1 files changed, 13 insertions, 14 deletions

diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
index c0aaf28890b..74ca0a1aa18 100644
--- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -65,7 +65,7 @@ void llvm::DeleteDeadBlock(BasicBlock *BB) {
 /// any single-entry PHI nodes in it, fold them away.  This handles the case
 /// when all entries to the PHI nodes in a block are guaranteed equal, such as
 /// when the block has exactly one predecessor.
-void llvm::FoldSingleEntryPHINodes(BasicBlock *BB, AliasAnalysis *AA,
+void llvm::FoldSingleEntryPHINodes(BasicBlock *BB,
                                    MemoryDependenceAnalysis *MemDep) {
   if (!isa<PHINode>(BB->begin())) return;
 
@@ -106,7 +106,7 @@ bool llvm::DeleteDeadPHIs(BasicBlock *BB, const TargetLibraryInfo *TLI) {
 /// MergeBlockIntoPredecessor - Attempts to merge a block into its predecessor,
 /// if possible.  The return value indicates success or failure.
 bool llvm::MergeBlockIntoPredecessor(BasicBlock *BB, DominatorTree *DT,
-                                     LoopInfo *LI, AliasAnalysis *AA,
+                                     LoopInfo *LI,
                                      MemoryDependenceAnalysis *MemDep) {
   // Don't merge away blocks who have their address taken.
   if (BB->hasAddressTaken()) return false;
@@ -143,7 +143,7 @@ bool llvm::MergeBlockIntoPredecessor(BasicBlock *BB, DominatorTree *DT,
 
   // Begin by getting rid of unneeded PHIs.
   if (isa<PHINode>(BB->front()))
-    FoldSingleEntryPHINodes(BB, AA, MemDep);
+    FoldSingleEntryPHINodes(BB, MemDep);
 
   // Delete the unconditional branch from the predecessor...
   PredBB->getInstList().pop_back();
@@ -391,7 +391,7 @@ static void UpdateAnalysisInformation(BasicBlock *OldBB, BasicBlock *NewBB,
 /// from NewBB. This also updates AliasAnalysis, if available.
 static void UpdatePHINodes(BasicBlock *OrigBB, BasicBlock *NewBB,
                            ArrayRef<BasicBlock *> Preds, BranchInst *BI,
-                           AliasAnalysis *AA, bool HasLoopExit) {
+                           bool HasLoopExit) {
   // Otherwise, create a new PHI node in NewBB for each PHI node in OrigBB.
   SmallPtrSet<BasicBlock *, 16> PredSet(Preds.begin(), Preds.end());
   for (BasicBlock::iterator I = OrigBB->begin(); isa<PHINode>(I); ) {
@@ -472,17 +472,16 @@ static void UpdatePHINodes(BasicBlock *OrigBB, BasicBlock *NewBB,
 ///
 BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB,
                                          ArrayRef<BasicBlock *> Preds,
-                                         const char *Suffix, AliasAnalysis *AA,
-                                         DominatorTree *DT, LoopInfo *LI,
-                                         bool PreserveLCSSA) {
+                                         const char *Suffix, DominatorTree *DT,
+                                         LoopInfo *LI, bool PreserveLCSSA) {
   // For the landingpads we need to act a bit differently.
   // Delegate this work to the SplitLandingPadPredecessors.
   if (BB->isLandingPad()) {
     SmallVector<BasicBlock*, 2> NewBBs;
     std::string NewName = std::string(Suffix) + ".split-lp";
 
-    SplitLandingPadPredecessors(BB, Preds, Suffix, NewName.c_str(),
-                                NewBBs, AA, DT, LI, PreserveLCSSA);
+    SplitLandingPadPredecessors(BB, Preds, Suffix, NewName.c_str(), NewBBs, DT,
+                                LI, PreserveLCSSA);
     return NewBBs[0];
   }
 
@@ -521,7 +520,7 @@ BasicBlock *llvm::SplitBlockPredecessors(BasicBlock *BB,
                             HasLoopExit);
 
   // Update the PHI nodes in BB with the values coming from NewBB.
-  UpdatePHINodes(BB, NewBB, Preds, BI, AA, HasLoopExit);
+  UpdatePHINodes(BB, NewBB, Preds, BI, HasLoopExit);
   return NewBB;
 }
 
@@ -542,8 +541,8 @@ void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB,
                                        ArrayRef<BasicBlock *> Preds,
                                        const char *Suffix1, const char *Suffix2,
                                        SmallVectorImpl<BasicBlock *> &NewBBs,
-                                       AliasAnalysis *AA, DominatorTree *DT,
-                                       LoopInfo *LI, bool PreserveLCSSA) {
+                                       DominatorTree *DT, LoopInfo *LI,
+                                       bool PreserveLCSSA) {
   assert(OrigBB->isLandingPad() && "Trying to split a non-landing pad!");
 
   // Create a new basic block for OrigBB's predecessors listed in Preds. Insert
@@ -572,7 +571,7 @@ void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB,
                             HasLoopExit);
 
   // Update the PHI nodes in OrigBB with the values coming from NewBB1.
-  UpdatePHINodes(OrigBB, NewBB1, Preds, BI1, AA, HasLoopExit);
+  UpdatePHINodes(OrigBB, NewBB1, Preds, BI1, HasLoopExit);
 
   // Move the remaining edges from OrigBB to point to NewBB2.
   SmallVector<BasicBlock*, 8> NewBB2Preds;
@@ -609,7 +608,7 @@ void llvm::SplitLandingPadPredecessors(BasicBlock *OrigBB,
                               PreserveLCSSA, HasLoopExit);
 
     // Update the PHI nodes in OrigBB with the values coming from NewBB2.
-    UpdatePHINodes(OrigBB, NewBB2, NewBB2Preds, BI2, AA, HasLoopExit);
+    UpdatePHINodes(OrigBB, NewBB2, NewBB2Preds, BI2, HasLoopExit);
   }
 
   LandingPadInst *LPad = OrigBB->getLandingPadInst();