diff options
Diffstat (limited to 'test/CodeGen/X86/vector-shuffle-128-v16.ll')
| -rw-r--r-- | test/CodeGen/X86/vector-shuffle-128-v16.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vector-shuffle-128-v16.ll b/test/CodeGen/X86/vector-shuffle-128-v16.ll index c271622..01b8972 100644 --- a/test/CodeGen/X86/vector-shuffle-128-v16.ll +++ b/test/CodeGen/X86/vector-shuffle-128-v16.ll @@ -1336,3 +1336,22 @@ define <16 x i8> @shuffle_v16i8_uu_02_03_zz_uu_06_07_zz_uu_10_11_zz_uu_14_15_zz( %shuffle = shufflevector <16 x i8> %a, <16 x i8> zeroinitializer, <16 x i32> <i32 undef, i32 2, i32 3, i32 16, i32 undef, i32 6, i32 7, i32 16, i32 undef, i32 10, i32 11, i32 16, i32 undef, i32 14, i32 15, i32 16> ret <16 x i8> %shuffle } + +define <16 x i8> @shuffle_v16i8_bitcast_unpack(<16 x i8> %a, <16 x i8> %b) { +; SSE-LABEL: shuffle_v16i8_bitcast_unpack: +; SSE: # BB#0: +; SSE-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] +; SSE-NEXT: retq +; +; AVX-LABEL: shuffle_v16i8_bitcast_unpack: +; AVX: # BB#0: +; AVX-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] +; AVX-NEXT: retq + %shuffle8 = shufflevector <16 x i8> %a, <16 x i8> %b, <16 x i32> <i32 7, i32 23, i32 6, i32 22, i32 5, i32 21, i32 4, i32 20, i32 3, i32 19, i32 2, i32 18, i32 1, i32 17, i32 0, i32 16> + %bitcast32 = bitcast <16 x i8> %shuffle8 to <4 x float> + %shuffle32 = shufflevector <4 x float> %bitcast32, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> + %bitcast16 = bitcast <4 x float> %shuffle32 to <8 x i16> + %shuffle16 = shufflevector <8 x i16> %bitcast16, <8 x i16> undef, <8 x i32> <i32 1, i32 0, i32 3, i32 2, i32 5, i32 4, i32 7, i32 6> + %bitcast8 = bitcast <8 x i16> %shuffle16 to <16 x i8> + ret <16 x i8> %bitcast8 +} |