From 950df94d253fe891d061fe6435fb3ae3dcb18008 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Fri, 10 Jun 2011 01:13:01 +0000
Subject: [PATCH] PR10092 (second try): Don't crash on a load without a
 momoperand; fast-isel creates loads like this.

llvm-svn: 132826
---
 lib/Target/X86/X86InstrInfo.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 18d71da4741..e2016eb2d6f 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -2420,7 +2420,7 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
       Alignment = 4;
       break;
     default:
-      llvm_unreachable("Don't know how to fold this instruction!");
+      return 0;
     }
   if (Ops.size() == 2 && Ops[0] == 0 && Ops[1] == 1) {
     unsigned NewOpc = 0;