1 files changed, 22 insertions, 4 deletions
diff --git a/include/llvm/Transforms/Utils/LowerMemIntrinsics.h b/include/llvm/Transforms/Utils/LowerMemIntrinsics.h
index e4906b709e4b..4554b5cbc644 100644
--- a/include/llvm/Transforms/Utils/LowerMemIntrinsics.h
+++ b/include/llvm/Transforms/Utils/LowerMemIntrinsics.h
@@ -17,21 +17,39 @@
 
 namespace llvm {
 
+class ConstantInt;
 class Instruction;
 class MemCpyInst;
 class MemMoveInst;
 class MemSetInst;
+class TargetTransformInfo;
 class Value;
 
 /// Emit a loop implementing the semantics of llvm.memcpy with the equivalent
 /// arguments at \p InsertBefore.
-void createMemCpyLoop(Instruction *InsertBefore,
-                      Value *SrcAddr, Value *DstAddr, Value *CopyLen,
-                      unsigned SrcAlign, unsigned DestAlign,
+void createMemCpyLoop(Instruction *InsertBefore, Value *SrcAddr, Value *DstAddr,
+                      Value *CopyLen, unsigned SrcAlign, unsigned DestAlign,
                       bool SrcIsVolatile, bool DstIsVolatile);
 
+/// Emit a loop implementing the semantics of llvm.memcpy where the size is not
+/// a compile-time constant. Loop will be insterted at \p InsertBefore.
+void createMemCpyLoopUnknownSize(Instruction *InsertBefore, Value *SrcAddr,
+                                 Value *DstAddr, Value *CopyLen,
+                                 unsigned SrcAlign, unsigned DestAlign,
+                                 bool SrcIsVolatile, bool DstIsVolatile,
+                                 const TargetTransformInfo &TTI);
+
+/// Emit a loop implementing the semantics of an llvm.memcpy whose size is a
+/// compile time constant. Loop is inserted at \p InsertBefore.
+void createMemCpyLoopKnownSize(Instruction *InsertBefore, Value *SrcAddr,
+                               Value *DstAddr, ConstantInt *CopyLen,
+                               unsigned SrcAlign, unsigned DestAlign,
+                               bool SrcIsVolatile, bool DstIsVolatile,
+                               const TargetTransformInfo &TTI);
+
+
 /// Expand \p MemCpy as a loop. \p MemCpy is not deleted.
-void expandMemCpyAsLoop(MemCpyInst *MemCpy);
+void expandMemCpyAsLoop(MemCpyInst *MemCpy, const TargetTransformInfo &TTI);
 
 /// Expand \p MemMove as a loop. \p MemMove is not deleted.
 void expandMemMoveAsLoop(MemMoveInst *MemMove);