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| ; RUN: opt < %s -loop-reduce -S | \
; RUN: grep "add i32 %indvar630.ui, 1"
;
; Make sure that the use of the IV outside of the loop (the store) uses the
; post incremented value of the IV, not the preincremented value. This
; prevents the loop from having to keep the post and pre-incremented value
; around for the duration of the loop, adding a copy and an extra register
; to the loop.
declare i1 @pred(i32)
define void @test([700 x i32]* %nbeaux_.0__558, i32* %i_.16574) {
then.0:
br label %no_exit.2
no_exit.2: ; preds = %no_exit.2, %then.0
%indvar630.ui = phi i32 [ 0, %then.0 ], [ %indvar.next631, %no_exit.2 ] ; <i32> [#uses=3]
%indvar630 = bitcast i32 %indvar630.ui to i32 ; <i32> [#uses=2]
%gep.upgrd.1 = zext i32 %indvar630.ui to i64 ; <i64> [#uses=1]
%tmp.38 = getelementptr [700 x i32], [700 x i32]* %nbeaux_.0__558, i32 0, i64 %gep.upgrd.1 ; <i32*> [#uses=1]
store i32 0, i32* %tmp.38
%inc.2 = add i32 %indvar630, 2 ; <i32> [#uses=1]
%tmp.34 = call i1 @pred( i32 %indvar630 ) ; <i1> [#uses=1]
%indvar.next631 = add i32 %indvar630.ui, 1 ; <i32> [#uses=1]
br i1 %tmp.34, label %no_exit.2, label %loopexit.2.loopexit
loopexit.2.loopexit: ; preds = %no_exit.2
store i32 %inc.2, i32* %i_.16574
ret void
}
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