|  | ; RUN: opt < %s -inline -argpromotion -disable-output | 
|  | ; ModuleID = '<stdin>' | 
|  | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" | 
|  | target triple = "i386-apple-darwin9.6" | 
|  | %struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* } | 
|  | @NumNodes = external global i32		; <i32*> [#uses=0] | 
|  | @"\01LC" = external constant [43 x i8]		; <[43 x i8]*> [#uses=0] | 
|  | @"\01LC1" = external constant [19 x i8]		; <[19 x i8]*> [#uses=0] | 
|  | @"\01LC2" = external constant [17 x i8]		; <[17 x i8]*> [#uses=0] | 
|  |  | 
|  | declare i32 @dealwithargs(i32, i8** nocapture) nounwind | 
|  |  | 
|  | declare i32 @atoi(i8*) | 
|  |  | 
|  | define internal fastcc i32 @adj(i32 %d, i32 %ct) nounwind readnone { | 
|  | entry: | 
|  | switch i32 %d, label %return [ | 
|  | i32 0, label %bb | 
|  | i32 1, label %bb10 | 
|  | i32 2, label %bb5 | 
|  | i32 3, label %bb15 | 
|  | ] | 
|  |  | 
|  | bb:		; preds = %entry | 
|  | switch i32 %ct, label %bb3 [ | 
|  | i32 1, label %return | 
|  | i32 0, label %return | 
|  | ] | 
|  |  | 
|  | bb3:		; preds = %bb | 
|  | ret i32 0 | 
|  |  | 
|  | bb5:		; preds = %entry | 
|  | switch i32 %ct, label %bb8 [ | 
|  | i32 3, label %return | 
|  | i32 2, label %return | 
|  | ] | 
|  |  | 
|  | bb8:		; preds = %bb5 | 
|  | ret i32 0 | 
|  |  | 
|  | bb10:		; preds = %entry | 
|  | switch i32 %ct, label %bb13 [ | 
|  | i32 1, label %return | 
|  | i32 3, label %return | 
|  | ] | 
|  |  | 
|  | bb13:		; preds = %bb10 | 
|  | ret i32 0 | 
|  |  | 
|  | bb15:		; preds = %entry | 
|  | switch i32 %ct, label %bb18 [ | 
|  | i32 2, label %return | 
|  | i32 0, label %return | 
|  | ] | 
|  |  | 
|  | bb18:		; preds = %bb15 | 
|  | ret i32 0 | 
|  |  | 
|  | return:		; preds = %bb15, %bb15, %bb10, %bb10, %bb5, %bb5, %bb, %bb, %entry | 
|  | ret i32 1 | 
|  | } | 
|  |  | 
|  | declare fastcc i32 @reflect(i32, i32) nounwind readnone | 
|  |  | 
|  | declare i32 @CountTree(%struct.quad_struct* nocapture) nounwind readonly | 
|  |  | 
|  | define internal fastcc %struct.quad_struct* @child(%struct.quad_struct* nocapture %tree, i32 %ct) nounwind readonly { | 
|  | entry: | 
|  | switch i32 %ct, label %bb5 [ | 
|  | i32 0, label %bb1 | 
|  | i32 1, label %bb | 
|  | i32 2, label %bb3 | 
|  | i32 3, label %bb2 | 
|  | ] | 
|  |  | 
|  | bb:		; preds = %entry | 
|  | %0 = getelementptr %struct.quad_struct* %tree, i32 0, i32 3		; <%struct.quad_struct**> [#uses=1] | 
|  | %1 = load %struct.quad_struct** %0, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | ret %struct.quad_struct* %1 | 
|  |  | 
|  | bb1:		; preds = %entry | 
|  | %2 = getelementptr %struct.quad_struct* %tree, i32 0, i32 2		; <%struct.quad_struct**> [#uses=1] | 
|  | %3 = load %struct.quad_struct** %2, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | ret %struct.quad_struct* %3 | 
|  |  | 
|  | bb2:		; preds = %entry | 
|  | %4 = getelementptr %struct.quad_struct* %tree, i32 0, i32 5		; <%struct.quad_struct**> [#uses=1] | 
|  | %5 = load %struct.quad_struct** %4, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | ret %struct.quad_struct* %5 | 
|  |  | 
|  | bb3:		; preds = %entry | 
|  | %6 = getelementptr %struct.quad_struct* %tree, i32 0, i32 4		; <%struct.quad_struct**> [#uses=1] | 
|  | %7 = load %struct.quad_struct** %6, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | ret %struct.quad_struct* %7 | 
