Allow only computing necessary influences in LocalGraph. NFC (#3861)

Some passes need setInfluences but not getInfluences, but were
computing them nonetheless.

This makes e.g. MergeLocals 12% faster. It will also help use LocalGraph
in new passes with less worries about speed.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/passes/OptimizeAddedConstants.cpp b/src/passes/OptimizeAddedConstants.cpp
index e5cbf108a..107b06ffb 100644
--- a/src/passes/OptimizeAddedConstants.cpp
+++ b/src/passes/OptimizeAddedConstants.cpp
@@ -277,7 +277,7 @@ struct OptimizeAddedConstants
       propagatable.clear();
       if (propagate) {
         localGraph = make_unique<LocalGraph>(func);
-        localGraph->computeInfluences();
+        localGraph->computeSetInfluences();
         localGraph->computeSSAIndexes();
         findPropagatable();
       }