diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/FastISel.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index 1d961af70de..d25ea4e72eb 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -2183,6 +2183,8 @@ FastISel::createMachineMemOperandFor(const Instruction *I) const { bool IsNonTemporal = I->getMetadata(LLVMContext::MD_nontemporal) != nullptr; bool IsInvariant = I->getMetadata(LLVMContext::MD_invariant_load) != nullptr; + bool IsDereferenceable = + I->getMetadata(LLVMContext::MD_dereferenceable) != nullptr; const MDNode *Ranges = I->getMetadata(LLVMContext::MD_range); AAMDNodes AAInfo; @@ -2197,6 +2199,8 @@ FastISel::createMachineMemOperandFor(const Instruction *I) const { Flags |= MachineMemOperand::MOVolatile; if (IsNonTemporal) Flags |= MachineMemOperand::MONonTemporal; + if (IsDereferenceable) + Flags |= MachineMemOperand::MODereferenceable; if (IsInvariant) Flags |= MachineMemOperand::MOInvariant; |