rm some debug!

Author: tesuji

compiler/rustc_mir_transform/src/gvn.rs

@@ -1487,9 +1487,7 @@ impl<'tcx> VnState<'_, 'tcx> {
     #[instrument(level = "trace", skip(self, index), ret)]
     fn try_as_constant(&mut self, index: VnIndex) -> Option<ConstOperand<'tcx>> {
         // This was already constant in MIR, do not change it.
-        let value = self.get(index);
-        debug!(?index, ?value);
-        if let Value::Constant { value, disambiguator: _ } = *value
+        if let Value::Constant { value, disambiguator: _ } = *self.get(index)
             // If the constant is not deterministic, adding an additional mention of it in MIR will
             // not give the same value as the former mention.
             && value.is_deterministic()
@@ -1557,10 +1555,8 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> {
                 .as_local()
                 .and_then(|local| self.locals[local])
                 .or_else(|| self.simplify_rvalue(rvalue, location));
-            debug!(?value);
             let Some(value) = value else { return };
 
-            debug!(before_rvalue = ?rvalue);
             // De-duplicate locals has the same arrays assigned to prevent code bloat.
             let disallowed_duplicated_array = if rvalue.ty(self.local_decls, self.tcx).is_array()
                 && let Some(locals) = self.rev_locals.get(value).as_deref()
@@ -1579,7 +1575,6 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> {
                 *rvalue = Rvalue::Use(Operand::Copy(local.into()));
                 self.reused_locals.insert(local);
             }
-            debug!(after_rvalue = ?rvalue);
 
             return;
         }