Revert "Revert r241620 and follow-up commits" and move the initialization

of the llvm targets from clang/CodeGen into ClangCheck.cpp and CIndex.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241653 91177308-0d34-0410-b5e6-96231b3b80d8

96 files changed, 397 insertions, 57 deletions

diff --git a/include/clang/CodeGen/ObjectFilePCHContainerOperations.h b/include/clang/CodeGen/ObjectFilePCHContainerOperations.h
new file mode 100644
index 0000000000..4540efb297
--- /dev/null
+++ b/include/clang/CodeGen/ObjectFilePCHContainerOperations.h
@@ -0,0 +1,43 @@
+//===-- CodeGen/ObjectFilePCHContainerOperations.h - ------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_CODEGEN_OBJECT_FILE_PCH_CONTAINER_OPERATIONS_H
+#define LLVM_CLANG_CODEGEN_OBJECT_FILE_PCH_CONTAINER_OPERATIONS_H
+
+#include "clang/Frontend/PCHContainerOperations.h"
+
+namespace clang {
+
+/// \brief A PCHContainerOperations implementation that uses LLVM to
+/// wraps Clang modules inside a COFF, ELF, or Mach-O container.
+class ObjectFilePCHContainerOperations
+  : public PCHContainerOperations {
+  /// \brief Return an ASTConsumer that can be chained with a
+  /// PCHGenerator that produces a wrapper file format
+  /// that also contains full debug info for the module.
+  std::unique_ptr<ASTConsumer>
+    CreatePCHContainerGenerator(
+      DiagnosticsEngine &Diags, const HeaderSearchOptions &HSO,
+      const PreprocessorOptions &PPO, const TargetOptions &TO,
+      const LangOptions &LO, const std::string &MainFileName,
+      const std::string &OutputFileName, llvm::raw_pwrite_stream *OS,
+      std::shared_ptr<PCHBuffer> Buffer) const override;
+
+  /// \brief Initialize an llvm::BitstreamReader with the serialized
+  /// AST inside the PCH container Buffer.
+  void ExtractPCH(llvm::MemoryBufferRef Buffer,
+                  llvm::BitstreamReader &StreamFile) const override;
+
+
+};
+
+}
+
+
+#endif
diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index c46e2c7db3..1a636aefa6 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -19,6 +19,7 @@
 
 #include "clang/Basic/FileManager.h"
 #include "clang/Basic/FileSystemStatCache.h"
+#include "clang/Frontend/PCHContainerOperations.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/Support/FileSystem.h"
@@ -585,3 +586,5 @@ void FileManager::PrintStats() const {
 
   //llvm::errs() << PagesMapped << BytesOfPagesMapped << FSLookups;
 }
+
+PCHContainerOperations::~PCHContainerOperations() {}
diff --git a/lib/CodeGen/CMakeLists.txt b/lib/CodeGen/CMakeLists.txt
index 5a060b3080..2da4f4961a 100644
--- a/lib/CodeGen/CMakeLists.txt
+++ b/lib/CodeGen/CMakeLists.txt
@@ -71,6 +71,7 @@ add_clang_library(clangCodeGen
   ItaniumCXXABI.cpp
   MicrosoftCXXABI.cpp
   ModuleBuilder.cpp
+  ObjectFilePCHContainerOperations.cpp
   SanitizerMetadata.cpp
   TargetInfo.cpp
 
