1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCFrameLowering.h b/lib/Target/PowerPC/PPCFrameLowering.h
index 6f5f936..9acf129 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.h
+++ b/lib/Target/PowerPC/PPCFrameLowering.h
@@ -94,6 +94,20 @@ public:
     return isPPC64 ? -8U : -4U;
   }
 
+  /// getBasePointerSaveOffset - Return the previous frame offset to save the
+  /// base pointer.
+  static unsigned getBasePointerSaveOffset(bool isPPC64, bool isDarwinABI,
+                                           bool hasFP) {
+    if (!hasFP)
+      return getFramePointerSaveOffset(isPPC64, isDarwinABI);
+
+    if (isDarwinABI)
+      return isPPC64 ? -16U : -8U;
+
+    // SVR4 ABI: First slot in the general register save area.
+    return isPPC64 ? -16U : -8U;
+  }
+
   /// getLinkageSize - Return the size of the PowerPC ABI linkage area.
   ///
   static unsigned getLinkageSize(bool isPPC64, bool isDarwinABI) {