From 4477d691ed9fa63f051986dcb98e358054c8281f Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 23 Aug 2011 21:33:05 +0000
Subject: [PATCH] A landingpad instruction is neither folded nor dead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138387 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 8e1e01099a0..dda018b9398 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -808,6 +808,7 @@ static bool isFoldedOrDeadInstruction(const Instruction *I,
   return !I->mayWriteToMemory() && // Side-effecting instructions aren't folded.
          !isa<TerminatorInst>(I) && // Terminators aren't folded.
          !isa<DbgInfoIntrinsic>(I) &&  // Debug instructions aren't folded.
+         !isa<LandingPadInst>(I) &&    // Landingpad instructions aren't folded.
          !FuncInfo->isExportedInst(I); // Exported instrs must be computed.
 }