llvm/test/CodeGen/LoongArch/lasx/bswap.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc --mtriple=loongarch32 --mattr=+32s,+lasx < %s | FileCheck %s
; RUN: llc --mtriple=loongarch64 --mattr=+lasx < %s | FileCheck %s

define void @bswap_v16i16(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: bswap_v16i16:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xvld $xr0, $a0, 0
; CHECK-NEXT:    xvshuf4i.b $xr0, $xr0, 177
; CHECK-NEXT:    xvst $xr0, $a1, 0
; CHECK-NEXT:    ret
  %v = load <16 x i16>, ptr %src
  %res = call <16 x i16> @llvm.bswap.v16i16(<16 x i16> %v)
  store <16 x i16> %res, ptr %dst
  ret void
}

define void @bswap_v8i32(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: bswap_v8i32:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xvld $xr0, $a0, 0
; CHECK-NEXT:    xvshuf4i.b $xr0, $xr0, 27
; CHECK-NEXT:    xvst $xr0, $a1, 0
; CHECK-NEXT:    ret
  %v = load <8 x i32>, ptr %src
  %res = call <8 x i32> @llvm.bswap.v8i32(<8 x i32> %v)
  store <8 x i32> %res, ptr %dst
  ret void
}

define void @bswap_v4i64(ptr %src, ptr %dst) nounwind {
; CHECK-LABEL: bswap_v4i64:
; CHECK:       # %bb.0:
; CHECK-NEXT:    xvld $xr0, $a0, 0
; CHECK-NEXT:    xvshuf4i.b $xr0, $xr0, 27
; CHECK-NEXT:    xvshuf4i.w $xr0, $xr0, 177
; CHECK-NEXT:    xvst $xr0, $a1, 0
; CHECK-NEXT:    ret
  %v = load <4 x i64>, ptr %src
  %res = call <4 x i64> @llvm.bswap.v4i64(<4 x i64> %v)
  store <4 x i64> %res, ptr %dst
  ret void
}

declare <16 x i16> @llvm.bswap.v16i16(<16 x i16>)
declare <8 x i32> @llvm.bswap.v8i32(<8 x i32>)
declare <4 x i64> @llvm.bswap.v4i64(<4 x i64>)