diff --git a/lib/CodeGen/ObjectFilePCHContainerOperations.cpp b/lib/CodeGen/ObjectFilePCHContainerOperations.cpp
new file mode 100644
index 0000000000..7b82579508
--- /dev/null
+++ b/lib/CodeGen/ObjectFilePCHContainerOperations.cpp
@@ -0,0 +1,192 @@
+//===--- ObjectFilePCHContainerOperations.cpp -----------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
+#include "CGDebugInfo.h"
+#include "CodeGenModule.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/DeclObjC.h"
+#include "clang/AST/Expr.h"
+#include "clang/AST/RecursiveASTVisitor.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/TargetInfo.h"
+#include "clang/CodeGen/BackendUtil.h"
+#include "clang/Frontend/CodeGenOptions.h"
+#include "clang/Serialization/ASTWriter.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Bitcode/BitstreamReader.h"
+#include "llvm/DebugInfo/DWARF/DWARFContext.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/TargetRegistry.h"
+#include <memory>
+using namespace clang;
+
+#define DEBUG_TYPE "pchcontainer"
+
+namespace {
+class ModuleContainerGenerator : public ASTConsumer {
+  DiagnosticsEngine &Diags;
+  const std::string MainFileName;
+  ASTContext *Ctx;
+  const HeaderSearchOptions &HeaderSearchOpts;
+  const PreprocessorOptions &PreprocessorOpts;
+  CodeGenOptions CodeGenOpts;
+  const TargetOptions TargetOpts;
+  const LangOptions LangOpts;
+  std::unique_ptr<llvm::LLVMContext> VMContext;
+  std::unique_ptr<llvm::Module> M;
+  std::unique_ptr<CodeGen::CodeGenModule> Builder;
+  raw_pwrite_stream *OS;
+  std::shared_ptr<PCHBuffer> Buffer;
+
+public:
+  ModuleContainerGenerator(
+      DiagnosticsEngine &diags,
+      const HeaderSearchOptions &HSO, const PreprocessorOptions &PPO,
+      const TargetOptions &TO, const LangOptions &LO,
+      const std::string &MainFileName, const std::string &OutputFileName,
+      raw_pwrite_stream *OS, std::shared_ptr<PCHBuffer> Buffer)
+    : Diags(diags), HeaderSearchOpts(HSO), PreprocessorOpts(PPO),
+      TargetOpts(TO), LangOpts(LO), OS(OS),
+      Buffer(Buffer) {
+    // The debug info output isn't affected by CodeModel and
+    // ThreadModel, but the backend expects them to be nonempty.
+    CodeGenOpts.CodeModel = "default";
+    CodeGenOpts.ThreadModel = "single";
+    CodeGenOpts.setDebugInfo(CodeGenOptions::FullDebugInfo);
+    CodeGenOpts.SplitDwarfFile = OutputFileName;
+  }
+
+  virtual ~ModuleContainerGenerator() {}
+
+  void Initialize(ASTContext &Context) override {
+    Ctx = &Context;
+    VMContext.reset(new llvm::LLVMContext());
+    M.reset(new llvm::Module(MainFileName, *VMContext));
+    M->setDataLayout(Ctx->getTargetInfo().getTargetDescription());
+    Builder.reset(new CodeGen::CodeGenModule(*Ctx, HeaderSearchOpts,
+                                             PreprocessorOpts, CodeGenOpts,
+                                             *M, M->getDataLayout(), Diags));
+  }
+
+  /// Emit a container holding the serialized AST.
+  void HandleTranslationUnit(ASTContext &Ctx) override {
+    assert(M && VMContext && Builder);
+    // Delete these on function exit.
+    std::unique_ptr<llvm::LLVMContext> VMContext = std::move(this->VMContext);
+    std::unique_ptr<llvm::Module> M = std::move(this->M);
+    std::unique_ptr<CodeGen::CodeGenModule> Builder = std::move(this->Builder);
+
+    if (Diags.hasErrorOccurred())
+      return;
+
+    M->setTargetTriple(Ctx.getTargetInfo().getTriple().getTriple());
+    M->setDataLayout(Ctx.getTargetInfo().getTargetDescription());
+
+    // Finalize the Builder.
+    if (Builder)
+      Builder->Release();
+
+    // Ensure the target exists.
+    std::string Error;
+    auto Triple = Ctx.getTargetInfo().getTriple();
+    if (!llvm::TargetRegistry::lookupTarget(Triple.getTriple(), Error))
+      llvm::report_fatal_error(Error);
+
+    // Emit the serialized Clang AST into its own section.
+    assert(Buffer->IsComplete && "serialization did not complete");
+    auto &SerializedAST = Buffer->Data;
+    auto Size = SerializedAST.size();
+    auto Int8Ty = llvm::Type::getInt8Ty(*VMContext);
+    auto *Ty = llvm::ArrayType::get(Int8Ty, Size);
+    auto *Data = llvm::ConstantDataArray::
+      getString(*VMContext, StringRef(SerializedAST.data(), Size),
+                /*AddNull=*/false);
+    auto *ASTSym = new llvm::GlobalVariable(
+        *M, Ty, /*constant*/ true, llvm::GlobalVariable::InternalLinkage, Data,
+        "__clang_ast");
+    // The on-disk hashtable needs to be aligned.
+    ASTSym->setAlignment(8);
+
+    // Mach-O also needs a segment name.
+    if (Triple.isOSBinFormatMachO())
+      ASTSym->setSection("__CLANG,__clangast");
+    // COFF has an eight character length limit.
+    else if (Triple.isOSBinFormatCOFF())
+      ASTSym->setSection("clangast");
+    else
+      ASTSym->setSection("__clangast");
+
+    DEBUG({
+        // Print the IR for the PCH container to the debug output.
+        llvm::SmallString<0> Buffer;
+        llvm::raw_svector_ostream OS(Buffer);
+        clang::EmitBackendOutput(Diags, CodeGenOpts, TargetOpts, LangOpts,
+                                 Ctx.getTargetInfo().getTargetDescription(),
+                                 M.get(), BackendAction::Backend_EmitLL, &OS);
+        OS.flush();
+        llvm::dbgs()<<Buffer;
+      });
+
+    // Use the LLVM backend to emit the pch container.
+    clang::EmitBackendOutput(Diags, CodeGenOpts, TargetOpts, LangOpts,
+                             Ctx.getTargetInfo().getTargetDescription(),
+                             M.get(), BackendAction::Backend_EmitObj, OS);
+
+    // Make sure the pch container hits disk.
+    OS->flush();
+
+    // Free the memory for the temporary buffer.
+    llvm::SmallVector<char, 0> Empty;
+    SerializedAST = std::move(Empty);
+  }
+};
+}
+
+std::unique_ptr<ASTConsumer>
+ObjectFilePCHContainerOperations::CreatePCHContainerGenerator(
+    DiagnosticsEngine &Diags, const HeaderSearchOptions &HSO,
+    const PreprocessorOptions &PPO, const TargetOptions &TO,
+    const LangOptions &LO, const std::string &MainFileName,
+    const std::string &OutputFileName, llvm::raw_pwrite_stream *OS,
+    std::shared_ptr<PCHBuffer> Buffer) const {
+ return llvm::make_unique<ModuleContainerGenerator>
+   (Diags, HSO, PPO, TO, LO, MainFileName, OutputFileName, OS, Buffer);
+}
+
+void ObjectFilePCHContainerOperations::ExtractPCH(
+    llvm::MemoryBufferRef Buffer, llvm::BitstreamReader &StreamFile) const {
+  if (auto OF = llvm::object::ObjectFile::createObjectFile(Buffer)) {
+    auto *Obj = OF.get().get();
+    bool IsCOFF = isa<llvm::object::COFFObjectFile>(Obj);
+    // Find the clang AST section in the container.
+    for (auto &Section : OF->get()->sections()) {
+      StringRef Name;
+      Section.getName(Name);
+      if ((!IsCOFF && Name == "__clangast") ||
+          ( IsCOFF && Name ==   "clangast")) {
+        StringRef Buf;
+        Section.getContents(Buf);
+        StreamFile.init((const unsigned char *)Buf.begin(),
+                        (const unsigned char *)Buf.end());
+        return;
+      }
+    }
+  }
+
+  // As a fallback, treat the buffer as a raw AST.
+  StreamFile.init((const unsigned char *)Buffer.getBufferStart(),
+                  (const unsigned char *)Buffer.getBufferEnd());
+  return;
+}
diff --git a/lib/Frontend/PCHContainerOperations.cpp b/lib/Frontend/PCHContainerOperations.cpp
index fd3278b3b1..c749bb5c8d 100644
--- a/lib/Frontend/PCHContainerOperations.cpp
+++ b/lib/Frontend/PCHContainerOperations.cpp
@@ -18,8 +18,6 @@
 #include "clang/Lex/ModuleLoader.h"
 using namespace clang;
 
-PCHContainerOperations::~PCHContainerOperations() {}
-
 namespace {
 
 /// \brief A PCHContainerGenerator that writes out the PCH to a flat file.
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 3de1159e78..3ba13837d4 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3976,8 +3976,7 @@ bool ASTReader::readASTFileControlBlock(
 
   // Initialize the stream
   llvm::BitstreamReader StreamFile;
-  StreamFile.init((const unsigned char *)(*Buffer)->getBufferStart(),
-                  (const unsigned char *)(*Buffer)->getBufferEnd());
+  PCHContainerOps.ExtractPCH((*Buffer)->getMemBufferRef(), StreamFile);
   BitstreamCursor Stream(StreamFile);
 
   // Sniff for the signature.
diff --git a/test/ARCMT/check-with-pch.m b/test/ARCMT/check-with-pch.m
index 1a94dda796..5e843ff08d 100644
--- a/test/ARCMT/check-with-pch.m
+++ b/test/ARCMT/check-with-pch.m
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -x objective-c -triple x86_64-apple-darwin10 %S/Common.h -emit-pch -o %t.pch
 // RUN: %clang_cc1 -include-pch %t.pch -arcmt-check -verify -triple x86_64-apple-darwin10 -fblocks -Werror %s
+// REQUIRES: x86-registered-target
 
 // rdar://9601437
 @interface I9601437 {
diff --git a/test/ARCMT/migrate-on-pch-and-module.m b/test/ARCMT/migrate-on-pch-and-module.m
index 51babf6cf4..42e01ea91a 100644
--- a/test/ARCMT/migrate-on-pch-and-module.m
+++ b/test/ARCMT/migrate-on-pch-and-module.m
@@ -1,7 +1,7 @@
 // RUN: rm -rf %t-mcp
 // RUN: %clang_cc1 -objcmt-migrate-subscripting -emit-pch -o %t.pch %s -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -F %S/Inputs -fmodules -fimplicit-module-maps -fmodules-cache-path=%t-mcp -w
 // RUN: %clang_cc1 -objcmt-migrate-subscripting -include-pch %t.pch %s -migrate -o %t.remap -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -F %S/Inputs -fmodules -fimplicit-module-maps -fmodules-cache-path=%t-mcp
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/ARCMT/objcmt-with-pch.m b/test/ARCMT/objcmt-with-pch.m
index fac42c8512..61c87a2b00 100644
--- a/test/ARCMT/objcmt-with-pch.m
+++ b/test/ARCMT/objcmt-with-pch.m
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c %S/Common.h -emit-pch -o %t.pch
 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -objcmt-migrate-literals -objcmt-migrate-subscripting -mt-migrate-directory %t %s -x objective-c -include-pch %t.pch
diff --git a/test/ARCMT/objcmt-with-pch.m.result b/test/ARCMT/objcmt-with-pch.m.result
index 04eadc9d3f..7e2570cfc4 100644
--- a/test/ARCMT/objcmt-with-pch.m.result
+++ b/test/ARCMT/objcmt-with-pch.m.result
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c %S/Common.h -emit-pch -o %t.pch
 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -objcmt-migrate-literals -objcmt-migrate-subscripting -mt-migrate-directory %t %s -x objective-c -include-pch %t.pch
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 591a9272ae..526f129bab 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -58,7 +58,7 @@ set(CLANG_TEST_PARAMS
 if( NOT CLANG_BUILT_STANDALONE )
   list(APPEND CLANG_TEST_DEPS
     llvm-config
-    llc opt FileCheck count not llvm-symbolizer llvm-profdata
+    llc opt FileCheck count not llvm-symbolizer llvm-profdata llvm-objdump
     )
 endif()
 
