Calculate dead instructions when a live interval is created.
authorPete Cooper <peter_cooper@apple.com>
Tue, 3 Jun 2014 22:42:10 +0000 (22:42 +0000)
committerPete Cooper <peter_cooper@apple.com>
Tue, 3 Jun 2014 22:42:10 +0000 (22:42 +0000)
commit722355775239c54087cf2314b6047aed47fd9ec9
tree7c707640f17a23665e34aa22374953fe35f4ad8a
parent8de08a962774fd93dc7b30f8c1e3d1022569dde0
Calculate dead instructions when a live interval is created.

This gets us closer to being able to remove LiveVariables entirely which is where dead instructions are currently tagged as such.

Reviewed by Jakob Olesen

llvm-svn: 210132
llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h
llvm/lib/CodeGen/LiveIntervalAnalysis.cpp