1; RUN: opt < %s -lowerswitch -S | FileCheck %s 2 3; We have switch on input. 4; On output we should got binary comparison tree. Check that all is fine. 5 6;CHECK: entry: 7;CHECK-NEXT: br label %NodeBlock37 8 9;CHECK: NodeBlock37: ; preds = %entry 10;CHECK-NEXT: %Pivot38 = icmp slt i32 %tmp158, 10 11;CHECK-NEXT: br i1 %Pivot38, label %NodeBlock13, label %NodeBlock35 12 13;CHECK: NodeBlock35: ; preds = %NodeBlock37 14;CHECK-NEXT: %Pivot36 = icmp slt i32 %tmp158, 13 15;CHECK-NEXT: br i1 %Pivot36, label %NodeBlock23, label %NodeBlock33 16 17;CHECK: NodeBlock33: ; preds = %NodeBlock35 18;CHECK-NEXT: %Pivot34 = icmp slt i32 %tmp158, 14 19;CHECK-NEXT: br i1 %Pivot34, label %LeafBlock25, label %NodeBlock31 20 21;CHECK: NodeBlock31: ; preds = %NodeBlock33 22;CHECK-NEXT: %Pivot32 = icmp slt i32 %tmp158, 15 23;CHECK-NEXT: br i1 %Pivot32, label %LeafBlock27, label %LeafBlock29 24 25;CHECK: LeafBlock29: ; preds = %NodeBlock31 26;CHECK-NEXT: %SwitchLeaf30 = icmp eq i32 %tmp158, 15 27;CHECK-NEXT: br i1 %SwitchLeaf30, label %bb334, label %NewDefault 28 29;CHECK: LeafBlock27: ; preds = %NodeBlock31 30;CHECK-NEXT: %SwitchLeaf28 = icmp eq i32 %tmp158, 14 31;CHECK-NEXT: br i1 %SwitchLeaf28, label %bb332, label %NewDefault 32 33;CHECK: LeafBlock25: ; preds = %NodeBlock33 34;CHECK-NEXT: %SwitchLeaf26 = icmp eq i32 %tmp158, 13 35;CHECK-NEXT: br i1 %SwitchLeaf26, label %bb330, label %NewDefault 36 37;CHECK: NodeBlock23: ; preds = %NodeBlock35 38;CHECK-NEXT: %Pivot24 = icmp slt i32 %tmp158, 11 39;CHECK-NEXT: br i1 %Pivot24, label %LeafBlock15, label %NodeBlock21 40 41;CHECK: NodeBlock21: ; preds = %NodeBlock23 42;CHECK-NEXT: %Pivot22 = icmp slt i32 %tmp158, 12 43;CHECK-NEXT: br i1 %Pivot22, label %LeafBlock17, label %LeafBlock19 44 45;CHECK: LeafBlock19: ; preds = %NodeBlock21 46;CHECK-NEXT: %SwitchLeaf20 = icmp eq i32 %tmp158, 12 47;CHECK-NEXT: br i1 %SwitchLeaf20, label %bb328, label %NewDefault 48 49;CHECK: LeafBlock17: ; preds = %NodeBlock21 50;CHECK-NEXT: %SwitchLeaf18 = icmp eq i32 %tmp158, 11 51;CHECK-NEXT: br i1 %SwitchLeaf18, label %bb326, label %NewDefault 52 53;CHECK: LeafBlock15: ; preds = %NodeBlock23 54;CHECK-NEXT: %SwitchLeaf16 = icmp eq i32 %tmp158, 10 55;CHECK-NEXT: br i1 %SwitchLeaf16, label %bb324, label %NewDefault 56 57;CHECK: NodeBlock13: ; preds = %NodeBlock37 58;CHECK-NEXT: %Pivot14 = icmp slt i32 %tmp158, 7 59;CHECK-NEXT: br i1 %Pivot14, label %NodeBlock, label %NodeBlock11 60 61;CHECK: NodeBlock11: ; preds = %NodeBlock13 62;CHECK-NEXT: %Pivot12 = icmp slt i32 %tmp158, 8 63;CHECK-NEXT: br i1 %Pivot12, label %LeafBlock3, label %NodeBlock9 64 65;CHECK: NodeBlock9: ; preds = %NodeBlock11 66;CHECK-NEXT: %Pivot10 = icmp slt i32 %tmp158, 9 67;CHECK-NEXT: br i1 %Pivot10, label %LeafBlock5, label %LeafBlock7 68 69;CHECK: LeafBlock7: ; preds = %NodeBlock9 70;CHECK-NEXT: %SwitchLeaf8 = icmp eq i32 %tmp158, 9 71;CHECK-NEXT: br i1 %SwitchLeaf8, label %bb322, label %NewDefault 72 73;CHECK: LeafBlock5: ; preds = %NodeBlock9 74;CHECK-NEXT: %SwitchLeaf6 = icmp eq i32 %tmp158, 8 75;CHECK-NEXT: br i1 %SwitchLeaf6, label %bb338, label %NewDefault 76 77;CHECK: LeafBlock3: ; preds = %NodeBlock11 78;CHECK-NEXT: %SwitchLeaf4 = icmp eq i32 %tmp158, 7 79;CHECK-NEXT: br i1 %SwitchLeaf4, label %bb, label %NewDefault 80 81;CHECK: NodeBlock: ; preds = %NodeBlock13 82;CHECK-NEXT: %Pivot = icmp slt i32 %tmp158, 0 83;CHECK-NEXT: br i1 %Pivot, label %LeafBlock, label %LeafBlock1 84 85;CHECK: LeafBlock1: ; preds = %NodeBlock 86;CHECK-NEXT: %SwitchLeaf2 = icmp ule i32 %tmp158, 6 87;CHECK-NEXT: br i1 %SwitchLeaf2, label %bb338, label %NewDefault 88 89;CHECK: LeafBlock: ; preds = %NodeBlock 90;CHECK-NEXT: %tmp158.off = add i32 %tmp158, 6 91;CHECK-NEXT: %SwitchLeaf = icmp ule i32 %tmp158.off, 4 92;CHECK-NEXT: br i1 %SwitchLeaf, label %bb338, label %NewDefault 93 94define i32 @main(i32 %tmp158) { 95entry: 96 97 switch i32 %tmp158, label %bb336 [ 98 i32 -2, label %bb338 99 i32 -3, label %bb338 100 i32 -4, label %bb338 101 i32 -5, label %bb338 102 i32 -6, label %bb338 103 i32 0, label %bb338 104 i32 1, label %bb338 105 i32 2, label %bb338 106 i32 3, label %bb338 107 i32 4, label %bb338 108 i32 5, label %bb338 109 i32 6, label %bb338 110 i32 7, label %bb 111 i32 8, label %bb338 112 i32 9, label %bb322 113 i32 10, label %bb324 114 i32 11, label %bb326 115 i32 12, label %bb328 116 i32 13, label %bb330 117 i32 14, label %bb332 118 i32 15, label %bb334 119 ] 120bb: 121 ret i32 2 122bb322: 123 ret i32 3 124bb324: 125 ret i32 4 126bb326: 127 ret i32 5 128bb328: 129 ret i32 6 130bb330: 131 ret i32 7 132bb332: 133 ret i32 8 134bb334: 135 ret i32 9 136bb336: 137 ret i32 10 138bb338: 139 ret i32 11 140} 141