Rename getAnalysisToUpdate to getAnalysisIfAvailable.

llvm-svn: 63198

3 files changed, 7 insertions, 7 deletions

diff --git a/llvm/lib/Transforms/Scalar/LoopRotation.cpp b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
index aed84e2df87..65b74b4e7ff 100644
--- a/llvm/lib/Transforms/Scalar/LoopRotation.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopRotation.cpp
@@ -457,7 +457,7 @@ void LoopRotate::preserveCanonicalLoopForm(LPPassManager &LPM) {
            "Expected only one incoming value from Original PreHeader");
   }
 
-  if (DominatorTree *DT = getAnalysisToUpdate<DominatorTree>()) {
+  if (DominatorTree *DT = getAnalysisIfAvailable<DominatorTree>()) {
     DT->addNewBlock(NewPreHeader, OrigPreHeader);
     DT->changeImmediateDominator(L->getHeader(), NewPreHeader);
     DT->changeImmediateDominator(Exit, OrigPreHeader);
@@ -473,7 +473,7 @@ void LoopRotate::preserveCanonicalLoopForm(LPPassManager &LPM) {
     DT->changeImmediateDominator(OrigHeader, OrigLatch);
   }
 
-  if (DominanceFrontier *DF = getAnalysisToUpdate<DominanceFrontier>()) {
+  if (DominanceFrontier *DF = getAnalysisIfAvailable<DominanceFrontier>()) {
     // New Preheader's dominance frontier is Exit block.
     DominanceFrontier::DomSetType NewPHSet;
     NewPHSet.insert(Exit);
@@ -509,7 +509,7 @@ void LoopRotate::preserveCanonicalLoopForm(LPPassManager &LPM) {
     // If a loop block dominates new loop latch then its frontier is
     // new header and Exit.
     BasicBlock *NewLatch = L->getLoopLatch();
-    DominatorTree *DT = getAnalysisToUpdate<DominatorTree>();
+    DominatorTree *DT = getAnalysisIfAvailable<DominatorTree>();
     for (Loop::block_iterator BI = L->block_begin(), BE = L->block_end();
          BI != BE; ++BI) {
       BasicBlock *B = *BI;
diff --git a/llvm/lib/Transforms/Scalar/LoopUnroll.cpp b/llvm/lib/Transforms/Scalar/LoopUnroll.cpp
index 6d685d58f96..2025fb68288 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnroll.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnroll.cpp
@@ -170,10 +170,10 @@ bool LoopUnroll::runOnLoop(Loop *L, LPPassManager &LPM) {
     return false;
 
   // FIXME: Reconstruct dom info, because it is not preserved properly.
-  DominatorTree *DT = getAnalysisToUpdate<DominatorTree>();
+  DominatorTree *DT = getAnalysisIfAvailable<DominatorTree>();
   if (DT) {
     DT->runOnFunction(*F);
-    DominanceFrontier *DF = getAnalysisToUpdate<DominanceFrontier>();
+    DominanceFrontier *DF = getAnalysisIfAvailable<DominanceFrontier>();
     if (DF)
       DF->runOnFunction(*F);
   }
diff --git a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
index 97aa475a67f..a563c7a9ee9 100644
--- a/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -188,8 +188,8 @@ static Value *FindLIVLoopCondition(Value *Cond, Loop *L, bool &Changed) {
 bool LoopUnswitch::runOnLoop(Loop *L, LPPassManager &LPM_Ref) {
   LI = &getAnalysis<LoopInfo>();
   LPM = &LPM_Ref;
-  DF = getAnalysisToUpdate<DominanceFrontier>();
-  DT = getAnalysisToUpdate<DominatorTree>();
+  DF = getAnalysisIfAvailable<DominanceFrontier>();
+  DT = getAnalysisIfAvailable<DominatorTree>();
   currentLoop = L;
   Function *F = currentLoop->getHeader()->getParent();
   bool Changed = false;