: Value(Slice(..)) } -+ _11 = move _7; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 -+ nop; // scope 0 at $DIR/sroa.rs:+1:30: +1:70 - StorageDead(_7); // scope 0 at $DIR/sroa.rs:+1:69: +1:70 - StorageDead(_6); // scope 0 at $DIR/sroa.rs:+1:69: +1:70 - StorageLive(_1); // scope 0 at $DIR/sroa.rs:+1:15: +1:16 -- _1 = (_5.0: u8); // scope 0 at $DIR/sroa.rs:+1:15: +1:16 -+ _1 = _8; // scope 0 at $DIR/sroa.rs:+1:15: +1:16 - StorageLive(_2); // scope 0 at $DIR/sroa.rs:+1:18: +1:19 -- _2 = (_5.1: ()); // scope 0 at $DIR/sroa.rs:+1:18: +1:19 -+ _2 = _9; // scope 0 at $DIR/sroa.rs:+1:18: +1:19 - StorageLive(_3); // scope 0 at $DIR/sroa.rs:+1:21: +1:22 -- _3 = (_5.2: &str); // scope 0 at $DIR/sroa.rs:+1:21: +1:22 -+ _3 = _10; // scope 0 at $DIR/sroa.rs:+1:21: +1:22 - StorageLive(_4); // scope 0 at $DIR/sroa.rs:+1:24: +1:25 -- _4 = (_5.3: std::option::Option<isize>); // scope 0 at $DIR/sroa.rs:+1:24: +1:25 -- StorageDead(_5); // scope 0 at $DIR/sroa.rs:+1:70: +1:71 -+ _4 = _11; // scope 0 at $DIR/sroa.rs:+1:24: +1:25 -+ StorageDead(_8); // scope 0 at $DIR/sroa.rs:+1:70: +1:71 -+ StorageDead(_9); // scope 0 at $DIR/sroa.rs:+1:70: +1:71 -+ StorageDead(_10); // scope 0 at $DIR/sroa.rs:+1:70: +1:71 -+ StorageDead(_11); // scope 0 at $DIR/sroa.rs:+1:70: +1:71 -+ nop; // scope 0 at $DIR/sroa.rs:+1:70: +1:71 - _0 = const (); // scope 0 at $DIR/sroa.rs:+0:15: +6:2 - StorageDead(_4); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 - StorageDead(_3); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 - StorageDead(_2); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 - StorageDead(_1); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 - return; // scope 0 at $DIR/sroa.rs:+6:2: +6:2 - } - } - diff --git a/tests/mir-opt/sroa.ref_copies.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.ref_copies.ScalarReplacementOfAggregates.diff deleted file mode 100644 index f0d62220dd6..00000000000 --- a/tests/mir-opt/sroa.ref_copies.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,56 +0,0 @@ -- // MIR for `ref_copies` before ScalarReplacementOfAggregates -+ // MIR for `ref_copies` after ScalarReplacementOfAggregates - - fn ref_copies(_1: &Foo) -> () { - debug x => _1; // in scope 0 at $DIR/sroa.rs:+0:15: +0:16 - let mut _0: (); // return place in scope 0 at $DIR/sroa.rs:+0:24: +0:24 - let _2: Foo; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _5: u8; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _6: (); // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _7: &str; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ let _8: std::option::Option<isize>; // in scope 0 at $DIR/sroa.rs:+1:9: +1:10 - scope 1 { -- debug y => _2; // in scope 1 at $DIR/sroa.rs:+1:9: +1:10 -+ debug y => Foo{ .0 => _5, .1 => _6, .2 => _7, .3 => _8, }; // in scope 1 at $DIR/sroa.rs:+1:9: +1:10 - let _3: u8; // in scope 1 at $DIR/sroa.rs:+2:9: +2:10 - scope 2 { - debug t => _3; // in scope 2 at $DIR/sroa.rs:+2:9: +2:10 - let _4: &str; // in scope 2 at $DIR/sroa.rs:+3:9: +3:10 - scope 3 { - debug u => _4; // in scope 3 at $DIR/sroa.rs:+3:9: +3:10 - } - } - } - - bb0: { -- StorageLive(_2); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -- _2 = (*_1); // scope 0 at $DIR/sroa.rs:+1:13: +1:15 -+ StorageLive(_5); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ StorageLive(_6); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ StorageLive(_7); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ StorageLive(_8); // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ nop; // scope 0 at $DIR/sroa.rs:+1:9: +1:10 -+ _5 = ((*_1).0: u8); // scope 0 at $DIR/sroa.rs:+1:13: +1:15 -+ _6 = ((*_1).1: ()); // scope 0 at $DIR/sroa.rs:+1:13: +1:15 -+ _7 = ((*_1).2: &str); // scope 0 at $DIR/sroa.rs:+1:13: +1:15 -+ _8 = ((*_1).3: std::option::Option<isize>); // scope 0 at $DIR/sroa.rs:+1:13: +1:15 -+ nop; // scope 0 at $DIR/sroa.rs:+1:13: +1:15 - StorageLive(_3); // scope 1 at $DIR/sroa.rs:+2:9: +2:10 -- _3 = (_2.0: u8); // scope 1 at $DIR/sroa.rs:+2:13: +2:16 -+ _3 = _5; // scope 1 at $DIR/sroa.rs:+2:13: +2:16 - StorageLive(_4); // scope 2 at $DIR/sroa.rs:+3:9: +3:10 -- _4 = (_2.2: &str); // scope 2 at $DIR/sroa.rs:+3:13: +3:16 -+ _4 = _7; // scope 2 at $DIR/sroa.rs:+3:13: +3:16 - _0 = const (); // scope 0 at $DIR/sroa.rs:+0:24: +4:2 - StorageDead(_4); // scope 2 at $DIR/sroa.rs:+4:1: +4:2 - StorageDead(_3); // scope 1 at $DIR/sroa.rs:+4:1: +4:2 -- StorageDead(_2); // scope 0 at $DIR/sroa.rs:+4:1: +4:2 -+ StorageDead(_5); // scope 0 at $DIR/sroa.rs:+4:1: +4:2 -+ StorageDead(_6); // scope 0 at $DIR/sroa.rs:+4:1: +4:2 -+ StorageDead(_7); // scope 0 at $DIR/sroa.rs:+4:1: +4:2 -+ StorageDead(_8); // scope 0 at $DIR/sroa.rs:+4:1: +4:2 -+ nop; // scope 0 at $DIR/sroa.rs:+4:1: +4:2 - return; // scope 0 at $DIR/sroa.rs:+4:2: +4:2 - } - } - diff --git a/tests/mir-opt/sroa.structs.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.structs.ScalarReplacementOfAggregates.diff deleted file mode 100644 index 2c63d8b266d..00000000000 --- a/tests/mir-opt/sroa.structs.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,33 +0,0 @@ -- // MIR for `structs` before ScalarReplacementOfAggregates -+ // MIR for `structs` after ScalarReplacementOfAggregates - - fn structs(_1: f32) -> f32 { - debug a => _1; // in scope 0 at $DIR/sroa.rs:+0:16: +0:17 - let mut _0: f32; // return place in scope 0 at $DIR/sroa.rs:+0:27: +0:30 - let mut _2: structs::U; // in scope 0 at $DIR/sroa.rs:+6:5: +6:21 - let mut _3: f32; // in scope 0 at $DIR/sroa.rs:+6:18: +6:19 -+ let mut _4: usize; // in scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ let mut _5: f32; // in scope 0 at $DIR/sroa.rs:+6:5: +6:21 - - bb0: { -- StorageLive(_2); // scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ StorageLive(_4); // scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ StorageLive(_5); // scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ nop; // scope 0 at $DIR/sroa.rs:+6:5: +6:21 - StorageLive(_3); // scope 0 at $DIR/sroa.rs:+6:18: +6:19 - _3 = _1; // scope 0 at $DIR/sroa.rs:+6:18: +6:19 -- _2 = U { _foo: const 0_usize, a: move _3 }; // scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ _4 = const 0_usize; // scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ _5 = move _3; // scope 0 at $DIR/sroa.rs:+6:5: +6:21 -+ nop; // scope 0 at $DIR/sroa.rs:+6:5: +6:21 - StorageDead(_3); // scope 0 at $DIR/sroa.rs:+6:20: +6:21 -- _0 = (_2.1: f32); // scope 0 at $DIR/sroa.rs:+6:5: +6:23 -- StorageDead(_2); // scope 0 at $DIR/sroa.rs:+7:1: +7:2 -+ _0 = _5; // scope 0 at $DIR/sroa.rs:+6:5: +6:23 -+ StorageDead(_4); // scope 0 at $DIR/sroa.rs:+7:1: +7:2 -+ StorageDead(_5); // scope 0 at $DIR/sroa.rs:+7:1: +7:2 -+ nop; // scope 0 at $DIR/sroa.rs:+7:1: +7:2 - return; // scope 0 at $DIR/sroa.rs:+7:2: +7:2 - } - } - diff --git a/tests/mir-opt/sroa.unions.