Get line number for entry block of loop in LLVM 2.4

Hello all,

When we have a pointer to a basic block, which is the entry of a loop, how
do we get the line number of the source code coressponding to that basic
block?

Is this possible in LLVM 2.4, or do we need LLVM 2.5?

Thanks
George Matthew,Kevin H

Line number information is available through llvm.dbg.stoppoint
intrinsic, *if* front-end generated this intrinsic.