llvm/llvm/test/CodeGen/RISCV/rvv/reg-alloc-reserve-bp.ll

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

define void @foo(ptr nocapture noundef %p1) {
; CHECK-LABEL: foo:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    addi sp, sp, -192
; CHECK-NEXT:    .cfi_def_cfa_offset 192
; CHECK-NEXT:    sd ra, 184(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s0, 176(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s1, 168(sp) # 8-byte Folded Spill
; CHECK-NEXT:    sd s2, 160(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:    addi s0, sp, 192
; CHECK-NEXT:    .cfi_def_cfa s0, 0
; CHECK-NEXT:    csrr a1, vlenb
; CHECK-NEXT:    slli a1, a1, 1
; CHECK-NEXT:    sub sp, sp, a1
; CHECK-NEXT:    andi sp, sp, -64
; CHECK-NEXT:    mv s1, sp
; CHECK-NEXT:    mv s2, a0
; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
; CHECK-NEXT:    vle32.v v8, (a0)
; CHECK-NEXT:    addi a0, s1, 160
; CHECK-NEXT:    vs2r.v v8, (a0) # Unknown-size Folded Spill
; CHECK-NEXT:    addi sp, sp, -16
; CHECK-NEXT:    addi t0, s1, 64
; CHECK-NEXT:    li a0, 1
; CHECK-NEXT:    li a1, 2
; CHECK-NEXT:    li a2, 3
; CHECK-NEXT:    li a3, 4
; CHECK-NEXT:    li a4, 5
; CHECK-NEXT:    li a5, 6
; CHECK-NEXT:    li a6, 7
; CHECK-NEXT:    li a7, 8
; CHECK-NEXT:    sd t0, 0(sp)
; CHECK-NEXT:    call bar
; CHECK-NEXT:    addi sp, sp, 16
; CHECK-NEXT:    vsetivli zero, 8, e32, m2, ta, ma
; CHECK-NEXT:    vle32.v v8, (s2)
; CHECK-NEXT:    addi a0, s1, 160
; CHECK-NEXT:    vl2r.v v10, (a0) # Unknown-size Folded Reload
; CHECK-NEXT:    vfadd.vv v8, v10, v8
; CHECK-NEXT:    vse32.v v8, (s2)
; CHECK-NEXT:    addi sp, s0, -192
; CHECK-NEXT:    ld ra, 184(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s0, 176(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s1, 168(sp) # 8-byte Folded Reload
; CHECK-NEXT:    ld s2, 160(sp) # 8-byte Folded Reload
; CHECK-NEXT:    addi sp, sp, 192
; CHECK-NEXT:    ret
entry:
  %vla = alloca [10 x i32], align 64
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %vla)
  %0 = load <8 x float>, ptr %p1, align 32
  call void @bar(i32 noundef signext 1, i32 noundef signext 2, i32 noundef signext 3, i32 noundef signext 4, i32 noundef signext 5, i32 noundef signext 6, i32 noundef signext 7, i32 noundef signext 8, ptr noundef nonnull %vla)
  %1 = load <8 x float>, ptr %p1, align 32
  %add = fadd <8 x float> %0, %1
  store <8 x float> %add, ptr %p1, align 32
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %vla)
  ret void
}

declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare void @bar(i32 noundef signext, i32 noundef signext, i32 noundef signext, i32 noundef signext, i32 noundef signext, i32 noundef signext, i32 noundef signext, i32 noundef signext, ptr noundef)

declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #1 = { argmemonly mustprogress nofree nosync nounwind willreturn }