diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index cd9b98e4f32..08d4b5fc395 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -109,7 +109,7 @@ mod simplify_branches; mod simplify_comparison_integral; mod sroa; -mod uninhabited_enum_branching; +mod unreachable_enum_branching; mod unreachable_prop; use rustc_const_eval::transform::check_consts::{self, ConstCx}; @@ -579,9 +579,10 @@ fn o1(x: T) -> WithMinOptLevel { &remove_zsts::RemoveZsts, &remove_unneeded_drops::RemoveUnneededDrops, // Type instantiation may create uninhabited enums. - &uninhabited_enum_branching::UninhabitedEnumBranching, + // Also eliminates some unreachable branches based on variants of enums. + &unreachable_enum_branching::UnreachableEnumBranching, &unreachable_prop::UnreachablePropagation, - &o1(simplify::SimplifyCfg::AfterUninhabitedEnumBranching), + &o1(simplify::SimplifyCfg::AfterUnreachableEnumBranching), // Inlining may have introduced a lot of redundant code and a large move pattern. // Now, we need to shrink the generated MIR. diff --git a/compiler/rustc_mir_transform/src/simplify.rs b/compiler/rustc_mir_transform/src/simplify.rs index 8c8818bd68e..7c26f8369e4 100644 --- a/compiler/rustc_mir_transform/src/simplify.rs +++ b/compiler/rustc_mir_transform/src/simplify.rs @@ -41,7 +41,7 @@ pub enum SimplifyCfg { ElaborateDrops, Final, MakeShim, - AfterUninhabitedEnumBranching, + AfterUnreachableEnumBranching, } impl SimplifyCfg { @@ -54,8 +54,8 @@ pub fn name(&self) -> &'static str { SimplifyCfg::ElaborateDrops => "SimplifyCfg-elaborate-drops", SimplifyCfg::Final => "SimplifyCfg-final", SimplifyCfg::MakeShim => "SimplifyCfg-make_shim", - SimplifyCfg::AfterUninhabitedEnumBranching => { - "SimplifyCfg-after-uninhabited-enum-branching" + SimplifyCfg::AfterUnreachableEnumBranching => { + "SimplifyCfg-after-unreachable-enum-branching" } } } diff --git a/compiler/rustc_mir_transform/src/uninhabited_enum_branching.rs b/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs similarity index 93% rename from compiler/rustc_mir_transform/src/uninhabited_enum_branching.rs rename to compiler/rustc_mir_transform/src/unreachable_enum_branching.rs index 57fe46ad75a..38e72e527e0 100644 --- a/compiler/rustc_mir_transform/src/uninhabited_enum_branching.rs +++ b/compiler/rustc_mir_transform/src/unreachable_enum_branching.rs @@ -1,4 +1,4 @@ -//! A pass that eliminates branches on uninhabited enum variants. +//! A pass that eliminates branches on uninhabited or unreachable enum variants. use crate::MirPass; use rustc_data_structures::fx::FxHashSet; @@ -11,7 +11,7 @@ use rustc_middle::ty::{Ty, TyCtxt}; use rustc_target::abi::{Abi, Variants}; -pub struct UninhabitedEnumBranching; +pub struct UnreachableEnumBranching; fn get_discriminant_local(terminator: &TerminatorKind<'_>) -> Option { if let TerminatorKind::SwitchInt { discr: Operand::Move(p), .. } = terminator { @@ -71,13 +71,13 @@ fn variant_discriminants<'tcx>( } } -impl<'tcx> MirPass<'tcx> for UninhabitedEnumBranching { +impl<'tcx> MirPass<'tcx> for UnreachableEnumBranching { fn is_enabled(&self, sess: &rustc_session::Session) -> bool { sess.mir_opt_level() > 0 } fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { - trace!("UninhabitedEnumBranching starting for {:?}", body.source); + trace!("UnreachableEnumBranching starting for {:?