From 377552607e51dc1d3e6ff33833f9620bcfe815ac Mon Sep 17 00:00:00 2001
From: rdivacky <rdivacky@FreeBSD.org>
Date: Tue, 4 May 2010 20:50:39 +0000
Subject: Update LLVM to r103052.

---
 lib/Transforms/Scalar/GVN.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'lib/Transforms')

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index 321def7..65b34b1 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1584,7 +1584,7 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
   for (unsigned i = 0, e = UnavailableBlocks.size(); i != e; ++i)
     FullyAvailableBlocks[UnavailableBlocks[i]] = false;
 
-  bool NeedToSplitEdges = false;
+  SmallVector<std::pair<TerminatorInst*, unsigned>, 4> NeedToSplit;
   for (pred_iterator PI = pred_begin(LoadBB), E = pred_end(LoadBB);
        PI != E; ++PI) {
     BasicBlock *Pred = *PI;
@@ -1600,12 +1600,13 @@ bool GVN::processNonLocalLoad(LoadInst *LI,
         return false;
       }
       unsigned SuccNum = GetSuccessorNumber(Pred, LoadBB);
-      toSplit.push_back(std::make_pair(Pred->getTerminator(), SuccNum));
-      NeedToSplitEdges = true;
+      NeedToSplit.push_back(std::make_pair(Pred->getTerminator(), SuccNum));
     }
   }
-  if (NeedToSplitEdges)
+  if (!NeedToSplit.empty()) {
+    toSplit.append(NeedToSplit.size(), NeedToSplit.front());
     return false;
+  }
 
   // Decide whether PRE is profitable for this load.
   unsigned NumUnavailablePreds = PredLoads.size();
-- 
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