From 332850d8ccd54a8e0f610a6976c866b915d247f5 Mon Sep 17 00:00:00 2001
From: Justin Holewinski <justin.holewinski@gmail.com>
Date: Tue, 27 Sep 2011 19:25:49 +0000
Subject: [PATCH] PTX: Fix case where printed alignment could be 0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140624 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PTX/PTXAsmPrinter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Target/PTX/PTXAsmPrinter.cpp b/lib/Target/PTX/PTXAsmPrinter.cpp
index cd82d568b38..c1a002c2441 100644
--- a/lib/Target/PTX/PTXAsmPrinter.cpp
+++ b/lib/Target/PTX/PTXAsmPrinter.cpp
@@ -480,7 +480,7 @@ void PTXAsmPrinter::EmitVariableDeclaration(const GlobalVariable *gv) {
   unsigned alignment = gv->getAlignment();
   if (alignment != 0) {
     decl += ".align ";
-    decl += utostr(Log2_32(gv->getAlignment()));
+    decl += utostr(std::max(1U, Log2_32(gv->getAlignment())));
     decl += " ";
   }