; LLVM IR from AlgoGenesis/C :: Sorting Algorithms/Pigeon Hole Sort (Program)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str = external hidden unnamed_addr constant [35 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @main() #0 {
  %1 = alloca [7 x i32], align 16
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 28, ptr %1) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %5 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %14, %0
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp slt i32 %7, 7
  br i1 %8, label %9, label %17

9:                                                ; preds = %6
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %11
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %12)
  br label %14

14:                                               ; preds = %9
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %2, align 4, !tbaa !5
  br label %6, !llvm.loop !9

17:                                               ; preds = %6
  %18 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 0
  %19 = load i32, ptr %18, align 16, !tbaa !5
  store i32 %19, ptr %3, align 4, !tbaa !5
  %20 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 0
  %21 = load i32, ptr %20, align 16, !tbaa !5
  store i32 %21, ptr %4, align 4, !tbaa !5
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %22

22:                                               ; preds = %50, %17
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = icmp slt i32 %23, 7
  br i1 %24, label %25, label %53

25:                                               ; preds = %22
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %27
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %32, label %37

32:                                               ; preds = %25
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %34
  %36 = load i32, ptr %35, align 4, !tbaa !5
  store i32 %36, ptr %3, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %32, %25
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %39
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = icmp sgt i32 %41, %42
  br i1 %43, label %44, label %49

44:                                               ; preds = %37
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !5
  store i32 %48, ptr %4, align 4, !tbaa !5
  br label %49

49:                                               ; preds = %44, %37
  br label %50

50:                                               ; preds = %49
  %51 = load i32, ptr %2, align 4, !tbaa !5
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %2, align 4, !tbaa !5
  br label %22, !llvm.loop !11

53:                                               ; preds = %22
  %54 = load i32, ptr %3, align 4, !tbaa !5
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 0
  call void @pigeonhole_sort(i32 noundef %54, i32 noundef %55, ptr noundef %56)
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %67, %53
  %59 = load i32, ptr %2, align 4, !tbaa !5
  %60 = icmp slt i32 %59, 7
  br i1 %60, label %61, label %70

61:                                               ; preds = %58
  %62 = load i32, ptr %2, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [7 x i32], ptr %1, i64 0, i64 %63
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %65)
  br label %67

67:                                               ; preds = %61
  %68 = load i32, ptr %2, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %2, align 4, !tbaa !5
  br label %58, !llvm.loop !12

70:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.end.p0(i64 28, ptr %1) #3
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @printf(ptr noundef, ...) #2

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
declare dso_local void @pigeonhole_sort(i32 noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@.str = external hidden unnamed_addr constant [35 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [19 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @main() local_unnamed_addr #0 {
  %1 = alloca [7 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 28, ptr nonnull %1) #4
  %2 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %4 = getelementptr inbounds i8, ptr %1, i64 4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %6)
  %8 = getelementptr inbounds i8, ptr %1, i64 12
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %8)
  %10 = getelementptr inbounds i8, ptr %1, i64 16
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %10)
  %12 = getelementptr inbounds i8, ptr %1, i64 20
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %12)
  %14 = getelementptr inbounds i8, ptr %1, i64 24
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %14)
  %16 = load i32, ptr %1, align 16, !tbaa !5
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %spec.select = call i32 @llvm.smin.i32(i32 %17, i32 %16)
  %.1 = call i32 @llvm.smax.i32(i32 %17, i32 %16)
  %18 = load i32, ptr %6, align 8, !tbaa !5
  %spec.select.1 = call i32 @llvm.smin.i32(i32 %18, i32 %spec.select)
  %.1.1 = call i32 @llvm.smax.i32(i32 %18, i32 %.1)
  %19 = load i32, ptr %8, align 4, !tbaa !5
  %spec.select.2 = call i32 @llvm.smin.i32(i32 %19, i32 %spec.select.1)
  %.1.2 = call i32 @llvm.smax.i32(i32 %19, i32 %.1.1)
  %20 = load i32, ptr %10, align 16, !tbaa !5
  %spec.select.3 = call i32 @llvm.smin.i32(i32 %20, i32 %spec.select.2)
  %.1.3 = call i32 @llvm.smax.i32(i32 %20, i32 %.1.2)
  %21 = load i32, ptr %12, align 4, !tbaa !5
  %spec.select.4 = call i32 @llvm.smin.i32(i32 %21, i32 %spec.select.3)
  %.1.4 = call i32 @llvm.smax.i32(i32 %21, i32 %.1.3)
  %22 = load i32, ptr %14, align 8, !tbaa !5
  %spec.select.5 = call i32 @llvm.smin.i32(i32 %22, i32 %spec.select.4)
  %.1.5 = call i32 @llvm.smax.i32(i32 %22, i32 %.1.4)
  call void @pigeonhole_sort(i32 noundef %spec.select.5, i32 noundef %.1.5, ptr noundef nonnull %1)
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %24 = load i32, ptr %1, align 16, !tbaa !5
  %25 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %24)
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %26)
  %28 = load i32, ptr %6, align 8, !tbaa !5
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %28)
  %30 = load i32, ptr %8, align 4, !tbaa !5
  %31 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %30)
  %32 = load i32, ptr %10, align 16, !tbaa !5
  %33 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %32)
  %34 = load i32, ptr %12, align 4, !tbaa !5
  %35 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %34)
  %36 = load i32, ptr %14, align 8, !tbaa !5
  %37 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %36)
  call void @llvm.lifetime.end.p0(i64 28, ptr nonnull %1) #4
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @pigeonhole_sort(i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass