; RUN: llc < %s -march=x86 -mattr=+sse42 | FileCheck %s
; CHECK: movswl
; sign extension v2i32 to v2i16
define void @convert(<2 x i32>* %dst.addr, <2 x i16> %src) nounwind {
entry:
%signext = sext <2 x i16> %src to <2 x i32> ; <<12 x i8>> [#uses=1]
store <2 x i32> %signext, <2 x i32>* %dst.addr
ret void
}