1; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s 2 3; CHECK: vmovsldup 4define <8 x float> @movdupA(<8 x float> %src) nounwind uwtable readnone ssp { 5entry: 6 %shuffle.i = shufflevector <8 x float> %src, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6> 7 ret <8 x float> %shuffle.i 8} 9 10; CHECK: vmovshdup 11define <8 x float> @movdupB(<8 x float> %src) nounwind uwtable readnone ssp { 12entry: 13 %shuffle.i = shufflevector <8 x float> %src, <8 x float> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7> 14 ret <8 x float> %shuffle.i 15} 16 17; CHECK: vmovsldup 18define <4 x i64> @movdupC(<4 x i64> %src) nounwind uwtable readnone ssp { 19entry: 20 %0 = bitcast <4 x i64> %src to <8 x float> 21 %shuffle.i = shufflevector <8 x float> %0, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6> 22 %1 = bitcast <8 x float> %shuffle.i to <4 x i64> 23 ret <4 x i64> %1 24} 25 26; CHECK: vmovshdup 27define <4 x i64> @movdupD(<4 x i64> %src) nounwind uwtable readnone ssp { 28entry: 29 %0 = bitcast <4 x i64> %src to <8 x float> 30 %shuffle.i = shufflevector <8 x float> %0, <8 x float> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7> 31 %1 = bitcast <8 x float> %shuffle.i to <4 x i64> 32 ret <4 x i64> %1 33} 34 35