llvm/llvm/test/CodeGen/RISCV/rvv/fixed-vectors-bitcast-large-vector.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -mattr=+v,+zvl256b -verify-machineinstrs < %s | FileCheck %s --check-prefix=VLEN256
; RUN: llc -mtriple=riscv64 -mattr=+v,+zvl512b -verify-machineinstrs < %s | FileCheck %s --check-prefix=VLEN512
; RUN: llc -mtriple=riscv64 -mattr=+v,+zvl1024b -verify-machineinstrs < %s | FileCheck %s --check-prefix=VLEN1024

define <512 x i8> @bitcast_1024B(<256 x i16> %a, <512 x i8> %b) {
; VLEN256-LABEL: bitcast_1024B:
; VLEN256:       # %bb.0:
; VLEN256-NEXT:    addi a1, a0, 256
; VLEN256-NEXT:    li a2, 256
; VLEN256-NEXT:    vsetvli zero, a2, e8, m8, ta, ma
; VLEN256-NEXT:    vle8.v v24, (a0)
; VLEN256-NEXT:    vle8.v v0, (a1)
; VLEN256-NEXT:    vadd.vv v8, v24, v8
; VLEN256-NEXT:    vadd.vv v16, v0, v16
; VLEN256-NEXT:    ret
;
; VLEN512-LABEL: bitcast_1024B:
; VLEN512:       # %bb.0:
; VLEN512-NEXT:    li a0, 512
; VLEN512-NEXT:    vsetvli zero, a0, e8, m8, ta, ma
; VLEN512-NEXT:    vadd.vv v8, v16, v8
; VLEN512-NEXT:    ret
;
; VLEN1024-LABEL: bitcast_1024B:
; VLEN1024:       # %bb.0:
; VLEN1024-NEXT:    li a0, 512
; VLEN1024-NEXT:    vsetvli zero, a0, e8, m4, ta, ma
; VLEN1024-NEXT:    vadd.vv v8, v12, v8
; VLEN1024-NEXT:    ret
  %c = bitcast <256 x i16> %a to <512 x i8>
  %v = add <512 x i8> %b, %c
  ret <512 x i8> %v
}