[PIR][CSE] Skip replace inplace op in CSE (#71950)

SigureMo · web-flow · commit 65f2c2799c92 · 2025-03-31T14:25:40.000+08:00
diff --git a/paddle/fluid/pir/transforms/general/common_subexpression_elimination_pass.cc b/paddle/fluid/pir/transforms/general/common_subexpression_elimination_pass.cc
@@ -284,6 +284,11 @@ struct Expression {
               << " has side effect";
       return false;
     }
+    if (op->HasTrait<paddle::dialect::InplaceTrait>()) {
+      VLOG(7) << "[CalcOperationCanBeSafeToReplace] " << op->name()
+              << " is an inplace op";
+      return false;
+    }
     for (auto& value : op->results()) {
       if (!IsDenseTensorOrVectorOfDenseTensorType(value)) {
         VLOG(7)
