Add CodeGen support for alignment on globals, both for unusual natural
alignment and alignment attributes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51676 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 0b7d30a..e5bd15e 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -477,6 +477,12 @@
"Initializer codegen type mismatch!");
GV->setInitializer(Init);
+ unsigned Align = Context.getTypeAlign(D->getType());
+ if (const AlignedAttr* AA = D->getAttr<AlignedAttr>()) {
+ Align = std::max(Align, AA->getAlignment());
+ }
+ GV->setAlignment(Align / 8);
+
if (const VisibilityAttr *attr = D->getAttr<VisibilityAttr>())
setVisibility(GV, attr->getVisibility());
// FIXME: else handle -fvisibility