[CodeGen] Refactor TLI/AtomicExpand interface to make LLSC explicit.

[oota-llvm.git] / lib / Target / AArch64 / AArch64ISelLowering.h

diff --git a/lib/Target/AArch64/AArch64ISelLowering.h b/lib/Target/AArch64/AArch64ISelLowering.h
index c437ec2b351ac85ad793af17db530c527f190351..a60c2a6315d513cb18d174b297b675d83c4144c7 100644 (file)
--- a/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/lib/Target/AArch64/AArch64ISelLowering.h
@@ -343,17 +343,19 @@ public:
   bool shouldConvertConstantLoadToIntImm(const APInt &Imm,
                                          Type *Ty) const override;
 
-  bool hasLoadLinkedStoreConditional() const override;
   Value *emitLoadLinked(IRBuilder<> &Builder, Value *Addr,
                         AtomicOrdering Ord) const override;
   Value *emitStoreConditional(IRBuilder<> &Builder, Value *Val,
                               Value *Addr, AtomicOrdering Ord) const override;
 
-  bool shouldExpandAtomicLoadInIR(LoadInst *LI) const override;
+  TargetLoweringBase::AtomicExpansionKind
+  shouldExpandAtomicLoadInIR(LoadInst *LI) const override;
   bool shouldExpandAtomicStoreInIR(StoreInst *SI) const override;
   TargetLoweringBase::AtomicExpansionKind
   shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const override;
 
+  bool shouldExpandAtomicCmpXchgInIR(AtomicCmpXchgInst *AI) const override;
+
   bool useLoadStackGuardNode() const override;
   TargetLoweringBase::LegalizeTypeAction
   getPreferredVectorAction(EVT VT) const override;