diff --git a/test/CXX/expr/expr.unary/expr.unary.noexcept/cg.cpp b/test/CXX/expr/expr.unary/expr.unary.noexcept/cg.cpp
index 5c1029f1a3..e299705a4c 100644
--- a/test/CXX/expr/expr.unary/expr.unary.noexcept/cg.cpp
+++ b/test/CXX/expr/expr.unary/expr.unary.noexcept/cg.cpp
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -triple x86_64-apple-darwin10 -S -emit-llvm -std=c++11 -include %S/ser.h %s -o - | FileCheck %s
 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -triple x86_64-apple-darwin10 -emit-pch -o %t-ser.pch -std=c++11 -x c++ %S/ser.h
 // RUN: %clang_cc1 -fcxx-exceptions -fexceptions -triple x86_64-apple-darwin10 -S -emit-llvm -std=c++11 -include-pch %t-ser.pch %s -o - | FileCheck %s
diff --git a/test/CodeGen/atomic-ops.c b/test/CodeGen/atomic-ops.c
index 13ab5f117f..d8f7d28392 100644
--- a/test/CodeGen/atomic-ops.c
+++ b/test/CodeGen/atomic-ops.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 %s -emit-llvm -o - -ffreestanding -triple=i686-apple-darwin9 | FileCheck %s
+// REQUIRES: x86-registered-target
 
 // Also test serialization of atomic operations here, to avoid duplicating the
 // test.
diff --git a/test/CodeGen/big-atomic-ops.c b/test/CodeGen/big-atomic-ops.c
index 28b7b5d708..6a7a7001f9 100644
--- a/test/CodeGen/big-atomic-ops.c
+++ b/test/CodeGen/big-atomic-ops.c
@@ -1,5 +1,5 @@
 // RUN: %clang_cc1 %s -emit-llvm -o - -triple=x86_64-apple-macosx10.9.0 | FileCheck %s
-
+// REQUIRES: x86-registered-target
 // Also test serialization of atomic operations here, to avoid duplicating the
 // test.
 // RUN: %clang_cc1 %s -emit-pch -o %t -triple=x86_64-apple-macosx10.9.0
diff --git a/test/Frontend/ast-codegen.c b/test/Frontend/ast-codegen.c
index b85c5dcf50..4a3f8a3b79 100644
--- a/test/Frontend/ast-codegen.c
+++ b/test/Frontend/ast-codegen.c
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: %clang -target i386-unknown-unknown -emit-ast -o %t.ast %s
 // RUN: %clang -target i386-unknown-unknown -emit-llvm -S -o - %t.ast | FileCheck %s
 
diff --git a/test/Headers/xmmintrin.c b/test/Headers/xmmintrin.c
index 5bf5d4a566..39743c96b7 100644
--- a/test/Headers/xmmintrin.c
+++ b/test/Headers/xmmintrin.c
@@ -4,7 +4,7 @@
 // RUN: %clang_cc1 %s -ffreestanding -triple x86_64-apple-macosx10.9.0 -emit-llvm -o - \
 // RUN:     -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -isystem %S/Inputs/include \
 // RUN:     | FileCheck %s
-
+// REQUIRES: x86-registered-target
 #include <xmmintrin.h>
 
 // Make sure the last step of _mm_cvtps_pi16 converts <4 x i32> to <4 x i16> by
diff --git a/test/Index/TestClassForwardDecl.m b/test/Index/TestClassForwardDecl.m
index 9696a28066..284406f644 100644
--- a/test/Index/TestClassForwardDecl.m
+++ b/test/Index/TestClassForwardDecl.m
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -emit-pch -x objective-c %s -o %t.ast
 // RUN: c-index-test -test-file-scan %t.ast %s | FileCheck -check-prefix=CHECK-scan %s
 // RUN: c-index-test -test-load-tu %t.ast local | FileCheck -check-prefix=CHECK-load %s
-
+// REQUIRES: x86-registered-target
 // This test checks how the @class resolves as a cursor when the @interface is implicitly defined.
 // See TestClassDecl.m for the corresponding test case. (<rdar://problem/7383421>)
 
diff --git a/test/Index/c-index-api-loadTU-test.m b/test/Index/c-index-api-loadTU-test.m
index c75d5ac681..cbd742b240 100644
--- a/test/Index/c-index-api-loadTU-test.m
+++ b/test/Index/c-index-api-loadTU-test.m
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -emit-pch -x objective-c %s -o %t.ast
 // RUN: c-index-test -test-load-tu %t.ast all > %t 2>&1 && FileCheck --input-file=%t %s
-
+// REQUIRES: x86-registered-target
 @interface Foo 
 {
   __attribute__((iboutlet)) id myoutlet;
diff --git a/test/Index/c-index-getCursor-test.m b/test/Index/c-index-getCursor-test.m
index c1799026ce..f368f1f074 100644
--- a/test/Index/c-index-getCursor-test.m
+++ b/test/Index/c-index-getCursor-test.m
@@ -166,3 +166,4 @@ void f() {
 // CHECK: [57:1 - 57:10] FunctionDecl=f:57:6 (Definition)
 // CHECK: [58:4 - 58:8] VarDecl=my_var:58:8 (Definition)
 // CHECK: [58:8 - 58:15] macro expansion=CONCAT:55:9
+// REQUIRES: x86-registered-target
diff --git a/test/Index/pch-with-module.m b/test/Index/pch-with-module.m
index e839c811da..77262d5eb6 100644
--- a/test/Index/pch-with-module.m
+++ b/test/Index/pch-with-module.m
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t.cache
 // RUN: c-index-test -write-pch %t.h.pch %s -target x86_64-apple-macosx10.7 -fobjc-arc -fmodules-cache-path=%t.cache -fmodules -F %S/../Modules/Inputs -Xclang -fdisable-module-hash
 // RUN: %clang -fsyntax-only %s -target x86_64-apple-macosx10.7 -include %t.h -fobjc-arc -fmodules-cache-path=%t.cache -fmodules -F %S/../Modules/Inputs \
diff --git a/test/Index/print-mangled-name.cpp b/test/Index/print-mangled-name.cpp
index b7e79c3f6d..d4edc5ff39 100644
--- a/test/Index/print-mangled-name.cpp
+++ b/test/Index/print-mangled-name.cpp
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: %clang_cc1 -triple i686-pc-linux-gnu -emit-pch %s -o %t_linux.ast
 // RUN: c-index-test -test-print-mangle %t_linux.ast | FileCheck %s --check-prefix=ITANIUM
 
diff --git a/test/Modules/compiler_builtins_arm.m b/test/Modules/compiler_builtins_arm.m
index ccfceaa93f..23efa4608a 100644
--- a/test/Modules/compiler_builtins_arm.m
+++ b/test/Modules/compiler_builtins_arm.m
@@ -1,5 +1,5 @@
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -fsyntax-only -triple thumbv7-none-linux-gnueabihf -target-abi aapcs -target-cpu cortex-a8 -mfloat-abi hard -std=c99 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -D__need_wint_t %s -verify
 // expected-no-diagnostics
-
+// REQUIRES: arm-registered-target
 @import _Builtin_intrinsics.arm.neon;
diff --git a/test/Modules/dependency-gen-inferred-map.m b/test/Modules/dependency-gen-inferred-map.m
index cebfeea4f4..053a653d17 100644
--- a/test/Modules/dependency-gen-inferred-map.m
+++ b/test/Modules/dependency-gen-inferred-map.m
@@ -1,5 +1,6 @@
 // Test that the virtual file "__inferred_module.map" doesn't show up as dependency.
 
