Align <16 x i1> vectors to just 16 bits for generic targets.

Partially addresses issue #259.
2012-06-21 10:25:33 -07:00
parent 10fbaec247
commit 0b7f9acc70
1 changed files with 7 additions and 0 deletions
--- 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);