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Small mir-opt refactor

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Hopefully-non-controversial changes from some not-ready-yet work that I'd figured I'd submit on their own.
This commit is contained in:
Scott McMurray 2021-11-26 18:18:14 -08:00
parent f7c48297ce
commit b215a32af3
4 changed files with 11 additions and 23 deletions
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11
compiler/rustc_mir_transform/src/simplify_branches.rs
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@ -34,15 +34,8 @@ impl<'tcx> MirPass<'tcx> for SimplifyBranches {
} => {
let constant = c.literal.try_eval_bits(tcx, param_env, switch_ty);
if let Some(constant) = constant {
let otherwise = targets.otherwise();
let mut ret = TerminatorKind::Goto { target: otherwise };
for (v, t) in targets.iter() {
if v == constant {
ret = TerminatorKind::Goto { target: t };
break;
}
}
ret
let target = targets.target_for_value(constant);
TerminatorKind::Goto { target }
} else {
continue;
}