Add a print method to MachineFunctionProperties for better error messages

This makes check failures much easier to understand.
Make it empty (but leave it in the class) for NDEBUG builds.

Differential Revision: http://reviews.llvm.org/D18529

llvm-svn: 264780

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/include/llvm/CodeGen/MachineFunction.h b/llvm/include/llvm/CodeGen/MachineFunction.h
index b253691dabb..27d2e0a683c 100644
--- a/llvm/include/llvm/CodeGen/MachineFunction.h
+++ b/llvm/include/llvm/CodeGen/MachineFunction.h
@@ -143,6 +143,8 @@ public:
     return !V.Properties.test(Properties);
   }
 
+  void print(raw_ostream &ROS) const;
+
 private:
   BitVector Properties =
       BitVector(static_cast<unsigned>(Property::LastProperty));