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don't debug-print ConstValue in MIR pretty-printer

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This commit is contained in:
Ralf Jung 2022-05-06 10:30:29 +02:00
parent bd31ba045d
commit 22cc6c3482
1 changed files with 8 additions and 2 deletions
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10
compiler/rustc_middle/src/mir/pretty.rs
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@ -448,6 +448,12 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> {
self.push(&format!("+ user_ty: {:?}", user_ty));
}
let fmt_val = |val: &ConstValue<'tcx>| match val {
ConstValue::Scalar(s) => format!("Scalar({:?})", s),
ConstValue::Slice { .. } => format!("Slice(..)"),
ConstValue::ByRef { .. } => format!("ByRef(..)"),
};
let val = match literal {
ConstantKind::Ty(ct) => match ct.val() {
ty::ConstKind::Param(p) => format!("Param({})", p),
@ -457,7 +463,7 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> {
uv.substs,
uv.promoted,
),
ty::ConstKind::Value(val) => format!("Value({:?})", val),
ty::ConstKind::Value(val) => format!("Value({})", fmt_val(&val)),
ty::ConstKind::Error(_) => "Error".to_string(),
// These variants shouldn't exist in the MIR.
ty::ConstKind::Placeholder(_)
@ -467,7 +473,7 @@ impl<'tcx> Visitor<'tcx> for ExtraComments<'tcx> {
// 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),
ConstantKind::Val(val, _) => format!("Value({})", fmt_val(&val)),
};
self.push(&format!("+ literal: Const {{ ty: {}, val: {} }}", literal.ty(), val));