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/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 1be1713..b70c2ac 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -181,6 +181,11 @@
   }
 }
 
+/// getFunctionAlignment - Return the function alignment.
+unsigned AlphaTargetLowering::getFunctionAlignment(const Function *F) const {
+  return 4;
+}
+
 static SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) {
   MVT PtrVT = Op.getValueType();
   JumpTableSDNode *JT = cast<JumpTableSDNode>(Op);