From baf3941fde99332560c171d77f64554ad90ccf23 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Wed, 28 Sep 2011 03:52:41 +0000
Subject: [PATCH] Strip off pointer casts when looking at the
 eh.sjlj.functioncontext's argument.

llvm-svn: 140678
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index b2b93c9ff57a..2bfb529a5688 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4757,7 +4757,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
   case Intrinsic::eh_sjlj_functioncontext: {
     // Get and store the index of the function context.
     MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo();
-    AllocaInst *FnCtx = cast<AllocaInst>(I.getArgOperand(0));
+    AllocaInst *FnCtx =
+      cast<AllocaInst>(I.getArgOperand(0)->stripPointerCasts());
     int FI = FuncInfo.StaticAllocaMap[FnCtx];
     MFI->setFunctionContextIndex(FI);
     return 0;