MemorySSA: Remove argument to createNewAccess function.

There is only one caller of MemorySSA::createNewAccess, and it passes true
as the IgnoreNonMemory argument. Remove that argument and fold its behavior
into createNewAccess.

llvm-svn: 270812
diff --git a/llvm/lib/Transforms/Utils/MemorySSA.cpp b/llvm/lib/Transforms/Utils/MemorySSA.cpp
index 896b24f..b87a6d6 100644
--- a/llvm/lib/Transforms/Utils/MemorySSA.cpp
+++ b/llvm/lib/Transforms/Utils/MemorySSA.cpp
@@ -255,7 +255,7 @@
     bool InsertIntoDef = false;
     AccessListType *Accesses = nullptr;
     for (Instruction &I : B) {
-      MemoryUseOrDef *MUD = createNewAccess(&I, true);
+      MemoryUseOrDef *MUD = createNewAccess(&I);
       if (!MUD)
         continue;
       InsertIntoDef |= isa<MemoryDef>(MUD);
@@ -353,8 +353,7 @@
 }
 
 /// \brief Helper function to create new memory accesses
-MemoryUseOrDef *MemorySSA::createNewAccess(Instruction *I,
-                                           bool IgnoreNonMemory) {
+MemoryUseOrDef *MemorySSA::createNewAccess(Instruction *I) {
   // Find out what affect this instruction has on memory.
   ModRefInfo ModRef = AA->getModRefInfo(I);
   bool Def = bool(ModRef & MRI_Mod);
@@ -362,7 +361,7 @@
 
   // It's possible for an instruction to not modify memory at all. During
   // construction, we ignore them.
-  if (IgnoreNonMemory && !Def && !Use)
+  if (!Def && !Use)
     return nullptr;
 
   assert((Def || Use) &&