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t-mcp
 // RUN: %clang_cc1 -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -dependency-file %t.d -MT %s.o -F %S/Inputs -fsyntax-only -fmodules -fimplicit-module-maps -fmodules-cache-path=%t-mcp %s
 // RUN: FileCheck %s < %t.d
diff --git a/test/Modules/dependency-gen-pch.m b/test/Modules/dependency-gen-pch.m
index 697b42947a..4da054ff7d 100644
--- a/test/Modules/dependency-gen-pch.m
+++ b/test/Modules/dependency-gen-pch.m
@@ -1,5 +1,6 @@
 // RUN: rm -rf %t-mcp
 // RUN: mkdir -p %t-mcp
+// REQUIRES: x86-registered-target
 
 // RUN: %clang_cc1 -isysroot %S/Inputs/System -triple x86_64-apple-darwin10 -module-file-deps -dependency-file %t.d -MT %s.o -I %S/Inputs -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t-mcp -emit-pch -o %t.pch %s
 // RUN: FileCheck %s < %t.d
diff --git a/test/Modules/irgen.c b/test/Modules/irgen.c
index f09cc7b538..b2eb8b5ce0 100644
--- a/test/Modules/irgen.c
+++ b/test/Modules/irgen.c
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c -fmodules-cache-path=%t -emit-module -fmodule-name=irgen -triple x86_64-apple-darwin10 %S/Inputs/module.map
 // RUN: %clang_cc1 -fmodules -fimplicit-module-maps -x objective-c -fmodules-cache-path=%t -I %S/Inputs -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
diff --git a/test/Modules/merge-target-features.cpp b/test/Modules/merge-target-features.cpp
index 8b82c8a978..938715dd6b 100644
--- a/test/Modules/merge-target-features.cpp
+++ b/test/Modules/merge-target-features.cpp
@@ -1,6 +1,6 @@
 // RUN: rm -rf %t
 // RUN: cd %S
-//
+// REQUIRES: x86-registered-target
 // RUN: %clang_cc1 -fmodules -x c++ -fmodules-cache-path=%t \
 // RUN:   -iquote Inputs/merge-target-features \
 // RUN:   -fno-implicit-modules \
diff --git a/test/Modules/pch_container.m b/test/Modules/pch_container.m
new file mode 100644
index 0000000000..095245bdc3
--- /dev/null
+++ b/test/Modules/pch_container.m
@@ -0,0 +1,17 @@
+@import DependsOnModule;
+// REQUIRES: x86-registered-target
+// RUN: rm -rf %t-MachO %t-ELF %t-ELF_SPLIT %t-COFF
+// RUN: %clang_cc1 -triple=x86_64-apple-darwin -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t-MachO -F %S/Inputs %s
+// RUN: %clang_cc1 -triple=x86_64-linux-elf -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t-ELF -F %S/Inputs %s
+// RUN: %clang_cc1 -triple=x86_64-windows-coff -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t-COFF -F %S/Inputs %s
+
+// RUN: llvm-objdump -section-headers %t-MachO/DependsOnModule.pcm %t-ELF/DependsOnModule.pcm %t-COFF/DependsOnModule.pcm | FileCheck %s
+// CHECK: file format Mach-O 64-bit x86-64
+// CHECK: __clangast   {{[0-9a-f]+}} {{[0-9a-f]+}} DATA
+// CHECK: file format ELF64-x86-64
+// CHECK: __clangast   {{[0-9a-f]+}} {{[0-9a-f]+}} DATA
+// CHECK: file format COFF-x86-64
+// CHECK: clangast   {{[0-9a-f]+}} {{[0-9a-f]+}}
+
+
+// RUN: %clang_cc1 -split-dwarf-file t-split.dwo -triple=x86_64-linux-elf -fmodules -fimplicit-module-maps -fdisable-module-hash -fmodules-cache-path=%t-ELF_SPLIT -F %S/Inputs %s -o %t-split.o
diff --git a/test/Modules/self-import-header.m b/test/Modules/self-import-header.m
index 9b4bd5dee5..83e5c0104d 100644
--- a/test/Modules/self-import-header.m
+++ b/test/Modules/self-import-header.m
@@ -1,5 +1,5 @@
 // rdar://13840148
-
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t
 // RUN: %clang -fsyntax-only -isysroot %S/Inputs/System/usr/include -fmodules -fmodules-cache-path=%t \
 // RUN:    -target x86_64-darwin \
diff --git a/test/Modules/templates-2.mm b/test/Modules/templates-2.mm
index 78d203ab42..9385119679 100644
--- a/test/Modules/templates-2.mm
+++ b/test/Modules/templates-2.mm
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -verify %s -Wno-objc-root-class
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -emit-llvm %s -o - -Wno-objc-root-class | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 @import templates_top;
 
 struct TestEmitDefaultedSpecialMembers {
diff --git a/test/Modules/templates.mm b/test/Modules/templates.mm
index 503f4bb459..4c6e4723a3 100644
--- a/test/Modules/templates.mm
+++ b/test/Modules/templates.mm
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -verify %s -Wno-objc-root-class
 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -x objective-c++ -fmodules -fimplicit-module-maps -fmodules-cache-path=%t -I %S/Inputs -emit-llvm %s -o - -Wno-objc-root-class | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 @import templates_left;
 
