New testcase for support for memcpy/memmove

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11372 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/DSGraph/2004-02-13-memcpy.ll b/test/Analysis/DSGraph/2004-02-13-memcpy.ll
new file mode 100644 (file)
index 0000000..aefe2e5
--- /dev/null
+++ b/test/Analysis/DSGraph/2004-02-13-memcpy.ll
@@ -0,0 +1,13 @@
+; RUN: analyze %s -datastructure-gc -dsgc-check-flags=X:SM
+
+declare void %llvm.memcpy(sbyte*, sbyte*, uint, uint)
+
+void %test() {
+       %X = alloca int
+       %Y = alloca int
+       %x = cast int* %X to sbyte*
+       %y = cast int* %Y to sbyte*
+       store int 4, int* %X
+       call void %llvm.memcpy(sbyte* %x, sbyte* %y, uint 4, uint 4)
+       ret void
+}