From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Wed, 2 Jul 2014 17:44:53 +0000 (+0000)
Subject: R600: Fix crashes when an illegal type load or store is not handled.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b1fb2ba24d567e7f510d0a695d8fb50486eb44a9;p=oota-llvm.git

R600: Fix crashes when an illegal type load or store is not handled.

I don't think anything hits this now, but will be exposed in future
patches.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212197 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index 9258e1569e0..64636de959b 100644
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -556,6 +556,9 @@ void AMDGPUTargetLowering::ReplaceNodeResults(SDNode *N,
     return;
   case ISD::LOAD: {
     SDNode *Node = LowerLOAD(SDValue(N, 0), DAG).getNode();
+    if (!Node)
+      return;
+
     Results.push_back(SDValue(Node, 0));
     Results.push_back(SDValue(Node, 1));
     // XXX: LLVM seems not to replace Chain Value inside CustomWidenLowerNode
@@ -564,8 +567,9 @@ void AMDGPUTargetLowering::ReplaceNodeResults(SDNode *N,
     return;
   }
   case ISD::STORE: {
-    SDNode *Node = LowerSTORE(SDValue(N, 0), DAG).getNode();
-    Results.push_back(SDValue(Node, 0));
+    SDValue Lowered = LowerSTORE(SDValue(N, 0), DAG);
+    if (Lowered.getNode())
+      Results.push_back(Lowered);
     return;
   }
   default: