; LLVM IR from smv1999/CompetitiveProgrammingQuestionBank :: General Questions (CLL SLL Wipro)

; 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"

@__const.main.input = external hidden unnamed_addr constant [11 x i32], align 16

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca [11 x i32], align 16
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  store ptr null, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 44, ptr %3) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const.main.input, i64 44, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 11, ptr %4, align 4, !tbaa !9
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %18, %0
  %7 = load i32, ptr %5, align 4, !tbaa !9
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = icmp slt i32 %7, %8
  br i1 %9, label %10, label %21

10:                                               ; preds = %6
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [11 x i32], ptr %3, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !9
  %16 = call ptr @addNode(ptr noundef %11, i32 noundef %15)
  store ptr %16, ptr %2, align 8, !tbaa !5
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  call void @displayCLL(ptr noundef %17)
  br label %18

18:                                               ; preds = %10
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %5, align 4, !tbaa !9
  br label %6, !llvm.loop !11

21:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 44, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  ret i32 0
}

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

; Function Attrs: nounwind uwtable
declare dso_local void @displayCLL(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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@__const.main.input = external hidden unnamed_addr constant [11 x i32], align 16

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = load i32, ptr @__const.main.input, align 16, !tbaa !5
  %2 = tail call ptr @addNode(ptr noundef null, i32 noundef %1)
  tail call void @displayCLL(ptr noundef %2)
  %3 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 4), align 4, !tbaa !5
  %4 = tail call ptr @addNode(ptr noundef %2, i32 noundef %3)
  tail call void @displayCLL(ptr noundef %4)
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 8), align 8, !tbaa !5
  %6 = tail call ptr @addNode(ptr noundef %4, i32 noundef %5)
  tail call void @displayCLL(ptr noundef %6)
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 12), align 4, !tbaa !5
  %8 = tail call ptr @addNode(ptr noundef %6, i32 noundef %7)
  tail call void @displayCLL(ptr noundef %8)
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 16), align 16, !tbaa !5
  %10 = tail call ptr @addNode(ptr noundef %8, i32 noundef %9)
  tail call void @displayCLL(ptr noundef %10)
  %11 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 20), align 4, !tbaa !5
  %12 = tail call ptr @addNode(ptr noundef %10, i32 noundef %11)
  tail call void @displayCLL(ptr noundef %12)
  %13 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 24), align 8, !tbaa !5
  %14 = tail call ptr @addNode(ptr noundef %12, i32 noundef %13)
  tail call void @displayCLL(ptr noundef %14)
  %15 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 28), align 4, !tbaa !5
  %16 = tail call ptr @addNode(ptr noundef %14, i32 noundef %15)
  tail call void @displayCLL(ptr noundef %16)
  %17 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 32), align 16, !tbaa !5
  %18 = tail call ptr @addNode(ptr noundef %16, i32 noundef %17)
  tail call void @displayCLL(ptr noundef %18)
  %19 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 36), align 4, !tbaa !5
  %20 = tail call ptr @addNode(ptr noundef %18, i32 noundef %19)
  tail call void @displayCLL(ptr noundef %20)
  %21 = load i32, ptr getelementptr inbounds (i8, ptr @__const.main.input, i64 40), align 8, !tbaa !5
  %22 = tail call ptr @addNode(ptr noundef %20, i32 noundef %21)
  tail call void @displayCLL(ptr noundef %22)
  ret i32 0
}

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

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

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" }

!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: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass