Teach the register scavenger to take subregs into account when finding a free register.
authorJim Grosbach <grosbach@apple.com>
Sat, 5 Mar 2011 00:20:19 +0000 (00:20 +0000)
committerJim Grosbach <grosbach@apple.com>
Sat, 5 Mar 2011 00:20:19 +0000 (00:20 +0000)
commit27ea9999e84dfb1e6c2baf06ec27a92f12753917
tree6c0bff33f62a3b2ca5fc5de5e1c4b227bcbd1e99
parent515c67ee77f8d9c417efc0fe04615d269bfb70e4
Teach the register scavenger to take subregs into account when finding a free register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127049 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/RegisterScavenging.h
lib/CodeGen/RegisterScavenging.cpp