From 97f34e887fe295834754f9b0a29e3b28b67c8da9 Mon Sep 17 00:00:00 2001
From: Daniel Berlin <dberlin@dberlin.org>
Date: Wed, 27 Sep 2017 05:35:19 +0000
Subject: [PATCH] MemorySSAUpdater: Only add phis to insertedphis if we
 actually inserted them, not if we just found existing ones

llvm-svn: 314273
---
 llvm/lib/Analysis/MemorySSAUpdater.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Analysis/MemorySSAUpdater.cpp b/llvm/lib/Analysis/MemorySSAUpdater.cpp
index 1ff8447..f28f8bd 100644
--- a/llvm/lib/Analysis/MemorySSAUpdater.cpp
+++ b/llvm/lib/Analysis/MemorySSAUpdater.cpp
@@ -85,12 +85,11 @@ MemoryAccess *MemorySSAUpdater::getPreviousDefRecursive(BasicBlock *BB) {
         unsigned i = 0;
         for (auto *Pred : predecessors(BB))
           Phi->addIncoming(PhiOps[i++], Pred);
+        InsertedPHIs.push_back(Phi);
       }
-
       Result = Phi;
     }
-    if (MemoryPhi *MP = dyn_cast<MemoryPhi>(Result))
-      InsertedPHIs.push_back(MP);
+
     // Set ourselves up for the next variable by resetting visited state.
     VisitedBlocks.erase(BB);
     return Result;
-- 
2.7.4