 void testInlineRedeclEarly() {
diff --git a/test/Modules/va_list.m b/test/Modules/va_list.m
index d13b39b48f..aa140fb45c 100644
--- a/test/Modules/va_list.m
+++ b/test/Modules/va_list.m
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: rm -rf %t
 // RUN: %clang_cc1 -triple x86_64-apple-macosx10 -fmodules -fimplicit-module-maps -fmodules-cache-path=%t \
 // RUN:     -fmodules-ignore-macro=PREFIX -DPREFIX -I %S/Inputs/va_list \
diff --git a/test/OpenMP/atomic_capture_codegen.cpp b/test/OpenMP/atomic_capture_codegen.cpp
index 12f2f3ac4e..6dd9f7ab2a 100644
--- a/test/OpenMP/atomic_capture_codegen.cpp
+++ b/test/OpenMP/atomic_capture_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/atomic_read_codegen.c b/test/OpenMP/atomic_read_codegen.c
index efeec0302d..fc47c82d89 100644
--- a/test/OpenMP/atomic_read_codegen.c
+++ b/test/OpenMP/atomic_read_codegen.c
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/atomic_update_codegen.cpp b/test/OpenMP/atomic_update_codegen.cpp
index b619a07200..df8b538ee1 100644
--- a/test/OpenMP/atomic_update_codegen.cpp
+++ b/test/OpenMP/atomic_update_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/atomic_write_codegen.c b/test/OpenMP/atomic_write_codegen.c
index 0016dc86c3..1ee26b0782 100644
--- a/test/OpenMP/atomic_write_codegen.c
+++ b/test/OpenMP/atomic_write_codegen.c
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/barrier_codegen.cpp b/test/OpenMP/barrier_codegen.cpp
index 9e393ac833..398b96f44e 100644
--- a/test/OpenMP/barrier_codegen.cpp
+++ b/test/OpenMP/barrier_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/cancel_codegen.cpp b/test/OpenMP/cancel_codegen.cpp
index 6feb5df9dd..4bd85a22b1 100644
--- a/test/OpenMP/cancel_codegen.cpp
+++ b/test/OpenMP/cancel_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin13.4.0 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-apple-darwin13.4.0 -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/cancellation_point_codegen.cpp b/test/OpenMP/cancellation_point_codegen.cpp
index 47903c1f32..453393082c 100644
--- a/test/OpenMP/cancellation_point_codegen.cpp
+++ b/test/OpenMP/cancellation_point_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin13.4.0 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-apple-darwin13.4.0 -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/critical_codegen.cpp b/test/OpenMP/critical_codegen.cpp
index 26f5edb380..5cf3446d9f 100644
--- a/test/OpenMP/critical_codegen.cpp
+++ b/test/OpenMP/critical_codegen.cpp
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/flush_codegen.cpp b/test/OpenMP/flush_codegen.cpp
index 4ebdf522c2..cd411cea45 100644
--- a/test/OpenMP/flush_codegen.cpp
+++ b/test/OpenMP/flush_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/for_codegen.cpp b/test/OpenMP/for_codegen.cpp
index 30cf484f87..082a0d4d88 100644
--- a/test/OpenMP/for_codegen.cpp
+++ b/test/OpenMP/for_codegen.cpp
@@ -4,9 +4,9 @@
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
 //
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
-
 // CHECK: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
 // CHECK-DAG: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8*
 // CHECK-DAG: [[I:@.+]] = global i8 1,
diff --git a/test/OpenMP/for_firstprivate_codegen.cpp b/test/OpenMP/for_firstprivate_codegen.cpp
index 1ef38661a4..9be11b9742 100644
--- a/test/OpenMP/for_firstprivate_codegen.cpp
+++ b/test/OpenMP/for_firstprivate_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/for_lastprivate_codegen.cpp b/test/OpenMP/for_lastprivate_codegen.cpp
index 90c40dde2e..7518740207 100644
--- a/test/OpenMP/for_lastprivate_codegen.cpp
+++ b/test/OpenMP/for_lastprivate_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/for_private_codegen.cpp b/test/OpenMP/for_private_codegen.cpp
index 8172912d04..2624dd3b7c 100644
--- a/test/OpenMP/for_private_codegen.cpp
+++ b/test/OpenMP/for_private_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/for_reduction_codegen.cpp b/test/OpenMP/for_reduction_codegen.cpp
index 6763686dd0..1df530091b 100644
--- a/test/OpenMP/for_reduction_codegen.cpp
+++ b/test/OpenMP/for_reduction_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/for_simd_codegen.cpp b/test/OpenMP/for_simd_codegen.cpp
index 9361192016..a564401386 100644
--- a/test/OpenMP/for_simd_codegen.cpp
+++ b/test/OpenMP/for_simd_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
-//
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/master_codegen.cpp b/test/OpenMP/master_codegen.cpp
index e6ea21a5cb..c364c5278b 100644
--- a/test/OpenMP/master_codegen.cpp
+++ b/test/OpenMP/master_codegen.cpp
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/ordered_codegen.cpp b/test/OpenMP/ordered_codegen.cpp
index 768462387a..ff8a8047ca 100644
--- a/test/OpenMP/ordered_codegen.cpp
+++ b/test/OpenMP/ordered_codegen.cpp
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
-//
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/parallel_codegen.cpp b/test/OpenMP/parallel_codegen.cpp
index 907d135135..6486e44a9d 100644
--- a/test/OpenMP/parallel_codegen.cpp
+++ b/test/OpenMP/parallel_codegen.cpp
@@ -2,9 +2,9 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix=CHECK-DEBUG %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
-
 // CHECK-DAG: %ident_t = type { i32, i32, i32, i32, i8* }
 // CHECK-DAG: %struct.anon = type { i32* }
 // CHECK-DAG: %struct.anon.0 = type { i8*** }
diff --git a/test/OpenMP/parallel_for_codegen.cpp b/test/OpenMP/parallel_for_codegen.cpp
index 2a387d9dc3..9fda8404c6 100644
--- a/test/OpenMP/parallel_for_codegen.cpp
+++ b/test/OpenMP/parallel_for_codegen.cpp
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -O1 -fopenmp -emit-llvm %s -o - | FileCheck %s --check-prefix=CLEANUP
-//
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/parallel_for_simd_codegen.cpp b/test/OpenMP/parallel_for_simd_codegen.cpp
index adde424201..eb1e493230 100644
--- a/test/OpenMP/parallel_for_simd_codegen.cpp
+++ b/test/OpenMP/parallel_for_simd_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
-//
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/parallel_private_codegen.cpp b/test/OpenMP/parallel_private_codegen.cpp
index 55f25c67f0..21d9a72a8b 100644
--- a/test/OpenMP/parallel_private_codegen.cpp
+++ b/test/OpenMP/parallel_private_codegen.cpp
@@ -4,9 +4,9 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
-
 template <class T>
 struct S {
   T f;
diff --git a/test/OpenMP/parallel_reduction_codegen.cpp b/test/OpenMP/parallel_reduction_codegen.cpp
index 9ce16e9192..2ea08f6521 100644
--- a/test/OpenMP/parallel_reduction_codegen.cpp
+++ b/test/OpenMP/parallel_reduction_codegen.cpp
@@ -3,6 +3,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/parallel_sections_codegen.cpp b/test/OpenMP/parallel_sections_codegen.cpp
index ba1bf6cc56..2e9e1f95ae 100644
--- a/test/OpenMP/parallel_sections_codegen.cpp
+++ b/test/OpenMP/parallel_sections_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 // CHECK: [[IMPLICIT_BARRIER_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 66, i32 0, i32 0, i8*
diff --git a/test/OpenMP/sections_codegen.cpp b/test/OpenMP/sections_codegen.cpp
index d25230a799..2c257e83ae 100644
--- a/test/OpenMP/sections_codegen.cpp
+++ b/test/OpenMP/sections_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -triple x86_64-unknown-unknown -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -include-pch %t -fsyntax-only -verify %s -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 // CHECK: [[IMPLICIT_BARRIER_SECTIONS_LOC:@.+]] = private unnamed_addr constant %{{.+}} { i32 0, i32 194, i32 0, i32 0, i8*
diff --git a/test/OpenMP/sections_firstprivate_codegen.cpp b/test/OpenMP/sections_firstprivate_codegen.cpp
index 4ec16ba02d..46456e620b 100644
--- a/test/OpenMP/sections_firstprivate_codegen.cpp
+++ b/test/OpenMP/sections_firstprivate_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/sections_lastprivate_codegen.cpp b/test/OpenMP/sections_lastprivate_codegen.cpp
index b57f0b05c0..ed5050a57d 100644
--- a/test/OpenMP/sections_lastprivate_codegen.cpp
+++ b/test/OpenMP/sections_lastprivate_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/sections_private_codegen.cpp b/test/OpenMP/sections_private_codegen.cpp
index 90331cbd43..5cb1469c62 100644
--- a/test/OpenMP/sections_private_codegen.cpp
+++ b/test/OpenMP/sections_private_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/sections_reduction_codegen.cpp b/test/OpenMP/sections_reduction_codegen.cpp
index a50f04983d..c2b58486bc 100644
--- a/test/OpenMP/sections_reduction_codegen.cpp
+++ b/test/OpenMP/sections_reduction_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/simd_codegen.cpp b/test/OpenMP/simd_codegen.cpp
index ae649d8359..e67ad5d4c7 100644
--- a/test/OpenMP/simd_codegen.cpp
+++ b/test/OpenMP/simd_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -g -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
-//
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/single_codegen.cpp b/test/OpenMP/single_codegen.cpp
index d81739ed91..db29fd429f 100644
--- a/test/OpenMP/single_codegen.cpp
+++ b/test/OpenMP/single_codegen.cpp
@@ -4,7 +4,7 @@
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=ARRAY %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef ARRAY
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/single_firstprivate_codegen.cpp b/test/OpenMP/single_firstprivate_codegen.cpp
index 059108b376..d8d2d26024 100644
--- a/test/OpenMP/single_firstprivate_codegen.cpp
+++ b/test/OpenMP/single_firstprivate_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/single_private_codegen.cpp b/test/OpenMP/single_private_codegen.cpp
index a7fb2ed549..e947ca62f4 100644
--- a/test/OpenMP/single_private_codegen.cpp
+++ b/test/OpenMP/single_private_codegen.cpp
@@ -4,6 +4,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DLAMBDA -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=LAMBDA %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple %itanium_abi_triple -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // expected-no-diagnostics
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/task_codegen.cpp b/test/OpenMP/task_codegen.cpp
index cce0a13bc2..139ac505a9 100644
--- a/test/OpenMP/task_codegen.cpp
+++ b/test/OpenMP/task_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/task_firstprivate_codegen.cpp b/test/OpenMP/task_firstprivate_codegen.cpp
index e1358d9ecc..3966643e38 100644
--- a/test/OpenMP/task_firstprivate_codegen.cpp
+++ b/test/OpenMP/task_firstprivate_codegen.cpp
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=ARRAY %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 // It doesn't pass on win32.
 // REQUIRES: shell
 #ifndef ARRAY
diff --git a/test/OpenMP/task_if_codegen.cpp b/test/OpenMP/task_if_codegen.cpp
index be9b47b79a..d08c27f5a4 100644
--- a/test/OpenMP/task_if_codegen.cpp
+++ b/test/OpenMP/task_if_codegen.cpp
@@ -1,6 +1,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck %s
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck --check-prefix=CHECK %s
+// REQUIRES: x86-registered-target
 // expected-no-diagnostics
 #ifndef HEADER
 #define HEADER
diff --git a/test/OpenMP/task_private_codegen.cpp b/test/OpenMP/task_private_codegen.cpp
index 463913f926..1f6aa43716 100644
--- a/test/OpenMP/task_private_codegen.cpp
+++ b/test/OpenMP/task_private_codegen.cpp
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -fblocks -DBLOCKS -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=BLOCKS %s
 // RUN: %clang_cc1 -verify -fopenmp -x c++ -std=c++11 -DARRAY -triple x86_64-apple-darwin10 -emit-llvm %s -o - | FileCheck -check-prefix=ARRAY %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 // It doesn't pass on win32. Investigating.
 // REQUIRES: shell
 
