R600/SI: Add kill flag when copying scratch offset to a register

This allows us to re-use the same register for the scratch offset
when accessing large private arrays.

llvm-svn: 226585

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/lib/Target/R600/SIRegisterInfo.cpp b/llvm/lib/Target/R600/SIRegisterInfo.cpp
index f9feea470f1..59ff8a27d05 100644
--- a/llvm/lib/Target/R600/SIRegisterInfo.cpp
+++ b/llvm/lib/Target/R600/SIRegisterInfo.cpp
@@ -289,7 +289,7 @@ void SIRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator MI,
         BuildMI(*MBB, MI, MI->getDebugLoc(),
                 TII->get(AMDGPU::V_MOV_B32_e32), TmpReg)
                 .addImm(Offset);
-        FIOp.ChangeToRegister(TmpReg, false);
+        FIOp.ChangeToRegister(TmpReg, false, false, true);
       }
     }
   }