ARM64: initial backend import

[oota-llvm.git] / include / llvm / MC / MCAsmLayout.h

diff --git a/include/llvm/MC/MCAsmLayout.h b/include/llvm/MC/MCAsmLayout.h
index 267e3a57f5aceceec89711a91197b0a78de05f37..3058b7b48742db623837d325dd3736c17139ff12 100644 (file)
--- a/include/llvm/MC/MCAsmLayout.h
+++ b/include/llvm/MC/MCAsmLayout.h
@@ -49,15 +49,21 @@ private:
   /// \brief Is the layout for this fragment valid?
   bool isFragmentValid(const MCFragment *F) const;
 
+  /// \brief Compute the amount of padding required before this fragment to
+  /// obey bundling restrictions.
+  uint64_t computeBundlePadding(const MCFragment *F,
+                                uint64_t FOffset, uint64_t FSize);
+
 public:
   MCAsmLayout(MCAssembler &_Assembler);
 
   /// Get the assembler object this is a layout for.
   MCAssembler &getAssembler() const { return Assembler; }
 
-  /// \brief Invalidate the fragments after F because it has been resized.
-  /// The fragment's size should have already been updated.
-  void invalidateFragmentsAfter(MCFragment *F);
+  /// \brief Invalidate the fragments starting with F because it has been
+  /// resized. The fragment's size should have already been updated, but
+  /// its bundle padding will be recomputed.
+  void invalidateFragmentsFrom(MCFragment *F);
 
   /// \brief Perform layout for a single fragment, assuming that the previous
   /// fragment has already been laid out correctly, and the parent section has