Add back in r109901, which adds a Compare flag to the target instructions. It's
useful after all.

llvm-svn: 110531
diff --git a/llvm/utils/TableGen/CodeGenInstruction.h b/llvm/utils/TableGen/CodeGenInstruction.h
index 946c2d0..b02d0d3 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.h
+++ b/llvm/utils/TableGen/CodeGenInstruction.h
@@ -123,6 +123,7 @@
     bool isReturn;
     bool isBranch;
     bool isIndirectBranch;
+    bool isCompare;
     bool isBarrier;
     bool isCall;
     bool canFoldAsLoad;