PPCFrameLowering's FramePointerOffset can be computed at initialization

[oota-llvm.git] / lib / Target / PowerPC / PPCFrameLowering.h

diff --git a/lib/Target/PowerPC/PPCFrameLowering.h b/lib/Target/PowerPC/PPCFrameLowering.h
index c67541699e6636d781006728f4fb2017e218ff56..f41e299269ca9ffef5ef9736d367df98ce8af2d1 100644 (file)
--- a/lib/Target/PowerPC/PPCFrameLowering.h
+++ b/lib/Target/PowerPC/PPCFrameLowering.h
@@ -25,6 +25,7 @@ class PPCFrameLowering: public TargetFrameLowering {
   const PPCSubtarget &Subtarget;
   const unsigned ReturnSaveOffset;
   const unsigned TOCSaveOffset;
+  const unsigned FramePointerSaveOffset;
 
 public:
   PPCFrameLowering(const PPCSubtarget &STI);
@@ -77,18 +78,7 @@ public:
 
   /// getFramePointerSaveOffset - Return the previous frame offset to save the
   /// frame pointer.
-  static unsigned getFramePointerSaveOffset(bool isPPC64, bool isDarwinABI) {
-    // For the Darwin ABI:
-    // We cannot use the TOC save slot (offset +20) in the PowerPC linkage area
-    // for saving the frame pointer (if needed.)  While the published ABI has
-    // not used this slot since at least MacOSX 10.2, there is older code
-    // around that does use it, and that needs to continue to work.
-    if (isDarwinABI)
-      return isPPC64 ? -8U : -4U;
-
-    // SVR4 ABI: First slot in the general register save area.
-    return isPPC64 ? -8U : -4U;
-  }
+  unsigned getFramePointerSaveOffset() const { return FramePointerSaveOffset; }
 
   /// getBasePointerSaveOffset - Return the previous frame offset to save the
   /// base pointer.