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change mir::Constant in mir dumps

This commit is contained in:
lcnr 2022-02-21 08:10:07 +01:00
parent b8967b0d52
commit ee0b56483f
69 changed files with 107 additions and 349 deletions

View file

@ -436,8 +436,7 @@ fn use_verbose<'tcx>(ty: Ty<'tcx>, fn_def: bool) -> bool {
}
impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> {
fn visit_constant(&mut self, constant: &Constant<'tcx>, location: Location) {
self.super_constant(constant, location);
fn visit_constant(&mut self, constant: &Constant<'tcx>, _location: Location) {
let Constant { span, user_ty, literal } = constant;
if use_verbose(literal.ty(), true) {
self.push("mir::Constant");
@ -448,38 +447,30 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> {
if let Some(user_ty) = user_ty {
self.push(&format!("+ user_ty: {:?}", user_ty));
}
match literal {
ConstantKind::Ty(literal) => self.push(&format!("+ literal: {:?}", literal)),
ConstantKind::Val(val, ty) => {
// To keep the diffs small, we render this almost like we render ty::Const
self.push(&format!("+ literal: Const {{ ty: {}, val: Value({:?}) }}", ty, val))
}
}
}
}
fn visit_const(&mut self, constant: ty::Const<'tcx>, _: Location) {
self.super_const(constant);
let ty = constant.ty();
let val = constant.val();
if use_verbose(ty, false) {
self.push("ty::Const");
self.push(&format!("+ ty: {:?}", ty));
let val = match val {
ty::ConstKind::Param(p) => format!("Param({})", p),
ty::ConstKind::Infer(infer) => format!("Infer({:?})", infer),
ty::ConstKind::Bound(idx, var) => format!("Bound({:?}, {:?})", idx, var),
ty::ConstKind::Placeholder(ph) => format!("PlaceHolder({:?})", ph),
ty::ConstKind::Unevaluated(uv) => format!(
"Unevaluated({}, {:?}, {:?})",
self.tcx.def_path_str(uv.def.did),
uv.substs,
uv.promoted,
),
ty::ConstKind::Value(val) => format!("Value({:?})", val),
ty::ConstKind::Error(_) => "Error".to_string(),
let val = match literal {
ConstantKind::Ty(ct) => match ct.val() {
ty::ConstKind::Param(p) => format!("Param({})", p),
ty::ConstKind::Unevaluated(uv) => format!(
"Unevaluated({}, {:?}, {:?})",
self.tcx.def_path_str(uv.def.did),
uv.substs,
uv.promoted,
),
ty::ConstKind::Value(val) => format!("Value({:?})", val),
ty::ConstKind::Error(_) => "Error".to_string(),
// These variants shouldn't exist in the MIR.
ty::ConstKind::Placeholder(_)
| ty::ConstKind::Infer(_)
| ty::ConstKind::Bound(..) => bug!("unexpected MIR constant: {:?}", literal),
},
// To keep the diffs small, we render this like we render `ty::Const::Value`.
//
// This changes once `ty::Const::Value` is represented using valtrees.
ConstantKind::Val(val, _) => format!("Value({:?})", val),
};
self.push(&format!("+ val: {}", val));
self.push(&format!("+ literal: Const {{ ty: {}, val: {} }}", literal.ty(), val));
}
}