[mlir] NFC: Remove Value::operator* and Value::operator-> now that Value is properly value-typed.

Summary: These were temporary methods used to simplify the transition.

Reviewed By: antiagainst

Differential Revision: https://reviews.llvm.org/D72548
diff --git a/mlir/lib/Transforms/LoopFusion.cpp b/mlir/lib/Transforms/LoopFusion.cpp
index fcfc1d7..970907c8 100644
--- a/mlir/lib/Transforms/LoopFusion.cpp
+++ b/mlir/lib/Transforms/LoopFusion.cpp
@@ -301,12 +301,12 @@
     Node *node = getNode(id);
     for (auto *storeOpInst : node->stores) {
       auto memref = cast<AffineStoreOp>(storeOpInst).getMemRef();
-      auto *op = memref->getDefiningOp();
+      auto *op = memref.getDefiningOp();
       // Return true if 'memref' is a block argument.
       if (!op)
         return true;
       // Return true if any use of 'memref' escapes the function.
-      for (auto *user : memref->getUsers())
+      for (auto *user : memref.getUsers())
         if (!isMemRefDereferencingOp(*user))
           return true;
     }
@@ -390,7 +390,7 @@
     if (!hasEdge(srcId, dstId, value)) {
       outEdges[srcId].push_back({dstId, value});
       inEdges[dstId].push_back({srcId, value});
-      if (value->getType().isa<MemRefType>())
+      if (value.getType().isa<MemRefType>())
         memrefEdgeCount[value]++;
     }
   }
@@ -399,7 +399,7 @@
   void removeEdge(unsigned srcId, unsigned dstId, Value value) {
     assert(inEdges.count(dstId) > 0);
     assert(outEdges.count(srcId) > 0);
-    if (value->getType().isa<MemRefType>()) {
+    if (value.getType().isa<MemRefType>()) {
       assert(memrefEdgeCount.count(value) > 0);
       memrefEdgeCount[value]--;
     }
@@ -634,7 +634,7 @@
                          const std::function<void(Edge)> &callback) {
     for (auto &edge : edges) {
       // Skip if 'edge' is not a memref dependence edge.
-      if (!edge.value->getType().isa<MemRefType>())
+      if (!edge.value.getType().isa<MemRefType>())
         continue;
       assert(nodes.count(edge.id) > 0);
       // Skip if 'edge.id' is not a loop nest.
@@ -735,7 +735,7 @@
       continue;
     auto *opInst = node.op;
     for (auto value : opInst->getResults()) {
-      for (auto *user : value->getUsers()) {
+      for (auto *user : value.getUsers()) {
         SmallVector<AffineForOp, 4> loops;
         getLoopIVs(*user, &loops);
         if (loops.empty())
@@ -896,7 +896,7 @@
   OpBuilder top(forInst->getParentOfType<FuncOp>().getBody());
   // Create new memref type based on slice bounds.
   auto oldMemRef = cast<AffineStoreOp>(srcStoreOpInst).getMemRef();
-  auto oldMemRefType = oldMemRef->getType().cast<MemRefType>();
+  auto oldMemRefType = oldMemRef.getType().cast<MemRefType>();
   unsigned rank = oldMemRefType.getRank();
 
   // Compute MemRefRegion for 'srcStoreOpInst' at depth 'dstLoopDepth'.
@@ -1650,7 +1650,7 @@
               visitedMemrefs.insert(newMemRef);
               // Create new node in dependence graph for 'newMemRef' alloc op.
               unsigned newMemRefNodeId =
-                  mdg->addNode(newMemRef->getDefiningOp());
+                  mdg->addNode(newMemRef.getDefiningOp());
               // Add edge from 'newMemRef' node to dstNode.
               mdg->addEdge(newMemRefNodeId, dstId, newMemRef);
             }
@@ -1830,7 +1830,7 @@
     // Search for siblings which load the same memref function argument.
     auto fn = dstNode->op->getParentOfType<FuncOp>();
     for (unsigned i = 0, e = fn.getNumArguments(); i != e; ++i) {
-      for (auto *user : fn.getArgument(i)->getUsers()) {
+      for (auto *user : fn.getArgument(i).getUsers()) {
         if (auto loadOp = dyn_cast<AffineLoadOp>(user)) {
           // Gather loops surrounding 'use'.
           SmallVector<AffineForOp, 4> loops;
@@ -1943,10 +1943,10 @@
         continue;
       auto memref = pair.first;
       // Skip if there exist other uses (return operation or function calls).
-      if (!memref->use_empty())
+      if (!memref.use_empty())
         continue;
       // Use list expected to match the dep graph info.
-      auto *op = memref->getDefiningOp();
+      auto *op = memref.getDefiningOp();
       if (isa_and_nonnull<AllocOp>(op))
         op->erase();
     }