1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/memcpy.ll b/llvm/test/CodeGen/X86/memcpy.ll
index 2e02e45c8dd..3372a4adc5e 100644
--- a/llvm/test/CodeGen/X86/memcpy.ll
+++ b/llvm/test/CodeGen/X86/memcpy.ll
@@ -105,3 +105,16 @@ entry:
   ret void
 }
 
+define void @PR15348(i8* %a, i8* %b) {
+; Ensure that alignment of '0' in an @llvm.memcpy intrinsic results in
+; unaligned loads and stores.
+; LINUX: PR15348
+; LINUX: movb
+; LINUX: movb
+; LINUX: movq
+; LINUX: movq
+; LINUX: movq
+; LINUX: movq
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 17, i32 0, i1 false)
+  ret void
+}