pgsql: Debugging and profiling support for LLVM JIT provider.

Debugging and profiling support for LLVM JIT provider.

This currently requires patches to the LLVM codebase to be
effective (submitted upstream), the GUCs are available without those
patches however.

Author: Andres Freund
Discussion: https://postgr.es/m/20170901064131.tazjxwus3k2w3ybh@alap3.anarazel.de

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/250bca7fc145b143d5e9aeeca66f0bb36cf4d5ef

Modified Files
--------------
src/backend/jit/jit.c          |  2 ++
src/backend/jit/llvm/llvmjit.c | 36 ++++++++++++++++++++++++++++++++++++
src/backend/utils/misc/guc.c   | 32 ++++++++++++++++++++++++++++++++
src/include/jit/jit.h          |  2 ++
4 files changed, 72 insertions(+)