Fix up some problems with getCopyToReg and getCopyFromReg nodes being
authorBob Wilson <bob.wilson@apple.com>
Fri, 24 Apr 2009 17:00:36 +0000 (17:00 +0000)
committerBob Wilson <bob.wilson@apple.com>
Fri, 24 Apr 2009 17:00:36 +0000 (17:00 +0000)
commit4d59e1d666d3187aff11c9b11fe8a9eccade3f26
treeb27cdbb83d47442d4a076c199e297298b4d40a3c
parent95fc7aac600803a6a29e73746f9336e3a7cdf383
Fix up some problems with getCopyToReg and getCopyFromReg nodes being
chained and "flagged" together.  I also made a few changes to handle the
chain and flag values more consistently.  I found these problems by
inspection so I'm not aware of anything that breaks because of them
(thus no testcase).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69977 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/ARM/ARMISelLowering.cpp