}", body.source); let mut unreachable_targets = Vec::new(); let mut patch = MirPatch::new(body); @@ -121,9 +121,9 @@ fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { } let otherwise_is_empty_unreachable = body.basic_blocks[targets.otherwise()].is_empty_unreachable(); - // After resolving https://github.com/llvm/llvm-project/issues/78578, - // we can remove the limit on the number of successors. fn check_successors(basic_blocks: &BasicBlocks<'_>, bb: BasicBlock) -> bool { + // After resolving https://github.com/llvm/llvm-project/issues/78578, + // We can remove this check. let mut successors = basic_blocks[bb].terminator().successors(); let Some(first_successor) = successors.next() else { return true }; if successors.next().is_some() { diff --git a/tests/mir-opt/simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-uninhabited-enum-branching.diff b/tests/mir-opt/simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-unreachable-enum-branching.diff similarity index 79% rename from tests/mir-opt/simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-uninhabited-enum-branching.diff rename to tests/mir-opt/simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-unreachable-enum-branching.diff index 35c0a4d45df..c94a8267e7b 100644 --- a/tests/mir-opt/simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-uninhabited-enum-branching.diff +++ b/tests/mir-opt/simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-unreachable-enum-branching.diff @@ -1,5 +1,5 @@ -- // MIR for `assert_nonzero_nonmax` before SimplifyCfg-after-uninhabited-enum-branching -+ // MIR for `assert_nonzero_nonmax` after SimplifyCfg-after-uninhabited-enum-branching +- // MIR for `assert_nonzero_nonmax` before SimplifyCfg-after-unreachable-enum-branching ++ // MIR for `assert_nonzero_nonmax` after SimplifyCfg-after-unreachable-enum-branching fn assert_nonzero_nonmax(_1: u8) -> u8 { let mut _0: u8; diff --git a/tests/mir-opt/simplify_duplicate_unreachable_blocks.rs b/tests/mir-opt/simplify_duplicate_unreachable_blocks.rs index d94e6111855..6300dafb8e2 100644 --- a/tests/mir-opt/simplify_duplicate_unreachable_blocks.rs +++ b/tests/mir-opt/simplify_duplicate_unreachable_blocks.rs @@ -4,9 +4,9 @@ use std::intrinsics::mir::*; -//@ unit-test: SimplifyCfg-after-uninhabited-enum-branching +//@ unit-test: SimplifyCfg-after-unreachable-enum-branching -// EMIT_MIR simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-uninhabited-enum-branching.diff +// EMIT_MIR simplify_duplicate_unreachable_blocks.assert_nonzero_nonmax.SimplifyCfg-after-unreachable-enum-branching.diff #[custom_mir(dialect = "runtime", phase = "post-cleanup")] pub unsafe fn assert_nonzero_nonmax(x: u8) -> u8 { mir!( diff --git a/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff b/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UnreachableEnumBranching.diff similarity index 83% rename from tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff rename to tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UnreachableEnumBranching.diff index daff4f9c85b..098b620dfaa 100644 --- a/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff +++ b/tests/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UnreachableEnumBranching.diff @@ -1,5 +1,5 @@ -- // MIR for `eliminate_fallthrough` before UninhabitedEnumBranching -+ // MIR for `eliminate_fallthrough` after UninhabitedEnumBranching +- // MIR for `eliminate_fallthrough` before UnreachableEnumBranching ++ // MIR for `eliminate_fallthrough` after UnreachableEnumBranching fn eliminate_fallthrough(_1: S) -> u32 { debug s => _1; diff --git a/tests/mir-opt/uninhabited_fallthrough_elimination.keep_fallthrough.UninhabitedEnumBranching.diff b/tests/mir-opt/uninhabited_fallthrough_elimination.keep_fallthrough.UnreachableEnumBranching.diff similarity index 83% rename from tests/mir-opt/uninhabited_fallthrough_elimination.keep_fallthrough.UninhabitedEnumBranching.diff rename to tests/mir-opt/uninhabited_fallthrough_elimination.keep_fallthrough.UnreachableEnumBranching.diff index 28a8c251d95..995e32b033f 100644 --- a/tests/mir-opt/uninhabited_fallthrough_elimination.keep_fallthrough.UninhabitedEnumBranching.diff +++ b/tests/mir-opt/uninhabited_fallthrough_elimination.keep_fallthrough.UnreachableEnumBranching.diff @@ -1,5 +1,5 @@ -- // MIR for `keep_fallthrough` before UninhabitedEnumBranching -+ // MIR for `keep_fallthrough` after UninhabitedEnumBranching +- // MIR for `keep_fallthrough` before UnreachableEnumBranching ++ // MIR for `keep_fallthrough` after UnreachableEnumBranching fn keep_fallthrough(_1: S) -> u32 { debug s => _1; diff --git a/tests/mir-opt/uninhabited_fallthrough_elimination.rs b/tests/mir-opt/uninhabited_fallthrough_elimination.rs index 7dd41aea5ed..537935d8ae4 100644 --- a/tests/mir-opt/uninhabited_fallthrough_elimination.rs +++ b/tests/mir-opt/uninhabited_fallthrough_elimination.rs @@ -9,7 +9,7 @@ enum S { use S::*; -// EMIT_MIR uninhabited_fallthrough_elimination.keep_fallthrough.UninhabitedEnumBranching.diff +// EMIT_MIR uninhabited_fallthrough_elimination.keep_fallthrough.UnreachableEnumBranching.diff fn keep_fallthrough(s: S) -> u32 { match s { A(_) => 1, @@ -18,7 +18,7 @@ fn keep_fallthrough(s: S) -> u32 { } } -// EMIT_MIR uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff +// EMIT_MIR uninhabited_fallthrough_elimination.eliminate_fallthrough.UnreachableEnumBranching.diff fn eliminate_fallthrough(s: S) -> u32 { match s { C => 1, diff --git a/tests/mir-opt/uninhabited_enum_branching.byref.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.byref.UnreachableEnumBranching.panic-abort.diff similarity index 95% rename from tests/mir-opt/uninhabited_enum_branching.byref.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.byref.UnreachableEnumBranching.panic-abort.diff index 1b7517c8d01..e5dab5d52a6 100644 --- a/tests/mir-opt/uninhabited_enum_branching.byref.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.byref.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `byref` before UninhabitedEnumBranching -+ // MIR for `byref` after UninhabitedEnumBranching +- // MIR for `byref` before UnreachableEnumBranching ++ // MIR for `byref` after UnreachableEnumBranching fn byref() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.byref.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.byref.UnreachableEnumBranching.panic-unwind.diff similarity index 95% rename from tests/mir-opt/uninhabited_enum_branching.byref.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.byref.UnreachableEnumBranching.panic-unwind.diff index 1b7517c8d01..e5dab5d52a6 100644 --- a/tests/mir-opt/uninhabited_enum_branching.byref.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.byref.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `byref` before UninhabitedEnumBranching -+ // MIR for `byref` after UninhabitedEnumBranching +- // MIR for `byref` before UnreachableEnumBranching ++ // MIR for `byref` after UnreachableEnumBranching fn byref() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.panic-abort.diff similarity index 85% rename from tests/mir-opt/uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.panic-abort.diff index f9a43480917..ea6cdbfbe66 100644 --- a/tests/mir-opt/uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `custom_discriminant` before UninhabitedEnumBranching -+ // MIR for `custom_discriminant` after UninhabitedEnumBranching +- // MIR for `custom_discriminant` before UnreachableEnumBranching ++ // MIR for `custom_discriminant` after UnreachableEnumBranching fn custom_discriminant() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.panic-unwind.diff similarity index 85% rename from tests/mir-opt/uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.panic-unwind.diff index f9a43480917..ea6cdbfbe66 100644 --- a/tests/mir-opt/uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `custom_discriminant` before UninhabitedEnumBranching -+ // MIR for `custom_discriminant` after UninhabitedEnumBranching +- // MIR for `custom_discriminant` before UnreachableEnumBranching ++ // MIR for `custom_discriminant` after UnreachableEnumBranching fn custom_discriminant() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.panic-abort.diff similarity index 89% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.panic-abort.diff index 383fde4d787..02b9f02f4c0 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t1` before UninhabitedEnumBranching -+ // MIR for `otherwise_t1` after UninhabitedEnumBranching +- // MIR for `otherwise_t1` before UnreachableEnumBranching ++ // MIR for `otherwise_t1` after UnreachableEnumBranching fn otherwise_t1() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.panic-unwind.diff similarity index 89% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.panic-unwind.diff index 383fde4d787..02b9f02f4c0 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t1` before UninhabitedEnumBranching -+ // MIR for `otherwise_t1` after UninhabitedEnumBranching +- // MIR for `otherwise_t1` before UnreachableEnumBranching ++ // MIR for `otherwise_t1` after UnreachableEnumBranching fn otherwise_t1() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.panic-abort.diff similarity index 87% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.panic-abort.diff index 3a2dc19db71..a6d6e0861b1 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t2` before UninhabitedEnumBranching -+ // MIR for `otherwise_t2` after UninhabitedEnumBranching +- // MIR for `otherwise_t2` before UnreachableEnumBranching ++ // MIR for `otherwise_t2` after UnreachableEnumBranching fn otherwise_t2() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.panic-unwind.diff similarity index 87% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.panic-unwind.diff index 3a2dc19db71..a6d6e0861b1 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t2` before UninhabitedEnumBranching -+ // MIR for `otherwise_t2` after UninhabitedEnumBranching +- // MIR for `otherwise_t2` before UnreachableEnumBranching ++ // MIR for `otherwise_t2` after UnreachableEnumBranching fn otherwise_t2() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.panic-abort.diff similarity index 89% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.panic-abort.diff index 5dc1e2b73f6..d3376442376 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t3` before UninhabitedEnumBranching -+ // MIR for `otherwise_t3` after UninhabitedEnumBranching +- // MIR for `otherwise_t3` before UnreachableEnumBranching ++ // MIR for `otherwise_t3` after UnreachableEnumBranching fn otherwise_t3() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.panic-unwind.diff similarity index 89% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.panic-unwind.diff index 5dc1e2b73f6..d3376442376 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t3` before UninhabitedEnumBranching -+ // MIR for `otherwise_t3` after UninhabitedEnumBranching +- // MIR for `otherwise_t3` before UnreachableEnumBranching ++ // MIR for `otherwise_t3` after UnreachableEnumBranching fn otherwise_t3() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.panic-abort.diff similarity index 88% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.panic-abort.diff index 1352dda4971..8f0d5b7cd99 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t4` before UninhabitedEnumBranching -+ // MIR for `otherwise_t4` after UninhabitedEnumBranching +- // MIR for `otherwise_t4` before UnreachableEnumBranching ++ // MIR for `otherwise_t4` after UnreachableEnumBranching fn otherwise_t4() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.panic-unwind.diff similarity index 88% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.panic-unwind.diff index 1352dda4971..8f0d5b7cd99 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `otherwise_t4` before UninhabitedEnumBranching -+ // MIR for `otherwise_t4` after UninhabitedEnumBranching +- // MIR for `otherwise_t4` before UnreachableEnumBranching ++ // MIR for `otherwise_t4` after UnreachableEnumBranching fn otherwise_t4() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.panic-abort.diff similarity index 84% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.panic-abort.diff index 40dd961fbac..b1ecd008582 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.panic-abort.diff @@ -1,7 +1,7 @@ -- // MIR for `otherwise_t4_uninhabited_default` before UninhabitedEnumBranching -+ // MIR for `otherwise_t4_uninhabited_default` after UninhabitedEnumBranching +- // MIR for `otherwise_t4_unreachable_default` before UnreachableEnumBranching ++ // MIR for `otherwise_t4_unreachable_default` after UnreachableEnumBranching - fn otherwise_t4_uninhabited_default() -> () { + fn otherwise_t4_unreachable_default() -> () { let mut _0: (); let _1: &str; let mut _2: Test4; diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.panic-unwind.diff similarity index 84% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.panic-unwind.diff index 40dd961fbac..b1ecd008582 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.panic-unwind.diff @@ -1,7 +1,7 @@ -- // MIR for `otherwise_t4_uninhabited_default` before UninhabitedEnumBranching -+ // MIR for `otherwise_t4_uninhabited_default` after UninhabitedEnumBranching +- // MIR for `otherwise_t4_unreachable_default` before UnreachableEnumBranching ++ // MIR for `otherwise_t4_unreachable_default` after UnreachableEnumBranching - fn otherwise_t4_uninhabited_default() -> () { + fn otherwise_t4_unreachable_default() -> () { let mut _0: (); let _1: &str; let mut _2: Test4; diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.panic-abort.diff similarity index 87% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.panic-abort.diff index ac39f6be6c6..28c6d4fb675 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.panic-abort.diff @@ -1,7 +1,7 @@ -- // MIR for `otherwise_t4_uninhabited_default_2` before UninhabitedEnumBranching -+ // MIR for `otherwise_t4_uninhabited_default_2` after UninhabitedEnumBranching +- // MIR for `otherwise_t4_unreachable_default_2` before UnreachableEnumBranching ++ // MIR for `otherwise_t4_unreachable_default_2` after UnreachableEnumBranching - fn otherwise_t4_uninhabited_default_2() -> () { + fn otherwise_t4_unreachable_default_2() -> () { let mut _0: (); let _1: &str; let mut _2: Test4; diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.panic-unwind.diff similarity index 87% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.panic-unwind.diff index ac39f6be6c6..28c6d4fb675 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.panic-unwind.diff @@ -1,7 +1,7 @@ -- // MIR for `otherwise_t4_uninhabited_default_2` before UninhabitedEnumBranching -+ // MIR for `otherwise_t4_uninhabited_default_2` after UninhabitedEnumBranching +- // MIR for `otherwise_t4_unreachable_default_2` before UnreachableEnumBranching ++ // MIR for `otherwise_t4_unreachable_default_2` after UnreachableEnumBranching - fn otherwise_t4_uninhabited_default_2() -> () { + fn otherwise_t4_unreachable_default_2() -> () { let mut _0: (); let _1: &str; let mut _2: Test4; diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.panic-abort.diff similarity index 85% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.panic-abort.diff index 8180428a6f4..f36a7efd80d 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.panic-abort.diff @@ -1,7 +1,7 @@ -- // MIR for `otherwise_t5_uninhabited_default` before UninhabitedEnumBranching -+ // MIR for `otherwise_t5_uninhabited_default` after UninhabitedEnumBranching +- // MIR for `otherwise_t5_unreachable_default` before UnreachableEnumBranching ++ // MIR for `otherwise_t5_unreachable_default` after UnreachableEnumBranching - fn