1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py 2; RUN: opt < %s -analyze -scalar-evolution -scalar-evolution-classify-expressions=0 | FileCheck %s 3 4target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" 5 6 %struct.complex = type { float, float } 7 %struct.element = type { i32, i32 } 8 %struct.node = type { %struct.node*, %struct.node*, i32 } 9@seed = external global i64 ; <i64*> [#uses=0] 10@_2E_str = external constant [18 x i8], align 1 ; <[18 x i8]*> [#uses=0] 11@_2E_str1 = external constant [4 x i8], align 1 ; <[4 x i8]*> [#uses=0] 12@value = external global float ; <float*> [#uses=0] 13@fixed = external global float ; <float*> [#uses=0] 14@floated = external global float ; <float*> [#uses=0] 15@permarray = external global [11 x i32], align 32 ; <[11 x i32]*> [#uses=0] 16@pctr = external global i32 ; <i32*> [#uses=0] 17@tree = external global %struct.node* ; <%struct.node**> [#uses=0] 18@stack = external global [4 x i32], align 16 ; <[4 x i32]*> [#uses=0] 19@cellspace = external global [19 x %struct.element], align 32 ; <[19 x %struct.element]*> [#uses=0] 20@freelist = external global i32 ; <i32*> [#uses=0] 21@movesdone = external global i32 ; <i32*> [#uses=0] 22@ima = external global [41 x [41 x i32]], align 32 ; <[41 x [41 x i32]]*> [#uses=0] 23@imb = external global [41 x [41 x i32]], align 32 ; <[41 x [41 x i32]]*> [#uses=0] 24@imr = external global [41 x [41 x i32]], align 32 ; <[41 x [41 x i32]]*> [#uses=0] 25@rma = external global [41 x [41 x float]], align 32 ; <[41 x [41 x float]]*> [#uses=0] 26@rmb = external global [41 x [41 x float]], align 32 ; <[41 x [41 x float]]*> [#uses=0] 27@rmr = external global [41 x [41 x float]], align 32 ; <[41 x [41 x float]]*> [#uses=0] 28@piececount = external global [4 x i32], align 16 ; <[4 x i32]*> [#uses=0] 29@class = external global [13 x i32], align 32 ; <[13 x i32]*> [#uses=0] 30@piecemax = external global [13 x i32], align 32 ; <[13 x i32]*> [#uses=0] 31@puzzl = external global [512 x i32], align 32 ; <[512 x i32]*> [#uses=0] 32@p = external global [13 x [512 x i32]], align 32 ; <[13 x [512 x i32]]*> [#uses=0] 33@n = external global i32 ; <i32*> [#uses=0] 34@kount = external global i32 ; <i32*> [#uses=0] 35@sortlist = external global [5001 x i32], align 32 ; <[5001 x i32]*> [#uses=0] 36@biggest = external global i32 ; <i32*> [#uses=0] 37@littlest = external global i32 ; <i32*> [#uses=0] 38@top = external global i32 ; <i32*> [#uses=0] 39@z = external global [257 x %struct.complex], align 32 ; <[257 x %struct.complex]*> [#uses=0] 40@w = external global [257 x %struct.complex], align 32 ; <[257 x %struct.complex]*> [#uses=0] 41@e = external global [130 x %struct.complex], align 32 ; <[130 x %struct.complex]*> [#uses=0] 42@zr = external global float ; <float*> [#uses=0] 43@zi = external global float ; <float*> [#uses=0] 44 45declare void @Initrand() nounwind 46 47declare i32 @Rand() nounwind 48 49declare void @Try(i32, i32*, i32*, i32*, i32*, i32*) nounwind 50 51declare i32 @puts(i8* nocapture) nounwind 52 53declare void @Queens(i32) nounwind 54 55declare i32 @printf(i8* nocapture, ...) nounwind 56 57declare i32 @main() nounwind 58 59declare void @Doit() nounwind 60 61declare void @Doit_bb7([15 x i32]*, [17 x i32]*, [9 x i32]*) nounwind 62 63define void @Doit_bb7_2E_i([9 x i32]* %x1, [15 x i32]* %c, [17 x i32]* %b, [9 x i32]* %a, i32* %q, i32* %x1.sub, i32* %b9, i32* %a10, i32* %c11) nounwind { 64; CHECK-LABEL: 'Doit_bb7_2E_i' 65; CHECK-NEXT: Determining loop execution counts for: @Doit_bb7_2E_i 66; CHECK-NEXT: Loop %bb7.i: Unpredictable backedge-taken count. 67; CHECK-NEXT: Loop %bb7.i: max backedge-taken count is 8 68; CHECK-NEXT: Loop %bb7.i: Unpredictable predicated backedge-taken count. 