From 967c1e0b932b61aade13b163f8f38ec4a21203d6 Mon Sep 17 00:00:00 2001
From: Tobias Grosser <tobias@grosser.es>
Date: Mon, 22 Jun 2015 18:45:23 +0000
Subject: [PATCH] Handle zero-element ArrayRefs in CUDA run-time debug builder

llvm-svn: 240312
---
 polly/include/polly/CodeGen/RuntimeDebugBuilder.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/polly/include/polly/CodeGen/RuntimeDebugBuilder.h b/polly/include/polly/CodeGen/RuntimeDebugBuilder.h
index 0c0f041070be..2416e7e64031 100644
--- a/polly/include/polly/CodeGen/RuntimeDebugBuilder.h
+++ b/polly/include/polly/CodeGen/RuntimeDebugBuilder.h
@@ -105,8 +105,10 @@ private:
       createGPUVAPrinter(
           Builder, Values, Array[0], " ",
           llvm::ArrayRef<llvm::Value *>(&Array[1], Array.size() - 1), args...);
-    else
+    else if (Array.size() == 1)
       createGPUVAPrinter(Builder, Values, Array[0], args...);
+    else
+      createGPUVAPrinter(Builder, Values, args...);
   }
 
   /// @brief Get (and possibly insert) a vprintf declaration into the module.