[analyzer] On-demand parsing capability for CTU
Summary:
Introduce on-demand parsing of needed ASTs during CTU analysis.
The index-file format is extended, and analyzer-option CTUInvocationList
is added to specify the exact invocations needed to parse the needed
source-files.
Reviewers: martong, balazske, Szelethus, xazax.hun, whisperity
Reviewed By: martong, xazax.hun
Subscribers: gribozavr2, thakis, ASDenysPetrov, ormris, mgorny, whisperity, xazax.hun, baloghadamsoftware, szepet, rnkovacs, a.sidorin, mikhail.ramalho, Szelethus, donat.nagy, dkrupp, Charusso, steakhal, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D75665
5cc18516c4