From 7e56e5b9eb08a68631d98f6d0d7db2adc2cd8236 Mon Sep 17 00:00:00 2001
From: Alon Zakai <azakai@google.com>
Date: Wed, 6 Mar 2019 14:21:07 -0800
Subject: CoalesceLocals: run even if we have just 1 var, as we may be able to
 remove that one var by reusing a param

---
 src/passes/CoalesceLocals.cpp | 5 -----
 1 file changed, 5 deletions(-)

(limited to 'src')

diff --git a/src/passes/CoalesceLocals.cpp b/src/passes/CoalesceLocals.cpp
index 1bcc74f79..a7c8b7fc0 100644
--- a/src/passes/CoalesceLocals.cpp
+++ b/src/passes/CoalesceLocals.cpp
@@ -279,11 +279,6 @@ void CoalesceLocals::pickIndices(std::vector<Index>& indices) {
     indices.push_back(0);
     return;
   }
-  if (getFunction()->getNumVars() <= 1) {
-    // nothing to think about here, since we can't reorder params
-    indices = makeIdentity(numLocals);
-    return;
-  }
   // take into account total copies. but we must keep params in place, so give them max priority
   auto adjustedTotalCopies = totalCopies;
   auto numParams = getFunction()->getNumParams();
-- 
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