From 77dfa84a843c0bc935a6c8664f2556573e30845f Mon Sep 17 00:00:00 2001
From: Wang Nan <wangnan0@huawei.com>
Date: Sat, 26 Nov 2016 07:03:35 +0000
Subject: perf clang: Use real file system for #include

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>
---
 tools/perf/util/c++/clang.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'tools/perf/util/c++/clang.h')

diff --git a/tools/perf/util/c++/clang.h b/tools/perf/util/c++/clang.h
index f64483be43d0..90aff0162f1c 100644
--- a/tools/perf/util/c++/clang.h
+++ b/tools/perf/util/c++/clang.h
@@ -12,5 +12,8 @@ using namespace llvm;
 std::unique_ptr<Module>
 getModuleFromSource(StringRef Name, StringRef Content);
 
+std::unique_ptr<Module>
+getModuleFromSource(StringRef Path);
+
 }
 #endif
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