Add an "alignment" field to the MachineFunction object. It makes more sense to
have the alignment be calculated up front, and have the back-ends obey whatever
alignment is decided upon.

This allows for future work that would allow for precise no-op placement and the
like.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16ISelLowering.h b/lib/Target/PIC16/PIC16ISelLowering.h
index ca9650d..d5008c3 100644
--- a/lib/Target/PIC16/PIC16ISelLowering.h
+++ b/lib/Target/PIC16/PIC16ISelLowering.h
@@ -145,6 +145,11 @@
     unsigned GetTmpSize() { return TmpSize; }
     void SetTmpSize(unsigned Size) { TmpSize = Size; }
 
+    /// getFunctionAlignment - Return the function alignment.
+    virtual unsigned getFunctionAlignment(const Function *) const {
+      // FIXME: The function never seems to be aligned.
+      return 1;
+    }
   private:
     // If the Node is a BUILD_PAIR representing a direct Address,
     // then this function will return true.