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Ahmed Bougacha671795a2016-03-03 16:53:50 +00001; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2 | FileCheck %s
3
4declare <8 x i32> @llvm.x86.avx2.permd(<8 x i32>, <8 x i32>)
5declare <8 x float> @llvm.x86.avx2.permps(<8 x float>, <8 x i32>)
Simon Pilgrim21b2c562016-05-02 19:46:58 +00006declare <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8>, <32 x i8>)
Ahmed Bougacha671795a2016-03-03 16:53:50 +00007
8define <32 x i8> @combine_pshufb_vpermd(<8 x i32> %a) {
9; CHECK-LABEL: combine_pshufb_vpermd:
10; CHECK: # BB#0:
11; CHECK-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,16,17,18,18]
12; CHECK-NEXT: retq
13 %tmp0 = call <8 x i32> @llvm.x86.avx2.permd(<8 x i32> %a, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 4>)
14 %tmp1 = bitcast <8 x i32> %tmp0 to <32 x i8>
15 %tmp2 = shufflevector <32 x i8> %tmp1, <32 x i8> undef, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 30>
16 ret <32 x i8> %tmp2
17}
18
19define <32 x i8> @combine_pshufb_vpermps(<8 x float> %a) {
20; CHECK-LABEL: combine_pshufb_vpermps:
21; CHECK: # BB#0:
22; CHECK-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,16,17,18,18]
23; CHECK-NEXT: retq
24 %tmp0 = call <8 x float> @llvm.x86.avx2.permps(<8 x float> %a, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 4>)
25 %tmp1 = bitcast <8 x float> %tmp0 to <32 x i8>
26 %tmp2 = shufflevector <32 x i8> %tmp1, <32 x i8> undef, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 30>
27 ret <32 x i8> %tmp2
28}
Simon Pilgrim21b2c562016-05-02 19:46:58 +000029
30define <4 x i64> @combine_permq_pshufb(<4 x i64> %a0) {
31; CHECK-LABEL: combine_permq_pshufb:
32; CHECK: # BB#0:
33; CHECK-NEXT: vpermq {{.*#+}} ymm0 = ymm0[3,2,1,0]
34; CHECK-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[8,9,10,11,12,13,14,15,0,1,2,3,4,5,6,7,24,25,26,27,28,29,30,31,16,17,18,19,20,21,22,23]
35; CHECK-NEXT: retq
36 %1 = shufflevector <4 x i64> %a0, <4 x i64> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
37 %2 = bitcast <4 x i64> %1 to <32 x i8>
38 %3 = call <32 x i8> @llvm.x86.avx2.pshuf.b(<32 x i8> %2, <32 x i8> <i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7>)
39 %4 = bitcast <32 x i8> %3 to <4 x i64>
40 ret <4 x i64> %4
41}