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try to get rid of mir::Const::normalize

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This commit is contained in:
Ralf Jung 2024-09-28 21:15:18 +02:00
parent e6eb45143c
commit 921a5ef6d7
3 changed files with 3 additions and 19 deletions
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12
compiler/rustc_middle/src/mir/consts.rs
View File

@ -329,18 +329,6 @@ pub fn eval(
}
}
/// Normalizes the constant to a value or an error if possible.
#[inline]
pub fn normalize(self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> Self {
match self.eval(tcx, param_env, DUMMY_SP) {
Ok(val) => Self::Val(val, self.ty()),
Err(ErrorHandled::Reported(guar, _span)) => {
Self::Ty(Ty::new_error(tcx, guar.into()), ty::Const::new_error(tcx, guar.into()))
}
Err(ErrorHandled::TooGeneric(_span)) => self,
}
}
#[inline]
pub fn try_eval_scalar(
self,

6
compiler/rustc_mir_build/src/thir/cx/expr.rs
View File

@ -703,8 +703,7 @@ fn make_mirror_unadjusted(&mut self, expr: &'tcx hir::Expr<'tcx>) -> Expr<'tcx>
tcx,
anon_const.def_id.to_def_id(),
)
.instantiate_identity()
.normalize(tcx, self.param_env);
.instantiate_identity();
let span = tcx.def_span(anon_const.def_id);
InlineAsmOperand::Const { value, span }
@ -714,8 +713,7 @@ fn make_mirror_unadjusted(&mut self, expr: &'tcx hir::Expr<'tcx>) -> Expr<'tcx>
tcx,
anon_const.def_id.to_def_id(),
)
.instantiate_identity()
.normalize(tcx, self.param_env);
.instantiate_identity();
let span = tcx.def_span(anon_const.def_id);
InlineAsmOperand::SymFn { value, span }

4
compiler/rustc_mir_transform/src/jump_threading.rs
View File

@ -516,9 +516,7 @@ fn process_assign(
// Avoid handling them, though this could be extended in the future.
return;
}
let Some(value) =
value.const_.normalize(self.tcx, self.param_env).try_to_scalar_int()
else {
let Some(value) = value.const_.try_eval_scalar_int(self.tcx, self.param_env) else {
return;
};
let conds = conditions.map(self.arena, |c| Condition {