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Add an attribute to be able to configure the limit

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This commit is contained in:
Oli Scherer
2021-03-26 16:28:52 +00:00
committed by Felix S. Klock II
parent e9696c8b62
commit a2f2179026
11 changed files with 65 additions and 11 deletions
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7
compiler/rustc_mir/src/monomorphize/collector.rs
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@@ -757,11 +757,16 @@ impl<'a, 'tcx> MirVisitor<'tcx> for MirNeighborCollector<'a, 'tcx> {
fn visit_operand(&mut self, operand: &mir::Operand<'tcx>, location: Location) {
self.super_operand(operand, location);
let limit = self.tcx.sess.move_size_limit();
if limit == 0 {
return;
}
let limit = Size::from_bytes(limit);
let ty = operand.ty(self.body, self.tcx);
let ty = self.monomorphize(ty);
let layout = self.tcx.layout_of(ty::ParamEnv::reveal_all().and(ty));
if let Ok(layout) = layout {
if layout.size > Size::from_bytes(1000) {
if layout.size > limit {
debug!(?layout);
let source_info = self.body.source_info(location);
debug!(?source_info);