!fixup make arguments to LoopAccessInfoManager non-optional.

Author: fhahn

llvm/include/llvm/Analysis/LoopAccessAnalysis.h

@@ -955,9 +955,8 @@ class LoopAccessInfoManager {
 
 public:
   LoopAccessInfoManager(ScalarEvolution &SE, AAResults &AA, DominatorTree &DT,
-                        LoopInfo &LI, TargetTransformInfo *TTI = nullptr,
-                        const TargetLibraryInfo *TLI = nullptr,
-                        AssumptionCache *AC = nullptr)
+                        LoopInfo &LI, TargetTransformInfo *TTI,
+                        const TargetLibraryInfo *TLI, AssumptionCache *AC)
       : SE(SE), AA(AA), DT(DT), LI(LI), TTI(TTI), TLI(TLI), AC(AC) {}
 
   LLVM_ABI const LoopAccessInfo &getInfo(Loop &L, bool AllowPartial = false);

llvm/lib/Transforms/Scalar/LoopFlatten.cpp

@@ -1009,7 +1009,8 @@ PreservedAnalyses LoopFlattenPass::run(LoopNest &LN, LoopAnalysisManager &LAM,
   // in simplified form, and also needs LCSSA. Running
   // this pass will simplify all loops that contain inner loops,
   // regardless of whether anything ends up being flattened.
-  LoopAccessInfoManager LAIM(AR.SE, AR.AA, AR.DT, AR.LI, &AR.TTI);
+  LoopAccessInfoManager LAIM(AR.SE, AR.AA, AR.DT, AR.LI, &AR.TTI, nullptr,
+                             &AR.AC);
   for (Loop *InnerLoop : LN.getLoops()) {
     auto *OuterLoop = InnerLoop->getParentLoop();
     if (!OuterLoop)