File: dont-hoist-simple-loop-constants.ll

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llvm 2.2-12
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; RUN: llvm-upgrade < %s | llvm-as | opt -loop-reduce | llvm-dis | \
; RUN:   not grep {cast uint 1 to uint}
; END.
; The setlt wants to use a value that is incremented one more than the dominant
; IV.  Don't insert the 1 outside the loop, preventing folding it into the add.

implementation   ; Functions:

void %test([700 x int]* %nbeaux_.0__558, int* %i_.16574) {
then.0:
        br label %no_exit.2

no_exit.2:              ; preds = %no_exit.2, %then.0
        %indvar630 = phi uint [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ]           ; <uint> [#uses=3]
        %indvar630 = cast uint %indvar630 to int                ; <int> [#uses=1]
        %tmp.38 = getelementptr [700 x int]* %nbeaux_.0__558, int 0, uint %indvar630            ; <int*> [#uses=1]
        store int 0, int* %tmp.38
        %inc.2 = add int %indvar630, 2          ; <int> [#uses=2]
        %tmp.34 = setlt int %inc.2, 701         ; <bool> [#uses=1]
        %indvar.next631 = add uint %indvar630, 1                ; <uint> [#uses=1]
        br bool %tmp.34, label %no_exit.2, label %loopexit.2.loopexit

loopexit.2.loopexit:            ; preds = %no_exit.2
        store int %inc.2, int* %i_.16574
        ret void
}