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

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 7523d73c2e..fa5a6ac8e8 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;
           }