Prevent redundant call transformation

Redundant getComponentType() transformation was observed in value propagation optimization. Adding condition to perform this transformation only in last time through run. Signed-off-by: Ehsan Kiani Far <[email protected]>
eclipse-openj9 · Jan 16, 2025 · eb013df · eb013df
1 parent 55155f7
commit eb013df
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/runtime/compiler/optimizer/J9ValuePropagation.cpp b/runtime/compiler/optimizer/J9ValuePropagation.cpp
@@ -1768,6 +1768,9 @@ J9::ValuePropagation::constrainRecognizedMethod(TR::Node *node)
          }
       case TR::java_lang_Class_getComponentType:
          {
+         if (!lastTimeThrough())
+            return;
+
          TR::Node *classChild = node->getLastChild();
          bool classChildGlobal;
          TR::VPConstraint *classChildConstraint = getConstraint(classChild, classChildGlobal);