Add a utility function for conservatively clearing kill flags, and make
authorDan Gohman <gohman@apple.com>
Thu, 13 May 2010 19:24:00 +0000 (19:24 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 13 May 2010 19:24:00 +0000 (19:24 +0000)
commit49b4589978ca181537c8ae694ac4c8d58d27a09a
tree4ce239768a2457c5c072f64be5f7889343988370
parente1308d86ed2402483aa9d056af531fd773e1121f
Add a utility function for conservatively clearing kill flags, and make
use of it in MachineCSE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103726 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/MachineRegisterInfo.h
lib/CodeGen/MachineCSE.cpp
lib/CodeGen/MachineRegisterInfo.cpp