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Inspect MIR for statics in item collection

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James Miller 2016-05-10 09:00:31 +12:00 • committed by Michael Woerister
parent 85b155f6f1
commit dace30659f
1 changed files with 19 additions and 0 deletions
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19
src/librustc_trans/collector.rs
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@ -341,7 +341,26 @@ fn collect_items_rec<'a, 'tcx: 'a>(scx: &SharedCrateContext<'a, 'tcx>,
let ty = scx.tcx().lookup_item_type(def_id).ty;
let ty = glue::get_drop_glue_type(scx.tcx(), ty);
neighbors.push(TransItem::DropGlue(DropGlueKind::Ty(ty)));
recursion_depth_reset = None;
// Scan the MIR in order to find function calls, closures, and
// drop-glue
let mir = errors::expect(ccx.sess().diagnostic(), ccx.get_mir(def_id),
|| format!("Could not find MIR for static: {:?}", def_id));
let empty_substs = ccx.tcx().mk_substs(Substs::empty());
let mut visitor = MirNeighborCollector {
ccx: ccx,
mir: &mir,
output: &mut neighbors,
param_substs: empty_substs
};
visitor.visit_mir(&mir);
for promoted in &mir.promoted {
visitor.visit_mir(promoted);
}
}
TransItem::Fn(instance) => {
// Keep track of the monomorphization recursion depth