R600OptimizeVectorRegisters.cpp: Suppress a warning. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183370 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/R600OptimizeVectorRegisters.cpp b/lib/Target/R600/R600OptimizeVectorRegisters.cpp
index 2062cbb3dfdee81c5a0843dc51016291245062f0..abdcf5ad1122e403b2aea3f1aad940b559dfe7f2 100644 (file)
--- a/lib/Target/R600/R600OptimizeVectorRegisters.cpp
+++ b/lib/Target/R600/R600OptimizeVectorRegisters.cpp
@@ -198,6 +198,7 @@ MachineInstr *R600VectorRegMerger::RebuildVector(
         UpdatedUndef.erase(RemoveIt);
     }
     DEBUG(dbgs() << "    ->"; Tmp->dump(););
+    (void)Tmp;
     SrcVec = DstReg;
   }
   Pos = BuildMI(MBB, Pos, DL, TII->get(AMDGPU::COPY), Reg)