From 650d292f89643aad10a447747286ba4b07182635 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Thu, 18 Jan 2007 23:24:24 +0000
Subject: [PATCH] For PR761: Implement reading and writing of the Module's data
 layout string.

llvm-svn: 33346
---
 llvm/lib/Bytecode/Reader/Reader.cpp | 7 +++++++
 llvm/lib/Bytecode/Writer/Writer.cpp | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/llvm/lib/Bytecode/Reader/Reader.cpp b/llvm/lib/Bytecode/Reader/Reader.cpp
index efdb4f17d266..355fc1df4c0c 100644
--- a/llvm/lib/Bytecode/Reader/Reader.cpp
+++ b/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.
diff --git a/llvm/lib/Bytecode/Writer/Writer.cpp b/llvm/lib/Bytecode/Writer/Writer.cpp
index 201352493901..aea900075492 100644
--- a/llvm/lib/Bytecode/Writer/Writer.cpp
+++ b/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());