For PR761:

Implement reading and writing of the Module's data layout string.

llvm-svn: 33346

llvm/lib/Bytecode/Reader/Reader.cpp

@@ -2013,6 +2013,13 @@ void BytecodeReader::ParseModuleGlobalInfo() {
   TheModule->setTargetTriple(triple);
   if (Handler)
     Handler->handleTargetTriple(triple);
+
+  // Read the data layout string and place into the module.
+  std::string datalayout = read_str();
+  TheModule->setDataLayout(datalayout);
+  // FIXME: Implement
+  // if (Handler)
+    // Handler->handleDataLayout(datalayout);
   
   if (At != BlockEnd) {
     // If the file has section info in it, read the section names now.

llvm/lib/Bytecode/Writer/Writer.cpp

@@ -1090,6 +1090,9 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
 
   // Output the target triple from the module
   output(M->getTargetTriple());
+
+  // Output the data layout from the module
+  output(M->getDataLayout());
   
   // Emit the table of section names.
   output_vbr((unsigned)SectionNames.size());