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) {
diff --git a/llvm/lib/Target/Mips/Mips16FrameLowering.cpp b/llvm/lib/Target/Mips/Mips16FrameLowering.cpp
index 00f8901..76bca3d 100644
--- a/llvm/lib/Target/Mips/Mips16FrameLowering.cpp
+++ b/llvm/lib/Target/Mips/Mips16FrameLowering.cpp
@@ -59,7 +59,6 @@
 
   MachineModuleInfo &MMI = MF.getMMI();
   const MCRegisterInfo *MRI = MMI.getContext().getRegisterInfo();
-  MachineLocation DstML, SrcML;
 
   // Adjust stack.
   TII.makeFrame(Mips::SP, StackSize, MBB, MBBI);
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index 5396de9..d12da4b 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -3108,7 +3108,6 @@
   // direct call is) turn it into a TargetGlobalAddress/TargetExternalSymbol
   // node so that legalize doesn't hack it.
 
-  SDValue CalleeLo;
   EVT Ty = Callee.getValueType();
   bool GlobalOrExternal = false, IsCallReloc = false;
 
diff --git a/llvm/lib/Target/Mips/MipsSEFrameLowering.cpp b/llvm/lib/Target/Mips/MipsSEFrameLowering.cpp
index 4c7e25b..0b19b18 100644
--- a/llvm/lib/Target/Mips/MipsSEFrameLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsSEFrameLowering.cpp
@@ -424,7 +424,6 @@
 
   MachineModuleInfo &MMI = MF.getMMI();
   const MCRegisterInfo *MRI = MMI.getContext().getRegisterInfo();
-  MachineLocation DstML, SrcML;
 
   // Adjust stack.
   TII.adjustStackPtr(SP, -StackSize, MBB, MBBI);
diff --git a/llvm/unittests/DebugInfo/MSF/MappedBlockStreamTest.cpp b/llvm/unittests/DebugInfo/MSF/MappedBlockStreamTest.cpp
index 94c4898..3a3937e 100644
--- a/llvm/unittests/DebugInfo/MSF/MappedBlockStreamTest.cpp
+++ b/llvm/unittests/DebugInfo/MSF/MappedBlockStreamTest.cpp
@@ -254,8 +254,6 @@
   DiscontiguousStream F(BlocksAry, Data);
   auto S = WritableMappedBlockStream::createStream(F.block_size(), F.layout(),
                                                    F, F.Allocator);
-  ArrayRef<uint8_t> Buffer;
-
   EXPECT_THAT_ERROR(S->writeBytes(0, ArrayRef<uint8_t>(LargeBuffer)), Failed());
   EXPECT_THAT_ERROR(S->writeBytes(0, ArrayRef<uint8_t>(SmallBuffer)),
                     Succeeded());