dpa3 fix (#72378)

xiaoguoguo626807 · web-flow · commit a6d92e96d0d4 · 2025-04-22T15:50:01.000+08:00
diff --git a/paddle/fluid/framework/new_executor/instruction/control_flow/yield_instruction.cc b/paddle/fluid/framework/new_executor/instruction/control_flow/yield_instruction.cc
@@ -38,7 +38,7 @@ YieldInstruction::YieldInstruction(size_t id,
       continue;
     }
     auto in = op->operand_source(i);
-    if (in && in.type()) {
+    if (in) {
       inputs.emplace(in, GetValueIds(in, *value_exe_info));
       input_vars_.push_back(value_exe_info->GetVarByValue(in));
     }
diff --git a/python/paddle/autograd/ir_backward.py b/python/paddle/autograd/ir_backward.py
@@ -433,6 +433,7 @@ def make_output_with_output_grad(op):
             if (
                 value not in state.value_to_valuegrad
                 or state.value_to_valuegrad[value] == []
+                or state.value_to_valuegrad[value][0][0] is None
             ):
                 if not value.use_empty() and get_split_op(value) is not None:
                     # pattern case:

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ YieldInstruction::YieldInstruction(size_t id,`
`38`	`38`	`continue;`
`39`	`39`	`}`
`40`	`40`	`auto in = op->operand_source(i);`
`41`		`- if (in && in.type()) {`
	`41`	`+ if (in) {`
`42`	`42`	`inputs.emplace(in, GetValueIds(in, *value_exe_info));`
`43`	`43`	`input_vars_.push_back(value_exe_info->GetVarByValue(in));`
`44`	`44`	`}`