From 0b7f9acc704865fb36965671f178d3720a77da9f Mon Sep 17 00:00:00 2001
From: Matt Pharr <matt.pharr@intel.com>
Date: Thu, 21 Jun 2012 10:25:33 -0700
Subject: [PATCH] Align <16 x i1> vectors to just 16 bits for generic targets.

Partially addresses issue #259.
---
 module.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/module.cpp b/module.cpp
index d395a9e5..97f6b003 100644
--- a/module.cpp
+++ b/module.cpp
@@ -240,6 +240,13 @@ Module::Module(const char *fn) {
     module = new llvm::Module(filename ? filename : "<stdin>", *g->ctx);
     module->setTargetTriple(g->target.GetTripleString());
 
+    if (g->target.isa == Target::GENERIC) {
+        // <16 x i1> vectors only need 16 bit / 2 byte alignment
+        std::string datalayout = module->getDataLayout();
+        datalayout += "v16:16:16";
+        module->setDataLayout(datalayout);
+    }
+
     if (g->generateDebuggingSymbols) {
         diBuilder = new llvm::DIBuilder(*module);