trivial scaffolding for param attrs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36720 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 6dcc372..1e899e1 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -80,6 +80,15 @@
   Stream.EmitRecord(Code, Vals, AbbrevToUse);
 }
 
+// Emit information about parameter attributes.
+static void WriteParamAttrTable(const ValueEnumerator &VE, 
+                                BitstreamWriter &Stream) {
+  const std::vector<const ParamAttrsList*> &Attrs = VE.getParamAttrs();
+  if (Attrs.empty()) return;
+  
+  
+  
+}
 
 /// WriteTypeTable - Write out the type table for a module.
 static void WriteTypeTable(const ValueEnumerator &VE, BitstreamWriter &Stream) {
@@ -799,6 +808,9 @@
   // Analyze the module, enumerating globals, functions, etc.
   ValueEnumerator VE(M);
   
+  // Emit information about parameter attributes.
+  WriteParamAttrTable(VE, Stream);
+  
   // Emit information describing all of the types in the module.
   WriteTypeTable(VE, Stream);