Update MemorySSA in BasicBlockUtils.

Summary:
Extend BasicBlocksUtils to update MemorySSA.

Subscribers: sanjoy, arsenm, nhaehnle, jlebar, Prazek, llvm-commits

Differential Revision: https://reviews.llvm.org/D45300

llvm-svn: 340365

3 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp
index 3e36943ada0..a790db3338c 100644
--- a/llvm/lib/Transforms/Scalar/GVN.cpp
+++ b/llvm/lib/Transforms/Scalar/GVN.cpp
@@ -1992,7 +1992,7 @@ bool GVN::runImpl(Function &F, AssumptionCache &RunAC, DominatorTree &RunDT,
   for (Function::iterator FI = F.begin(), FE = F.end(); FI != FE; ) {
     BasicBlock *BB = &*FI++;
 
-    bool removedBlock = MergeBlockIntoPredecessor(BB, &DTU, LI, MD);
+    bool removedBlock = MergeBlockIntoPredecessor(BB, &DTU, LI, nullptr, MD);
     if (removedBlock)
       ++NumGVNBlocks;
 
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
index 136e60b1e66..da750d00341 100644
--- a/llvm/lib/Transforms/Scalar/LICM.cpp
+++ b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -962,7 +962,7 @@ static void splitPredecessorsOfLoopExit(PHINode *PN, DominatorTree *DT,
            "Expect all predecessors are in the loop");
     if (PN->getBasicBlockIndex(PredBB) >= 0) {
       BasicBlock *NewPred = SplitBlockPredecessors(
-          ExitBB, PredBB, ".split.loop.exit", DT, LI, true);
+          ExitBB, PredBB, ".split.loop.exit", DT, LI, nullptr, true);
       // Since we do not allow splitting EH-block with BlockColors in
       // canSplitPredecessors(), we can simply assign predecessor's color to
       // the new block.
diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
index 45889bfe20f..7169aeddde0 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -1190,7 +1190,7 @@ void LoopUnswitch::SplitExitEdges(Loop *L,
 
     // Although SplitBlockPredecessors doesn't preserve loop-simplify in
     // general, if we call it on all predecessors of all exits then it does.
-    SplitBlockPredecessors(ExitBlock, Preds, ".us-lcssa", DT, LI,
+    SplitBlockPredecessors(ExitBlock, Preds, ".us-lcssa", DT, LI, nullptr,
                            /*PreserveLCSSA*/ true);
   }
 }