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authorHeejin Ahn <aheejin@gmail.com>2020-03-27 21:51:40 -0700
committerGitHub <noreply@github.com>2020-03-27 21:51:40 -0700
commit2b758fbdc46fc8fe5241bcf1ba5bbd81e6d556ed (patch)
treead75a0205850e7c3fa7e1a561eb378267aa7e798 /src/dataflow/graph.h
parentd595a45b66cbb4d59472d2954131ee1f4cf6ad8e (diff)
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Error out when EH is used in unsupported code (#2713)
This calls `Fatal()` when EH instructions are used in unsupported code. Currently EH instructions are unsupported in Flatten, ReReloop, and DataFlow-using passes.
Diffstat (limited to 'src/dataflow/graph.h')
-rw-r--r--src/dataflow/graph.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/dataflow/graph.h b/src/dataflow/graph.h
index 6a984ad72..114a38f11 100644
--- a/src/dataflow/graph.h
+++ b/src/dataflow/graph.h
@@ -230,6 +230,9 @@ struct Graph : public UnifiedExpressionVisitor<Graph, Node*> {
return doVisitUnreachable(unreachable);
} else if (auto* drop = curr->dynCast<Drop>()) {
return doVisitDrop(drop);
+ } else if (curr->is<Try>() || curr->is<Throw>() || curr->is<Rethrow>() ||
+ curr->is<BrOnExn>()) {
+ Fatal() << "DataFlow does not support EH instructions yet";
} else {
return doVisitGeneric(curr);
}