clean up PIM CMake

update README.md

src/PIM/Pass/MessagePass.cpp

@@ -1,6 +1,7 @@
+#include "mlir/IR/BuiltinOps.h"
 #include "mlir/Pass/Pass.h"
 
-#include "src/Compiler/CompilerUtils.hpp"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace mlir;
 
@@ -17,7 +18,10 @@ struct MessagePass : PassWrapper<MessagePass, OperationPass<ModuleOp>> {
   : message(message) {}
   MessagePass(const MessagePass& pass) {}
 
-  void runOnOperation() final { showCompilePhase(message); }
+  void runOnOperation() final {
+    llvm::outs() << message << "\n";
+    llvm::outs().flush();
+  }
 
 private:
   std::string message;