PR10092 (second try): Don't crash on a load without a momoperand; fas…

…t-isel creates loads like this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132826 91177308-0d34-0410-b5e6-96231b3b80d8
tzlaine · Jun 10, 2011 · be5cbaa · be5cbaa
1 parent 348d542
commit be5cbaa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;