1 ; RUN: llc < %s -march=x86 -mattr=+sse4.2 | FileCheck %s 2 ; CHECK: psllq $48, %xmm0 3 ; CHECK: psrad $16, %xmm0 4 ; CHECK: pshufd {{.*#+}} xmm0 = xmm0[1,3,2,3] 5 6 ; sign extension v2i16 to v2i32 7 8 define void @convert(<2 x i32>* %dst.addr, <2 x i16> %src) nounwind { 9 entry: 10 %signext = sext <2 x i16> %src to <2 x i32> ; <<12 x i8>> [#uses=1] 11 store <2 x i32> %signext, <2 x i32>* %dst.addr 12 ret void 13 } 14