[tutorial] Relay pass infra tutorial (#4083)

* Add pass manager tutorial

* fix some examples

* retrigger ci

* Update tutorials/dev/relay_pass_infra.py

Co-Authored-By: 雾雨魔理沙 <lolisa@marisa.moe>

* Add ToANormalForm link

include/tvm/relay/transform.h

@@ -567,9 +567,11 @@ TVM_DLL Pass EtaExpand();
 /*!
  * \brief Print the IR for a module to help debugging.
  *
+ * \param show_meta_data The flag to control if meta data needs to be printed.
+ *
  * \return the pass.
  */
-TVM_DLL Pass PrintIR();
+TVM_DLL Pass PrintIR(bool show_meta_data = true);
 
 }  // namespace transform
 

python/tvm/relay/transform.py

@@ -594,16 +594,21 @@ def LambdaLift():
     return _transform.LambdaLift()
 
 
-def PrintIR():
+def PrintIR(show_meta_data=True):
     """
     Print the IR for a module to help debugging.
 
+    Parameters
+    ----------
+    show_meta_data : bool
+        A boolean flag to indicate if meta data should be printed.
+
     Returns
     -------
     ret : tvm.relay.Pass
         The registered pass that prints the module IR.
     """
-    return _transform.PrintIR()
+    return _transform.PrintIR(show_meta_data)
 
 
 def gradient(expr, mod=None, mode='higher_order'):

src/relay/pass/print_ir.cc

@@ -32,10 +32,10 @@ namespace relay {
 
 namespace transform {
 
-Pass PrintIR() {
+Pass PrintIR(bool show_meta_data) {
   runtime::TypedPackedFunc<Module(Module, PassContext)> pass_func =
     [=](Module m, PassContext pc) {
-      LOG(INFO) << "Dumping the module IR: " << std::endl << AsText(m);
+      LOG(INFO) << "Dumping the module IR: " << std::endl << AsText(m, show_meta_data);
       return m;
   };
   return CreateModulePass(pass_func, 0, "PrintIR", {});