Initial KLEE checkin.

 - Lots more tweaks, documentation, and web page content is needed,
   but this should compile & work on OS X & Linux.


git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/runtime/Intrinsic/memmove.c b/runtime/Intrinsic/memmove.c
new file mode 100644
index 00000000..c6e1ada9
--- /dev/null
+++ b/runtime/Intrinsic/memmove.c
@@ -0,0 +1,28 @@
+//===-- memmove.c ---------------------------------------------------------===//
+//
+//                     The KLEE Symbolic Virtual Machine
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdlib.h>
+
+void *memmove(void *dst, const void *src, size_t count) {
+  char *a = dst;
+  const char *b = src;
+
+  if (src == dst)
+    return dst;
+
+  if (src>dst) {
+    while (count--) *a++ = *b++;
+  } else {
+    a+=count-1;
+    b+=count-1;
+    while (count--) *a-- = *b--;
+  }
+
+  return dst;
+}