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa.unions.ScalarReplacementOfAggregates.diff deleted file mode 100644 index adfb01385d4..00000000000 --- a/tests/mir-opt/sroa.unions.ScalarReplacementOfAggregates.diff +++ /dev/null @@ -1,23 +0,0 @@ -- // MIR for `unions` before ScalarReplacementOfAggregates -+ // MIR for `unions` after ScalarReplacementOfAggregates - - fn unions(_1: f32) -> u32 { - debug a => _1; // in scope 0 at $DIR/sroa.rs:+0:15: +0:16 - let mut _0: u32; // return place in scope 0 at $DIR/sroa.rs:+0:26: +0:29 - let mut _2: unions::Repr; // in scope 0 at $DIR/sroa.rs:+5:14: +5:27 - let mut _3: f32; // in scope 0 at $DIR/sroa.rs:+5:24: +5:25 - scope 1 { - } - - bb0: { - StorageLive(_2); // scope 1 at $DIR/sroa.rs:+5:14: +5:27 - StorageLive(_3); // scope 1 at $DIR/sroa.rs:+5:24: +5:25 - _3 = _1; // scope 1 at $DIR/sroa.rs:+5:24: +5:25 - _2 = Repr { f: move _3 }; // scope 1 at $DIR/sroa.rs:+5:14: +5:27 - StorageDead(_3); // scope 1 at $DIR/sroa.rs:+5:26: +5:27 - _0 = (_2.1: u32); // scope 1 at $DIR/sroa.rs:+5:14: +5:29 - StorageDead(_2); // scope 0 at $DIR/sroa.rs:+6:1: +6:2 - return; // scope 0 at $DIR/sroa.rs:+6:2: +6:2 - } - } - diff --git a/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..225f80ed41b --- /dev/null +++ b/tests/mir-opt/sroa/lifetimes.foo.ScalarReplacementOfAggregates.diff @@ -0,0 +1,214 @@ +- // MIR for `foo` before ScalarReplacementOfAggregates ++ // MIR for `foo` after ScalarReplacementOfAggregates + + fn foo() -> () { + let mut _0: (); // return place in scope 0 at $DIR/lifetimes.rs:+0:18: +0:18 + let _1: Foo<T>; // in scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 + let mut _2: std::result::Result<std::boxed::Box<dyn std::fmt::Display>, <T as Err>::Err>; // in scope 0 at $DIR/lifetimes.rs:+2:12: +2:31 + let mut _3: std::boxed::Box<dyn std::fmt::Display>; // in scope 0 at $DIR/lifetimes.rs:+2:15: +2:30 + let mut _4: std::boxed::Box<u32>; // in scope 0 at $DIR/lifetimes.rs:+2:15: +2:30 + let mut _7: isize; // in scope 0 at $DIR/lifetimes.rs:+9:12: +9:17 + let _9: (); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let _10: (); // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let mut _11: std::fmt::Arguments<'_>; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let mut _12: &[&str]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 + let mut _13: &[&str; 3]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 + let _14: &[&str; 3]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 + let _15: [&str; 3]; // in scope 0 at $DIR/lifetimes.rs:+10:19: +10:28 + let mut _16: &[core::fmt::ArgumentV1<'_>]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let mut _17: &[core::fmt::ArgumentV1<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let _18: &[core::fmt::ArgumentV1<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let _19: [core::fmt::ArgumentV1<'_>; 2]; // in scope 0 at $SRC_DIR/std/src/macros.rs:LL:COL + let mut _20: core::fmt::ArgumentV1<'_>; // in scope 0 at $DIR/lifetimes.rs:+10:21: +10:22 + let mut _21: &std::boxed::Box<dyn std::fmt::Display>; // in scope 0 at $DIR/lifetimes.rs:+10:21: +10:22 + let _22: &std::boxed::Box<dyn std::fmt::Display>; // in scope 0 at $DIR/lifetimes.rs:+10:21: +10:22 + let mut _23: core::fmt::ArgumentV1<'_>; // in scope 0 at $DIR/lifetimes.rs:+10:25: +10:26 + let mut _24: &u32; // in scope 0 at $DIR/lifetimes.rs:+10:25: +10:26 + let _25: &u32; // in scope 0 at $DIR/lifetimes.rs:+10:25: +10:26 + let mut _27: bool; // in scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 + let mut _28: isize; // in scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 + let mut _29: isize; // in scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 + let mut _30: isize; // in scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 ++ let _31: std::result::Result<std::boxed::Box<dyn std::fmt::Display>, <T as Err>::Err>; // in scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 ++ let _32: u32; // in scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 + scope 1 { +- debug foo => _1; // in scope 1 at $DIR/lifetimes.rs:+1:9: +1:12 ++ debug foo => Foo<T>{ .0 => _31, .1 => _32, }; // in scope 1 at $DIR/lifetimes.rs:+1:9: +1:12 + let _5: std::result::Result<std::boxed::Box<dyn std::fmt::Display>, <T as Err>::Err>; // in scope 1 at $DIR/lifetimes.rs:+6:9: +6:10 + scope 2 { + debug x => _5; // in scope 2 at $DIR/lifetimes.rs:+6:9: +6:10 + let _6: u32; // in scope 2 at $DIR/lifetimes.rs:+7:9: +7:10 + scope 3 { + debug y => _6; // in scope 3 at $DIR/lifetimes.rs:+7:9: +7:10 + scope 4 { + debug x => _8; // in scope 4 at $DIR/lifetimes.rs:+9:15: +9:16 + let _8: std::boxed::Box<dyn std::fmt::Display>; // in scope 4 at $DIR/lifetimes.rs:+9:15: +9:16 + let mut _26: &[&str; 3]; // in scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + } + } + } + } + + bb0: { + _27 = const false; // scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 +- StorageLive(_1); // scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 ++ StorageLive(_31); // scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 ++ StorageLive(_32); // scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 ++ nop; // scope 0 at $DIR/lifetimes.rs:+1:9: +1:12 + StorageLive(_2); // scope 0 at $DIR/lifetimes.rs:+2:12: +2:31 + StorageLive(_3); // scope 0 at $DIR/lifetimes.rs:+2:15: +2:30 + StorageLive(_4); // scope 0 at $DIR/lifetimes.rs:+2:15: +2:30 + _4 = Box::<u32>::new(const 5_u32) -> bb1; // scope 0 at $DIR/lifetimes.rs:+2:15: +2:30 + // mir::Constant + // + span: $DIR/lifetimes.rs:19:15: 19:23 + // + user_ty: UserType(1) + // + literal: Const { ty: fn(u32) -> Box<u32> {Box::<u32>::new}, val: Value(<ZST>) } + } + + bb1: { + _3 = move _4 as std::boxed::Box<dyn std::fmt::Display> (Pointer(Unsize)); // scope 0 at $DIR/lifetimes.rs:+2:15: +2:30 + StorageDead(_4); // scope 0 at $DIR/lifetimes.rs:+2:29: +2:30 + _2 = Result::<Box<dyn std::fmt::Display>, <T as Err>::Err>::Ok(move _3); // scope 0 at $DIR/lifetimes.rs:+2:12: +2:31 + StorageDead(_3); // scope 0 at $DIR/lifetimes.rs:+2:30: +2:31 +- _1 = Foo::<T> { x: move _2, y: const 7_u32 }; // scope 0 at $DIR/lifetimes.rs:+1:23: +4:6 ++ _31 = move _2; // scope 0 at $DIR/lifetimes.rs:+1:23: +4:6 ++ _32 = const 7_u32; // scope 0 at $DIR/lifetimes.rs:+1:23: +4:6 ++ nop; // scope 0 at $DIR/lifetimes.rs:+1:23: +4:6 + StorageDead(_2); // scope 0 at $DIR/lifetimes.rs:+4:5: +4:6 + StorageLive(_5); // scope 1 at $DIR/lifetimes.rs:+6:9: +6:10 + _27 = const true; // scope 1 at $DIR/lifetimes.rs:+6:13: +6:18 +- _5 = move (_1.0: std::result::Result<std::boxed::Box<dyn std::fmt::Display>, <T as Err>::Err>); // scope 1 at $DIR/lifetimes.rs:+6:13: +6:18 ++ _5 = move _31; // scope 1 at $DIR/lifetimes.rs:+6:13: +6:18 + StorageLive(_6); // scope 2 at $DIR/lifetimes.rs:+7:9: +7:10 +- _6 = (_1.1: u32); // scope 2 at $DIR/lifetimes.rs:+7:13: +7:18 ++ _6 = _32; // scope 2 at $DIR/lifetimes.rs:+7:13: +7:18 + _7 = discriminant(_5); // scope 4 at $DIR/lifetimes.rs:+9:12: +9:17 + switchInt(move _7) -> [0: bb2, otherwise: bb7]; // scope 4 at $DIR/lifetimes.rs:+9:12: +9:17 + } + + bb2: { + StorageLive(_8); // scope 4 at $DIR/lifetimes.rs:+9:15: +9:16 + _27 = const false; // scope 4 at $DIR/lifetimes.rs:+9:15: +9:16 + _8 = move ((_5 as Ok).0: std::boxed::Box<dyn std::fmt::Display>); // scope 4 at $DIR/lifetimes.rs:+9:15: +9:16 + StorageLive(_9); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_10); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_11); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_12); // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + StorageLive(_13); // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + StorageLive(_14); // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + _26 = const _; // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + // mir::Constant + // + span: $DIR/lifetimes.rs:27:19: 27:28 + // + literal: Const { ty: &[&str; 3], val: Unevaluated(foo, [T], Some(promoted[0])) } + _14 = &(*_26); // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + _13 = &(*_14); // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + _12 = move _13 as &[&str] (Pointer(Unsize)); // scope 4 at $DIR/lifetimes.rs:+10:19: +10:28 + StorageDead(_13); // scope 4 at $DIR/lifetimes.rs:+10:27: +10:28 + StorageLive(_16); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_17); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_18); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_19); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageLive(_20); // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + StorageLive(_21); // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + StorageLive(_22); // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + _22 = &_8; // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + _21 = &(*_22); // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + _20 = core::fmt::ArgumentV1::<'_>::new_display::<Box<dyn std::fmt::Display>>(move _21) -> bb3; // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + // mir::Constant + // + span: $DIR/lifetimes.rs:27:21: 27:22 + // + user_ty: UserType(4) + // + literal: Const { ty: for<'b> fn(&'b Box<dyn std::fmt::Display>) -> core::fmt::ArgumentV1<'b> {core::fmt::ArgumentV1::<'_>::new_display::<Box<dyn std::fmt::Display>>}, val: Value(<ZST>) } + } + + bb3: { + StorageDead(_21); // scope 4 at $DIR/lifetimes.rs:+10:21: +10:22 + StorageLive(_23); // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + StorageLive(_24); // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + StorageLive(_25); // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + _25 = &_6; // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + _24 = &(*_25); // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + _23 = core::fmt::ArgumentV1::<'_>::new_display::<u32>(move _24) -> bb4; // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + // mir::Constant + // + span: $DIR/lifetimes.rs:27:25: 27:26 + // + user_ty: UserType(5) + // + literal: Const { ty: for<'b> fn(&'b u32) -> core::fmt::ArgumentV1<'b> {core::fmt::ArgumentV1::<'_>::new_display::<u32>}, val: Value(<ZST>) } + } + + bb4: { + StorageDead(_24); // scope 4 at $DIR/lifetimes.rs:+10:25: +10:26 + _19 = [move _20, move _23]; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_23); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_20); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _18 = &_19; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _17 = &(*_18); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _16 = move _17 as &[core::fmt::ArgumentV1<'_>] (Pointer(Unsize)); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_17); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _11 = Arguments::<'_>::new_v1(move _12, move _16) -> bb5; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + // mir::Constant + // + span: $SRC_DIR/std/src/macros.rs:LL:COL + // + user_ty: UserType(3) + // + literal: Const { ty: fn(&[&'static str], &[core::fmt::ArgumentV1<'_>]) -> Arguments<'_> {Arguments::<'_>::new_v1}, val: Value(<ZST>) } + } + + bb5: { + StorageDead(_16); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_12); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _10 = _eprint(move _11) -> bb6; // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + // mir::Constant + // + span: $SRC_DIR/std/src/macros.rs:LL:COL + // + literal: Const { ty: for<'a> fn(Arguments<'a>) {_eprint}, val: Value(<ZST>) } + } + + bb6: { + StorageDead(_11); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_25); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_22); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_19); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_18); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_14); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_10); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _9 = const (); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + StorageDead(_9); // scope 4 at $SRC_DIR/std/src/macros.rs:LL:COL + _0 = const (); // scope 4 at $DIR/lifetimes.rs:+9:22: +11:6 + drop(_8) -> bb8; // scope 3 at $DIR/lifetimes.rs:+11:5: +11:6 + } + + bb7: { + _0 = const (); // scope 3 at $DIR/lifetimes.rs:+11:6: +11:6 + goto -> bb9; // scope 3 at $DIR/lifetimes.rs:+9:5: +11:6 + } + + bb8: { + StorageDead(_8); // scope 3 at $DIR/lifetimes.rs:+11:5: +11:6 + goto -> bb9; // scope 3 at $DIR/lifetimes.rs:+9:5: +11:6 + } + + bb9: { + StorageDead(_6); // scope 2 at $DIR/lifetimes.rs:+12:1: +12:2 + _28 = discriminant(_5); // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 + switchInt(move _28) -> [0: bb11, otherwise: bb13]; // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 + } + + bb10: { + _27 = const false; // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 + StorageDead(_5); // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 +- StorageDead(_1); // scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 ++ StorageDead(_31); // scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 ++ StorageDead(_32); // scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 ++ nop; // scope 0 at $DIR/lifetimes.rs:+12:1: +12:2 + return; // scope 0 at $DIR/lifetimes.rs:+12:2: +12:2 + } + + bb11: { + switchInt(_27) -> [0: bb10, otherwise: bb12]; // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 + } + + bb12: { + drop(((_5 as Ok).0: std::boxed::Box<dyn std::fmt::Display>)) -> bb10; // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 + } + + bb13: { + drop(_5) -> bb10; // scope 1 at $DIR/lifetimes.rs:+12:1: +12:2 + } + } + diff --git a/tests/mir-opt/sroa/lifetimes.rs b/tests/mir-opt/sroa/lifetimes.rs new file mode 100644 index 00000000000..2356d212f3f --- /dev/null +++ b/tests/mir-opt/sroa/lifetimes.rs @@ -0,0 +1,37 @@ +// unit-test: ScalarReplacementOfAggregates +// compile-flags: -Cpanic=abort +// no-prefer-dynamic + +trait Err { + type Err; +} + +struct Foo<T: Err> { + // Check that the `'static` lifetime is erased when creating the local for `x`, + // even if we fail to normalize the type. + x: Result<Box<dyn std::fmt::Display + 'static>, <T as Err>::Err>, + y: u32, +} + +// EMIT_MIR lifetimes.foo.ScalarReplacementOfAggregates.diff +fn foo<T: Err>() { + let foo: Foo<T> = Foo { + x: Ok(Box::new(5_u32)), + y: 7_u32, + }; + + let x = foo.x; + let y = foo.y; + + if let Ok(x) = x { + eprintln!("{x} {y}"); + } +} + +impl Err for () { + type Err = (); +} + +fn main() { + foo::<()>() +} diff --git a/tests/mir-opt/sroa/structs.constant.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.constant.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..647681f0e7a --- /dev/null +++ b/tests/mir-opt/sroa/structs.constant.ScalarReplacementOfAggregates.diff @@ -0,0 +1,46 @@ +- // MIR for `constant` before ScalarReplacementOfAggregates ++ // MIR for `constant` after ScalarReplacementOfAggregates + + fn constant() -> () { + let mut _0: (); // return place in scope 0 at $DIR/structs.rs:+0:15: +0:15 + let _1: (usize, u8); // in scope 0 at $DIR/structs.rs:+2:9: +2:10 ++ let _4: usize; // in scope 0 at $DIR/structs.rs:+2:9: +2:10 ++ let _5: u8; // in scope 0 at $DIR/structs.rs:+2:9: +2:10 + scope 1 { +- debug y => _1; // in scope 1 at $DIR/structs.rs:+2:9: +2:10 ++ debug y => (usize, u8){ .0 => _4, .1 => _5, }; // in scope 1 at $DIR/structs.rs:+2:9: +2:10 + let _2: usize; // in scope 1 at $DIR/structs.rs:+3:9: +3:10 + scope 2 { + debug t => _2; // in scope 2 at $DIR/structs.rs:+3:9: +3:10 + let _3: u8; // in scope 2 at $DIR/structs.rs:+4:9: +4:10 + scope 3 { + debug u => _3; // in scope 3 at $DIR/structs.rs:+4:9: +4:10 + } + } + } + + bb0: { +- StorageLive(_1); // scope 0 at $DIR/structs.rs:+2:9: +2:10 ++ StorageLive(_4); // scope 0 at $DIR/structs.rs:+2:9: +2:10 ++ StorageLive(_5); // scope 0 at $DIR/structs.rs:+2:9: +2:10 ++ nop; // scope 0 at $DIR/structs.rs:+2:9: +2:10 + _1 = const _; // scope 0 at $DIR/structs.rs:+2:13: +2:14 ++ _4 = move (_1.0: usize); // scope 1 at $DIR/structs.rs:+3:9: +3:10 ++ _5 = move (_1.1: u8); // scope 1 at $DIR/structs.rs:+3:9: +3:10 + StorageLive(_2); // scope 1 at $DIR/structs.rs:+3:9: +3:10 +- _2 = (_1.0: usize); // scope 1 at $DIR/structs.rs:+3:13: +3:16 ++ _2 = _4; // scope 1 at $DIR/structs.rs:+3:13: +3:16 + StorageLive(_3); // scope 2 at $DIR/structs.rs:+4:9: +4:10 +- _3 = (_1.1: u8); // scope 2 at $DIR/structs.rs:+4:13: +4:16 ++ _3 = _5; // scope 2 at $DIR/structs.rs:+4:13: +4:16 + _0 = const (); // scope 0 at $DIR/structs.rs:+0:15: +5:2 + StorageDead(_3); // scope 2 at $DIR/structs.rs:+5:1: +5:2 + StorageDead(_2); // scope 1 at $DIR/structs.rs:+5:1: +5:2 +- StorageDead(_1); // scope 0 at $DIR/structs.rs:+5:1: +5:2 ++ StorageDead(_4); // scope 0 at $DIR/structs.rs:+5:1: +5:2 ++ StorageDead(_5); // scope 0 at $DIR/structs.rs:+5:1: +5:2 ++ nop; // scope 0 at $DIR/structs.rs:+5:1: +5:2 + return; // scope 0 at $DIR/structs.rs:+5:2: +5:2 + } + } + diff --git a/tests/mir-opt/sroa/structs.copies.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.copies.