|  |  | 
|  | bb5:		; preds = %entry | 
|  | ret %struct.quad_struct* null | 
|  | } | 
|  |  | 
|  | define internal fastcc %struct.quad_struct* @gtequal_adj_neighbor(%struct.quad_struct* nocapture %tree, i32 %d) nounwind readonly { | 
|  | entry: | 
|  | %0 = getelementptr %struct.quad_struct* %tree, i32 0, i32 6		; <%struct.quad_struct**> [#uses=1] | 
|  | %1 = load %struct.quad_struct** %0, align 4		; <%struct.quad_struct*> [#uses=4] | 
|  | %2 = getelementptr %struct.quad_struct* %tree, i32 0, i32 1		; <i32*> [#uses=1] | 
|  | %3 = load i32* %2, align 4		; <i32> [#uses=2] | 
|  | %4 = icmp eq %struct.quad_struct* %1, null		; <i1> [#uses=1] | 
|  | br i1 %4, label %bb3, label %bb | 
|  |  | 
|  | bb:		; preds = %entry | 
|  | %5 = call fastcc i32 @adj(i32 %d, i32 %3) nounwind		; <i32> [#uses=1] | 
|  | %6 = icmp eq i32 %5, 0		; <i1> [#uses=1] | 
|  | br i1 %6, label %bb3, label %bb1 | 
|  |  | 
|  | bb1:		; preds = %bb | 
|  | %7 = call fastcc %struct.quad_struct* @gtequal_adj_neighbor(%struct.quad_struct* %1, i32 %d) nounwind		; <%struct.quad_struct*> [#uses=1] | 
|  | br label %bb3 | 
|  |  | 
|  | bb3:		; preds = %bb1, %bb, %entry | 
|  | %q.0 = phi %struct.quad_struct* [ %7, %bb1 ], [ %1, %bb ], [ %1, %entry ]		; <%struct.quad_struct*> [#uses=4] | 
|  | %8 = icmp eq %struct.quad_struct* %q.0, null		; <i1> [#uses=1] | 
|  | br i1 %8, label %bb7, label %bb4 | 
|  |  | 
|  | bb4:		; preds = %bb3 | 
|  | %9 = getelementptr %struct.quad_struct* %q.0, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %10 = load i32* %9, align 4		; <i32> [#uses=1] | 
|  | %11 = icmp eq i32 %10, 2		; <i1> [#uses=1] | 
|  | br i1 %11, label %bb5, label %bb7 | 
|  |  | 
|  | bb5:		; preds = %bb4 | 
|  | %12 = call fastcc i32 @reflect(i32 %d, i32 %3) nounwind		; <i32> [#uses=1] | 
|  | %13 = call fastcc %struct.quad_struct* @child(%struct.quad_struct* %q.0, i32 %12) nounwind		; <%struct.quad_struct*> [#uses=1] | 
|  | ret %struct.quad_struct* %13 | 
|  |  | 
|  | bb7:		; preds = %bb4, %bb3 | 
|  | ret %struct.quad_struct* %q.0 | 
|  | } | 
|  |  | 
|  | declare fastcc i32 @sum_adjacent(%struct.quad_struct* nocapture, i32, i32, i32) nounwind readonly | 
|  |  | 
|  | define i32 @perimeter(%struct.quad_struct* nocapture %tree, i32 %size) nounwind readonly { | 
|  | entry: | 
|  | %0 = getelementptr %struct.quad_struct* %tree, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %1 = load i32* %0, align 4		; <i32> [#uses=1] | 
|  | %2 = icmp eq i32 %1, 2		; <i1> [#uses=1] | 
|  | br i1 %2, label %bb, label %bb2 | 
|  |  | 
|  | bb:		; preds = %entry | 
|  | %3 = getelementptr %struct.quad_struct* %tree, i32 0, i32 4		; <%struct.quad_struct**> [#uses=1] | 
|  | %4 = load %struct.quad_struct** %3, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | %5 = sdiv i32 %size, 2		; <i32> [#uses=1] | 
|  | %6 = call i32 @perimeter(%struct.quad_struct* %4, i32 %5) nounwind		; <i32> [#uses=1] | 
|  | %7 = getelementptr %struct.quad_struct* %tree, i32 0, i32 5		; <%struct.quad_struct**> [#uses=1] | 
|  | %8 = load %struct.quad_struct** %7, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | %9 = sdiv i32 %size, 2		; <i32> [#uses=1] | 
|  | %10 = call i32 @perimeter(%struct.quad_struct* %8, i32 %9) nounwind		; <i32> [#uses=1] | 
|  | %11 = add i32 %10, %6		; <i32> [#uses=1] | 
|  | %12 = getelementptr %struct.quad_struct* %tree, i32 0, i32 3		; <%struct.quad_struct**> [#uses=1] | 
