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Replace the run_passes! macro with a regular function
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As suggested in the feedback for #55244.

When I replaced the macro with a function, rustc started complaining
that there were two unused functions so I also removed those.
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@wesleywiser
wesleywiser committed Oct 23, 2018
1 parent 895a4b2 commit c535147
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Showing 3 changed files with 67 additions and 82 deletions.
1 change: 0 additions & 1 deletion src/librustc_mir/dataflow/impls/borrows.rs
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Expand Up @@ -184,7 +184,6 @@ impl<'a, 'gcx, 'tcx> Borrows<'a, 'gcx, 'tcx> {
}

crate fn borrows(&self) -> &IndexVec<BorrowIndex, BorrowData<'tcx>> { &self.borrow_set.borrows }
pub fn scope_tree(&self) -> &Lrc<region::ScopeTree> { &self.scope_tree }

pub fn location(&self, idx: BorrowIndex) -> &Location {
&self.borrow_set.borrows[idx].reserve_location
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14 changes: 0 additions & 14 deletions src/librustc_mir/dataflow/mod.rs
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Expand Up @@ -724,20 +724,6 @@ impl<'a, 'tcx, D> DataflowAnalysis<'a, 'tcx, D> where D: BitDenotation
}
}
}

pub fn new_from_sets(mir: &'a Mir<'tcx>,
dead_unwinds: &'a BitSet<mir::BasicBlock>,
sets: AllSets<D::Idx>,
denotation: D) -> Self {
DataflowAnalysis {
mir,
dead_unwinds,
flow_state: DataflowState {
sets: sets,
operator: denotation,
}
}
}
}

impl<'a, 'tcx: 'a, D> DataflowAnalysis<'a, 'tcx, D> where D: BitDenotation
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134 changes: 67 additions & 67 deletions src/librustc_mir/transform/mod.rs
View file
Expand Up @@ -155,68 +155,68 @@ pub trait MirPass {
mir: &mut Mir<'tcx>);
}

pub macro run_passes(
$tcx:ident,
$mir:ident,
$def_id:ident,
$mir_phase:expr;
$($pass:expr,)*
) {{
let phase_index = $mir_phase.phase_index();

let run_passes = |mir: &mut _, promoted| {
let mir: &mut Mir<'_> = mir;

if mir.phase >= $mir_phase {
pub fn run_passes(
tcx: TyCtxt<'a, 'tcx, 'tcx>,
mir: &mut Mir<'tcx>,
def_id: DefId,
mir_phase: MirPhase,
passes: &[&dyn MirPass]) {
let phase_index = mir_phase.phase_index();

let run_passes = |mir: &mut Mir<'tcx>, promoted| {
if mir.phase >= mir_phase {
return;
}

let source = MirSource {
def_id: $def_id,
promoted
def_id,
promoted,
};
let mut index = 0;
let mut run_pass = |pass: &dyn MirPass| {
let run_hooks = |mir: &_, index, is_after| {
dump_mir::on_mir_pass($tcx, &format_args!("{:03}-{:03}", phase_index, index),
dump_mir::on_mir_pass(tcx, &format_args!("{:03}-{:03}", phase_index, index),
&pass.name(), source, mir, is_after);
};
run_hooks(mir, index, false);
pass.run_pass($tcx, source, mir);
pass.run_pass(tcx, source, mir);
run_hooks(mir, index, true);

index += 1;
};
$(run_pass(&$pass);)*

mir.phase = $mir_phase;
for pass in passes {
run_pass(*pass);
}

mir.phase = mir_phase;
};

run_passes(&mut $mir, None);
run_passes(mir, None);

for (index, promoted_mir) in $mir.promoted.iter_enumerated_mut() {
for (index, promoted_mir) in mir.promoted.iter_enumerated_mut() {
run_passes(promoted_mir, Some(index));

// Let's make sure we don't miss any nested instances
assert!(promoted_mir.promoted.is_empty());
//Let's make sure we don't miss any nested instances
assert!(promoted_mir.promoted.is_empty())
}
}}
}

fn mir_const<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> &'tcx Steal<Mir<'tcx>> {
// Unsafety check uses the raw mir, so make sure it is run
let _ = tcx.unsafety_check_result(def_id);

let mut mir = tcx.mir_built(def_id).steal();
run_passes![tcx, mir, def_id, MirPhase::Const;
run_passes(tcx, &mut mir, def_id, MirPhase::Const, &[
// Remove all `EndRegion` statements that are not involved in borrows.
cleanup_post_borrowck::CleanEndRegions,
&cleanup_post_borrowck::CleanEndRegions,