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..b0b0da8861f --- /dev/null +++ b/tests/mir-opt/sroa/structs.copies.ScalarReplacementOfAggregates.diff @@ -0,0 +1,91 @@ +- // MIR for `copies` before ScalarReplacementOfAggregates ++ // MIR for `copies` after ScalarReplacementOfAggregates + + fn copies(_1: Foo) -> () { + debug x => _1; // in scope 0 at $DIR/structs.rs:+0:11: +0:12 + let mut _0: (); // return place in scope 0 at $DIR/structs.rs:+0:19: +0:19 + let _2: Foo; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _11: u8; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _12: (); // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _13: &str; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _14: std::option::Option<isize>; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 + scope 1 { +- debug y => _2; // in scope 1 at $DIR/structs.rs:+1:9: +1:10 ++ debug y => Foo{ .0 => _11, .1 => _12, .2 => _13, .3 => _14, }; // in scope 1 at $DIR/structs.rs:+1:9: +1:10 + let _3: u8; // in scope 1 at $DIR/structs.rs:+2:9: +2:10 + scope 2 { + debug t => _3; // in scope 2 at $DIR/structs.rs:+2:9: +2:10 + let _4: &str; // in scope 2 at $DIR/structs.rs:+3:9: +3:10 + scope 3 { + debug u => _4; // in scope 3 at $DIR/structs.rs:+3:9: +3:10 + let _5: Foo; // in scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ let _7: u8; // in scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ let _8: (); // in scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ let _9: &str; // in scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ let _10: std::option::Option<isize>; // in scope 3 at $DIR/structs.rs:+4:9: +4:10 + scope 4 { +- debug z => _5; // in scope 4 at $DIR/structs.rs:+4:9: +4:10 ++ debug z => Foo{ .0 => _7, .1 => _8, .2 => _9, .3 => _10, }; // in scope 4 at $DIR/structs.rs:+4:9: +4:10 + let _6: (); // in scope 4 at $DIR/structs.rs:+5:9: +5:10 + scope 5 { + debug a => _6; // in scope 5 at $DIR/structs.rs:+5:9: +5:10 + } + } + } + } + } + + bb0: { +- StorageLive(_2); // scope 0 at $DIR/structs.rs:+1:9: +1:10 +- _2 = _1; // scope 0 at $DIR/structs.rs:+1:13: +1:14 ++ StorageLive(_11); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ StorageLive(_12); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ StorageLive(_13); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ StorageLive(_14); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ nop; // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ _11 = (_1.0: u8); // scope 0 at $DIR/structs.rs:+1:13: +1:14 ++ _12 = (_1.1: ()); // scope 0 at $DIR/structs.rs:+1:13: +1:14 ++ _13 = (_1.2: &str); // scope 0 at $DIR/structs.rs:+1:13: +1:14 ++ _14 = (_1.3: std::option::Option<isize>); // scope 0 at $DIR/structs.rs:+1:13: +1:14 ++ nop; // scope 0 at $DIR/structs.rs:+1:13: +1:14 + StorageLive(_3); // scope 1 at $DIR/structs.rs:+2:9: +2:10 +- _3 = (_2.0: u8); // scope 1 at $DIR/structs.rs:+2:13: +2:16 ++ _3 = _11; // scope 1 at $DIR/structs.rs:+2:13: +2:16 + StorageLive(_4); // scope 2 at $DIR/structs.rs:+3:9: +3:10 +- _4 = (_2.2: &str); // scope 2 at $DIR/structs.rs:+3:13: +3:16 +- StorageLive(_5); // scope 3 at $DIR/structs.rs:+4:9: +4:10 +- _5 = _2; // scope 3 at $DIR/structs.rs:+4:13: +4:14 ++ _4 = _13; // scope 2 at $DIR/structs.rs:+3:13: +3:16 ++ StorageLive(_7); // scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ StorageLive(_8); // scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ StorageLive(_9); // scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ StorageLive(_10); // scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ nop; // scope 3 at $DIR/structs.rs:+4:9: +4:10 ++ _7 = _11; // scope 3 at $DIR/structs.rs:+4:13: +4:14 ++ _8 = _12; // scope 3 at $DIR/structs.rs:+4:13: +4:14 ++ _9 = _13; // scope 3 at $DIR/structs.rs:+4:13: +4:14 ++ _10 = _14; // scope 3 at $DIR/structs.rs:+4:13: +4:14 ++ nop; // scope 3 at $DIR/structs.rs:+4:13: +4:14 + StorageLive(_6); // scope 4 at $DIR/structs.rs:+5:9: +5:10 +- _6 = (_5.1: ()); // scope 4 at $DIR/structs.rs:+5:13: +5:16 ++ _6 = _8; // scope 4 at $DIR/structs.rs:+5:13: +5:16 + _0 = const (); // scope 0 at $DIR/structs.rs:+0:19: +6:2 + StorageDead(_6); // scope 4 at $DIR/structs.rs:+6:1: +6:2 +- StorageDead(_5); // scope 3 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_7); // scope 3 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_8); // scope 3 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_9); // scope 3 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_10); // scope 3 at $DIR/structs.rs:+6:1: +6:2 ++ nop; // scope 3 at $DIR/structs.rs:+6:1: +6:2 + StorageDead(_4); // scope 2 at $DIR/structs.rs:+6:1: +6:2 + StorageDead(_3); // scope 1 at $DIR/structs.rs:+6:1: +6:2 +- StorageDead(_2); // scope 0 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_11); // scope 0 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_12); // scope 0 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_13); // scope 0 at $DIR/structs.rs:+6:1: +6:2 ++ StorageDead(_14); // scope 0 at $DIR/structs.rs:+6:1: +6:2 ++ nop; // scope 0 at $DIR/structs.rs:+6:1: +6:2 + return; // scope 0 at $DIR/structs.rs:+6:2: +6:2 + } + } + diff --git a/tests/mir-opt/sroa/structs.dropping.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.dropping.