1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
index a6206e3d958..995dd0fe08e 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackendDarwin.h
@@ -16,11 +16,12 @@ using namespace llvm;
 
 namespace {
 class ARMAsmBackendDarwin : public ARMAsmBackend {
+  const MCRegisterInfo &MRI;
 public:
   const MachO::CPUSubTypeARM Subtype;
   ARMAsmBackendDarwin(const Target &T, const Triple &TT,
-                      MachO::CPUSubTypeARM st)
-      : ARMAsmBackend(T, TT, /* IsLittleEndian */ true), Subtype(st) {
+                      const MCRegisterInfo &MRI, MachO::CPUSubTypeARM st)
+      : ARMAsmBackend(T, TT, /* IsLittleEndian */ true), MRI(MRI), Subtype(st) {
     HasDataInCodeSupport = true;
   }
 
@@ -28,6 +29,9 @@ public:
     return createARMMachObjectWriter(OS, /*Is64Bit=*/false, MachO::CPU_TYPE_ARM,
                                      Subtype);
   }
+
+  uint32_t generateCompactUnwindEncoding(
+      ArrayRef<MCCFIInstruction> Instrs) const override;
 };
 }