| ; RUN: opt < %s -analyze -scalar-evolution \ |
| ; RUN: | grep "Loop %bb7.i: Unpredictable backedge-taken count\." |
| |
| target 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" |
| |
| %struct.complex = type { float, float } |
| %struct.element = type { i32, i32 } |
| %struct.node = type { %struct.node*, %struct.node*, i32 } |
| @seed = external global i64 ; <i64*> [#uses=0] |
| @_2E_str = external constant [18 x i8], align 1 ; <[18 x i8]*> [#uses=0] |
| @_2E_str1 = external constant [4 x i8], align 1 ; <[4 x i8]*> [#uses=0] |
| @value = external global float ; <float*> [#uses=0] |
| @fixed = external global float ; <float*> [#uses=0] |
| @floated = external global float ; <float*> [#uses=0] |
| @permarray = external global [11 x i32], align 32 ; <[11 x i32]*> [#uses=0] |
| @pctr = external global i32 ; <i32*> [#uses=0] |
| @tree = external global %struct.node* ; <%struct.node**> [#uses=0] |
| @stack = external global [4 x i32], align 16 ; <[4 x i32]*> [#uses=0] |
| @cellspace = external global [19 x %struct.element], align 32 ; <[19 x %struct.element]*> [#uses=0] |
| @freelist = external global i32 ; <i32*> [#uses=0] |
| @movesdone = external global i32 ; <i32*> [#uses=0] |
| @ima = external global [41 x [41 x i32]], align 32 ; <[41 x [41 x i32]]*> [#uses=0] |
| @imb = external global [41 x [41 x i32]], align 32 ; <[41 x [41 x i32]]*> [#uses=0] |
| @imr = external global [41 x [41 x i32]], align 32 ; <[41 x [41 x i32]]*> [#uses=0] |
| @rma = external global [41 x [41 x float]], align 32 ; <[41 x [41 x float]]*> [#uses=0] |
| @rmb = external global [41 x [41 x float]], align 32 ; <[41 x [41 x float]]*> [#uses=0] |
| @rmr = external global [41 x [41 x float]], align 32 ; <[41 x [41 x float]]*> [#uses=0] |
| @piececount = external global [4 x i32], align 16 ; <[4 x i32]*> [#uses=0] |
| @class = external global [13 x i32], align 32 ; <[13 x i32]*> [#uses=0] |
| @piecemax = external global [13 x i32], align 32 ; <[13 x i32]*> [#uses=0] |
| @puzzl = external global [512 x i32], align 32 ; <[512 x i32]*> [#uses=0] |
| @p = external global [13 x [512 x i32]], align 32 ; <[13 x [512 x i32]]*> [#uses=0] |
| @n = external global i32 ; <i32*> [#uses=0] |
| @kount = external global i32 ; <i32*> [#uses=0] |
| @sortlist = external global [5001 x i32], align 32 ; <[5001 x i32]*> [#uses=0] |
| @biggest = external global i32 ; <i32*> [#uses=0] |
| @littlest = external global i32 ; <i32*> [#uses=0] |
| @top = external global i32 ; <i32*> [#uses=0] |
| @z = external global [257 x %struct.complex], align 32 ; <[257 x %struct.complex]*> [#uses=0] |
| @w = external global [257 x %struct.complex], align 32 ; <[257 x %struct.complex]*> [#uses=0] |
| @e = external global [130 x %struct.complex], align 32 ; <[130 x %struct.complex]*> [#uses=0] |
| @zr = external global float ; <float*> [#uses=0] |
| @zi = external global float ; <float*> [#uses=0] |
| |
| declare void @Initrand() nounwind |
| |
| declare i32 @Rand() nounwind |
| |
| declare void @Try(i32, i32*, i32*, i32*, i32*, i32*) nounwind |
| |
| declare i32 @puts(i8* nocapture) nounwind |
| |
| declare void @Queens(i32) nounwind |
| |
| declare i32 @printf(i8* nocapture, ...) nounwind |
| |
| declare i32 @main() nounwind |
| |
| declare void @Doit() nounwind |
| |
| declare void @Doit_bb7([15 x i32]*, [17 x i32]*, [9 x i32]*) nounwind |
| |
| define 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 { |
| newFuncRoot: |
| br label %bb7.i |
| |
| Try.exit.exitStub: ; preds = %bb7.i |
| ret void |
| |
| bb.i: ; preds = %bb7.i |
| %tmp = add i32 %j.0.i, 1 ; <i32> [#uses=5] |
| store i32 0, i32* %q, align 4 |
