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Rename Abort terminator to Terminate

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Unify terminology used in unwind action and terminator, and reflect
the fact that a nounwind panic is triggered instead of an immediate
abort is triggered for this terminator.
This commit is contained in:
Gary Guo 2022-10-31 01:01:24 +00:00
parent 0a5dac3062
commit e3f2edc75b
36 changed files with 112 additions and 67 deletions
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2
compiler/rustc_mir_transform/src/check_unsafety.rs
View file

@ -57,7 +57,7 @@ impl<'tcx> Visitor<'tcx> for UnsafetyChecker<'_, 'tcx> {
| TerminatorKind::Assert { .. }
| TerminatorKind::GeneratorDrop
| TerminatorKind::Resume
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::FalseEdge { .. }

2
compiler/rustc_mir_transform/src/const_prop.rs
View file

@ -959,7 +959,7 @@ impl<'tcx> MutVisitor<'tcx> for ConstPropagator<'_, 'tcx> {
// None of these have Operands to const-propagate.
TerminatorKind::Goto { .. }
| TerminatorKind::Resume
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::Drop { .. }

2
compiler/rustc_mir_transform/src/const_prop_lint.rs
View file

@ -686,7 +686,7 @@ impl<'tcx> Visitor<'tcx> for ConstPropagator<'_, 'tcx> {
// None of these have Operands to const-propagate.
TerminatorKind::Goto { .. }
| TerminatorKind::Resume
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::Drop { .. }

2
compiler/rustc_mir_transform/src/coverage/debug.rs
View file

@ -818,7 +818,7 @@ pub(super) fn term_type(kind: &TerminatorKind<'_>) -> &'static str {
TerminatorKind::Goto { .. } => "Goto",
TerminatorKind::SwitchInt { .. } => "SwitchInt",
TerminatorKind::Resume => "Resume",
TerminatorKind::Abort => "Abort",
TerminatorKind::Terminate => "Terminate",
TerminatorKind::Return => "Return",
TerminatorKind::Unreachable => "Unreachable",
TerminatorKind::Drop { .. } => "Drop",

4
compiler/rustc_mir_transform/src/coverage/graph.rs
View file

@ -122,7 +122,7 @@ impl CoverageGraph {
match term.kind {
TerminatorKind::Return { .. }
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Yield { .. }
| TerminatorKind::SwitchInt { .. } => {
// The `bb` has more than one _outgoing_ edge, or exits the function. Save the
@ -136,7 +136,7 @@ impl CoverageGraph {
debug!(" because term.kind = {:?}", term.kind);
// Note that this condition is based on `TerminatorKind`, even though it
// theoretically boils down to `successors().len() != 1`; that is, either zero
// (e.g., `Return`, `Abort`) or multiple successors (e.g., `SwitchInt`), but
// (e.g., `Return`, `Terminate`) or multiple successors (e.g., `SwitchInt`), but
// since the BCB CFG ignores things like unwind branches (which exist in the
// `Terminator`s `successors()` list) checking the number of successors won't
// work.

2
compiler/rustc_mir_transform/src/coverage/spans.rs
View file

@ -869,7 +869,7 @@ pub(super) fn filtered_terminator_span(terminator: &Terminator<'_>) -> Option<Sp
// Retain spans from all other terminators
TerminatorKind::Resume
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Yield { .. }
| TerminatorKind::GeneratorDrop

4
compiler/rustc_mir_transform/src/dest_prop.rs
View file

@ -645,8 +645,8 @@ impl WriteInfo {
}
}
TerminatorKind::Goto { .. }
| TerminatorKind::Resume { .. }
| TerminatorKind::Abort { .. }
| TerminatorKind::Resume
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable { .. } => (),
TerminatorKind::Drop { .. } => {

4
compiler/rustc_mir_transform/src/generator.rs
View file

@ -1194,7 +1194,7 @@ fn can_unwind<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>) -> bool {
// These never unwind.
TerminatorKind::Goto { .. }
| TerminatorKind::SwitchInt { .. }
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::GeneratorDrop
@ -1701,7 +1701,7 @@ impl<'tcx> Visitor<'tcx> for EnsureGeneratorFieldAssignmentsNeverAlias<'_> {
| TerminatorKind::Goto { .. }
| TerminatorKind::SwitchInt { .. }
| TerminatorKind::Resume
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::Drop { .. }

22
compiler/rustc_mir_transform/src/inline.rs
View file

@ -1136,19 +1136,15 @@ impl<'tcx> MutVisitor<'tcx> for Integrator<'_, 'tcx> {
TerminatorKind::Unreachable
}
}
TerminatorKind::Resume => match self.cleanup_block {
UnwindAction::Cleanup(tgt) => {
terminator.kind = TerminatorKind::Goto { target: tgt };
}
UnwindAction::Continue => (),
UnwindAction::Unreachable | UnwindAction::Terminate => {
// If the action is terminate, then we would have mapped marked
// all our call-sites as `UnwindAction::Terminate` and no cleanup
// blocks would ever be executed.
terminator.kind = TerminatorKind::Unreachable;
}
},
TerminatorKind::Abort => {}
TerminatorKind::Resume => {
terminator.kind = match self.cleanup_block {
UnwindAction::Cleanup(tgt) => TerminatorKind::Goto { target: tgt },
UnwindAction::Continue => TerminatorKind::Resume,
UnwindAction::Unreachable => TerminatorKind::Unreachable,
UnwindAction::Terminate => TerminatorKind::Terminate,
};
}
TerminatorKind::Terminate => {}
TerminatorKind::Unreachable => {}
TerminatorKind::FalseEdge { ref mut real_target, ref mut imaginary_target } => {
*real_target = self.map_block(*real_target);

2
compiler/rustc_mir_transform/src/remove_noop_landing_pads.rs
View file

@ -72,7 +72,7 @@ impl RemoveNoopLandingPads {
TerminatorKind::GeneratorDrop
| TerminatorKind::Yield { .. }
| TerminatorKind::Return
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Unreachable
| TerminatorKind::Call { .. }
| TerminatorKind::Assert { .. }

4
compiler/rustc_mir_transform/src/separate_const_switch.rs
View file

@ -112,7 +112,7 @@ pub fn separate_const_switch(body: &mut Body<'_>) -> usize {
| TerminatorKind::Assert { .. }
| TerminatorKind::FalseUnwind { .. }
| TerminatorKind::Yield { .. }
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::InlineAsm { .. }
@ -164,7 +164,7 @@ pub fn separate_const_switch(body: &mut Body<'_>) -> usize {
}
TerminatorKind::Resume
| TerminatorKind::Abort
| TerminatorKind::Terminate
| TerminatorKind::Return
| TerminatorKind::Unreachable
| TerminatorKind::GeneratorDrop