YouCompleteMe/cpp/llvm/test/Transforms/IndVarSimplify/2002-09-09-PointerIndVar.ll
2012-07-05 17:51:06 -07:00

18 lines
627 B
LLVM

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