[FileSystem] Add convenience method to check for directories.

Replace calls to LLVM's is_directory with calls to LLDB's FileSytem
class. For this I introduced a new convenience method that, like the
other methods, takes either a path or filespec. This still uses the LLVM
functions under the hood.

Differential revision: https://reviews.llvm.org/D54135

llvm-svn: 346375

1 files changed, 1 insertions, 1 deletions

diff --git a/lldb/source/Host/common/Symbols.cpp b/lldb/source/Host/common/Symbols.cpp
index 0a1eb8fd18f..5297ff040b0 100644
--- a/lldb/source/Host/common/Symbols.cpp
+++ b/lldb/source/Host/common/Symbols.cpp
@@ -311,7 +311,7 @@ FileSpec Symbols::LocateExecutableSymbolFile(const ModuleSpec &module_spec) {
     for (size_t idx = 0; idx < num_directories; ++idx) {
       FileSpec dirspec = debug_file_search_paths.GetFileSpecAtIndex(idx);
       FileSystem::Instance().Resolve(dirspec);
-      if (!llvm::sys::fs::is_directory(dirspec.GetPath()))
+      if (!FileSystem::Instance().IsDirectory(dirspec))
         continue;
 
       std::vector<std::string> files;