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..b6439c00a00 --- /dev/null +++ b/tests/mir-opt/sroa/structs.dropping.ScalarReplacementOfAggregates.diff @@ -0,0 +1,44 @@ +- // MIR for `dropping` before ScalarReplacementOfAggregates ++ // MIR for `dropping` after ScalarReplacementOfAggregates + + fn dropping() -> () { + let mut _0: (); // return place in scope 0 at $DIR/structs.rs:+0:19: +0:19 + let _1: Tag; // in scope 0 at $DIR/structs.rs:+1:5: +1:32 + let mut _2: S; // in scope 0 at $DIR/structs.rs:+1:5: +1:30 + let mut _3: Tag; // in scope 0 at $DIR/structs.rs:+1:7: +1:13 + let mut _4: Tag; // in scope 0 at $DIR/structs.rs:+1:15: +1:21 + let mut _5: Tag; // in scope 0 at $DIR/structs.rs:+1:23: +1:29 + + bb0: { + StorageLive(_1); // scope 0 at $DIR/structs.rs:+1:5: +1:32 + StorageLive(_2); // scope 0 at $DIR/structs.rs:+1:5: +1:30 + StorageLive(_3); // scope 0 at $DIR/structs.rs:+1:7: +1:13 + _3 = Tag(const 0_usize); // scope 0 at $DIR/structs.rs:+1:7: +1:13 + StorageLive(_4); // scope 0 at $DIR/structs.rs:+1:15: +1:21 + _4 = Tag(const 1_usize); // scope 0 at $DIR/structs.rs:+1:15: +1:21 + StorageLive(_5); // scope 0 at $DIR/structs.rs:+1:23: +1:29 + _5 = Tag(const 2_usize); // scope 0 at $DIR/structs.rs:+1:23: +1:29 + _2 = S(move _3, move _4, move _5); // scope 0 at $DIR/structs.rs:+1:5: +1:30 + StorageDead(_5); // scope 0 at $DIR/structs.rs:+1:29: +1:30 + StorageDead(_4); // scope 0 at $DIR/structs.rs:+1:29: +1:30 + StorageDead(_3); // scope 0 at $DIR/structs.rs:+1:29: +1:30 + _1 = move (_2.1: Tag); // scope 0 at $DIR/structs.rs:+1:5: +1:32 + drop(_1) -> bb1; // scope 0 at $DIR/structs.rs:+1:32: +1:33 + } + + bb1: { + drop((_2.0: Tag)) -> bb3; // scope 0 at $DIR/structs.rs:+1:32: +1:33 + } + + bb2: { + StorageDead(_2); // scope 0 at $DIR/structs.rs:+1:32: +1:33 + StorageDead(_1); // scope 0 at $DIR/structs.rs:+1:32: +1:33 + _0 = const (); // scope 0 at $DIR/structs.rs:+0:19: +2:2 + return; // scope 0 at $DIR/structs.rs:+2:2: +2:2 + } + + bb3: { + drop((_2.2: Tag)) -> bb2; // scope 0 at $DIR/structs.rs:+1:32: +1:33 + } + } + diff --git a/tests/mir-opt/sroa/structs.enums.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.enums.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..ff1e30c2d8f --- /dev/null +++ b/tests/mir-opt/sroa/structs.enums.ScalarReplacementOfAggregates.diff @@ -0,0 +1,43 @@ +- // MIR for `enums` before ScalarReplacementOfAggregates ++ // MIR for `enums` after ScalarReplacementOfAggregates + + fn enums(_1: usize) -> usize { + debug a => _1; // in scope 0 at $DIR/structs.rs:+0:14: +0:15 + let mut _0: usize; // return place in scope 0 at $DIR/structs.rs:+0:27: +0:32 + let mut _2: std::option::Option<usize>; // in scope 0 at $DIR/structs.rs:+1:22: +1:29 + let mut _3: usize; // in scope 0 at $DIR/structs.rs:+1:27: +1:28 + let mut _4: isize; // in scope 0 at $DIR/structs.rs:+1:12: +1:19 + scope 1 { + debug a => _5; // in scope 1 at $DIR/structs.rs:+1:17: +1:18 + let _5: usize; // in scope 1 at $DIR/structs.rs:+1:17: +1:18 + } + + bb0: { + StorageLive(_2); // scope 1 at $DIR/structs.rs:+1:22: +1:29 + StorageLive(_3); // scope 1 at $DIR/structs.rs:+1:27: +1:28 + _3 = _1; // scope 1 at $DIR/structs.rs:+1:27: +1:28 + _2 = Option::<usize>::Some(move _3); // scope 1 at $DIR/structs.rs:+1:22: +1:29 + StorageDead(_3); // scope 1 at $DIR/structs.rs:+1:28: +1:29 + _4 = discriminant(_2); // scope 1 at $DIR/structs.rs:+1:12: +1:19 + switchInt(move _4) -> [1: bb1, otherwise: bb2]; // scope 1 at $DIR/structs.rs:+1:12: +1:19 + } + + bb1: { + StorageLive(_5); // scope 1 at $DIR/structs.rs:+1:17: +1:18 + _5 = ((_2 as Some).0: usize); // scope 1 at $DIR/structs.rs:+1:17: +1:18 + _0 = _5; // scope 1 at $DIR/structs.rs:+1:32: +1:33 + StorageDead(_5); // scope 0 at $DIR/structs.rs:+1:34: +1:35 + goto -> bb3; // scope 0 at $DIR/structs.rs:+1:5: +1:46 + } + + bb2: { + _0 = const 0_usize; // scope 0 at $DIR/structs.rs:+1:43: +1:44 + goto -> bb3; // scope 0 at $DIR/structs.rs:+1:5: +1:46 + } + + bb3: { + StorageDead(_2); // scope 0 at $DIR/structs.rs:+2:1: +2:2 + return; // scope 0 at $DIR/structs.rs:+2:2: +2:2 + } + } + diff --git a/tests/mir-opt/sroa/structs.escaping.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.escaping.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..d45823d4bac --- /dev/null +++ b/tests/mir-opt/sroa/structs.escaping.ScalarReplacementOfAggregates.diff @@ -0,0 +1,44 @@ +- // MIR for `escaping` before ScalarReplacementOfAggregates ++ // MIR for `escaping` after ScalarReplacementOfAggregates + + fn escaping() -> () { + let mut _0: (); // return place in scope 0 at $DIR/structs.rs:+0:19: +0:19 + let _1: (); // in scope 0 at $DIR/structs.rs:+1:5: +1:42 + let mut _2: *const u32; // in scope 0 at $DIR/structs.rs:+1:7: +1:41 + let _3: &u32; // in scope 0 at $DIR/structs.rs:+1:7: +1:41 + let _4: Escaping; // in scope 0 at $DIR/structs.rs:+1:8: +1:39 + let mut _5: u32; // in scope 0 at $DIR/structs.rs:+1:34: +1:37 + + bb0: { + StorageLive(_1); // scope 0 at $DIR/structs.rs:+1:5: +1:42 + StorageLive(_2); // scope 0 at $DIR/structs.rs:+1:7: +1:41 + StorageLive(_3); // scope 0 at $DIR/structs.rs:+1:7: +1:41 + StorageLive(_4); // scope 0 at $DIR/structs.rs:+1:8: +1:39 + StorageLive(_5); // scope 0 at $DIR/structs.rs:+1:34: +1:37 + _5 = g() -> bb1; // scope 0 at $DIR/structs.rs:+1:34: +1:37 + // mir::Constant + // + span: $DIR/structs.rs:78:34: 78:35 + // + literal: Const { ty: fn() -> u32 {g}, val: Value(<ZST>) } + } + + bb1: { + _4 = Escaping { a: const 1_u32, b: const 2_u32, c: move _5 }; // scope 0 at $DIR/structs.rs:+1:8: +1:39 + StorageDead(_5); // scope 0 at $DIR/structs.rs:+1:38: +1:39 + _3 = &(_4.0: u32); // scope 0 at $DIR/structs.rs:+1:7: +1:41 + _2 = &raw const (*_3); // scope 0 at $DIR/structs.rs:+1:7: +1:41 + _1 = f(move _2) -> bb2; // scope 0 at $DIR/structs.rs:+1:5: +1:42 + // mir::Constant + // + span: $DIR/structs.rs:78:5: 78:6 + // + literal: Const { ty: fn(*const u32) {f}, val: Value(<ZST>) } + } + + bb2: { + StorageDead(_2); // scope 0 at $DIR/structs.rs:+1:41: +1:42 + StorageDead(_4); // scope 0 at $DIR/structs.rs:+1:42: +1:43 + StorageDead(_3); // scope 0 at $DIR/structs.rs:+1:42: +1:43 + StorageDead(_1); // scope 0 at $DIR/structs.rs:+1:42: +1:43 + _0 = const (); // scope 0 at $DIR/structs.rs:+0:19: +2:2 + return; // scope 0 at $DIR/structs.rs:+2:2: +2:2 + } + } + diff --git a/tests/mir-opt/sroa/structs.flat.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.flat.