[globalisel][tablegen] Fix an unused variable warning in release builds after r307133

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307138 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/GlobalISel/InstructionSelector.cpp b/lib/CodeGen/GlobalISel/InstructionSelector.cpp
index 1faebc29b8a8a6d7ffcc1f7c67d0e5b11e204058..fb423031828cb3004ff3942df6e85dc4da5cb016 100644 (file)
--- a/lib/CodeGen/GlobalISel/InstructionSelector.cpp
+++ b/lib/CodeGen/GlobalISel/InstructionSelector.cpp
@@ -59,7 +59,7 @@ void InstructionSelector::executeEmitTable(NewMIVector &OutMIs,
       break;
     }
     case GIR_BuildMI: {
-      int64_t InsnID = *Command++;
+      int64_t InsnID LLVM_ATTRIBUTE_UNUSED = *Command++;
       int64_t Opcode = *Command++;
       assert((size_t)InsnID == OutMIs.size() &&
              "Expected to store MIs in order");