diff --git a/test/OpenMP/taskgroup_codegen.cpp b/test/OpenMP/taskgroup_codegen.cpp
index eb45f3187f..c04e4c723b 100644
--- a/test/OpenMP/taskgroup_codegen.cpp
+++ b/test/OpenMP/taskgroup_codegen.cpp
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // RUN: %clang_cc1 -verify -triple x86_64-apple-darwin10 -fopenmp -fexceptions -fcxx-exceptions -gline-tables-only -x c++ -emit-llvm %s -o - | FileCheck %s --check-prefix=TERM_DEBUG
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/taskwait_codegen.cpp b/test/OpenMP/taskwait_codegen.cpp
index 85f20e8056..7521709f01 100644
--- a/test/OpenMP/taskwait_codegen.cpp
+++ b/test/OpenMP/taskwait_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-apple-darwin10 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/taskyield_codegen.cpp b/test/OpenMP/taskyield_codegen.cpp
index 6815a0348e..759709c33d 100644
--- a/test/OpenMP/taskyield_codegen.cpp
+++ b/test/OpenMP/taskyield_codegen.cpp
@@ -2,7 +2,7 @@
 // RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple x86_64-unknown-unknown -emit-pch -o %t %s
 // RUN: %clang_cc1 -fopenmp -x c++ -triple x86_64-unknown-unknown -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
 // expected-no-diagnostics
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER
 #define HEADER
 
diff --git a/test/OpenMP/threadprivate_codegen.cpp b/test/OpenMP/threadprivate_codegen.cpp
index eea49443f8..2078094b78 100644
--- a/test/OpenMP/threadprivate_codegen.cpp
+++ b/test/OpenMP/threadprivate_codegen.cpp
@@ -18,7 +18,7 @@
 // CHECK-DEBUG-DAG: [[S4:%.+]] = type { [[INT]], [[INT]] }
 // CHECK-DEBUG-DAG: [[S5:%.+]] = type { [[INT]], [[INT]], [[INT]] }
 // CHECK-DEBUG-DAG: [[SMAIN:%.+]] = type { [[INT]], double, double }
-
+// REQUIRES: x86-registered-target
 struct S1 {
   int a;
   S1()
diff --git a/test/PCH/__va_list_tag.c b/test/PCH/__va_list_tag.c
index efe5c1b366..81cda8963b 100644
--- a/test/PCH/__va_list_tag.c
+++ b/test/PCH/__va_list_tag.c
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // PR13189
 // rdar://problem/11741429
 // Test this without pch.
diff --git a/test/PCH/arc.m b/test/PCH/arc.m
index 466b317055..63c77778f4 100644
--- a/test/PCH/arc.m
+++ b/test/PCH/arc.m
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // Test this without pch.
 // RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin11 -fobjc-arc -include %S/Inputs/arc.h -fsyntax-only -emit-llvm-only %s
 
diff --git a/test/PCH/asm.c b/test/PCH/asm.c
index 160829b7a6..cabd03cac9 100644
--- a/test/PCH/asm.c
+++ b/test/PCH/asm.c
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // Test this without pch.
 // RUN: %clang_cc1 -triple i386-unknown-unknown -include %S/asm.h -fsyntax-only -verify %s
 
diff --git a/test/PCH/chain-external-defs.c b/test/PCH/chain-external-defs.c
index 7422294428..f7c7233389 100644
--- a/test/PCH/chain-external-defs.c
+++ b/test/PCH/chain-external-defs.c
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // Test with pch.
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -emit-pch -o %t1.pch %S/Inputs/chain-external-defs1.h
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -emit-pch -o %t2.pch %S/Inputs/chain-external-defs2.h -include-pch %t1.pch
diff --git a/test/PCH/chain-trivial.c b/test/PCH/chain-trivial.c
index a0f5827fb9..4cc7890de0 100644
--- a/test/PCH/chain-trivial.c
+++ b/test/PCH/chain-trivial.c
@@ -1,2 +1,3 @@
+// REQUIRES: x86-registered-target
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-pch -o %t1 %S/Inputs/chain-trivial1.h
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-pch -o %t2 -include-pch %t1 %S/Inputs/chain-trivial2.h
diff --git a/test/PCH/cxx-ms-function-specialization-class-scope.cpp b/test/PCH/cxx-ms-function-specialization-class-scope.cpp
index afbb80b737..f97a8d183c 100644
--- a/test/PCH/cxx-ms-function-specialization-class-scope.cpp
+++ b/test/PCH/cxx-ms-function-specialization-class-scope.cpp
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // RUN: %clang_cc1 -fms-extensions -triple i386-unknown-unknown  -x c++-header -emit-pch -o %t %S/cxx-ms-function-specialization-class-scope.h
 // RUN: %clang_cc1 -fms-extensions -triple i386-unknown-unknown -include-pch %t -fsyntax-only -verify %s 
 // expected-no-diagnostics
diff --git a/test/PCH/external-defs.c b/test/PCH/external-defs.c
index 5c2582a9c3..5e906b246b 100644
--- a/test/PCH/external-defs.c
+++ b/test/PCH/external-defs.c
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // Test with pch.
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -emit-pch -o %t.pch %S/external-defs.h
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -include-pch %t.pch -emit-llvm -o %t %s
diff --git a/test/PCH/floating-literal.c b/test/PCH/floating-literal.c
index 738e45a415..b5ff6fe84b 100644
--- a/test/PCH/floating-literal.c
+++ b/test/PCH/floating-literal.c
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -triple mips64-none-linux-gnu -emit-pch -o %t %s
+// REQUIRES: mips-registered-target
 // RUN: %clang_cc1 -x ast -ast-print %t | FileCheck %s
 