|  | %13 = load %struct.quad_struct** %12, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | %14 = sdiv i32 %size, 2		; <i32> [#uses=1] | 
|  | %15 = call i32 @perimeter(%struct.quad_struct* %13, i32 %14) nounwind		; <i32> [#uses=1] | 
|  | %16 = add i32 %15, %11		; <i32> [#uses=1] | 
|  | %17 = getelementptr %struct.quad_struct* %tree, i32 0, i32 2		; <%struct.quad_struct**> [#uses=1] | 
|  | %18 = load %struct.quad_struct** %17, align 4		; <%struct.quad_struct*> [#uses=1] | 
|  | %19 = sdiv i32 %size, 2		; <i32> [#uses=1] | 
|  | %20 = call i32 @perimeter(%struct.quad_struct* %18, i32 %19) nounwind		; <i32> [#uses=1] | 
|  | %21 = add i32 %20, %16		; <i32> [#uses=1] | 
|  | ret i32 %21 | 
|  |  | 
|  | bb2:		; preds = %entry | 
|  | %22 = getelementptr %struct.quad_struct* %tree, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %23 = load i32* %22, align 4		; <i32> [#uses=1] | 
|  | %24 = icmp eq i32 %23, 0		; <i1> [#uses=1] | 
|  | br i1 %24, label %bb3, label %bb23 | 
|  |  | 
|  | bb3:		; preds = %bb2 | 
|  | %25 = call fastcc %struct.quad_struct* @gtequal_adj_neighbor(%struct.quad_struct* %tree, i32 0) nounwind		; <%struct.quad_struct*> [#uses=4] | 
|  | %26 = icmp eq %struct.quad_struct* %25, null		; <i1> [#uses=1] | 
|  | br i1 %26, label %bb8, label %bb4 | 
|  |  | 
|  | bb4:		; preds = %bb3 | 
|  | %27 = getelementptr %struct.quad_struct* %25, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %28 = load i32* %27, align 4		; <i32> [#uses=1] | 
|  | %29 = icmp eq i32 %28, 1		; <i1> [#uses=1] | 
|  | br i1 %29, label %bb8, label %bb6 | 
|  |  | 
|  | bb6:		; preds = %bb4 | 
|  | %30 = getelementptr %struct.quad_struct* %25, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %31 = load i32* %30, align 4		; <i32> [#uses=1] | 
|  | %32 = icmp eq i32 %31, 2		; <i1> [#uses=1] | 
|  | br i1 %32, label %bb7, label %bb8 | 
|  |  | 
|  | bb7:		; preds = %bb6 | 
|  | %33 = call fastcc i32 @sum_adjacent(%struct.quad_struct* %25, i32 3, i32 2, i32 %size) nounwind		; <i32> [#uses=1] | 
|  | br label %bb8 | 
|  |  | 
|  | bb8:		; preds = %bb7, %bb6, %bb4, %bb3 | 
|  | %retval1.1 = phi i32 [ 0, %bb6 ], [ %33, %bb7 ], [ %size, %bb4 ], [ %size, %bb3 ]		; <i32> [#uses=3] | 
|  | %34 = call fastcc %struct.quad_struct* @gtequal_adj_neighbor(%struct.quad_struct* %tree, i32 1) nounwind		; <%struct.quad_struct*> [#uses=4] | 
|  | %35 = icmp eq %struct.quad_struct* %34, null		; <i1> [#uses=1] | 
|  | br i1 %35, label %bb10, label %bb9 | 
|  |  | 
|  | bb9:		; preds = %bb8 | 
|  | %36 = getelementptr %struct.quad_struct* %34, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %37 = load i32* %36, align 4		; <i32> [#uses=1] | 
|  | %38 = icmp eq i32 %37, 1		; <i1> [#uses=1] | 
|  | br i1 %38, label %bb10, label %bb11 | 
|  |  | 
|  | bb10:		; preds = %bb9, %bb8 | 
|  | %39 = add i32 %retval1.1, %size		; <i32> [#uses=1] | 
|  | br label %bb13 | 
|  |  | 
|  | bb11:		; preds = %bb9 | 
|  | %40 = getelementptr %struct.quad_struct* %34, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %41 = load i32* %40, align 4		; <i32> [#uses=1] | 
|  | %42 = icmp eq i32 %41, 2		; <i1> [#uses=1] | 
|  | br i1 %42, label %bb12, label %bb13 | 
|  |  | 
|  | bb12:		; preds = %bb11 | 
|  | %43 = call fastcc i32 @sum_adjacent(%struct.quad_struct* %34, i32 2, i32 0, i32 %size) nounwind		; <i32> [#uses=1] | 
|  | %44 = add i32 %43, %retval1.1		; <i32> [#uses=1] | 
|  | br label %bb13 | 
|  |  | 
|  | bb13:		; preds = %bb12, %bb11, %bb10 | 
|  | %retval1.2 = phi i32 [ %retval1.1, %bb11 ], [ %44, %bb12 ], [ %39, %bb10 ]		; <i32> [#uses=3] | 
|  | %45 = call fastcc %struct.quad_struct* @gtequal_adj_neighbor(%struct.quad_struct* %tree, i32 2) nounwind		; <%struct.quad_struct*> [#uses=4] | 
|  | %46 = icmp eq %struct.quad_struct* %45, null		; <i1> [#uses=1] | 
|  | br i1 %46, label %bb15, label %bb14 | 
|  |  | 
|  | bb14:		; preds = %bb13 | 
|  | %47 = getelementptr %struct.quad_struct* %45, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %48 = load i32* %47, align 4		; <i32> [#uses=1] | 
|  | %49 = icmp eq i32 %48, 1		; <i1> [#uses=1] | 
|  | br i1 %49, label %bb15, label %bb16 | 
|  |  | 
|  | bb15:		; preds = %bb14, %bb13 | 
|  | %50 = add i32 %retval1.2, %size		; <i32> [#uses=1] | 
|  | br label %bb18 | 
|  |  | 
|  | bb16:		; preds = %bb14 | 
|  | %51 = getelementptr %struct.quad_struct* %45, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %52 = load i32* %51, align 4		; <i32> [#uses=1] | 
|  | %53 = icmp eq i32 %52, 2		; <i1> [#uses=1] | 
|  | br i1 %53, label %bb17, label %bb18 | 
|  |  | 
|  | bb17:		; preds = %bb16 | 
|  | %54 = call fastcc i32 @sum_adjacent(%struct.quad_struct* %45, i32 0, i32 1, i32 %size) nounwind		; <i32> [#uses=1] | 
|  | %55 = add i32 %54, %retval1.2		; <i32> [#uses=1] | 
|  | br label %bb18 | 
|  |  | 
|  | bb18:		; preds = %bb17, %bb16, %bb15 | 
|  | %retval1.3 = phi i32 [ %retval1.2, %bb16 ], [ %55, %bb17 ], [ %50, %bb15 ]		; <i32> [#uses=3] | 
|  | %56 = call fastcc %struct.quad_struct* @gtequal_adj_neighbor(%struct.quad_struct* %tree, i32 3) nounwind		; <%struct.quad_struct*> [#uses=4] | 
|  | %57 = icmp eq %struct.quad_struct* %56, null		; <i1> [#uses=1] | 
|  | br i1 %57, label %bb20, label %bb19 | 
|  |  | 
|  | bb19:		; preds = %bb18 | 
|  | %58 = getelementptr %struct.quad_struct* %56, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %59 = load i32* %58, align 4		; <i32> [#uses=1] | 
|  | %60 = icmp eq i32 %59, 1		; <i1> [#uses=1] | 
|  | br i1 %60, label %bb20, label %bb21 | 
|  |  | 
|  | bb20:		; preds = %bb19, %bb18 | 
|  | %61 = add i32 %retval1.3, %size		; <i32> [#uses=1] | 
|  | ret i32 %61 | 
|  |  | 
|  | bb21:		; preds = %bb19 | 
|  | %62 = getelementptr %struct.quad_struct* %56, i32 0, i32 0		; <i32*> [#uses=1] | 
|  | %63 = load i32* %62, align 4		; <i32> [#uses=1] | 
|  | %64 = icmp eq i32 %63, 2		; <i1> [#uses=1] | 
|  | br i1 %64, label %bb22, label %bb23 | 
|  |  | 
|  | bb22:		; preds = %bb21 | 
|  | %65 = call fastcc i32 @sum_adjacent(%struct.quad_struct* %56, i32 1, i32 3, i32 %size) nounwind		; <i32> [#uses=1] | 
|  | %66 = add i32 %65, %retval1.3		; <i32> [#uses=1] | 
|  | ret i32 %66 | 
|  |  | 
|  | bb23:		; preds = %bb21, %bb2 | 
|  | %retval1.0 = phi i32 [ 0, %bb2 ], [ %retval1.3, %bb21 ]		; <i32> [#uses=1] | 
|  | ret i32 %retval1.0 | 
|  | } | 
|  |  | 
|  | declare i32 @main(i32, i8** nocapture) noreturn nounwind | 
|  |  | 
|  | declare i32 @printf(i8*, ...) nounwind | 
|  |  | 
|  | declare void @exit(i32) noreturn nounwind | 
|  |  | 
|  | declare fastcc i32 @CheckOutside(i32, i32) nounwind readnone | 
|  |  | 
|  | declare fastcc i32 @CheckIntersect(i32, i32, i32) nounwind readnone | 
|  |  | 
|  | declare %struct.quad_struct* @MakeTree(i32, i32, i32, i32, i32, %struct.quad_struct*, i32, i32) nounwind |