xref: /llvm-project/llvm/test/CodeGen/LoongArch/lsx/bitreverse.ll (revision 953838dceaff3728b9aa53ea4259efca15f38f66)
120d4742eSZhaoQi; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
220d4742eSZhaoQi; RUN: llc --mtriple=loongarch64 -mattr=+lsx --verify-machineinstrs < %s \
320d4742eSZhaoQi; RUN:   | FileCheck %s
420d4742eSZhaoQi
520d4742eSZhaoQideclare <16 x i8> @llvm.bitreverse.v16i8(<16 x i8>)
620d4742eSZhaoQi
720d4742eSZhaoQidefine <16 x i8> @test_bitreverse_v16i8(<16 x i8> %a) nounwind {
820d4742eSZhaoQi; CHECK-LABEL: test_bitreverse_v16i8:
920d4742eSZhaoQi; CHECK:       # %bb.0:
10*953838dcSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 0
11*953838dcSZhaoQi; CHECK-NEXT:    bitrev.8b $a0, $a0
12*953838dcSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 0
13*953838dcSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 1
14*953838dcSZhaoQi; CHECK-NEXT:    bitrev.8b $a0, $a0
15*953838dcSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 1
16*953838dcSZhaoQi; CHECK-NEXT:    vori.b $vr0, $vr1, 0
1720d4742eSZhaoQi; CHECK-NEXT:    ret
1820d4742eSZhaoQi  %b = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
1920d4742eSZhaoQi  ret <16 x i8> %b
2020d4742eSZhaoQi}
2120d4742eSZhaoQi
2220d4742eSZhaoQideclare <8 x i16> @llvm.bitreverse.v8i16(<8 x i16>)
2320d4742eSZhaoQi
2420d4742eSZhaoQidefine <8 x i16> @test_bitreverse_v8i16(<8 x i16> %a) nounwind {
2520d4742eSZhaoQi; CHECK-LABEL: test_bitreverse_v8i16:
2620d4742eSZhaoQi; CHECK:       # %bb.0:
27*953838dcSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 0
28*953838dcSZhaoQi; CHECK-NEXT:    bitrev.d $a0, $a0
29*953838dcSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 0
30*953838dcSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 1
31*953838dcSZhaoQi; CHECK-NEXT:    bitrev.d $a0, $a0
32*953838dcSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 1
33*953838dcSZhaoQi; CHECK-NEXT:    vshuf4i.h $vr0, $vr1, 27
3420d4742eSZhaoQi; CHECK-NEXT:    ret
3520d4742eSZhaoQi  %b = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
3620d4742eSZhaoQi  ret <8 x i16> %b
3720d4742eSZhaoQi}
3820d4742eSZhaoQi
3920d4742eSZhaoQideclare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)
4020d4742eSZhaoQi
4120d4742eSZhaoQidefine <4 x i32> @test_bitreverse_v4i32(<4 x i32> %a) nounwind {
4220d4742eSZhaoQi; CHECK-LABEL: test_bitreverse_v4i32:
4320d4742eSZhaoQi; CHECK:       # %bb.0:
44*953838dcSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 0
45*953838dcSZhaoQi; CHECK-NEXT:    bitrev.d $a0, $a0
46*953838dcSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 0
47*953838dcSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 1
48*953838dcSZhaoQi; CHECK-NEXT:    bitrev.d $a0, $a0
49*953838dcSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 1
50*953838dcSZhaoQi; CHECK-NEXT:    vshuf4i.w $vr0, $vr1, 177
5120d4742eSZhaoQi; CHECK-NEXT:    ret
5220d4742eSZhaoQi  %b = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
5320d4742eSZhaoQi  ret <4 x i32> %b
5420d4742eSZhaoQi}
5520d4742eSZhaoQi
5620d4742eSZhaoQideclare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>)
5720d4742eSZhaoQi
5820d4742eSZhaoQidefine <2 x i64> @test_bitreverse_v2i64(<2 x i64> %a) nounwind {
5920d4742eSZhaoQi; CHECK-LABEL: test_bitreverse_v2i64:
6020d4742eSZhaoQi; CHECK:       # %bb.0:
6120d4742eSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 0
6220d4742eSZhaoQi; CHECK-NEXT:    bitrev.d $a0, $a0
6320d4742eSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 0
6420d4742eSZhaoQi; CHECK-NEXT:    vpickve2gr.d $a0, $vr0, 1
6520d4742eSZhaoQi; CHECK-NEXT:    bitrev.d $a0, $a0
6620d4742eSZhaoQi; CHECK-NEXT:    vinsgr2vr.d $vr1, $a0, 1
6720d4742eSZhaoQi; CHECK-NEXT:    vori.b $vr0, $vr1, 0
6820d4742eSZhaoQi; CHECK-NEXT:    ret
6920d4742eSZhaoQi  %b = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
7020d4742eSZhaoQi  ret <2 x i64> %b
7120d4742eSZhaoQi}
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