 // Make sure the semantics of FloatingLiterals are stored correctly in
diff --git a/test/PCH/local_static.cpp b/test/PCH/local_static.cpp
index 1085d81d31..b4131bffde 100644
--- a/test/PCH/local_static.cpp
+++ b/test/PCH/local_static.cpp
@@ -1,3 +1,4 @@
+// REQUIRES: x86-registered-target
 // Test this without PCH.
 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.9.0 -include %S/local_static.h -fsyntax-only %s -emit-llvm -o %t.no_pch.ll %s
 // RUN: FileCheck --input-file %t.no_pch.ll %s
diff --git a/test/PCH/pchpch.c b/test/PCH/pchpch.c
index d68a6ad4ae..5ea661abd5 100644
--- a/test/PCH/pchpch.c
+++ b/test/PCH/pchpch.c
@@ -1,6 +1,7 @@
 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-pch -o %t1 %S/pchpch1.h
 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-pch -o %t2 %S/pchpch2.h -include-pch %t1
 // RUN: %clang_cc1 -triple i386-unknown-unknown -fsyntax-only %s -include-pch %t2
+// REQUIRES: x86-registered-target
 
 // The purpose of this test is to make sure that a PCH created while including
 // an existing PCH can be loaded.
diff --git a/test/PCH/reloc.c b/test/PCH/reloc.c
index 8dabb8b03d..bf70ab6f69 100644
--- a/test/PCH/reloc.c
+++ b/test/PCH/reloc.c
@@ -3,6 +3,7 @@
 // RUN: %clang -target x86_64-apple-darwin10 -fsyntax-only \
 // RUN:   -include-pch %t -isysroot %S/libroot %s -Xclang -verify
 // RUN: not %clang -target x86_64-apple-darwin10 -include-pch %t %s
+// REQUIRES: x86-registered-target
 
 #include <reloc.h>
 
diff --git a/test/PCH/subscripting-literals.m b/test/PCH/subscripting-literals.m
index 725e5802a5..52491dbc20 100644
--- a/test/PCH/subscripting-literals.m
+++ b/test/PCH/subscripting-literals.m
@@ -1,6 +1,7 @@
 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o %t.nopch.ll %s
 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-pch -o %t.pch %s
 // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o %t.pch.ll %s -include-pch %t.pch
+// REQUIRES: x86-registered-target
 // RUN: diff %t.nopch.ll %t.pch.ll
 
 #ifndef HEADER
diff --git a/test/PCH/target-options.c b/test/PCH/target-options.c
index 2b85efe07a..06a09502f9 100644
--- a/test/PCH/target-options.c
+++ b/test/PCH/target-options.c
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -triple=x86_64-apple-darwin9 -emit-pch -o %t.pch %S/target-options.h
 // RUN: not %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -include-pch %t.pch %s -emit-llvm -o - > %t.err 2>&1
 // RUN: FileCheck %s < %t.err
+// REQUIRES: x86-registered-target
 
 // CHECK: for the target
diff --git a/test/PCH/tentative-defs.c b/test/PCH/tentative-defs.c
index 42882307dc..7163316a93 100644
--- a/test/PCH/tentative-defs.c
+++ b/test/PCH/tentative-defs.c
@@ -1,6 +1,7 @@
 // Test with pch.
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -emit-pch -o %t.pch %S/tentative-defs.h
 // RUN: %clang_cc1 -triple x86_64-apple-darwin9 -include-pch %t.pch -verify -emit-llvm -o %t %s
+// REQUIRES: x86-registered-target
 
 // RUN: grep "@variable = common global i32 0" %t | count 1
 // RUN: grep "@incomplete_array = common global .*1 x i32" %t | count 1
diff --git a/test/PCH/thread-local.cpp b/test/PCH/thread-local.cpp
index f65c12af09..ab37f7b3f7 100644
--- a/test/PCH/thread-local.cpp
+++ b/test/PCH/thread-local.cpp
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -triple x86_64-linux-gnu -emit-pch %s -o %t
 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -triple x86_64-linux-gnu -include-pch %t -verify %s
-
+// REQUIRES: x86-registered-target
 #ifndef HEADER_INCLUDED
 
 #define HEADER_INCLUDED
diff --git a/test/PCH/va_arg.c b/test/PCH/va_arg.c
index 1fb2a838e4..dba9eea8de 100644
--- a/test/PCH/va_arg.c
+++ b/test/PCH/va_arg.c
@@ -1,5 +1,6 @@
 // Test this without pch.
 // RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -include %S/va_arg.h %s -emit-llvm -o -
+// REQUIRES: x86-registered-target
 
 // Test with pch.
 // RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -emit-pch -o %t %S/va_arg.h
diff --git a/test/PCH/va_arg.cpp b/test/PCH/va_arg.cpp
index 7c8dc6b316..0b3c3b107c 100644
--- a/test/PCH/va_arg.cpp
+++ b/test/PCH/va_arg.cpp
@@ -1,5 +1,6 @@
 // Test this without pch.
 // RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -include %S/Inputs/va_arg.h %s -emit-llvm -o -
+// REQUIRES: x86-registered-target
 
 // Test with pch.
 // RUN: %clang_cc1 -triple=x86_64-unknown-freebsd7.0 -emit-pch -x c++-header -o %t %S/Inputs/va_arg.h
diff --git a/test/Sema/x86_64-linux-android.c b/test/Sema/x86_64-linux-android.c
index e09d50ca07..252570579f 100644
--- a/test/Sema/x86_64-linux-android.c
+++ b/test/Sema/x86_64-linux-android.c
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -triple x86_64-linux-android -emit-pch -o %t %s
 // RUN: %clang_cc1 -x ast -ast-print %t | FileCheck %s
-
+// REQUIRES: x86-registered-target
 extern int a1_0[sizeof(long double) == 16 ? 1 : -1];
 extern int a1_i[__alignof(long double) == 16 ? 1 : -1];
 
diff --git a/tools/clang-check/CMakeLists.txt b/tools/clang-check/CMakeLists.txt
index 8b9cd888c8..7253a42ab8 100644
--- a/tools/clang-check/CMakeLists.txt
+++ b/tools/clang-check/CMakeLists.txt
@@ -1,8 +1,24 @@
-set(LLVM_LINK_COMPONENTS
+set( LLVM_LINK_COMPONENTS
+  ${LLVM_TARGETS_TO_BUILD}
+  Analysis
+  CodeGen
+  Core
+  IPA
+  IPO
+  InstCombine
+  Instrumentation
+  MC
+  MCParser
+  ObjCARCOpts
   Option
+  ScalarOpts
   Support
+  TransformUtils
+  Vectorize
   )
 
