From 8a18c13fa5d226e60a875eff5ae66cefe4093bc9 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 1 May 2006 21:17:10 +0000
Subject: [PATCH] When promoting a load to a reg-reg copy, where the load was a
 previous instruction folded with spill code, make sure the remove the load
 from the virt reg folded map.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28040 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/VirtRegMap.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 7523d73c2e6..fa5a6ac8e80 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -712,6 +712,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
               NextMII = &MI;
               --NextMII;  // backtrack to the copy.
             }
+            VRM.RemoveFromFoldedVirtMap(&MI);
             MBB.erase(&MI);
             goto ProcessNextInst;
           }