Create a proper target machine for PNaCl.

lib/Target/PNaCl/TargetInfo/PNaClTargetInfo.cpp

Index: lib/Target/PNaCl/TargetInfo/PNaClTargetInfo.cpp
diff --git a/lib/Target/JSBackend/MCTargetDesc/JSBackendMCTargetDesc.h b/lib/Target/PNaCl/TargetInfo/PNaClTargetInfo.cpp
similarity index 53%
copy from lib/Target/JSBackend/MCTargetDesc/JSBackendMCTargetDesc.h
copy to lib/Target/PNaCl/TargetInfo/PNaClTargetInfo.cpp
index c98a55df83ba58cfc76b4ef4b5391c3df38d00b2..c78a830ec38589ab34bbbff9343034b018c3ea25 100644
--- a/lib/Target/JSBackend/MCTargetDesc/JSBackendMCTargetDesc.h
+++ b/lib/Target/PNaCl/TargetInfo/PNaClTargetInfo.cpp
@@ -1,4 +1,4 @@
-//===- JSBackendMCTargetDesc.h - JS Backend Target Descriptions -*- C++ -*-===//
+//===-- llvm/Target/PNaCl/PNaClTargetMachine.h - Target Information -*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,19 +7,19 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file provides asm.js specific target descriptions.
+// This file defines the TargetMachine class specific to PNaCl.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef JSBACKENDMCTARGETDESC_H
-#define JSBACKENDMCTARGETDESC_H
-
 #include "llvm/Support/TargetRegistry.h"
 
 namespace llvm {
+  Target PNaClLe32_Target;
+}
 
-extern Target TheJSBackendTarget;
-
-} // End llvm namespace
+using namespace llvm;
 
-#endif
+extern "C" void LLVMInitializePNaClTargetInfo() {
+  RegisterTarget<Triple::le32, false>
+    X(PNaClLe32_Target, "le32", "The PNaCl/Emscripten target.");
+}