xqdan opened a new issue #6413:
URL: https://github.com/apache/incubator-tvm/issues/6413


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   Hi,
   
   I am trying to use tir printer to dump ir for each pass:
   '''
   __TRACE_COUNTER__ = 0
   def dumpir(module, info, is_before):
       global __TRACE_COUNTER__
       if bool(is_before) == False:
           __TRACE_COUNTER__ += 1
           pname = str(__TRACE_COUNTER__).rjust(2,'0')  + "_" + info.name + 
".ir"
           with open(pname, "a") as f:
               f.write(str(module))
   
   def tx_conv2d(input_shape, filter_shape, pad, stride):
       fmap = te.placeholder(input_shape, name="feature_map", dtype="float16")
       weight = te.placeholder(filter_shape, name="filter", dtype="float16")
       conv_res = tx_conv_compute(fmap, weight, pad, stride)
       sch = tx_conv2d_schedule(conv_res)
       with tvm.transform.PassContext(opt_level=3, trace=dumpir):
           (tvm.lower(sch, [fmap, weight, conv_res], simple_mode=True))
   '''
   
   1, check failed for local buffer
   
https://github.com/apache/incubator-tvm/blob/82d157f0b83ae17fde7bbfca14110aa2f2b80b61/src/printer/tir_text_printer.cc#L196
   
   such as: buffer(result.shared_LLB, 0x11b7170), which is not in buffer_map
   
   2, so I comment this, then I find ir dump for 01_tir.InjectPrefetch.ir, 
missing buffer for a store name, which looks werid:
   ```
    attr [] "realize_scope" = "shared_LLB";
           realize(, [0:1, 0:1, 0:16, 0:32], True {
             attr [IterVar(ax0_1: int32, (nullptr), "DataPar", "")] 
"pragma_dma_copy" = 1;
             for (ax2_1: int32, 0, 16) {
               for (ax3_1: int32, 0, 32) {
                 [0, 0, ax2_1, ax3_1] = filter[0, 0, ax2_1, ax3_1]
               }
             }
   ```
   3, is this an extra ')' here ?
   
https://github.com/apache/incubator-tvm/blob/82d157f0b83ae17fde7bbfca14110aa2f2b80b61/src/printer/tir_text_printer.cc#L304
   
   


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