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Use let/else to reduce some indentation.

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This commit is contained in:
Nicholas Nethercote 2024-08-28 13:56:17 +10:00
parent 243109e006
commit 8541b0f1f3
1 changed files with 16 additions and 17 deletions
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33
compiler/rustc_mir_transform/src/coroutine.rs
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@ -570,24 +570,23 @@ fn transform_async_context<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
fn eliminate_get_context_call<'tcx>(bb_data: &mut BasicBlockData<'tcx>) -> Local {
let terminator = bb_data.terminator.take().unwrap();
if let TerminatorKind::Call { args, destination, target, .. } = terminator.kind {
let [arg] = *Box::try_from(args).unwrap();
let local = arg.node.place().unwrap().local;
let arg = Rvalue::Use(arg.node);
let assign = Statement {
source_info: terminator.source_info,
kind: StatementKind::Assign(Box::new((destination, arg))),
};
bb_data.statements.push(assign);
bb_data.terminator = Some(Terminator {
source_info: terminator.source_info,
kind: TerminatorKind::Goto { target: target.unwrap() },
});
local
} else {
let TerminatorKind::Call { args, destination, target, .. } = terminator.kind else {
bug!();
}
};
let [arg] = *Box::try_from(args).unwrap();
let local = arg.node.place().unwrap().local;
let arg = Rvalue::Use(arg.node);
let assign = Statement {
source_info: terminator.source_info,
kind: StatementKind::Assign(Box::new((destination, arg))),
};
bb_data.statements.push(assign);
bb_data.terminator = Some(Terminator {
source_info: terminator.source_info,
kind: TerminatorKind::Goto { target: target.unwrap() },
});
local
}
#[cfg_attr(not(debug_assertions), allow(unused))]