From 6814f1522dd7cdeb4674a9ad199f482a2e7aaea1 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 13 Jul 2005 01:42:45 +0000
Subject: [PATCH] Fix
 test/Regression/CodeGen/Generic/2005-07-12-memcpy-i64-length.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22417 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 0fc06c0560e..a05e5937a66 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -906,7 +906,12 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
 
     SDOperand Tmp4;
     switch (getTypeAction(Node->getOperand(3).getValueType())) {
-    case Expand: assert(0 && "Cannot expand this yet!");
+    case Expand: {
+      // Length is too big, just take the lo-part of the length.
+      SDOperand HiPart;
+      ExpandOp(Node->getOperand(3), HiPart, Tmp4);
+      break;
+    }
     case Legal:
       Tmp4 = LegalizeOp(Node->getOperand(3));
       break;
-- 
2.34.1