; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -S -passes=instsimplify < %s | FileCheck %s

target datalayout = "p:16:16:16:8"

; The GEP should only modify the low 8 bits of the pointer.
define ptr @test() {
; CHECK-LABEL: define ptr @test() {
; CHECK-NEXT:    ret ptr inttoptr (i16 -256 to ptr)
;
  %base = inttoptr i16 -1 to ptr
  %gep = getelementptr i8, ptr %base, i8 1
  ret ptr %gep
}