[Frontend] Use vfs for directory iteration while searching PCHs. NFCI
Use the vfs lookup instead of real filesytem and handle the case where
-include-pch is a directory and this dir is searched for a PCH.
llvm-svn: 289459
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 2945b89..e871b31 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -288,14 +288,15 @@
SmallString<128> DirNative;
llvm::sys::path::native(PCHDir->getName(), DirNative);
bool Found = false;
- for (llvm::sys::fs::directory_iterator Dir(DirNative, EC), DirEnd;
+ vfs::FileSystem &FS = *FileMgr.getVirtualFileSystem();
+ for (vfs::directory_iterator Dir = FS.dir_begin(DirNative, EC), DirEnd;
Dir != DirEnd && !EC; Dir.increment(EC)) {
// Check whether this is an acceptable AST file.
if (ASTReader::isAcceptableASTFile(
- Dir->path(), FileMgr, CI.getPCHContainerReader(),
+ Dir->getName(), FileMgr, CI.getPCHContainerReader(),
CI.getLangOpts(), CI.getTargetOpts(), CI.getPreprocessorOpts(),
SpecificModuleCachePath)) {
- PPOpts.ImplicitPCHInclude = Dir->path();
+ PPOpts.ImplicitPCHInclude = Dir->getName();
Found = true;
break;
}