test/Transforms/InstCombine/PR30597.ll

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

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: readonly uwtable
define i1 @dot_ref_s(i32** noalias nocapture readonly dereferenceable(8)) {
entry-block:
  %loadedptr = load i32*, i32** %0, align 8, !nonnull !0
  %ptrtoint = ptrtoint i32* %loadedptr to i64
  %inttoptr = inttoptr i64 %ptrtoint to i32*
  %switchtmp = icmp eq i32* %inttoptr, null
  ret i1 %switchtmp

; CHECK-LABEL: @dot_ref_s
; CHECK-NEXT: entry-block:
; CHECK-NEXT: ret i1 false
}

; Function Attrs: readonly uwtable
define i64* @function(i64* noalias nocapture readonly dereferenceable(8)) {
entry-block:
  %loaded = load i64, i64* %0, align 8, !range !1
  %inttoptr = inttoptr i64 %loaded to i64*
  ret i64* %inttoptr
; CHECK-LABEL: @function
; CHECK: %{{.+}} = load i64*, i64** %{{.+}}, align 8, !nonnull
}


!0 = !{}
!1 = !{i64 1, i64 140737488355327}