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

1 files changed, 11 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index 0074f1a5f2..e9cecf9d68 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -111,6 +111,9 @@ class MachineFunction : private Annotation {
   // Tracks debug locations.
   DebugLocTracker DebugLocInfo;
 
+  // The alignment of the function.
+  unsigned Alignment;
+
 public:
   MachineFunction(const Function *Fn, const TargetMachine &TM);
   ~MachineFunction();
@@ -148,6 +151,14 @@ public:
   MachineConstantPool *getConstantPool() { return ConstantPool; }
   const MachineConstantPool *getConstantPool() const { return ConstantPool; }
 
+  /// getAlignment - Return the alignment of the function.
+  ///
+  unsigned getAlignment() const { return Alignment; }
+
+  /// setAlignment - Set the alignment of the function.
+  ///
+  void setAlignment(unsigned A) { Alignment = A; }
+
   /// MachineFunctionInfo - Keep track of various per-function pieces of
   /// information for backends that would like to do so.
   ///