1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/ARM/Thumb1InstrInfo.h b/lib/Target/ARM/Thumb1InstrInfo.h
index 67b78fbedf..a1c9f04ef7 100644
--- a/lib/Target/ARM/Thumb1InstrInfo.h
+++ b/lib/Target/ARM/Thumb1InstrInfo.h
@@ -34,6 +34,13 @@ public:
   // Return the opcode that implements 'Op', or 0 if no opcode
   unsigned getOpcode(ARMII::Op Op) const;
 
+  // If 'opcode' is an instruction with an unsigned offset that also
+  // has a version with a signed offset, return the opcode for the
+  // version with the signed offset. In 'NumBits' return the number of
+  // bits for the signed offset.
+  unsigned unsignedOffsetOpcodeToSigned(unsigned opcode,
+                                        unsigned *NumBits) const;
+
   // Return true if the block does not fall through.
   bool BlockHasNoFallThrough(const MachineBasicBlock &MBB) const;