diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/passes/RemoveUnusedBrs.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/passes/RemoveUnusedBrs.cpp b/src/passes/RemoveUnusedBrs.cpp index f0db1eee6..d2b7c944f 100644 --- a/src/passes/RemoveUnusedBrs.cpp +++ b/src/passes/RemoveUnusedBrs.cpp @@ -173,6 +173,11 @@ struct RemoveUnusedBrs : public WalkerPass<PostWalker<RemoveUnusedBrs>> { auto* iff = (*currp)->dynCast<If>(); if (iff) { + if (iff->condition->type == unreachable) { + // avoid all the branching, we never reach it anyhow + *currp = iff->condition; + return; + } self->pushTask(doVisitIf, currp); if (iff->ifFalse) { // we need to join up if-else control flow, and clear after the condition |