; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
; RUN: llc -mtriple aarch64 -verify-machineinstrs -global-isel < %s -o - | FileCheck %s

; https://github.com/llvm/llvm-project/issues/166541

; Verify this doesnt crash
define void @pr166541(i1 %arg, ptr %arg1) {
; CHECK-LABEL: pr166541:
; CHECK:       // %bb.0: // %bb
; CHECK-NEXT:    tst w0, #0x1
; CHECK-NEXT:    csel w8, wzr, w0, ne
; CHECK-NEXT:    strb w8, [x1]
; CHECK-NEXT:    ret
bb:
  br i1 %arg, label %bb3, label %bb2

bb2:
  %icmp = icmp ult i32 0, 0
  %and = and i1 %arg, true
  %select = select i1 %and, i8 1, i8 0
  br label %bb3

bb3:
  %phi = phi i8 [ %select, %bb2 ], [ 0, %bb ]
  %freeze = freeze i8 %phi
  store i8 %freeze, ptr %arg1, align 1
  ret void
}