Testcase for pr2169.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49344 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/Andersens/2008-04-07-Memcpy.ll b/test/Analysis/Andersens/2008-04-07-Memcpy.ll
new file mode 100644 (file)
index 0000000..9354449
--- /dev/null
+++ b/test/Analysis/Andersens/2008-04-07-Memcpy.ll
@@ -0,0 +1,14 @@
+; RUN: llvm-as < %s | opt -anders-aa -gvn | llvm-dis | not grep undef
+; PR2169
+
+declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
+declare void @use(i8)
+
+define void @f(i8* %x) {
+entry:
+        %copy = alloca i8               ; <i8*> [#uses=6]
+        call void @llvm.memcpy.i32( i8* %copy, i8* %x, i32 1, i32 4 )
+        %tmp = load i8* %copy           ; <i8> [#uses=1]
+        call void @use(i8 %tmp)
+        ret void
+}