tree 8e1d386f397a8139925f2afe4ac7a4644179ca61
parent b908a009cf3d85586c6ca25d1de035b7d2b030b5
author Jakob Stoklund Olesen <stoklund@2pi.dk> 1295504402 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> 1295504402 +0000

Check that a live range exists before shortening it. This fixes PR8989.

The live range may have been deleted earlier because of rematerialization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123891 91177308-0d34-0410-b5e6-96231b3b80d8