xref: /llvm-project/llvm/test/CodeGen/LoongArch/lasx/bitreverse.ll (revision 953838dceaff3728b9aa53ea4259efca15f38f66) 
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; RUN: llc --mtriple=loongarch64 -mattr=+lasx --verify-machineinstrs < %s \
3; RUN:   | FileCheck %s
4
5declare <32 x i8> @llvm.bitreverse.v32i8(<32 x i8>)
6
7define <32 x i8> @test_bitreverse_v32i8(<32 x i8> %a) nounwind {
8; CHECK-LABEL: test_bitreverse_v32i8:
9; CHECK:       # %bb.0:
10; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 0
11; CHECK-NEXT:    bitrev.8b $a0, $a0
12; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 0
13; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 1
14; CHECK-NEXT:    bitrev.8b $a0, $a0
15; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 1
16; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 2
17; CHECK-NEXT:    bitrev.8b $a0, $a0
18; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 2
19; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 3
20; CHECK-NEXT:    bitrev.8b $a0, $a0
21; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 3
22; CHECK-NEXT:    xvori.b $xr0, $xr1, 0
23; CHECK-NEXT:    ret
24  %b = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
25  ret <32 x i8> %b
26}
27
28declare <16 x i16> @llvm.bitreverse.v16i16(<16 x i16>)
29
30define <16 x i16> @test_bitreverse_v16i16(<16 x i16> %a) nounwind {
31; CHECK-LABEL: test_bitreverse_v16i16:
32; CHECK:       # %bb.0:
33; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 0
34; CHECK-NEXT:    bitrev.d $a0, $a0
35; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 0
36; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 1
37; CHECK-NEXT:    bitrev.d $a0, $a0
38; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 1
39; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 2
40; CHECK-NEXT:    bitrev.d $a0, $a0
41; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 2
42; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 3
43; CHECK-NEXT:    bitrev.d $a0, $a0
44; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 3
45; CHECK-NEXT:    xvshuf4i.h $xr0, $xr1, 27
46; CHECK-NEXT:    ret
47  %b = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
48  ret <16 x i16> %b
49}
50
51declare <8 x i32> @llvm.bitreverse.v8i32(<8 x i32>)
52
53define <8 x i32> @test_bitreverse_v8i32(<8 x i32> %a) nounwind {
54; CHECK-LABEL: test_bitreverse_v8i32:
55; CHECK:       # %bb.0:
56; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 0
57; CHECK-NEXT:    bitrev.d $a0, $a0
58; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 0
59; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 1
60; CHECK-NEXT:    bitrev.d $a0, $a0
61; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 1
62; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 2
63; CHECK-NEXT:    bitrev.d $a0, $a0
64; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 2
65; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 3
66; CHECK-NEXT:    bitrev.d $a0, $a0
67; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 3
68; CHECK-NEXT:    xvshuf4i.w $xr0, $xr1, 177
69; CHECK-NEXT:    ret
70  %b = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
71  ret <8 x i32> %b
72}
73
74declare <4 x i64> @llvm.bitreverse.v4i64(<4 x i64>)
75
76define <4 x i64> @test_bitreverse_v4i64(<4 x i64> %a) nounwind {
77; CHECK-LABEL: test_bitreverse_v4i64:
78; CHECK:       # %bb.0:
79; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 0
80; CHECK-NEXT:    bitrev.d $a0, $a0
81; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 0
82; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 1
83; CHECK-NEXT:    bitrev.d $a0, $a0
84; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 1
85; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 2
86; CHECK-NEXT:    bitrev.d $a0, $a0
87; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 2
88; CHECK-NEXT:    xvpickve2gr.d $a0, $xr0, 3
89; CHECK-NEXT:    bitrev.d $a0, $a0
90; CHECK-NEXT:    xvinsgr2vr.d $xr1, $a0, 3
91; CHECK-NEXT:    xvori.b $xr0, $xr1, 0
92; CHECK-NEXT:    ret
93  %b = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
94  ret <4 x i64> %b
95}
96