; RUN: llc < %s -march=x86 -mattr=+avx | FileCheck %s ; CHECK: test ; Test case when creating pshufhw, we incorrectly set the higher order bit ; for an undef, define void @test(<8 x i16>* %dest, <8 x i16> %in) nounwind { entry: ; CHECK-NOT: vmovaps ; CHECK: vmovlpd ; CHECK: vpshufhw $-95 %0 = load <8 x i16>* %dest %1 = shufflevector <8 x i16> %0, <8 x i16> %in, <8 x i32> < i32 0, i32 1, i32 2, i32 3, i32 13, i32 undef, i32 14, i32 14> store <8 x i16> %1, <8 x i16>* %dest ret void } ; CHECK: test2 ; A test case where we shouldn't generate a punpckldq but a pshufd and a pslldq define void @test2(<4 x i32>* %dest, <4 x i32> %in) nounwind { entry: ; CHECK-NOT: pslldq ; CHECK: shufps %0 = shufflevector <4 x i32> %in, <4 x i32> , <4 x i32> < i32 undef, i32 5, i32 undef, i32 2> store <4 x i32> %0, <4 x i32>* %dest ret void }