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Make isSafeToSpeculativelyExecute() return the right answer for some new instructions. Found by inspection; not sure what practical impact, if any, this has.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138962 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-09-01 21:03:03 +00:00
parent bcf47a5bce
commit 81b4e434d9
1 changed files with 4 additions and 0 deletions
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4
lib/VMCore/Instruction.cpp
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@ -436,6 +436,10 @@ bool Instruction::isSafeToSpeculativelyExecute() const {
case Unwind: case Unwind:
case Unreachable: case Unreachable:
case Fence: case Fence:
case LandingPad:
case AtomicRMW:
case AtomicCmpXchg:
case Resume:
return false; // Misc instructions which have effects return false; // Misc instructions which have effects
} }
} }