69; 70newFuncRoot: 71 br label %bb7.i 72 73Try.exit.exitStub: ; preds = %bb7.i 74 ret void 75 76bb.i: ; preds = %bb7.i 77 %tmp = add i32 %j.0.i, 1 ; <i32> [#uses=5] 78 store i32 0, i32* %q, align 4 79 %tmp1 = sext i32 %tmp to i64 ; <i64> [#uses=1] 80 %tmp2 = getelementptr [9 x i32], [9 x i32]* %a, i64 0, i64 %tmp1 ; <i32*> [#uses=1] 81 %tmp3 = load i32, i32* %tmp2, align 4 ; <i32> [#uses=1] 82 %tmp4 = icmp eq i32 %tmp3, 0 ; <i1> [#uses=1] 83 br i1 %tmp4, label %bb.i.bb7.i.backedge_crit_edge, label %bb1.i 84 85bb1.i: ; preds = %bb.i 86 %tmp5 = add i32 %j.0.i, 2 ; <i32> [#uses=1] 87 %tmp6 = sext i32 %tmp5 to i64 ; <i64> [#uses=1] 88 %tmp7 = getelementptr [17 x i32], [17 x i32]* %b, i64 0, i64 %tmp6 ; <i32*> [#uses=1] 89 %tmp8 = load i32, i32* %tmp7, align 4 ; <i32> [#uses=1] 90 %tmp9 = icmp eq i32 %tmp8, 0 ; <i1> [#uses=1] 91 br i1 %tmp9, label %bb1.i.bb7.i.backedge_crit_edge, label %bb2.i 92 93bb2.i: ; preds = %bb1.i 94 %tmp10 = sub i32 7, %j.0.i ; <i32> [#uses=1] 95 %tmp11 = sext i32 %tmp10 to i64 ; <i64> [#uses=1] 96 %tmp12 = getelementptr [15 x i32], [15 x i32]* %c, i64 0, i64 %tmp11 ; <i32*> [#uses=1] 97 %tmp13 = load i32, i32* %tmp12, align 4 ; <i32> [#uses=1] 98 %tmp14 = icmp eq i32 %tmp13, 0 ; <i1> [#uses=1] 99 br i1 %tmp14, label %bb2.i.bb7.i.backedge_crit_edge, label %bb3.i 100 101bb3.i: ; preds = %bb2.i 102 %tmp15 = getelementptr [9 x i32], [9 x i32]* %x1, i64 0, i64 1 ; <i32*> [#uses=1] 103 store i32 %tmp, i32* %tmp15, align 4 104 %tmp16 = sext i32 %tmp to i64 ; <i64> [#uses=1] 105 %tmp17 = getelementptr [9 x i32], [9 x i32]* %a, i64 0, i64 %tmp16 ; <i32*> [#uses=1] 106 store i32 0, i32* %tmp17, align 4 107 %tmp18 = add i32 %j.0.i, 2 ; <i32> [#uses=1] 108 %tmp19 = sext i32 %tmp18 to i64 ; <i64> [#uses=1] 109 %tmp20 = getelementptr [17 x i32], [17 x i32]* %b, i64 0, i64 %tmp19 ; <i32*> [#uses=1] 110 store i32 0, i32* %tmp20, align 4 111 %tmp21 = sub i32 7, %j.0.i ; <i32> [#uses=1] 112 %tmp22 = sext i32 %tmp21 to i64 ; <i64> [#uses=1] 113 %tmp23 = getelementptr [15 x i32], [15 x i32]* %c, i64 0, i64 %tmp22 ; <i32*> [#uses=1] 114 store i32 0, i32* %tmp23, align 4 115 call void @Try(i32 2, i32* %q, i32* %b9, i32* %a10, i32* %c11, i32* %x1.sub) nounwind 116 %tmp24 = load i32, i32* %q, align 4 ; <i32> [#uses=1] 117 %tmp25 = icmp eq i32 %tmp24, 0 ; <i1> [#uses=1] 118 br i1 %tmp25, label %bb5.i, label %bb3.i.bb7.i.backedge_crit_edge 119 120bb5.i: ; preds = %bb3.i 121 %tmp26 = sext i32 %tmp to i64 ; <i64> [#uses=1] 122 %tmp27 = getelementptr [9 x i32], [9 x i32]* %a, i64 0, i64 %tmp26 ; <i32*> [#uses=1] 123 store i32 1, i32* %tmp27, align 4 124 %tmp28 = add i32 %j.0.i, 2 ; <i32> [#uses=1] 125 %tmp29 = sext i32 %tmp28 to i64 ; <i64> [#uses=1] 126 %tmp30 = getelementptr [17 x i32], [17 x i32]* %b, i64 0, i64 %tmp29 ; <i32*> [#uses=1] 127 store i32 1, i32* %tmp30, align 4 128 %tmp31 = sub i32 7, %j.0.i ; <i32> [#uses=1] 129 %tmp32 = sext i32 %tmp31 to i64 ; <i64> [#uses=1] 130 %tmp33 = getelementptr [15 x i32], [15 x i32]* %c, i64 0, i64 %tmp32 ; <i32*> [#uses=1] 131 store i32 1, i32* %tmp33, align 4 132 br label %bb7.i.backedge 133 134bb7.i.backedge: ; preds = %bb3.i.bb7.i.backedge_crit_edge, %bb2.i.bb7.i.backedge_crit_edge, %bb1.i.bb7.i.backedge_crit_edge, %bb.i.bb7.i.backedge_crit_edge, %bb5.i 135 br label %bb7.i 136 137bb7.i: ; preds = %bb7.i.backedge, %newFuncRoot 138 %j.0.i = phi i32 [ 0, %newFuncRoot ], [ %tmp, %bb7.i.backedge ] ; <i32> [#uses=8] 139 %tmp34 = load i32, i32* %q, align 4 ; <i32> [#uses=1] 140 %tmp35 = icmp eq i32 %tmp34, 0 ; <i1> [#uses=1] 141 %tmp36 = icmp ne i32 %j.0.i, 8 ; <i1> [#uses=1] 142 %tmp37 = and i1 %tmp35, %tmp36 ; <i1> [#uses=1] 143 br i1 %tmp37, label %bb.i, label %Try.exit.exitStub 144 145bb.i.bb7.i.backedge_crit_edge: ; preds = %bb.i 146 br label %bb7.i.backedge 147 148bb1.i.bb7.i.backedge_crit_edge: ; preds = %bb1.i 149 br label %bb7.i.backedge 150 151bb2.i.bb7.i.backedge_crit_edge: ; preds = %bb2.i 152 br label %bb7.i.backedge 153 154bb3.i.bb7.i.backedge_crit_edge: ; preds = %bb3.i 155 br label %bb7.i.backedge 156} 157