From 1f0d1b4d9b7d71ad8db4b1304d06132027f8ddc0 Mon Sep 17 00:00:00 2001
From: "@evian_hill" <liuyan122@huawei.com>
Date: Tue, 27 Apr 2021 16:21:55 +0800
Subject: [PATCH] create same addrofOst for fields of union

---
 src/mapleall/maple_me/src/ssa_tab.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mapleall/maple_me/src/ssa_tab.cpp b/src/mapleall/maple_me/src/ssa_tab.cpp
index 7405f2dc0b..64be6c37af 100644
--- a/src/mapleall/maple_me/src/ssa_tab.cpp
+++ b/src/mapleall/maple_me/src/ssa_tab.cpp
@@ -33,7 +33,11 @@ BaseNode *SSATab::CreateSSAExpr(BaseNode &expr) {
     auto &addrofNode = static_cast<AddrofNode&>(expr);
     AddrofSSANode *ssaNode = mirModule.CurFunction()->GetCodeMemPool()->New<AddrofSSANode>(addrofNode);
     MIRSymbol *st = mirModule.CurFunction()->GetLocalOrGlobalSymbol(ssaNode->GetStIdx());
-    OriginalSt *ost = FindOrCreateSymbolOriginalSt(*st, mirModule.CurFunction()->GetPuidx(), ssaNode->GetFieldID());
+    FieldID fieldId = ssaNode->GetFieldID();
+    if (expr.GetOpCode() == OP_addrof && st->GetType()->GetKind() == kTypeUnion) {
+      fieldId = 0;
+    }
+    OriginalSt *ost = FindOrCreateSymbolOriginalSt(*st, mirModule.CurFunction()->GetPuidx(), fieldId);
     versionStTable.CreateZeroVersionSt(ost);
     ssaNode->SetSSAVar(*versionStTable.GetZeroVersionSt(ost));
     return ssaNode;
-- 
Gitee