File: crash_gep.ll

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llvm-toolchain-9 1%3A9.0.1-16.1
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-unknown-linux-gnu | FileCheck %s

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

@a = common global i64* null, align 8

; Function Attrs: nounwind uwtable
define i32 @fn1() {
; CHECK-LABEL: @fn1(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP0:%.*]] = load i64*, i64** @a, align 8
; CHECK-NEXT:    [[ADD_PTR:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 1
; CHECK-NEXT:    [[TMP1:%.*]] = ptrtoint i64* [[ADD_PTR]] to i64
; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 2
; CHECK-NEXT:    store i64 [[TMP1]], i64* [[ARRAYIDX]], align 8
; CHECK-NEXT:    [[TMP2:%.*]] = ptrtoint i64* [[ARRAYIDX]] to i64
; CHECK-NEXT:    store i64 [[TMP2]], i64* [[ADD_PTR]], align 8
; CHECK-NEXT:    ret i32 undef
;
entry:
  %0 = load i64*, i64** @a, align 8
  %add.ptr = getelementptr inbounds i64, i64* %0, i64 1
  %1 = ptrtoint i64* %add.ptr to i64
  %arrayidx = getelementptr inbounds i64, i64* %0, i64 2
  store i64 %1, i64* %arrayidx, align 8
  %2 = ptrtoint i64* %arrayidx to i64
  store i64 %2, i64* %add.ptr, align 8
  ret i32 undef
}