diff --git a/test/CodeGen/X86/promote.ll b/test/CodeGen/X86/promote.ll
new file mode 100644
index 00000000000..b8964f20c9c
--- /dev/null
+++ b/test/CodeGen/X86/promote.ll
@@ -0,0 +1,31 @@
+; RUN: llc < %s -march=x86-64 -mcpu=corei7 | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i8:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+
+; CHECK: mul_f
+define i32 @mul_f(<4 x i8>* %A) {
+entry:
+; CHECK: pmul
+; CHECK-NOT: mulb
+  %0 = load <4 x i8>* %A, align 8
+  %mul = mul <4 x i8> %0, %0
+  store <4 x i8> %mul, <4 x i8>* undef
+  ret i32 0
+; CHECK: ret
+}
+
+
+; CHECK: shuff_f
+define i32 @shuff_f(<4 x i8>* %A) {
+entry:
+; CHECK: pshufb
+; CHECK: paddd
+; CHECK: pshufb
+  %0 = load <4 x i8>* %A, align 8
+  %add = add <4 x i8> %0, %0
+  store <4 x i8> %add, <4 x i8>* undef
+  ret i32 0
+; CHECK: ret
+}