+set(LLVM_NO_DEAD_STRIP 1)
+
 add_clang_executable(clang-check
   ClangCheck.cpp
   )
@@ -11,6 +27,7 @@ target_link_libraries(clang-check
   clangAST
   clangBasic
   clangDriver
+  clangCodeGen
   clangFrontend
   clangRewriteFrontend
   clangStaticAnalyzerFrontend
diff --git a/tools/clang-check/ClangCheck.cpp b/tools/clang-check/ClangCheck.cpp
index 7992026a7c..2682e0fcd8 100644
--- a/tools/clang-check/ClangCheck.cpp
+++ b/tools/clang-check/ClangCheck.cpp
@@ -17,6 +17,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/AST/ASTConsumer.h"
+#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
 #include "clang/Driver/Options.h"
 #include "clang/Frontend/ASTConsumers.h"
 #include "clang/Frontend/CompilerInstance.h"
@@ -29,6 +30,7 @@
 #include "llvm/Option/OptTable.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/TargetSelect.h"
 
 using namespace clang::driver;
 using namespace clang::tooling;
@@ -149,9 +151,17 @@ public:
 
 int main(int argc, const char **argv) {
   llvm::sys::PrintStackTraceOnErrorSignal();
+
+  // Initialize targets for clang module support.
+  llvm::InitializeAllTargets();
+  llvm::InitializeAllTargetMCs();
+  llvm::InitializeAllAsmPrinters();
+  llvm::InitializeAllAsmParsers();
+
   CommonOptionsParser OptionsParser(argc, argv, ClangCheckCategory);
   ClangTool Tool(OptionsParser.getCompilations(),
-                 OptionsParser.getSourcePathList());
+                 OptionsParser.getSourcePathList(),
+                 std::make_shared<clang::ObjectFilePCHContainerOperations>());
 
   // Clear adjusters because -fsyntax-only is inserted by the default chain.
   Tool.clearArgumentsAdjusters();
diff --git a/tools/clang-check/Makefile b/tools/clang-check/Makefile
index e98a131de5..da010ab1f3 100644
--- a/tools/clang-check/Makefile
+++ b/tools/clang-check/Makefile
@@ -15,11 +15,14 @@ TOOLNAME = clang-check
 TOOL_NO_EXPORTS = 1
 
 include $(CLANG_LEVEL)/../../Makefile.config
-LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader support mc option
-USEDLIBS = clangFrontend.a clangSerialization.a clangDriver.a \
+LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader ipo objcarcopts \
+                   instrumentation bitwriter support mc option
+USEDLIBS = clangFrontend.a clangCodeGen.a clangIndex.a \
+           clangSerialization.a clangDriver.a \
            clangTooling.a clangParse.a clangSema.a \
            clangStaticAnalyzerFrontend.a clangStaticAnalyzerCheckers.a \
            clangStaticAnalyzerCore.a clangAnalysis.a clangRewriteFrontend.a \
-           clangRewrite.a clangEdit.a clangAST.a clangLex.a clangBasic.a
+           clangRewrite.a clangEdit.a clangAST.a clangLex.a \
+           clangBasic.a
 
 include $(CLANG_LEVEL)/Makefile
diff --git a/tools/driver/cc1_main.cpp b/tools/driver/cc1_main.cpp
index 972bf5bf3e..65f845ddc4 100644
--- a/tools/driver/cc1_main.cpp
+++ b/tools/driver/cc1_main.cpp
@@ -14,7 +14,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Option/Arg.h"
-#include "clang/Frontend/PCHContainerOperations.h"
+#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
 #include "clang/Driver/DriverDiagnostic.h"
 #include "clang/Driver/Options.h"
 #include "clang/Frontend/CompilerInstance.h"
@@ -65,8 +65,8 @@ void initializePollyPasses(llvm::PassRegistry &Registry);
 #endif
 
 int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
-  std::unique_ptr<CompilerInstance> Clang(
-      new CompilerInstance(std::make_shared<RawPCHContainerOperations>()));
+  std::unique_ptr<CompilerInstance> Clang(new CompilerInstance(
+      std::make_shared<ObjectFilePCHContainerOperations>()));
   IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
 
   // Initialize targets first, so that --version shows registered targets.
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index df0ed2ad65..49b9da2386 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -29,6 +29,7 @@
 #include "clang/Basic/DiagnosticIDs.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Basic/Version.h"
+#include "clang/CodeGen/ObjectFilePCHContainerOperations.h"
 #include "clang/Frontend/ASTUnit.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/FrontendDiagnostic.h"
@@ -53,6 +54,7 @@
 #include "llvm/Support/Program.h"
 #include "llvm/Support/SaveAndRestore.h"
 #include "llvm/Support/Signals.h"
+#include "llvm/Support/TargetSelect.h"
 #include "llvm/Support/Threading.h"
 #include "llvm/Support/Timer.h"
 #include "llvm/Support/raw_ostream.h"
@@ -2876,7 +2878,14 @@ CXIndex clang_createIndex(int excludeDeclarationsFromPCH,
   // registered once.
   (void)*RegisterFatalErrorHandlerOnce;
 
-  CIndexer *CIdxr = new CIndexer();
+  // Initialize targets for clang module support.
+  llvm::InitializeAllTargets();
+  llvm::InitializeAllTargetMCs();
+  llvm::InitializeAllAsmPrinters();
+  llvm::InitializeAllAsmParsers();
+
+  CIndexer *CIdxr =
+      new CIndexer(std::make_shared<ObjectFilePCHContainerOperations>());
   if (excludeDeclarationsFromPCH)
     CIdxr->setOnlyLocalDecls();
   if (displayDiagnostics)
diff --git a/tools/libclang/CMakeLists.txt b/tools/libclang/CMakeLists.txt
index 26f88a97c5..407a5c4d4e 100644
--- a/tools/libclang/CMakeLists.txt
+++ b/tools/libclang/CMakeLists.txt
@@ -37,9 +37,14 @@ set(SOURCES
   ../../include/clang-c/Index.h
   )
 
+set( LLVM_LINK_COMPONENTS
+  ${LLVM_TARGETS_TO_BUILD}
+  )
+
 set(LIBS
   clangAST
   clangBasic
+  clangCodeGen
   clangFrontend
   clangIndex
   clangLex
diff --git a/tools/libclang/Makefile b/tools/libclang/Makefile
index 97f663cde4..84914e0f46 100644
--- a/tools/libclang/Makefile
+++ b/tools/libclang/Makefile
@@ -16,19 +16,21 @@ LINK_LIBS_IN_SHARED = 1
 SHARED_LIBRARY = 1
 
 include $(CLANG_LEVEL)/../../Makefile.config
-LINK_COMPONENTS := AsmParser BitReader Core MC MCParser Option Support
+LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser bitreader bitwriter core \
+                   instrumentation ipo mc mcparser objcarcopts option support \
+                   object
 USEDLIBS = clangIndex.a clangARCMigrate.a \
 	   clangRewriteFrontend.a \
 	   clangFormat.a \
 	   clangTooling.a clangToolingCore.a \
-	   clangFrontend.a clangDriver.a \
+	   clangFrontend.a clangCodeGen.a clangDriver.a \
 	   clangSerialization.a \
 	   clangParse.a clangSema.a \
 	   clangStaticAnalyzerCheckers.a clangStaticAnalyzerCore.a \
 	   clangRewrite.a \
 	   clangAnalysis.a clangEdit.a \
 	   clangASTMatchers.a \
-	   clangAST.a clangLex.a clangBasic.a \
+	   clangAST.a clangLex.a clangBasic.a
 
 include $(CLANG_LEVEL)/Makefile