xref: /llvm-project/llvm/test/CodeGen/LoongArch/lsx/bswap.ll (revision f246b5f547cffeb4e9e7783e68fdb50edf193ef1)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
2; RUN: llc --mtriple=loongarch64 --mattr=+lsx < %s | FileCheck %s
3
4define void @bswap_v8i16(ptr %src, ptr %dst) nounwind {
5; CHECK-LABEL: bswap_v8i16:
6; CHECK:       # %bb.0:
7; CHECK-NEXT:    vld $vr0, $a0, 0
8; CHECK-NEXT:    vshuf4i.b $vr0, $vr0, 177
9; CHECK-NEXT:    vst $vr0, $a1, 0
10; CHECK-NEXT:    ret
11  %v = load <8 x i16>, ptr %src
12  %res = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %v)
13  store <8 x i16> %res, ptr %dst
14  ret void
15}
16
17define void @bswap_v4i32(ptr %src, ptr %dst) nounwind {
18; CHECK-LABEL: bswap_v4i32:
19; CHECK:       # %bb.0:
20; CHECK-NEXT:    vld $vr0, $a0, 0
21; CHECK-NEXT:    vshuf4i.b $vr0, $vr0, 27
22; CHECK-NEXT:    vst $vr0, $a1, 0
23; CHECK-NEXT:    ret
24  %v = load <4 x i32>, ptr %src
25  %res = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %v)
26  store <4 x i32> %res, ptr %dst
27  ret void
28}
29
30define void @bswap_v2i64(ptr %src, ptr %dst) nounwind {
31; CHECK-LABEL: bswap_v2i64:
32; CHECK:       # %bb.0:
33; CHECK-NEXT:    vld $vr0, $a0, 0
34; CHECK-NEXT:    vshuf4i.b $vr0, $vr0, 27
35; CHECK-NEXT:    vshuf4i.w $vr0, $vr0, 177
36; CHECK-NEXT:    vst $vr0, $a1, 0
37; CHECK-NEXT:    ret
38  %v = load <2 x i64>, ptr %src
39  %res = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %v)
40  store <2 x i64> %res, ptr %dst
41  ret void
42}
43
44declare <8 x i16> @llvm.bswap.v8i16(<8 x i16>)
45declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>)
46declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>)
47