From e9ca37d2481dc293be93cbb8e154e44906a422e3 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Wed, 31 Dec 2014 13:01:23 -0500
Subject: R600: Enable subreg liveness

---
 lib/Target/R600/AMDGPUSubtarget.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/Target/R600/AMDGPUSubtarget.h b/lib/Target/R600/AMDGPUSubtarget.h
index ff1b8b1df68..f72c8520e33 100644
--- a/lib/Target/R600/AMDGPUSubtarget.h
+++ b/lib/Target/R600/AMDGPUSubtarget.h
@@ -235,6 +235,10 @@ public:
     // FIXME: Not sure what this is for other subtagets.
     llvm_unreachable("do not know max waves per CU for this subtarget.");
   }
+
+  virtual bool enableSubRegLiveness() const override {
+    return true;
+  }
 };
 
 } // End namespace llvm
-- 
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