diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 3aedee8db0b..6d7f2840adf 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -4564,6 +4564,11 @@ void SelectionDAGBuilder::visitAtomicLoad(const LoadInst &I) { auto Flags = MachineMemOperand::MOLoad; if (I.isVolatile()) Flags |= MachineMemOperand::MOVolatile; + if (I.getMetadata(LLVMContext::MD_invariant_load) != nullptr) + Flags |= MachineMemOperand::MOInvariant; + if (isDereferenceablePointer(I.getPointerOperand(), DAG.getDataLayout())) + Flags |= MachineMemOperand::MODereferenceable; + Flags |= TLI.getMMOFlags(I); MachineMemOperand *MMO = |
