If the source and destination pointers in an llvm.memmove are known
to not alias each other, it can be translated as an llvm.memcpy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41489 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/memmove-1.ll b/test/CodeGen/X86/memmove-1.ll
new file mode 100644
index 0000000..e19ba6f
--- /dev/null
+++ b/test/CodeGen/X86/memmove-1.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep {call memmove}
+
+declare void @llvm.memmove.i64(i8* %d, i8* %s, i64 %l, i32 %a)
+
+define void @foo(i8* %d, i8* %s, i64 %l)
+{
+ call void @llvm.memmove.i64(i8* %d, i8* %s, i64 %l, i32 1)
+ ret void
+}