1 files changed, 13 insertions, 13 deletions

diff --git a/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp b/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
index fd150be..b6ac4d5 100644
--- a/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
+++ b/contrib/llvm/lib/Target/PowerPC/PPCCTRLoops.cpp
@@ -98,7 +98,7 @@ namespace {
       AU.addPreserved<LoopInfoWrapperPass>();
       AU.addRequired<DominatorTreeWrapperPass>();
       AU.addPreserved<DominatorTreeWrapperPass>();
-      AU.addRequired<ScalarEvolution>();
+      AU.addRequired<ScalarEvolutionWrapperPass>();
     }
 
   private:
@@ -112,6 +112,7 @@ namespace {
     const DataLayout *DL;
     DominatorTree *DT;
     const TargetLibraryInfo *LibInfo;
+    bool PreserveLCSSA;
   };
 
   char PPCCTRLoops::ID = 0;
@@ -147,7 +148,7 @@ INITIALIZE_PASS_BEGIN(PPCCTRLoops, "ppc-ctr-loops", "PowerPC CTR Loops",
                       false, false)
 INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
 INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)
-INITIALIZE_PASS_DEPENDENCY(ScalarEvolution)
+INITIALIZE_PASS_DEPENDENCY(ScalarEvolutionWrapperPass)
 INITIALIZE_PASS_END(PPCCTRLoops, "ppc-ctr-loops", "PowerPC CTR Loops",
                     false, false)
 
@@ -169,11 +170,12 @@ FunctionPass *llvm::createPPCCTRLoopsVerify() {
 
 bool PPCCTRLoops::runOnFunction(Function &F) {
   LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
-  SE = &getAnalysis<ScalarEvolution>();
+  SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
   DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
   DL = &F.getParent()->getDataLayout();
   auto *TLIP = getAnalysisIfAvailable<TargetLibraryInfoWrapperPass>();
   LibInfo = TLIP ? &TLIP->getTLI() : nullptr;
+  PreserveLCSSA = mustPreserveAnalysisID(LCSSAID);
 
   bool MadeChange = false;
 
@@ -250,8 +252,8 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) {
           // If we have a call to ppc_is_decremented_ctr_nonzero, or ppc_mtctr
           // we're definitely using CTR.
           case Intrinsic::ppc_is_decremented_ctr_nonzero:
-	  case Intrinsic::ppc_mtctr:
-	    return true;
+          case Intrinsic::ppc_mtctr:
+            return true;
 
 // VisualStudio defines setjmp as _setjmp
 #if defined(_MSC_VER) && defined(setjmp) && \
@@ -369,7 +371,7 @@ bool PPCCTRLoops::mightUseCTR(const Triple &TT, BasicBlock *BB) {
                                             true);
           if (VTy == MVT::Other)
             return true;
-          
+
           if (TLI->isOperationLegalOrCustom(Opcode, VTy))
             continue;
           else if (VTy.isVector() &&
@@ -537,7 +539,7 @@ bool PPCCTRLoops::convertToCTRLoop(Loop *L) {
   // the CTR register because some such uses might be reordered by the
   // selection DAG after the mtctr instruction).
   if (!Preheader || mightUseCTR(TT, Preheader))
-    Preheader = InsertPreheaderForLoop(L, this);
+    Preheader = InsertPreheaderForLoop(L, DT, LI, PreserveLCSSA);
   if (!Preheader)
     return MadeChange;
 
@@ -554,10 +556,9 @@ bool PPCCTRLoops::convertToCTRLoop(Loop *L) {
   if (!ExitCount->getType()->isPointerTy() &&
       ExitCount->getType() != CountType)
     ExitCount = SE->getZeroExtendExpr(ExitCount, CountType);
-  ExitCount = SE->getAddExpr(ExitCount,
-                             SE->getConstant(CountType, 1)); 
-  Value *ECValue = SCEVE.expandCodeFor(ExitCount, CountType,
-                                       Preheader->getTerminator());
+  ExitCount = SE->getAddExpr(ExitCount, SE->getOne(CountType));
+  Value *ECValue =
+      SCEVE.expandCodeFor(ExitCount, CountType, Preheader->getTerminator());
 
   IRBuilder<> CountBuilder(Preheader->getTerminator());
   Module *M = Preheader->getParent()->getParent();
@@ -677,7 +678,7 @@ bool PPCCTRLoopsVerify::runOnMachineFunction(MachineFunction &MF) {
   // any other instructions that might clobber the ctr register.
   for (MachineFunction::iterator I = MF.begin(), IE = MF.end();
        I != IE; ++I) {
-    MachineBasicBlock *MBB = I;
+    MachineBasicBlock *MBB = &*I;
     if (!MDT->isReachableFromEntry(MBB))
       continue;
 
@@ -694,4 +695,3 @@ bool PPCCTRLoopsVerify::runOnMachineFunction(MachineFunction &MF) {
   return false;
 }
 #endif // NDEBUG
-