Convert BuildLibCalls.cpp to using the AttributeSet methods instead of AttributeWithIndex.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173536 91177308-0d34-0410-b5e6-96231b3b80d8
Add DIContext::getLineInfoForAddressRange() function and test.  This function allows a caller to obtain a table of line information for a function using the function's address and size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173537 91177308-0d34-0410-b5e6-96231b3b80d8