[WebAssembly] memory.copy

Summary: Depends on D57495.

Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, hiraditya, sunfish

Differential Revision: https://reviews.llvm.org/D57498

llvm-svn: 353127

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
index 3dcb929650b..349a7c94621 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblySelectionDAGInfo.h
@@ -22,6 +22,12 @@ namespace llvm {
 class WebAssemblySelectionDAGInfo final : public SelectionDAGTargetInfo {
 public:
   ~WebAssemblySelectionDAGInfo() override;
+  SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
+                                  SDValue Chain, SDValue Op1, SDValue Op2,
+                                  SDValue Op3, unsigned Align, bool isVolatile,
+                                  bool AlwaysInline,
+                                  MachinePointerInfo DstPtrInfo,
+                                  MachinePointerInfo SrcPtrInfo) const override;
 };
 
 } // end namespace llvm