llvm/test/CodeGen/RISCV/rvv/pr171231.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc < %s -mtriple=riscv64 -mattr=+v | FileCheck %s

; Test for crash reported in post commit for #17231.

define <vscale x 1 x double> @crash_func(<vscale x 1 x double> %a, <vscale x 1 x i1> %mask, <vscale x 1 x double> %b, <vscale x 1 x double> %c, i32 %evl) {
; CHECK-LABEL: crash_func:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    addi sp, sp, -48
; CHECK-NEXT:    .cfi_def_cfa_offset 48
; CHECK-NEXT:    sd ra, 40(sp) # 8-byte Folded Spill
; CHECK-NEXT:    .cfi_offset ra, -8
; CHECK-NEXT:    csrr a1, vlenb
; CHECK-NEXT:    slli a1, a1, 1
; CHECK-NEXT:    sub sp, sp, a1
; CHECK-NEXT:    .cfi_escape 0x0f, 0x0d, 0x72, 0x00, 0x11, 0x30, 0x22, 0x11, 0x02, 0x92, 0xa2, 0x38, 0x00, 0x1e, 0x22 # sp + 48 + 2 * vlenb
; CHECK-NEXT:    csrr a1, vlenb
; CHECK-NEXT:    add a1, sp, a1
; CHECK-NEXT:    addi a1, a1, 32
; CHECK-NEXT:    vs1r.v v10, (a1) # vscale x 8-byte Folded Spill
; CHECK-NEXT:    addi a1, sp, 32
; CHECK-NEXT:    vs1r.v v9, (a1) # vscale x 8-byte Folded Spill
; CHECK-NEXT:    call foo
; CHECK-NEXT:    csrr a0, vlenb
; CHECK-NEXT:    add a0, sp, a0
; CHECK-NEXT:    addi a0, a0, 32
; CHECK-NEXT:    vl1r.v v9, (a0) # vscale x 8-byte Folded Reload
; CHECK-NEXT:    addi a0, sp, 32
; CHECK-NEXT:    vl1r.v v10, (a0) # vscale x 8-byte Folded Reload
; CHECK-NEXT:    vsetvli a0, zero, e64, m1, ta, ma
; CHECK-NEXT:    vfmadd.vv v8, v10, v9
; CHECK-NEXT:    csrr a0, vlenb
; CHECK-NEXT:    slli a0, a0, 1
; CHECK-NEXT:    add sp, sp, a0
; CHECK-NEXT:    .cfi_def_cfa sp, 48
; CHECK-NEXT:    ld ra, 40(sp) # 8-byte Folded Reload
; CHECK-NEXT:    .cfi_restore ra
; CHECK-NEXT:    addi sp, sp, 48
; CHECK-NEXT:    .cfi_def_cfa_offset 0
; CHECK-NEXT:    ret
entry:
  %0 = call <vscale x 1 x double> @foo(<vscale x 1 x double> %a, <vscale x 1 x i1> %mask, i32 %evl)
  %1 = call <vscale x 1 x double> @llvm.vp.fmuladd.nxv1f64(<vscale x 1 x double> %b, <vscale x 1 x double> %0, <vscale x 1 x double> %c, <vscale x 1 x i1> %mask, i32 %evl)
  ret <vscale x 1 x double> %1
}

declare <vscale x 1 x double> @foo(<vscale x 1 x double>, <vscale x 1 x i1>, i32)

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare <vscale x 1 x double> @llvm.vp.fmuladd.nxv1f64(<vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x double>, <vscale x 1 x i1>, i32) #0

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }