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Add a check to make sure we don't crash with strange configurations where we do fast-isel, then try to fold instructions. PR10092.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132789 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-06-09 18:55:00 +00:00
parent f1e2b23dfa
commit aebc3c1610
1 changed files with 4 additions and 0 deletions
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4
lib/Target/X86/X86InstrInfo.cpp
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@ -2392,6 +2392,10 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
return 0;
}
// Conservatively fail out for loads without a memoperand.
if (LoadMI->memoperands_empty())
return 0;
// Determine the alignment of the load.
unsigned Alignment = 0;
if (LoadMI->hasOneMemOperand())