otherwise_t5_uninhabited_default() -> () { + fn otherwise_t5_unreachable_default() -> () { let mut _0: (); let _1: &str; let mut _2: Test5; diff --git a/tests/mir-opt/uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.panic-unwind.diff similarity index 86% rename from tests/mir-opt/uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.panic-unwind.diff index b13d5816aed..20e31c24c84 100644 --- a/tests/mir-opt/uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.panic-unwind.diff @@ -1,7 +1,7 @@ -- // MIR for `otherwise_t5_uninhabited_default` before UninhabitedEnumBranching -+ // MIR for `otherwise_t5_uninhabited_default` after UninhabitedEnumBranching +- // MIR for `otherwise_t5_unreachable_default` before UnreachableEnumBranching ++ // MIR for `otherwise_t5_unreachable_default` after UnreachableEnumBranching - fn otherwise_t5_uninhabited_default() -> () { + fn otherwise_t5_unreachable_default() -> () { let mut _0: (); let _1: &str; let mut _2: Test5; diff --git a/tests/mir-opt/uninhabited_enum_branching.rs b/tests/mir-opt/unreachable_enum_branching.rs similarity index 80% rename from tests/mir-opt/uninhabited_enum_branching.rs rename to tests/mir-opt/unreachable_enum_branching.rs index 6de001be979..156b23657b7 100644 --- a/tests/mir-opt/uninhabited_enum_branching.rs +++ b/tests/mir-opt/unreachable_enum_branching.rs @@ -1,4 +1,4 @@ -//@ unit-test: UninhabitedEnumBranching +//@ unit-test: UnreachableEnumBranching // EMIT_MIR_FOR_EACH_PANIC_STRATEGY enum Empty {} @@ -45,7 +45,7 @@ struct Plop { test3: Test3, } -// EMIT_MIR uninhabited_enum_branching.simple.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.simple.UnreachableEnumBranching.diff fn simple() { // CHECK-LABEL: fn simple( // CHECK: [[discr:_.*]] = discriminant( @@ -59,7 +59,7 @@ fn simple() { }; } -// EMIT_MIR uninhabited_enum_branching.custom_discriminant.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.custom_discriminant.UnreachableEnumBranching.diff fn custom_discriminant() { // CHECK-LABEL: fn custom_discriminant( // CHECK: [[discr:_.*]] = discriminant( @@ -72,7 +72,7 @@ fn custom_discriminant() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t1.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.otherwise_t1.UnreachableEnumBranching.diff fn otherwise_t1() { // CHECK-LABEL: fn otherwise_t1( // CHECK: [[discr:_.*]] = discriminant( @@ -86,7 +86,7 @@ fn otherwise_t1() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t2.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.otherwise_t2.UnreachableEnumBranching.diff fn otherwise_t2() { // CHECK-LABEL: fn otherwise_t2( // CHECK: [[discr:_.*]] = discriminant( @@ -99,7 +99,7 @@ fn otherwise_t2() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t3.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.otherwise_t3.UnreachableEnumBranching.diff fn otherwise_t3() { // CHECK-LABEL: fn otherwise_t3( // CHECK: [[discr:_.*]] = discriminant( @@ -116,9 +116,9 @@ fn otherwise_t3() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t4_uninhabited_default.UninhabitedEnumBranching.diff -fn otherwise_t4_uninhabited_default() { - // CHECK-LABEL: fn otherwise_t4_uninhabited_default( +// EMIT_MIR unreachable_enum_branching.otherwise_t4_unreachable_default.UnreachableEnumBranching.diff +fn otherwise_t4_unreachable_default() { + // CHECK-LABEL: fn otherwise_t4_unreachable_default( // CHECK: [[discr:_.*]] = discriminant( // CHECK: switchInt(move [[discr]]) -> [0: bb2, 1: bb3, 2: bb4, 3: bb1, otherwise: [[unreachable:bb.*]]]; // CHECK: [[unreachable]]: { @@ -131,9 +131,9 @@ fn otherwise_t4_uninhabited_default() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t4_uninhabited_default_2.UninhabitedEnumBranching.diff -fn otherwise_t4_uninhabited_default_2() { - // CHECK-LABEL: fn otherwise_t4_uninhabited_default_2( +// EMIT_MIR unreachable_enum_branching.otherwise_t4_unreachable_default_2.UnreachableEnumBranching.diff +fn otherwise_t4_unreachable_default_2() { + // CHECK-LABEL: fn otherwise_t4_unreachable_default_2( // CHECK: [[discr:_.