Remove unused variables

llvm-svn: 315847
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
index 0d410c29..4f48913 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
@@ -1712,7 +1712,7 @@
 
   MachineSDNode *CmpSwap = nullptr;
   if (Subtarget->hasAddr64()) {
-    SDValue SRsrc, VAddr, SOffset, Offset, GLC, SLC;
+    SDValue SRsrc, VAddr, SOffset, Offset, SLC;
 
     if (SelectMUBUFAddr64(Mem->getBasePtr(), SRsrc, VAddr, SOffset, Offset, SLC)) {
       unsigned Opcode = Is32 ? AMDGPU::BUFFER_ATOMIC_CMPSWAP_ADDR64_RTN :
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
index a7a12cd..0fa6712 100644
--- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
+++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
@@ -628,7 +628,7 @@
     MachineOperand *NonInlineUse = nullptr;
     int NonInlineUseOpNo = -1;
 
-    MachineRegisterInfo::use_iterator NextUse, NextInstUse;
+    MachineRegisterInfo::use_iterator NextUse;
     for (MachineRegisterInfo::use_iterator
            Use = MRI->use_begin(Dst.getReg()), E = MRI->use_end();
          Use != E; Use = NextUse) {