[SandboxVec][DAG][NFC] Rename isMemDepCandidate() to isMemDepNodeCandidate()

Author: Vasileios Porpodas

llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/DependencyGraph.h

@@ -55,14 +55,14 @@ class DGNode {
 
 public:
   DGNode(Instruction *I) : I(I), SubclassID(DGNodeID::DGNode) {
-    assert(!isMemDepCandidate(I) && "Expected Non-Mem instruction, ");
+    assert(!isMemDepNodeCandidate(I) && "Expected Non-Mem instruction, ");
   }
   DGNode(const DGNode &Other) = delete;
   virtual ~DGNode() = default;
   /// \Returns true if this is before \p Other in program order.
   bool comesBefore(const DGNode *Other) { return I->comesBefore(Other->I); }
   /// \Returns true if \p I is a memory dependency candidate instruction.
-  static bool isMemDepCandidate(Instruction *I) {
+  static bool isMemDepNodeCandidate(Instruction *I) {
     AllocaInst *Alloca;
     return Utils::isMemDepCandidate(I) ||
            ((Alloca = dyn_cast<AllocaInst>(I)) &&
@@ -106,7 +106,7 @@ class MemDGNode final : public DGNode {
 
 public:
   MemDGNode(Instruction *I) : DGNode(I, DGNodeID::MemDGNode) {
-    assert(isMemDepCandidate(I) && "Expected Mem instruction!");
+    assert(isMemDepNodeCandidate(I) && "Expected Mem instruction!");
   }
   static bool classof(const DGNode *Other) {
     return Other->SubclassID == DGNodeID::MemDGNode;
@@ -150,7 +150,7 @@ class DependencyGraph {
   DGNode *getOrCreateNode(Instruction *I) {
     auto [It, NotInMap] = InstrToNodeMap.try_emplace(I);
     if (NotInMap) {
-      if (DGNode::isMemDepCandidate(I))
+      if (DGNode::isMemDepNodeCandidate(I))
         It->second = std::make_unique<MemDGNode>(I);
       else
         It->second = std::make_unique<DGNode>(I);

llvm/lib/Transforms/Vectorize/SandboxVectorizer/DependencyGraph.cpp

@@ -38,12 +38,12 @@ MemDGNodeIntervalBuilder::make(const Interval<Instruction> &Instrs,
   // walk down/up the chain and find the mem-dep ones.
   Instruction *MemTopI = Instrs.top();
   Instruction *MemBotI = Instrs.bottom();
-  while (!DGNode::isMemDepCandidate(MemTopI) && MemTopI != MemBotI)
+  while (!DGNode::isMemDepNodeCandidate(MemTopI) && MemTopI != MemBotI)
     MemTopI = MemTopI->getNextNode();
-  while (!DGNode::isMemDepCandidate(MemBotI) && MemBotI != MemTopI)
+  while (!DGNode::isMemDepNodeCandidate(MemBotI) && MemBotI != MemTopI)
     MemBotI = MemBotI->getPrevNode();
   // If we couldn't find a mem node in range TopN - BotN then it's empty.
-  if (!DGNode::isMemDepCandidate(MemTopI))
+  if (!DGNode::isMemDepNodeCandidate(MemTopI))
     return {};
   // Now that we have the mem-dep nodes, create and return the range.
   return Interval<MemDGNode>(cast<MemDGNode>(DAG.getNode(MemTopI)),