Fix the issue with determining whether operators in control flow are registered.

Author: 0x3878f

paddle2onnx/mapper/exporter.cc

@@ -41,14 +41,12 @@ bool ModelExporter::IsOpsRegistered(const PaddlePirParser& pir_parser,
                                     bool enable_experimental_op) {
   OnnxHelper temp_helper;
   std::set<std::string> unsupported_ops;
-  for (auto op : pir_parser.global_blocks_ops) {
+  for (auto op : pir_parser.total_blocks_ops) {
     if (op->name() == "pd_op.data" || op->name() == "pd_op.fetch") {
       continue;
     }
-    if (op->name() == "pd_op.if") {
-      continue;
-    }
-    if (op->name() == "pd_op.while") {
+    if (op->name() == "pd_op.if" || op->name() == "pd_op.while" ||
+        op->name() == "cf.yield") {
       continue;
     }
     std::string op_name = convert_pir_op_name(op->name());

paddle2onnx/parser/pir_parser.cc

@@ -32,6 +32,7 @@
 #include "paddle/pir/include/core/builtin_op.h"
 #include "paddle/pir/include/core/ir_context.h"
 #include "paddle2onnx/proto/p2o_paddle.pb.h"
+#include "paddle/fluid/pir/dialect/operator/ir/control_flow_op.h"
 
 phi::DataType TransToPhiDataType(pir::Type dtype) {
   if (dtype.isa<pir::BFloat16Type>()) {
@@ -211,6 +212,25 @@ void PaddlePirParser::GetOpArgNameMappings() {
   }
 }
 
+void PaddlePirParser::GetAllBlocksOpsSet(pir::Block* block) {
+  for(auto &op : block->ops()) {
+    std::string op_name = op->name();
+    if(op_name != "builtin.parameter") {
+      total_blocks_ops.insert(op);
+      if(op_name == "pd_op.if") {
+        auto if_op = op->dyn_cast<paddle::dialect::IfOp>();
+        pir::Block& true_block = if_op.true_block();
+        GetAllBlocksOpsSet(&true_block);
+        pir::Block& false_block = if_op.false_block();
+        GetAllBlocksOpsSet(&false_block);
+      } else if(op_name == "pd_op.while") {
+        auto while_op = op->dyn_cast<paddle::dialect::WhileOp>();
+        GetAllBlocksOpsSet(&while_op.body());
+      }
+    }
+  }
+}
+
 std::string PaddlePirParser::GetOpArgName(int64_t op_id,
                                           std::string name,
                                           bool if_in_sub_block) const {
@@ -436,6 +456,7 @@ bool PaddlePirParser::Init(const std::string& _model,
   GetGlobalBlockInputOutputInfo();
   GetAllOpOutputName();
   GetOpArgNameMappings();
+  GetAllBlocksOpsSet(pir_program_->block());
   return true;
 }
 int PaddlePirParser::NumOfBlocks() const {

paddle2onnx/parser/pir_parser.h

@@ -37,6 +37,8 @@ class PaddlePirParser {
   // recoring set of operators for sub block
   mutable std::vector<pir::Operation*>
       sub_blocks_ops;  // todo(wangmingkai02): delete sub_blocks_ops
+  // recoring set of operators for all blocks
+  std::set<pir::Operation*> total_blocks_ops;
   // recording args of while op body name info
   std::unordered_map<pir::detail::ValueImpl*, pir::detail::ValueImpl*>
       while_op_input_value_map;
@@ -270,6 +272,7 @@ class PaddlePirParser {
   bool LoadParams(const std::string& path);
   bool GetParamValueName(std::vector<std::string>* var_names);
   void GetGlobalBlocksOps();
+  void GetAllBlocksOpsSet(pir::Block *block);
   void GetGlobalBlockInputOutputInfo();
   void GetGlobalBlockInputValueName();
   void GetGlobalBlockOutputValueName();