1 files changed, 62 insertions, 0 deletions
diff --git a/llvm/utils/TableGen/NeonEmitter.cpp b/llvm/utils/TableGen/NeonEmitter.cpp
new file mode 100644
index 00000000000..dcbcf759626
--- /dev/null
+++ b/llvm/utils/TableGen/NeonEmitter.cpp
@@ -0,0 +1,62 @@
+//===- NeonEmitter.cpp - Generate arm_neon.h for use with clang -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tablegen backend is responsible for emitting arm_neon.h, which includes
+// a declaration and definition of each function specified by the ARM NEON 
+// compiler interface.  See ARM document DUI0348B.
+//
+//===----------------------------------------------------------------------===//
+
+#include "NeonEmitter.h"
+#include "Record.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringMap.h"
+#include <string>
+
+using namespace llvm;
+
+void NeonEmitter::run(raw_ostream &OS) {
+  EmitSourceFileHeader("ARM NEON Header", OS);
+  
+  // FIXME: emit license into file?
+  
+  OS << "#ifndef __ARM_NEON_H\n";
+  OS << "#define __ARM_NEON_H\n\n";
+  
+  OS << "#ifndef __ARM_NEON__\n";
+  OS << "#error \"NEON support not enabled\"\n";
+  OS << "#endif\n\n";
+
+  OS << "#include <stdint.h>\n\n";
+  
+  // EmitTypedefs(OS);
+  
+  // Process Records
+  
+  std::vector<Record*> RV = Records.getAllDerivedDefinitions("Inst");
+  
+  // Unique the pattern types, and assign them 
+  
+  // emit #define directives for uniq'd prototypes
+  
+  // emit record directives
+  
+  for (unsigned i = 0, e = RV.size(); i != e; ++i) {
+    Record *R = RV[i];
+    
+    OS << LowercaseString(R->getName()) << "\n";
+
+    std::string Types = R->getValueAsString("Types");
+    std::string Pattern = R->getValueAsString("Pattern");
+    
+    OS << Types << "\n" << Pattern << "\n\n";
+  }
+  
+  OS << "#endif /* __ARM_NEON_H */\n";
+}