diff options
Diffstat (limited to 'llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp')
| -rw-r--r-- | llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp b/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp index ed5b6c4fd4a..a69dcddfc25 100644 --- a/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp +++ b/llvm/lib/Target/Lanai/LanaiMemAluCombiner.cpp @@ -158,7 +158,8 @@ bool isNonVolatileMemoryOp(const MachineInstr &MI) { const MachineMemOperand *MemOperand = *MI.memoperands_begin(); // Don't move volatile memory accesses - if (MemOperand->isVolatile()) + // TODO: unclear if we need to be as conservative about atomics + if (MemOperand->isVolatile() || MemOperand->isAtomic()) return false; return true; |
