diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 7ab17fce04d..ca43804481b 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -1305,6 +1305,8 @@ bool MachineInstr::isDereferenceableInvariantLoad(AliasAnalysis *AA) const { for (MachineMemOperand *MMO : memoperands()) { if (MMO->isVolatile()) return false; + // TODO: Figure out whether isAtomic is really necessary (see D57601). + if (MMO->isAtomic()) return false; if (MMO->isStore()) return false; if (MMO->isInvariant() && MMO->isDereferenceable()) continue; |