*]] = discriminant( // CHECK: switchInt(move [[discr]]) -> [0: bb2, 1: bb5, 2: bb6, 3: bb1, otherwise: [[unreachable:bb.*]]]; // CHECK: [[unreachable]]: { @@ -147,7 +147,7 @@ fn otherwise_t4_uninhabited_default_2() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t4.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.otherwise_t4.UnreachableEnumBranching.diff fn otherwise_t4() { // CHECK-LABEL: fn otherwise_t4( // CHECK: [[discr:_.*]] = discriminant( @@ -162,9 +162,9 @@ fn otherwise_t4() { }; } -// EMIT_MIR uninhabited_enum_branching.otherwise_t5_uninhabited_default.UninhabitedEnumBranching.diff -fn otherwise_t5_uninhabited_default() { - // CHECK-LABEL: fn otherwise_t5_uninhabited_default( +// EMIT_MIR unreachable_enum_branching.otherwise_t5_unreachable_default.UnreachableEnumBranching.diff +fn otherwise_t5_unreachable_default() { + // CHECK-LABEL: fn otherwise_t5_unreachable_default( // CHECK: [[discr:_.*]] = discriminant( // CHECK: switchInt(move [[discr]]) -> [255: bb2, 0: bb3, 5: bb4, 3: bb1, otherwise: [[unreachable:bb.*]]]; // CHECK: [[unreachable]]: { @@ -177,7 +177,7 @@ fn otherwise_t5_uninhabited_default() { }; } -// EMIT_MIR uninhabited_enum_branching.byref.UninhabitedEnumBranching.diff +// EMIT_MIR unreachable_enum_branching.byref.UnreachableEnumBranching.diff fn byref() { // CHECK-LABEL: fn byref( let plop = Plop { xx: 51, test3: Test3::C }; @@ -210,9 +210,9 @@ fn main() { otherwise_t1(); otherwise_t2(); otherwise_t3(); - otherwise_t4_uninhabited_default(); - otherwise_t4_uninhabited_default_2(); + otherwise_t4_unreachable_default(); + otherwise_t4_unreachable_default_2(); otherwise_t4(); - otherwise_t5_uninhabited_default::(); + otherwise_t5_unreachable_default::(); byref(); } diff --git a/tests/mir-opt/uninhabited_enum_branching.simple.UninhabitedEnumBranching.panic-abort.diff b/tests/mir-opt/unreachable_enum_branching.simple.UnreachableEnumBranching.panic-abort.diff similarity index 90% rename from tests/mir-opt/uninhabited_enum_branching.simple.UninhabitedEnumBranching.panic-abort.diff rename to tests/mir-opt/unreachable_enum_branching.simple.UnreachableEnumBranching.panic-abort.diff index 674d3a25504..a85fc0da992 100644 --- a/tests/mir-opt/uninhabited_enum_branching.simple.UninhabitedEnumBranching.panic-abort.diff +++ b/tests/mir-opt/unreachable_enum_branching.simple.UnreachableEnumBranching.panic-abort.diff @@ -1,5 +1,5 @@ -- // MIR for `simple` before UninhabitedEnumBranching -+ // MIR for `simple` after UninhabitedEnumBranching +- // MIR for `simple` before UnreachableEnumBranching ++ // MIR for `simple` after UnreachableEnumBranching fn simple() -> () { let mut _0: (); diff --git a/tests/mir-opt/uninhabited_enum_branching.simple.UninhabitedEnumBranching.panic-unwind.diff b/tests/mir-opt/unreachable_enum_branching.simple.UnreachableEnumBranching.panic-unwind.diff similarity index 90% rename from tests/mir-opt/uninhabited_enum_branching.simple.UninhabitedEnumBranching.panic-unwind.diff rename to tests/mir-opt/unreachable_enum_branching.simple.UnreachableEnumBranching.panic-unwind.diff index 674d3a25504..a85fc0da992 100644 --- a/tests/mir-opt/uninhabited_enum_branching.simple.UninhabitedEnumBranching.panic-unwind.diff +++ b/tests/mir-opt/unreachable_enum_branching.simple.UnreachableEnumBranching.panic-unwind.diff @@ -1,5 +1,5 @@ -- // MIR for `simple` before UninhabitedEnumBranching -+ // MIR for `simple` after UninhabitedEnumBranching +- // MIR for `simple` before UnreachableEnumBranching ++ // MIR for `simple` after UnreachableEnumBranching fn simple() -> () { let mut _0: ();