AMDGPU: Fix unused variable

llvm-svn: 364426

diff --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
index 72ce015..098152b 100644 (file)
--- a/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
@@ -526,7 +526,6 @@ void SIFrameLowering::emitEntryFunctionScratchSetup(const GCNSubtarget &ST,
 static unsigned findScratchNonCalleeSaveRegister(MachineFunction &MF,
                                                  LivePhysRegs &LiveRegs,
                                                  const TargetRegisterClass &RC) {
-  const GCNSubtarget &Subtarget = MF.getSubtarget<GCNSubtarget>();
   MachineRegisterInfo &MRI = MF.getRegInfo();
 
   // Mark callee saved registers as used so we will not choose them.