From: Justin Holewinski <jholewinski@nvidia.com>
Date: Thu, 5 Dec 2013 12:58:00 +0000 (+0000)
Subject: [NVPTX] Fix off-by-one error when creating the VT list for an SDNode
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7add5421a686877e0aa87616b92b1f5a85c6feee;p=oota-llvm.git

[NVPTX] Fix off-by-one error when creating the VT list for an SDNode

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196503 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp b/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
index 4b8b306a705..fc0c84d205b 100644
--- a/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
+++ b/lib/Target/NVPTX/NVPTXISelDAGToDAG.cpp
@@ -2014,7 +2014,7 @@ SDNode *NVPTXDAGToDAGISel::SelectLoadParam(SDNode *Node) {
     VTs = CurDAG->getVTList(EltVT, EltVT, MVT::Other, MVT::Glue);
   } else {
     EVT EVTs[] = { EltVT, EltVT, EltVT, EltVT, MVT::Other, MVT::Glue };
-    VTs = CurDAG->getVTList(&EVTs[0], 5);
+    VTs = CurDAG->getVTList(&EVTs[0], array_lengthof(EVTs));
   }
 
   unsigned OffsetVal = cast<ConstantSDNode>(Offset)->getZExtValue();
diff --git a/test/CodeGen/NVPTX/ldparam-v4.ll b/test/CodeGen/NVPTX/ldparam-v4.ll
new file mode 100644
index 00000000000..ec306aafe85
--- /dev/null
+++ b/test/CodeGen/NVPTX/ldparam-v4.ll
@@ -0,0 +1,10 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+declare <4 x float> @bar()
+
+define void @foo(<4 x float>* %ptr) {
+; CHECK: ld.param.v4.f32
+  %val = tail call <4 x float> @bar()
+  store <4 x float> %val, <4 x float>* %ptr
+  ret void
+}