llvm/test/CodeGen/RISCV/rvv/65704-illegal-instruction.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; RUN: llc -mtriple=riscv64 -mattr=+v,+f,+m,+zvfh \
; RUN:  < %s | FileCheck %s

declare <16 x i8> @llvm.vector.extract.v16i8.nxv8i8(<vscale x 8 x i8>, i64 immarg)
declare <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v16i8(<vscale x 8 x i8>, <16 x i8>, i64 immarg)
declare <vscale x 8 x i8> @llvm.riscv.vslideup.nxv8i8.i64(<vscale x 8 x i8>, <vscale x 8 x i8>, i64, i64, i64 immarg)
declare <vscale x 2 x i32> @llvm.vector.insert.nxv2i32.v4i32(<vscale x 2 x i32>, <4 x i32>, i64 immarg)

define void @foo(<vscale x 8 x i8> %0) {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi sp, sp, -32
; CHECK-NEXT:    .cfi_def_cfa_offset 32
; CHECK-NEXT:    sd ra, 24(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s0, 16(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s1, 8(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s2, 0(sp) # 8-byte Folded Spill
; CHECK-NEXT:    .cfi_offset ra, -8
; CHECK-NEXT:    .cfi_offset s0, -16
; CHECK-NEXT:    .cfi_offset s1, -24
; CHECK-NEXT:    .cfi_offset s2, -32
; CHECK-NEXT:    li s0, 0
; CHECK-NEXT:    vsetvli a0, zero, e8, m1, ta, ma
; CHECK-NEXT:    vmv.v.i v9, 0
; CHECK-NEXT:    vsetivli zero, 0, e8, m1, tu, ma
; CHECK-NEXT:    vslideup.vi v9, v10, 0
; CHECK-NEXT:    vslideup.vi v8, v10, 0
; CHECK-NEXT:    vsetvli zero, zero, e64, m8, ta, ma
; CHECK-NEXT:    vmv.x.s s1, v9
; CHECK-NEXT:    vmv.x.s s2, v8
; CHECK-NEXT:  .LBB0_1: # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    mv a0, s1
; CHECK-NEXT:    mv a1, s0
; CHECK-NEXT:    mv a2, s2
; CHECK-NEXT:    mv a3, s0
; CHECK-NEXT:    mv a4, s0
; CHECK-NEXT:    mv a5, s0
; CHECK-NEXT:    jalr s0
; CHECK-NEXT:    j .LBB0_1
  %2 = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v16i8(<vscale x 8 x i8> undef, <16 x i8> undef, i64 0)
  %3 = tail call <vscale x 8 x i8> @llvm.vector.insert.nxv8i8.v16i8(<vscale x 8 x i8> undef, <16 x i8> poison, i64 0)
  br label %4

4:                                                ; preds = %4, %1
  %5 = tail call <vscale x 8 x i8> @llvm.riscv.vslideup.nxv8i8.i64(<vscale x 8 x i8> zeroinitializer, <vscale x 8 x i8> %2, i64 0, i64 0, i64 0)
  %6 = tail call <16 x i8> @llvm.vector.extract.v16i8.nxv8i8(<vscale x 8 x i8> %5, i64 0)
  %7 = bitcast <16 x i8> %6 to <2 x i64>
  %8 = extractelement <2 x i64> %7, i64 0
  %9 = insertvalue [2 x i64] zeroinitializer, i64 %8, 0
  %10 = tail call <vscale x 8 x i8> @llvm.riscv.vslideup.nxv8i8.i64(<vscale x 8 x i8> %0, <vscale x 8 x i8> %3, i64 0, i64 0, i64 0)
  %11 = tail call <16 x i8> @llvm.vector.extract.v16i8.nxv8i8(<vscale x 8 x i8> %10, i64 0)
  %12 = bitcast <16 x i8> %11 to <2 x i64>
  %13 = extractelement <2 x i64> %12, i64 0
  %14 = insertvalue [2 x i64] zeroinitializer, i64 %13, 0
  %15 = tail call fastcc [2 x i64] null([2 x i64] %9, [2 x i64] %14, [2 x i64] zeroinitializer)
  br label %4
}