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1; Make sure EdgeBoundles handles the case when the function size is less then 2; the number of block IDs.3; RUN: llc -regalloc=fast -optimize-regalloc=0 < %s4 5define void @foo() nounwind {6entry:7 br i1 undef, label %bb5.i1632, label %bb1.i16058 9bb1.i1605: ; preds = %entry10 br i1 undef, label %bb5.i73.i, label %bb3.i68.i11 12bb3.i68.i: ; preds = %bb1.i160513 unreachable14 15bb5.i73.i: ; preds = %bb1.i160516 br i1 undef, label %bb7.i79.i, label %bb6.i76.i17 18bb6.i76.i: ; preds = %bb5.i73.i19 unreachable20 21bb7.i79.i: ; preds = %bb5.i73.i22 br i1 undef, label %bb.i.i1608, label %bb8.i82.i23 24bb8.i82.i: ; preds = %bb7.i79.i25 unreachable26 27bb.i.i1608: ; preds = %bb.i.i1608, %bb7.i79.i28 br i1 undef, label %bb1.i.dis.preheader_crit_edge.i, label %bb.i.i160829 30bb1.i.dis.preheader_crit_edge.i: ; preds = %bb.i.i160831 br label %dis.i32 33bb3.i.i1610: ; preds = %bb8.i.i, %bb7.i.i161534 br i1 undef, label %bb5.i.i1613, label %bb4.i.i161135 36bb4.i.i1611: ; preds = %bb3.i.i161037 br label %bb5.i.i161338 39bb5.i.i1613: ; preds = %bb4.i.i1611, %bb3.i.i161040 unreachable41 42bb7.i.i1615: ; preds = %getfloder.exit.i43 br i1 undef, label %bb3.i.i1610, label %bb8.i.i44 45bb8.i.i: ; preds = %bb7.i.i161546 br i1 undef, label %bb3.i.i1610, label %bb9.i.i47 48bb9.i.i: ; preds = %bb8.i.i49 br label %bb12.i.i50 51bb12.i.i: ; preds = %bb12.i.i, %bb9.i.i52 br i1 undef, label %bb13.i.bb14.i_crit_edge.i, label %bb12.i.i53 54bb13.i.bb14.i_crit_edge.i: ; preds = %bb12.i.i55 br i1 undef, label %bb25.i.i, label %bb20.i.i56 57bb19.i.i: ; preds = %bb20.i.i58 br label %bb20.i.i59 60bb20.i.i: ; preds = %bb19.i.i, %bb13.i.bb14.i_crit_edge.i61 %or.cond.i = or i1 undef, undef62 br i1 %or.cond.i, label %bb25.i.i, label %bb19.i.i63 64bb25.i.i: ; preds = %bb20.i.i, %bb13.i.bb14.i_crit_edge.i65 unreachable66 67bb5.i1632: ; preds = %entry68 unreachable69 70dis.i: ; preds = %getfloder.exit.i, %bb1.i.dis.preheader_crit_edge.i71 br i1 undef, label %bb.i96.i, label %bb1.i102.i72 73bb.i96.i: ; preds = %dis.i74 br label %getfloder.exit.i75 76bb1.i102.i: ; preds = %dis.i77 br label %getfloder.exit.i78 79getfloder.exit.i: ; preds = %bb1.i102.i, %bb.i96.i80 br i1 undef, label %bb7.i.i1615, label %dis.i81}82