Convert register liveness tracking to work on a sub-register level instead of just register units.

Reviewed by Andy

llvm-svn: 197315
diff --git a/llvm/lib/CodeGen/CMakeLists.txt b/llvm/lib/CodeGen/CMakeLists.txt
index 10cc9ff..0beca0c 100644
--- a/llvm/lib/CodeGen/CMakeLists.txt
+++ b/llvm/lib/CodeGen/CMakeLists.txt
@@ -35,7 +35,7 @@
   LiveRangeCalc.cpp
   LiveRangeEdit.cpp
   LiveRegMatrix.cpp
-  LiveRegUnits.cpp
+  LivePhysRegs.cpp
   LiveStackAnalysis.cpp
   LiveVariables.cpp
   LocalStackSlotAllocation.cpp