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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h
index 0e6011cdbd9..2d4727bc489 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.h
+++ b/llvm/lib/Target/X86/X86ISelLowering.h
@@ -965,6 +965,9 @@ namespace llvm {
bool shouldExpandAtomicStoreInIR(StoreInst *SI) const override;
bool shouldExpandAtomicRMWInIR(AtomicRMWInst *AI) const override;
+ LoadInst *
+ lowerIdempotentRMWIntoFencedLoad(AtomicRMWInst *AI) const override;
+
bool needsCmpXchgNb(const Type *MemType) const;
/// Utility function to emit atomic-load-arith operations (and, or, xor,
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