From 5113516a085b1fab10ab87fbcd8d727af44d0b08 Mon Sep 17 00:00:00 2001
From: Gita Koblents <koblents@ca.ibm.com>
Date: Thu, 17 Oct 2024 15:23:27 -0400
Subject: [PATCH] Propagate known object info to aload node

---
 compiler/optimizer/VPHandlers.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/compiler/optimizer/VPHandlers.cpp b/compiler/optimizer/VPHandlers.cpp
index 0a5fda2e046..7ff383a41d6 100644
--- a/compiler/optimizer/VPHandlers.cpp
+++ b/compiler/optimizer/VPHandlers.cpp
@@ -583,6 +583,14 @@ static bool findConstant(OMR::ValuePropagation *vp, TR::Node *node)
                            }
                         }
                      }
+                  else if (node->getOpCode().isLoadDirect() &&
+                           !node->hasKnownObjectIndex() &&
+                           !node->getSymbolReference()->hasKnownObjectIndex() &&
+                           node->getSymbolReference()->getSymbol()->isAutoOrParm())
+                     {
+                     if (performTransformation(vp->comp(), "%sSetting known-object obj%d on node [%p]\n", OPT_DETAILS, knownObject->getIndex(), node))
+                         node->setKnownObjectIndex(knownObject->getIndex());
+                     }
                   }
                }
             break;