2002-09-09-PointerIndVar.ll 627 B

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  1. ; Induction variable pass is doing bad things with pointer induction vars,
  2. ; trying to do arithmetic on them directly.
  3. ;
  4. ; RUN: opt < %s -indvars
  5. ;
  6. define void @test(i32 %A, i32 %S, i8* %S.upgrd.1) {
  7. ; <label>:0
  8. br label %Loop
  9. Loop: ; preds = %Loop, %0
  10. %PIV = phi i8* [ %S.upgrd.1, %0 ], [ %PIVNext.upgrd.3, %Loop ] ; <i8*> [#uses=1]
  11. %PIV.upgrd.2 = ptrtoint i8* %PIV to i64 ; <i64> [#uses=1]
  12. %PIVNext = add i64 %PIV.upgrd.2, 8 ; <i64> [#uses=1]
  13. %PIVNext.upgrd.3 = inttoptr i64 %PIVNext to i8* ; <i8*> [#uses=1]
  14. br label %Loop
  15. }