; LLVM IR from AlgoGenesis/C :: Miscellaneous Algorithms/Smart Slice Algorithm (SS)

; 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"

%struct.Process = type { i32, i32, i32, i32, i32, i32 }

@.str.5 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [37 x i8], align 1

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

; 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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  %6 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.6, ptr noundef %2)
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = zext i32 %8 to i64
  %10 = call ptr @llvm.stacksave.p0()
  store ptr %10, ptr %3, align 8
  %11 = alloca %struct.Process, i64 %9, align 16
  store i64 %9, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %53, %0
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %56

17:                                               ; preds = %12
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = add nsw i32 %18, 1
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.7, i32 noundef %19)
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds %struct.Process, ptr %11, i64 %22
  %24 = getelementptr inbounds %struct.Process, ptr %23, i32 0, i32 1
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.6, ptr noundef %24)
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds %struct.Process, ptr %11, i64 %29
  %31 = getelementptr inbounds %struct.Process, ptr %30, i32 0, i32 0
  store i32 %27, ptr %31, align 8, !tbaa !9
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds %struct.Process, ptr %11, i64 %33
  %35 = getelementptr inbounds %struct.Process, ptr %34, i32 0, i32 1
  %36 = load i32, ptr %35, align 4, !tbaa !11
  %37 = load i32, ptr %5, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds %struct.Process, ptr %11, i64 %38
  %40 = getelementptr inbounds %struct.Process, ptr %39, i32 0, i32 2
  store i32 %36, ptr %40, align 8, !tbaa !12
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds %struct.Process, ptr %11, i64 %42
  %44 = getelementptr inbounds %struct.Process, ptr %43, i32 0, i32 5
  store i32 0, ptr %44, align 4, !tbaa !13
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds %struct.Process, ptr %11, i64 %46
  %48 = getelementptr inbounds %struct.Process, ptr %47, i32 0, i32 3
  store i32 0, ptr %48, align 4, !tbaa !14
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds %struct.Process, ptr %11, i64 %50
  %52 = getelementptr inbounds %struct.Process, ptr %51, i32 0, i32 4
  store i32 0, ptr %52, align 8, !tbaa !15
  br label %53

53:                                               ; preds = %17
  %54 = load i32, ptr %5, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %5, align 4, !tbaa !5
  br label %12, !llvm.loop !16

56:                                               ; preds = %16
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  %58 = load i32, ptr %2, align 4, !tbaa !5
  call void @smartSliceScheduling(ptr noundef %11, i32 noundef %58)
  store i32 0, ptr %1, align 4
  %59 = load ptr, ptr %3, align 8
  call void @llvm.stackrestore.p0(ptr %59)
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  %60 = load i32, ptr %1, align 4
  ret i32 %60
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 = { 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 = { nocallback nofree nosync nounwind willreturn }
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"}
!9 = !{!10, !6, i64 0}
!10 = !{!"Process", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !6, i64 16, !6, i64 20}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 20}
!14 = !{!10, !6, i64 12}
!15 = !{!10, !6, i64 16}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; 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"

%struct.Process = type { i32, i32, i32, i32, i32, i32 }

@.str.5 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [37 x i8], align 1

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

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %2 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.6, ptr noundef nonnull %1)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = zext i32 %4 to i64
  %6 = call ptr @llvm.stacksave.p0()
  %7 = alloca %struct.Process, i64 %5, align 16
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  %11 = load i32, ptr %1, align 4, !tbaa !5
  call void @smartSliceScheduling(ptr noundef nonnull %7, i32 noundef %11)
  call void @llvm.stackrestore.p0(ptr %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret i32 0

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = trunc nuw nsw i64 %indvars.iv.next to i32
  %13 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7, i32 noundef %12)
  %14 = getelementptr inbounds %struct.Process, ptr %7, i64 %indvars.iv
  %15 = getelementptr inbounds i8, ptr %14, i64 4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.6, ptr noundef nonnull %15)
  store i32 %12, ptr %14, align 8, !tbaa !9
  %17 = load i32, ptr %15, align 4, !tbaa !11
  %18 = getelementptr inbounds i8, ptr %14, i64 8
  store i32 %17, ptr %18, align 8, !tbaa !12
  %19 = getelementptr inbounds i8, ptr %14, i64 20
  store i32 0, ptr %19, align 4, !tbaa !13
  %20 = getelementptr inbounds i8, ptr %14, i64 12
  store i32 0, ptr %20, align 4, !tbaa !14
  %21 = getelementptr inbounds i8, ptr %14, i64 16
  store i32 0, ptr %21, align 8, !tbaa !15
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = icmp slt i64 %indvars.iv.next, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !16
}

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 = { mustprogress nocallback nofree nosync nounwind willreturn }
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"}
!9 = !{!10, !6, i64 0}
!10 = !{!"Process", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !6, i64 16, !6, i64 20}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 20}
!14 = !{!10, !6, i64 12}
!15 = !{!10, !6, i64 16}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass