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-rw-r--r--llvm/include/llvm/Transforms/Scalar/LowerAtomic.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/include/llvm/Transforms/Scalar/LowerAtomic.h b/llvm/include/llvm/Transforms/Scalar/LowerAtomic.h
index 1d5550829f93..87d945d06901 100644
--- a/llvm/include/llvm/Transforms/Scalar/LowerAtomic.h
+++ b/llvm/include/llvm/Transforms/Scalar/LowerAtomic.h
@@ -24,6 +24,12 @@ public:
PreservedAnalyses run(Function &F, FunctionAnalysisManager &);
static bool isRequired() { return true; }
};
+
+class AtomicRMWInst;
+/// Convert the given RMWI into primitive load and stores,
+/// assuming that doing so is legal. Return true if the lowering
+/// succeeds.
+bool lowerAtomicRMWInst(AtomicRMWInst *RMWI);
}
#endif // LLVM_TRANSFORMS_SCALAR_LOWERATOMIC_H