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|
; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
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"
; CHECK: Loop %bb7.i: Unpredictable backedge-taken count.
%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
}
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