// What we need to do constant evaluation.
simplify::SimplifyCfg::new("initial"),
type_check::TypeckMir,
rustc_peek::SanityCheck,
uniform_array_move_out::UniformArrayMoveOut,
];
&simplify::SimplifyCfg::new("initial"),
&type_check::TypeckMir,
&rustc_peek::SanityCheck,
&uniform_array_move_out::UniformArrayMoveOut,
]);
tcx.alloc_steal_mir(mir)
}

Expand All @@ -229,11 +229,11 @@ fn mir_validated<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> &'tcx
}

let mut mir = tcx.mir_const(def_id).steal();
run_passes![tcx, mir, def_id, MirPhase::Validated;
run_passes(tcx, &mut mir, def_id, MirPhase::Validated, &[
// What we need to run borrowck etc.
qualify_consts::QualifyAndPromoteConstants,
simplify::SimplifyCfg::new("qualify-consts"),
];
&qualify_consts::QualifyAndPromoteConstants,
&simplify::SimplifyCfg::new("qualify-consts"),
]);
tcx.alloc_steal_mir(mir)
}

Expand All @@ -247,59 +247,59 @@ fn optimized_mir<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> &'tcx
}

let mut mir = tcx.mir_validated(def_id).steal();
run_passes![tcx, mir, def_id, MirPhase::Optimized;
run_passes(tcx, &mut mir, def_id, MirPhase::Optimized, &[
// Remove all things not needed by analysis
no_landing_pads::NoLandingPads,
simplify_branches::SimplifyBranches::new("initial"),
remove_noop_landing_pads::RemoveNoopLandingPads,
&no_landing_pads::NoLandingPads,
&simplify_branches::SimplifyBranches::new("initial"),
&remove_noop_landing_pads::RemoveNoopLandingPads,
// Remove all `AscribeUserType` statements.
cleanup_post_borrowck::CleanAscribeUserType,
&cleanup_post_borrowck::CleanAscribeUserType,
// Remove all `FakeRead` statements and the borrows that are only
// used for checking matches
cleanup_post_borrowck::CleanFakeReadsAndBorrows,
simplify::SimplifyCfg::new("early-opt"),
&cleanup_post_borrowck::CleanFakeReadsAndBorrows,
&simplify::SimplifyCfg::new("early-opt"),

// These next passes must be executed together
add_call_guards::CriticalCallEdges,
elaborate_drops::ElaborateDrops,
no_landing_pads::NoLandingPads,
&add_call_guards::CriticalCallEdges,
&elaborate_drops::ElaborateDrops,
&no_landing_pads::NoLandingPads,
// AddValidation needs to run after ElaborateDrops and before EraseRegions, and it needs
// an AllCallEdges pass right before it.
add_call_guards::AllCallEdges,
add_validation::AddValidation,
&add_call_guards::AllCallEdges,
&add_validation::AddValidation,
// AddMovesForPackedDrops needs to run after drop
// elaboration.
add_moves_for_packed_drops::AddMovesForPackedDrops,
&add_moves_for_packed_drops::AddMovesForPackedDrops,

simplify::SimplifyCfg::new("elaborate-drops"),
&simplify::SimplifyCfg::new("elaborate-drops"),

// No lifetime analysis based on borrowing can be done from here on out.

// From here on out, regions are gone.
erase_regions::EraseRegions,
&erase_regions::EraseRegions,

lower_128bit::Lower128Bit,
&lower_128bit::Lower128Bit,


// Optimizations begin.
uniform_array_move_out::RestoreSubsliceArrayMoveOut,
inline::Inline,
&uniform_array_move_out::RestoreSubsliceArrayMoveOut,
&inline::Inline,

// Lowering generator control-flow and variables
// has to happen before we do anything else to them.
generator::StateTransform,

instcombine::InstCombine,
const_prop::ConstProp,
simplify_branches::SimplifyBranches::new("after-const-prop"),
deaggregator::Deaggregator,
copy_prop::CopyPropagation,
remove_noop_landing_pads::RemoveNoopLandingPads,
simplify::SimplifyCfg::new("final"),
simplify::SimplifyLocals,

add_call_guards::CriticalCallEdges,
dump_mir::Marker("PreCodegen"),
];
&generator::StateTransform,

&instcombine::InstCombine,
&const_prop::ConstProp,
&simplify_branches::SimplifyBranches::new("after-const-prop"),
&deaggregator::Deaggregator,
&copy_prop::CopyPropagation,
&remove_noop_landing_pads::RemoveNoopLandingPads,
&simplify::SimplifyCfg::new("final"),
&simplify::SimplifyLocals,

&add_call_guards::CriticalCallEdges,
&dump_mir::Marker("PreCodegen"),
]);
tcx.alloc_mir(mir)
}

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