From 64a1fa5cdaab414c06ef8ca7bd851ade5a34dae6 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Fri, 10 May 2013 22:52:27 +0000
Subject: [Modules] Make r180934 more efficient by only loading top-level
 module maps in system header directories.

llvm-svn: 181643
---
 clang/lib/Lex/ModuleMap.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'clang/lib/Lex/ModuleMap.cpp')

diff --git a/clang/lib/Lex/ModuleMap.cpp b/clang/lib/Lex/ModuleMap.cpp
index de23485..62b1fc7 100644
--- a/clang/lib/Lex/ModuleMap.cpp
+++ b/clang/lib/Lex/ModuleMap.cpp
@@ -183,8 +183,7 @@ Module *ModuleMap::findModuleForHeader(const FileEntry *File) {
   // specific module (e.g., in /usr/include).
   if (File->getDir() == BuiltinIncludeDir &&
       isBuiltinHeader(llvm::sys::path::filename(File->getName()))) {
-    SmallVector<Module *, 4> AllModules;
-    HeaderInfo.collectAllModules(AllModules);
+    HeaderInfo.loadTopLevelSystemModules();
 
     // Check again.
     Known = Headers.find(File);
-- 
cgit v1.1