Vendor import of clang trunk r238337:

https://llvm.org/svn/llvm-project/cfe/trunk@238337

1 files changed, 24 insertions, 7 deletions

diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index a518a0a..2bd999e 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -227,10 +227,12 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
 
   if (HSOpts.UseStandardSystemIncludes) {
     switch (os) {
+    case llvm::Triple::CloudABI:
     case llvm::Triple::FreeBSD:
     case llvm::Triple::NetBSD:
     case llvm::Triple::OpenBSD:
     case llvm::Triple::Bitrig:
+    case llvm::Triple::NaCl:
       break;
     default:
       // FIXME: temporary hack: hard-coded paths.
@@ -246,7 +248,7 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
     // supplied path.
     SmallString<128> P = StringRef(HSOpts.ResourceDir);
     llvm::sys::path::append(P, "include");
-    AddUnmappedPath(P.str(), ExternCSystem, false);
+    AddUnmappedPath(P, ExternCSystem, false);
   }
 
   // All remaining additions are for system include directories, early exit if
@@ -270,6 +272,14 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
   case llvm::Triple::Linux:
     llvm_unreachable("Include management is handled in the driver.");
 
+  case llvm::Triple::CloudABI: {
+    // <sysroot>/<triple>/include
+    SmallString<128> P = StringRef(HSOpts.ResourceDir);
+    llvm::sys::path::append(P, "../../..", triple.str(), "include");
+    AddPath(P, System, false);
+    break;
+  }
+
   case llvm::Triple::Haiku:
     AddPath("/boot/common/include", System, false);
     AddPath("/boot/develop/headers/os", System, false);
@@ -317,18 +327,18 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
       // <sysroot>/i686-w64-mingw32/include
       SmallString<128> P = StringRef(HSOpts.ResourceDir);
       llvm::sys::path::append(P, "../../../i686-w64-mingw32/include");
-      AddPath(P.str(), System, false);
+      AddPath(P, System, false);
 
       // <sysroot>/x86_64-w64-mingw32/include
       P.resize(HSOpts.ResourceDir.size());
       llvm::sys::path::append(P, "../../../x86_64-w64-mingw32/include");
-      AddPath(P.str(), System, false);
+      AddPath(P, System, false);
 
       // mingw.org crt include paths
       // <sysroot>/include
       P.resize(HSOpts.ResourceDir.size());
       llvm::sys::path::append(P, "../../../include");
-      AddPath(P.str(), System, false);
+      AddPath(P, System, false);
       AddPath("/mingw/include", System, false);
 #if defined(LLVM_ON_WIN32)
       AddPath("c:/mingw/include", System, false); 
@@ -340,8 +350,15 @@ void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
     break;
   }
 
-  if ( os != llvm::Triple::RTEMS )
+  switch (os) {
+  case llvm::Triple::CloudABI:
+  case llvm::Triple::RTEMS:
+  case llvm::Triple::NaCl:
+    break;
+  default:
     AddPath("/usr/include", ExternCSystem, false);
+    break;
+  }
 }
 
 void InitHeaderSearch::
@@ -488,7 +505,7 @@ void InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang,
 
           // Get foo/include/c++/v1
           llvm::sys::path::append(P, "include", "c++", "v1");
-          AddUnmappedPath(P.str(), CXXSystem, false);
+          AddUnmappedPath(P, CXXSystem, false);
         }
       }
       // On Solaris, include the support directory for things like xlocale and
@@ -699,7 +716,7 @@ void clang::ApplyHeaderSearchOptions(HeaderSearch &HS,
     // Set up the builtin include directory in the module map.
     SmallString<128> P = StringRef(HSOpts.ResourceDir);
     llvm::sys::path::append(P, "include");
-    if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P.str()))
+    if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P))
       HS.getModuleMap().setBuiltinIncludeDir(Dir);
   }