; 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 ] ; [#uses=3] %indvar630 = bitcast i32 %indvar630.ui to i32 ; [#uses=2] %gep.upgrd.1 = zext i32 %indvar630.ui to i64 ; [#uses=1] %tmp.38 = getelementptr [700 x i32], [700 x i32]* %nbeaux_.0__558, i32 0, i64 %gep.upgrd.1 ; [#uses=1] store i32 0, i32* %tmp.38 %inc.2 = add i32 %indvar630, 2 ; [#uses=1] %tmp.34 = call i1 @pred( i32 %indvar630 ) ; [#uses=1] %indvar.next631 = add i32 %indvar630.ui, 1 ; [#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 }