From 5f311a7bce065e8d8cccec2245411ec76e23fdd6 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 23 Apr 2003 20:23:16 +0000
Subject: [PATCH] Add memcpy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5887 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index eced4824c1a..f53be1b11b1 100644
--- a/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -571,6 +571,12 @@ GenericValue lle_X_memset(FunctionType *M, const vector<GenericValue> &Args) {
   return PTOGV(memset(GVTOP(Args[0]), Args[1].IntVal, Args[2].UIntVal));
 }
 
+// void *memcpy(void *Dest, void *src, size_t Size);
+GenericValue lle_X_memcpy(FunctionType *M, const vector<GenericValue> &Args) {
+  assert(Args.size() == 3);
+  return PTOGV(memcpy((char*)GVTOP(Args[0]), (char*)GVTOP(Args[1]),
+                      Args[2].UIntVal));
+}
 
 //===----------------------------------------------------------------------===//
 // IO Functions...
@@ -798,6 +804,7 @@ void Interpreter::initializeExternalMethods() {
   FuncNames["lle_X_strcpy"]       = lle_X_strcpy;
   FuncNames["lle_X_strlen"]       = lle_X_strlen;
   FuncNames["lle_X_memset"]       = lle_X_memset;
+  FuncNames["lle_X_memcpy"]       = lle_X_memcpy;
 
   FuncNames["lle_X_fopen"]        = lle_X_fopen;
   FuncNames["lle_X_fclose"]       = lle_X_fclose;