diff options
Diffstat (limited to 'llvm/lib/CodeGen/ScheduleDAGInstrs.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/ScheduleDAGInstrs.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp index ab503206a51..3e68e09c44e 100644 --- a/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -131,7 +131,8 @@ static bool getUnderlyingObjectsForInstr(const MachineInstr *MI, const DataLayout &DL) { auto allMMOsOkay = [&]() { for (const MachineMemOperand *MMO : MI->memoperands()) { - if (MMO->isVolatile()) + // TODO: Figure out whether isAtomic is really necessary (see D57601). + if (MMO->isVolatile() || MMO->isAtomic()) return false; if (const PseudoSourceValue *PSV = MMO->getPseudoValue()) { |
