LLVM shift test

shift.ll

; RUN: opt < %s -constprop -S | FileCheck %s

; CHECK-LABEL: shift_undef_65
define void @shift_undef_65(i65* %p) {
  %r1 = lshr i65 2, 18446744073709551617
  ; CHECK: store i65 undef, %p
  store i65 %r1, i65* %p

  %r2 = ashr i65 4, 18446744073709551617
  ; CHECK: store i65 undef, %p
  store i65 %r2, i65* %p

  %r3 = shl i65 1, 18446744073709551617
  ; CHECK: store i65 undef, %p
  store i65 %r3, i65* %p

  ret void
}

; CHECK-LABEL: shift_undef_256
define void @shift_undef_256(i256* %p) {
  %r1 = lshr i256 2, 18446744073709551617
  ; CHECK: store i256 undef, %p
  store i256 %r1, i256* %p

  %r2 = ashr i256 4, 18446744073709551618
  ; CHECK: store i256 undef, %p
  store i256 %r2, i256* %p

  %r3 = shl i256 1, 18446744073709551619
  ; CHECK: store i256 undef, %p
  store i256 %r3, i256* %p

  ret void
}

; CHECK-LABEL: shift_undef_511
define void @shift_undef_511(i511* %p) {
  %r1 = lshr i511 -1, 1208925819614629174706276 ; 2^80 + 100
  ; CHECK: store i511 undef, %p
  store i511 %r1, i511* %p

  %r2 = ashr i511 -2, 1208925819614629174706200
  ; CHECK: store i511 undef, %p
  store i511 %r2, i511* %p

  %r3 = shl i511 -3, 1208925819614629174706180
  ; CHECK: store i511 undef, %p
  store i511 %r3, i511* %p

  ret void
}