replace helper-op cleanup with canonicalization

clean up PIM pattern naming
remove unused ValueMap.hpp

src/PIM/Common/ValueMap.hpp

@@ -1,44 +0,0 @@
-#pragma once
-
-#include "mlir/IR/PatternMatch.h"
-#include "mlir/IR/Value.h"
-
-#include "llvm/ADT/DenseMap.h"
-
-template <typename T>
-class AutoCleaningValueMap : public mlir::RewriterBase::ForwardingListener {
-public:
-  llvm::DenseMap<mlir::Value, T> map;
-
-  AutoCleaningValueMap(mlir::OpBuilder::Listener listener)
-  : ForwardingListener(&listener) {}
-
-  void notifyOperationErased(mlir::Operation* op) override {
-    for (mlir::Value result : op->getResults())
-      map.erase(result);
-  }
-
-  void notifyBlockErased(mlir::Block* block) override {
-    for (mlir::BlockArgument arg : block->getArguments())
-      map.erase(arg);
-  }
-};
-
-template <typename T>
-class NotErasableValueMap : public mlir::RewriterBase::ForwardingListener {
-public:
-  llvm::DenseMap<mlir::Value, T> map;
-
-  NotErasableValueMap(mlir::OpBuilder::Listener listener)
-  : ForwardingListener(&listener) {}
-
-  void notifyOperationErased(mlir::Operation* op) override {
-    for (mlir::Value result : op->getResults())
-      assert("Value contained in NotErasableValueMap can't be erased" && !map.contains(result));
-  }
-
-  void notifyBlockErased(mlir::Block* block) override {
-    for (mlir::BlockArgument arg : block->getArguments())
-      assert("Value contained in NotErasableValueMap can't be erased" && !map.contains(arg));
-  }
-};