1; RUN: opt < %s -analyze -scalar-evolution | not grep {/u -1} 2; PR3275 3 4@g_16 = external global i16 ; <i16*> [#uses=3] 5@.str = external constant [4 x i8] ; <[4 x i8]*> [#uses=0] 6 7define void @func_15() nounwind { 8entry: 9 %0 = load i16* @g_16, align 2 ; <i16> [#uses=1] 10 %1 = icmp sgt i16 %0, 0 ; <i1> [#uses=1] 11 br i1 %1, label %bb2, label %bb.nph 12 13bb.nph: ; preds = %entry 14 %g_16.promoted = load i16* @g_16 ; <i16> [#uses=1] 15 br label %bb 16 17bb: ; preds = %bb1, %bb.nph 18 %g_16.tmp.0 = phi i16 [ %g_16.promoted, %bb.nph ], [ %2, %bb1 ] ; <i16> [#uses=1] 19 %2 = add i16 %g_16.tmp.0, -1 ; <i16> [#uses=3] 20 br label %bb1 21 22bb1: ; preds = %bb 23 %3 = icmp sgt i16 %2, 0 ; <i1> [#uses=1] 24 br i1 %3, label %bb1.bb2_crit_edge, label %bb 25 26bb1.bb2_crit_edge: ; preds = %bb1 27 store i16 %2, i16* @g_16 28 br label %bb2 29 30bb2: ; preds = %bb1.bb2_crit_edge, %entry 31 br label %return 32 33return: ; preds = %bb2 34 ret void 35} 36 37declare i32 @main() nounwind 38 39declare i32 @printf(i8*, ...) nounwind 40 41