perf clang: Use real file system for #include

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Utilize clang's OverlayFileSystem facility, allow CompilerInstance to
access real file system.

With this patch the '#include' directive can be used.

Add a new getModuleFromSource for real file.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joe Stringer <joe@ovn.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/20161126070354.141764-12-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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This commit is contained in:

Wang Nan 2016-11-26 07:03:35 +00:00 • committed by Arnaldo Carvalho de Melo

parent 00b86691c7

commit 77dfa84a84

2 changed files with 35 additions and 12 deletions

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