| %tmp1 = sext i32 %tmp to i64 ; <i64> [#uses=1] |
| %tmp2 = getelementptr [9 x i32]* %a, i64 0, i64 %tmp1 ; <i32*> [#uses=1] |
| %tmp3 = load i32* %tmp2, align 4 ; <i32> [#uses=1] |
| %tmp4 = icmp eq i32 %tmp3, 0 ; <i1> [#uses=1] |
| br i1 %tmp4, label %bb.i.bb7.i.backedge_crit_edge, label %bb1.i |
| |
| bb1.i: ; preds = %bb.i |
| %tmp5 = add i32 %j.0.i, 2 ; <i32> [#uses=1] |
| %tmp6 = sext i32 %tmp5 to i64 ; <i64> [#uses=1] |
| %tmp7 = getelementptr [17 x i32]* %b, i64 0, i64 %tmp6 ; <i32*> [#uses=1] |
| %tmp8 = load i32* %tmp7, align 4 ; <i32> [#uses=1] |
| %tmp9 = icmp eq i32 %tmp8, 0 ; <i1> [#uses=1] |
| br i1 %tmp9, label %bb1.i.bb7.i.backedge_crit_edge, label %bb2.i |
| |
| bb2.i: ; preds = %bb1.i |
| %tmp10 = sub i32 7, %j.0.i ; <i32> [#uses=1] |
| %tmp11 = sext i32 %tmp10 to i64 ; <i64> [#uses=1] |
| %tmp12 = getelementptr [15 x i32]* %c, i64 0, i64 %tmp11 ; <i32*> [#uses=1] |
| %tmp13 = load i32* %tmp12, align 4 ; <i32> [#uses=1] |
| %tmp14 = icmp eq i32 %tmp13, 0 ; <i1> [#uses=1] |
| br i1 %tmp14, label %bb2.i.bb7.i.backedge_crit_edge, label %bb3.i |
| |
| bb3.i: ; preds = %bb2.i |
| %tmp15 = getelementptr [9 x i32]* %x1, i64 0, i64 1 ; <i32*> [#uses=1] |
| store i32 %tmp, i32* %tmp15, align 4 |
| %tmp16 = sext i32 %tmp to i64 ; <i64> [#uses=1] |
| %tmp17 = getelementptr [9 x i32]* %a, i64 0, i64 %tmp16 ; <i32*> [#uses=1] |
| store i32 0, i32* %tmp17, align 4 |
| %tmp18 = add i32 %j.0.i, 2 ; <i32> [#uses=1] |
| %tmp19 = sext i32 %tmp18 to i64 ; <i64> [#uses=1] |
| %tmp20 = getelementptr [17 x i32]* %b, i64 0, i64 %tmp19 ; <i32*> [#uses=1] |
| store i32 0, i32* %tmp20, align 4 |
| %tmp21 = sub i32 7, %j.0.i ; <i32> [#uses=1] |
| %tmp22 = sext i32 %tmp21 to i64 ; <i64> [#uses=1] |
| %tmp23 = getelementptr [15 x i32]* %c, i64 0, i64 %tmp22 ; <i32*> [#uses=1] |
| store i32 0, i32* %tmp23, align 4 |
| call void @Try(i32 2, i32* %q, i32* %b9, i32* %a10, i32* %c11, i32* %x1.sub) nounwind |
| %tmp24 = load i32* %q, align 4 ; <i32> [#uses=1] |
| %tmp25 = icmp eq i32 %tmp24, 0 ; <i1> [#uses=1] |
| br i1 %tmp25, label %bb5.i, label %bb3.i.bb7.i.backedge_crit_edge |
| |
| bb5.i: ; preds = %bb3.i |
| %tmp26 = sext i32 %tmp to i64 ; <i64> [#uses=1] |
| %tmp27 = getelementptr [9 x i32]* %a, i64 0, i64 %tmp26 ; <i32*> [#uses=1] |
| store i32 1, i32* %tmp27, align 4 |
| %tmp28 = add i32 %j.0.i, 2 ; <i32> [#uses=1] |
| %tmp29 = sext i32 %tmp28 to i64 ; <i64> [#uses=1] |
| %tmp30 = getelementptr [17 x i32]* %b, i64 0, i64 %tmp29 ; <i32*> [#uses=1] |
| store i32 1, i32* %tmp30, align 4 |
| %tmp31 = sub i32 7, %j.0.i ; <i32> [#uses=1] |
| %tmp32 = sext i32 %tmp31 to i64 ; <i64> [#uses=1] |
| %tmp33 = getelementptr [15 x i32]* %c, i64 0, i64 %tmp32 ; <i32*> [#uses=1] |
| store i32 1, i32* %tmp33, align 4 |
| br label %bb7.i.backedge |
| |
| bb7.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 |
| br label %bb7.i |
| |
| bb7.i: ; preds = %bb7.i.backedge, %newFuncRoot |
| %j.0.i = phi i32 [ 0, %newFuncRoot ], [ %tmp, %bb7.i.backedge ] ; <i32> [#uses=8] |
| %tmp34 = load i32* %q, align 4 ; <i32> [#uses=1] |
| %tmp35 = icmp eq i32 %tmp34, 0 ; <i1> [#uses=1] |
| %tmp36 = icmp ne i32 %j.0.i, 8 ; <i1> [#uses=1] |
| %tmp37 = and i1 %tmp35, %tmp36 ; <i1> [#uses=1] |
| br i1 %tmp37, label %bb.i, label %Try.exit.exitStub |
| |
| bb.i.bb7.i.backedge_crit_edge: ; preds = %bb.i |
| br label %bb7.i.backedge |
| |
| bb1.i.bb7.i.backedge_crit_edge: ; preds = %bb1.i |
| br label %bb7.i.backedge |
| |
| bb2.i.bb7.i.backedge_crit_edge: ; preds = %bb2.i |
| br label %bb7.i.backedge |
| |
| bb3.i.bb7.i.backedge_crit_edge: ; preds = %bb3.i |
| br label %bb7.i.backedge |
| } |