[mlir] Add Operation::dumpPrettyPrinted (#120117)

- [x] Add `Operation::dumpPrettyPrinted` to get more readable print
during debugging when the IR may not be able to pass verify yet.

Author: weiweichen

mlir/include/mlir/IR/Operation.h

@@ -322,6 +322,11 @@ class alignas(8) Operation final
   void print(raw_ostream &os, AsmState &state);
   void dump();
 
+  // Dump pretty printed IR. This method is helpful for better readability if
+  // the Operation is not verified because it won't disable custom printers to
+  // fall back to the generic one.
+  LLVM_DUMP_METHOD void dumpPretty();
+
   //===--------------------------------------------------------------------===//
   // Operands
   //===--------------------------------------------------------------------===//

mlir/lib/IR/AsmPrinter.cpp

@@ -4019,6 +4019,11 @@ void Operation::dump() {
   llvm::errs() << "\n";
 }
 
+void Operation::dumpPretty() {
+  print(llvm::errs(), OpPrintingFlags().useLocalScope().assumeVerified());
+  llvm::errs() << "\n";
+}
+
 void Block::print(raw_ostream &os) {
   Operation *parentOp = getParentOp();
   if (!parentOp) {