1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=core-avx2 | FileCheck %s 2 3 define void @shuffle_v16i16(<16 x i16>* %a) { 4 ; CHECK-LABEL: shuffle_v16i16: 5 ; CHECK: vpshufb {{.*}}%ymm 6 ; CHECK-NOT: vpshufb {{.*}}%xmm 7 entry: 8 %0 = load <16 x i16>* %a, align 32 9 %shuffle = shufflevector <16 x i16> %0, <16 x i16> undef, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15> 10 store <16 x i16> %shuffle, <16 x i16>* %a, align 32 11 ret void 12 } 13 14 define void @shuffle_v16i16_lanecrossing(<16 x i16>* %a) { 15 ; CHECK-LABEL: shuffle_v16i16_lanecrossing: 16 ; CHECK-NOT: vpshufb {{.*}}%ymm 17 entry: 18 %0 = load <16 x i16>* %a, align 32 19 %shuffle = shufflevector <16 x i16> %0, <16 x i16> undef, <16 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 13, i32 7, i32 7, i32 9, i32 9, i32 11, i32 11, i32 13, i32 13, i32 15, i32 15> 20 store <16 x i16> %shuffle, <16 x i16>* %a, align 32 21 ret void 22 } 23
