[Hexagon] Enable subregister liveness tracking

llvm-svn: 279642

diff --git a/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp b/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp
index ca6d1cf..a3ec048 100644 (file)
--- a/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp
@@ -66,7 +66,7 @@ static cl::opt<bool> DisableHexagonMISched("disable-hexagon-misched",
   cl::desc("Disable Hexagon MI Scheduling"));
 
 static cl::opt<bool> EnableSubregLiveness("hexagon-subreg-liveness",
-  cl::Hidden, cl::ZeroOrMore, cl::init(false),
+  cl::Hidden, cl::ZeroOrMore, cl::init(true),
   cl::desc("Enable subregister liveness tracking for Hexagon"));
 
 static cl::opt<bool> OverrideLongCalls("hexagon-long-calls",