bpf: fix build

complete the plumbing of passing TargetRegisterInfo through
computeRegisterProperties started by r230583

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230858 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/BPF/BPFISelLowering.h b/lib/Target/BPF/BPFISelLowering.h
index 04d79083fe0e37fade6660882c5c648e0c199faf..5a6f0f78a58a94db2b39281e60013235b6ae5765 100644 (file)
--- a/lib/Target/BPF/BPFISelLowering.h
+++ b/lib/Target/BPF/BPFISelLowering.h
@@ -20,6 +20,7 @@
 #include "llvm/Target/TargetLowering.h"
 
 namespace llvm {
+class BPFSubtarget;
 namespace BPFISD {
 enum {
   FIRST_NUMBER = ISD::BUILTIN_OP_END,