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..1aa11d17b67 --- /dev/null +++ b/tests/mir-opt/sroa/structs.flat.ScalarReplacementOfAggregates.diff @@ -0,0 +1,80 @@ +- // MIR for `flat` before ScalarReplacementOfAggregates ++ // MIR for `flat` after ScalarReplacementOfAggregates + + fn flat() -> () { + let mut _0: (); // return place in scope 0 at $DIR/structs.rs:+0:15: +0:15 + let _1: u8; // in scope 0 at $DIR/structs.rs:+1:15: +1:16 + let _2: (); // in scope 0 at $DIR/structs.rs:+1:18: +1:19 + let _3: &str; // in scope 0 at $DIR/structs.rs:+1:21: +1:22 + let _4: std::option::Option<isize>; // in scope 0 at $DIR/structs.rs:+1:24: +1:25 + let mut _5: Foo; // in scope 0 at $DIR/structs.rs:+1:30: +1:70 + let mut _6: (); // in scope 0 at $DIR/structs.rs:+1:45: +1:47 + let mut _7: std::option::Option<isize>; // in scope 0 at $DIR/structs.rs:+1:60: +1:68 ++ let mut _8: u8; // in scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ let mut _9: (); // in scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ let mut _10: &str; // in scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ let mut _11: std::option::Option<isize>; // in scope 0 at $DIR/structs.rs:+1:30: +1:70 + scope 1 { + debug a => _1; // in scope 1 at $DIR/structs.rs:+1:15: +1:16 + debug b => _2; // in scope 1 at $DIR/structs.rs:+1:18: +1:19 + debug c => _3; // in scope 1 at $DIR/structs.rs:+1:21: +1:22 + debug d => _4; // in scope 1 at $DIR/structs.rs:+1:24: +1:25 + scope 2 { + scope 3 { + scope 4 { + scope 5 { + } + } + } + } + } + + bb0: { +- StorageLive(_5); // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ StorageLive(_8); // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ StorageLive(_9); // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ StorageLive(_10); // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ StorageLive(_11); // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ nop; // scope 0 at $DIR/structs.rs:+1:30: +1:70 + StorageLive(_6); // scope 0 at $DIR/structs.rs:+1:45: +1:47 + _6 = (); // scope 0 at $DIR/structs.rs:+1:45: +1:47 + StorageLive(_7); // scope 0 at $DIR/structs.rs:+1:60: +1:68 + _7 = Option::<isize>::Some(const -4_isize); // scope 0 at $DIR/structs.rs:+1:60: +1:68 +- _5 = Foo { a: const 5_u8, b: move _6, c: const "a", d: move _7 }; // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ _8 = const 5_u8; // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ _9 = move _6; // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ _10 = const "a"; // scope 0 at $DIR/structs.rs:+1:30: +1:70 + // mir::Constant + // + span: $DIR/structs.rs:53:52: 53:55 + // + literal: Const { ty: &str, val: Value(Slice(..)) } ++ _11 = move _7; // scope 0 at $DIR/structs.rs:+1:30: +1:70 ++ nop; // scope 0 at $DIR/structs.rs:+1:30: +1:70 + StorageDead(_7); // scope 0 at $DIR/structs.rs:+1:69: +1:70 + StorageDead(_6); // scope 0 at $DIR/structs.rs:+1:69: +1:70 + StorageLive(_1); // scope 0 at $DIR/structs.rs:+1:15: +1:16 +- _1 = (_5.0: u8); // scope 0 at $DIR/structs.rs:+1:15: +1:16 ++ _1 = _8; // scope 0 at $DIR/structs.rs:+1:15: +1:16 + StorageLive(_2); // scope 0 at $DIR/structs.rs:+1:18: +1:19 +- _2 = (_5.1: ()); // scope 0 at $DIR/structs.rs:+1:18: +1:19 ++ _2 = _9; // scope 0 at $DIR/structs.rs:+1:18: +1:19 + StorageLive(_3); // scope 0 at $DIR/structs.rs:+1:21: +1:22 +- _3 = (_5.2: &str); // scope 0 at $DIR/structs.rs:+1:21: +1:22 ++ _3 = _10; // scope 0 at $DIR/structs.rs:+1:21: +1:22 + StorageLive(_4); // scope 0 at $DIR/structs.rs:+1:24: +1:25 +- _4 = (_5.3: std::option::Option<isize>); // scope 0 at $DIR/structs.rs:+1:24: +1:25 +- StorageDead(_5); // scope 0 at $DIR/structs.rs:+1:70: +1:71 ++ _4 = _11; // scope 0 at $DIR/structs.rs:+1:24: +1:25 ++ StorageDead(_8); // scope 0 at $DIR/structs.rs:+1:70: +1:71 ++ StorageDead(_9); // scope 0 at $DIR/structs.rs:+1:70: +1:71 ++ StorageDead(_10); // scope 0 at $DIR/structs.rs:+1:70: +1:71 ++ StorageDead(_11); // scope 0 at $DIR/structs.rs:+1:70: +1:71 ++ nop; // scope 0 at $DIR/structs.rs:+1:70: +1:71 + _0 = const (); // scope 0 at $DIR/structs.rs:+0:15: +6:2 + StorageDead(_4); // scope 0 at $DIR/structs.rs:+6:1: +6:2 + StorageDead(_3); // scope 0 at $DIR/structs.rs:+6:1: +6:2 + StorageDead(_2); // scope 0 at $DIR/structs.rs:+6:1: +6:2 + StorageDead(_1); // scope 0 at $DIR/structs.rs:+6:1: +6:2 + return; // scope 0 at $DIR/structs.rs:+6:2: +6:2 + } + } + diff --git a/tests/mir-opt/sroa/structs.ref_copies.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.ref_copies.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..7b09ac18263 --- /dev/null +++ b/tests/mir-opt/sroa/structs.ref_copies.ScalarReplacementOfAggregates.diff @@ -0,0 +1,56 @@ +- // MIR for `ref_copies` before ScalarReplacementOfAggregates ++ // MIR for `ref_copies` after ScalarReplacementOfAggregates + + fn ref_copies(_1: &Foo) -> () { + debug x => _1; // in scope 0 at $DIR/structs.rs:+0:15: +0:16 + let mut _0: (); // return place in scope 0 at $DIR/structs.rs:+0:24: +0:24 + let _2: Foo; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _5: u8; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _6: (); // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _7: &str; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ let _8: std::option::Option<isize>; // in scope 0 at $DIR/structs.rs:+1:9: +1:10 + scope 1 { +- debug y => _2; // in scope 1 at $DIR/structs.rs:+1:9: +1:10 ++ debug y => Foo{ .0 => _5, .1 => _6, .2 => _7, .3 => _8, }; // in scope 1 at $DIR/structs.rs:+1:9: +1:10 + let _3: u8; // in scope 1 at $DIR/structs.rs:+2:9: +2:10 + scope 2 { + debug t => _3; // in scope 2 at $DIR/structs.rs:+2:9: +2:10 + let _4: &str; // in scope 2 at $DIR/structs.rs:+3:9: +3:10 + scope 3 { + debug u => _4; // in scope 3 at $DIR/structs.rs:+3:9: +3:10 + } + } + } + + bb0: { +- StorageLive(_2); // scope 0 at $DIR/structs.rs:+1:9: +1:10 +- _2 = (*_1); // scope 0 at $DIR/structs.rs:+1:13: +1:15 ++ StorageLive(_5); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ StorageLive(_6); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ StorageLive(_7); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ StorageLive(_8); // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ nop; // scope 0 at $DIR/structs.rs:+1:9: +1:10 ++ _5 = ((*_1).0: u8); // scope 0 at $DIR/structs.rs:+1:13: +1:15 ++ _6 = ((*_1).1: ()); // scope 0 at $DIR/structs.rs:+1:13: +1:15 ++ _7 = ((*_1).2: &str); // scope 0 at $DIR/structs.rs:+1:13: +1:15 ++ _8 = ((*_1).3: std::option::Option<isize>); // scope 0 at $DIR/structs.rs:+1:13: +1:15 ++ nop; // scope 0 at $DIR/structs.rs:+1:13: +1:15 + StorageLive(_3); // scope 1 at $DIR/structs.rs:+2:9: +2:10 +- _3 = (_2.0: u8); // scope 1 at $DIR/structs.rs:+2:13: +2:16 ++ _3 = _5; // scope 1 at $DIR/structs.rs:+2:13: +2:16 + StorageLive(_4); // scope 2 at $DIR/structs.rs:+3:9: +3:10 +- _4 = (_2.2: &str); // scope 2 at $DIR/structs.rs:+3:13: +3:16 ++ _4 = _7; // scope 2 at $DIR/structs.rs:+3:13: +3:16 + _0 = const (); // scope 0 at $DIR/structs.rs:+0:24: +4:2 + StorageDead(_4); // scope 2 at $DIR/structs.rs:+4:1: +4:2 + StorageDead(_3); // scope 1 at $DIR/structs.rs:+4:1: +4:2 +- StorageDead(_2); // scope 0 at $DIR/structs.rs:+4:1: +4:2 ++ StorageDead(_5); // scope 0 at $DIR/structs.rs:+4:1: +4:2 ++ StorageDead(_6); // scope 0 at $DIR/structs.rs:+4:1: +4:2 ++ StorageDead(_7); // scope 0 at $DIR/structs.rs:+4:1: +4:2 ++ StorageDead(_8); // scope 0 at $DIR/structs.rs:+4:1: +4:2 ++ nop; // scope 0 at $DIR/structs.rs:+4:1: +4:2 + return; // scope 0 at $DIR/structs.rs:+4:2: +4:2 + } + } + diff --git a/tests/mir-opt/sroa.rs b/tests/mir-opt/sroa/structs.rs index fff92cf8d9f..7946eeaeae4 100644 --- a/tests/mir-opt/sroa.rs +++ b/tests/mir-opt/sroa/structs.rs @@ -111,12 +111,12 @@ fn main() { constant(); } -// EMIT_MIR sroa.dropping.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.enums.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.structs.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.unions.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.flat.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.escaping.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.copies.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.ref_copies.ScalarReplacementOfAggregates.diff -// EMIT_MIR sroa.constant.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.dropping.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.enums.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.structs.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.unions.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.flat.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.escaping.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.copies.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.ref_copies.ScalarReplacementOfAggregates.diff +// EMIT_MIR structs.constant.ScalarReplacementOfAggregates.diff diff --git a/tests/mir-opt/sroa/structs.structs.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.structs.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..c94e4b137bc --- /dev/null +++ b/tests/mir-opt/sroa/structs.structs.ScalarReplacementOfAggregates.diff @@ -0,0 +1,33 @@ +- // MIR for `structs` before ScalarReplacementOfAggregates ++ // MIR for `structs` after ScalarReplacementOfAggregates + + fn structs(_1: f32) -> f32 { + debug a => _1; // in scope 0 at $DIR/structs.rs:+0:16: +0:17 + let mut _0: f32; // return place in scope 0 at $DIR/structs.rs:+0:27: +0:30 + let mut _2: structs::U; // in scope 0 at $DIR/structs.rs:+6:5: +6:21 + let mut _3: f32; // in scope 0 at $DIR/structs.rs:+6:18: +6:19 ++ let mut _4: usize; // in scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ let mut _5: f32; // in scope 0 at $DIR/structs.rs:+6:5: +6:21 + + bb0: { +- StorageLive(_2); // scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ StorageLive(_4); // scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ StorageLive(_5); // scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ nop; // scope 0 at $DIR/structs.rs:+6:5: +6:21 + StorageLive(_3); // scope 0 at $DIR/structs.rs:+6:18: +6:19 + _3 = _1; // scope 0 at $DIR/structs.rs:+6:18: +6:19 +- _2 = U { _foo: const 0_usize, a: move _3 }; // scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ _4 = const 0_usize; // scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ _5 = move _3; // scope 0 at $DIR/structs.rs:+6:5: +6:21 ++ nop; // scope 0 at $DIR/structs.rs:+6:5: +6:21 + StorageDead(_3); // scope 0 at $DIR/structs.rs:+6:20: +6:21 +- _0 = (_2.1: f32); // scope 0 at $DIR/structs.rs:+6:5: +6:23 +- StorageDead(_2); // scope 0 at $DIR/structs.rs:+7:1: +7:2 ++ _0 = _5; // scope 0 at $DIR/structs.rs:+6:5: +6:23 ++ StorageDead(_4); // scope 0 at $DIR/structs.rs:+7:1: +7:2 ++ StorageDead(_5); // scope 0 at $DIR/structs.rs:+7:1: +7:2 ++ nop; // scope 0 at $DIR/structs.rs:+7:1: +7:2 + return; // scope 0 at $DIR/structs.rs:+7:2: +7:2 + } + } + diff --git a/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff b/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff new file mode 100644 index 00000000000..5aa054589e4 --- /dev/null +++ b/tests/mir-opt/sroa/structs.unions.ScalarReplacementOfAggregates.diff @@ -0,0 +1,23 @@ +- // MIR for `unions` before ScalarReplacementOfAggregates ++ // MIR for `unions` after ScalarReplacementOfAggregates + + fn unions(_1: f32) -> u32 { + debug a => _1; // in scope 0 at $DIR/structs.rs:+0:15: +0:16 + let mut _0: u32; // return place in scope 0 at $DIR/structs.rs:+0:26: +0:29 + let mut _2: unions::Repr; // in scope 0 at $DIR/structs.rs:+5:14: +5:27 + let mut _3: f32; // in scope 0 at $DIR/structs.rs:+5:24: +5:25 + scope 1 { + } + + bb0: { + StorageLive(_2); // scope 1 at $DIR/structs.rs:+5:14: +5:27 + StorageLive(_3); // scope 1 at $DIR/structs.rs:+5:24: +5:25 + _3 = _1; // scope 1 at $DIR/structs.rs:+5:24: +5:25 + _2 = Repr { f: move _3 }; // scope 1 at $DIR/structs.rs:+5:14: +5:27 + StorageDead(_3); // scope 1 at $DIR/structs.rs:+5:26: +5:27 + _0 = (_2.1: u32); // scope 1 at $DIR/structs.rs:+5:14: +5:29 + StorageDead(_2); // scope 0 at $DIR/structs.rs:+6:1: +6:2 + return; // scope 0 at $DIR/structs.rs:+6:2: +6:2 + } + } + |