; LLVM IR from HarshCasper/NeoAlgo :: C/search (Interpolation)

; 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 [38 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [34 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @interpolation_search(ptr noundef, i32 noundef, i32 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

; 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 [100 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 400, 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
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %7 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef 100)
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %4)
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %9)
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %20, %0
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %15, label %23

15:                                               ; preds = %11
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [100 x i32], ptr %2, i64 0, i64 %17
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %18)
  br label %20

20:                                               ; preds = %15
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %3, align 4, !tbaa !5
  br label %11, !llvm.loop !9

23:                                               ; preds = %11
  %24 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5)
  %26 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %37, %23
  %28 = load i32, ptr %3, align 4, !tbaa !5
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %31, label %40

31:                                               ; preds = %27
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [100 x i32], ptr %2, i64 0, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str.5, i32 noundef %35)
  br label %37

37:                                               ; preds = %31
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %3, align 4, !tbaa !5
  br label %27, !llvm.loop !11

40:                                               ; preds = %27
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, i32 noundef %41)
  %43 = getelementptr inbounds [100 x i32], ptr %2, i64 0, i64 0
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = sub nsw i32 %44, 1
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = call i32 @interpolation_search(ptr noundef %43, i32 noundef 0, i32 noundef %45, i32 noundef %46)
  store i32 %47, ptr %6, align 4, !tbaa !5
  %48 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  %49 = load i32, ptr %6, align 4, !tbaa !5
  %50 = icmp eq i32 %49, -1
  br i1 %50, label %51, label %54

51:                                               ; preds = %40
  %52 = load i32, ptr %5, align 4, !tbaa !5
  %53 = call i32 (ptr, ...) @printf(ptr noundef @.str.8, i32 noundef %52)
  br label %58

54:                                               ; preds = %40
  %55 = load i32, ptr %5, align 4, !tbaa !5
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str.9, i32 noundef %55, i32 noundef %56)
  br label %58

58:                                               ; preds = %54, %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  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 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 400, ptr %2) #3
  ret i32 0
}

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

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

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}


; 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 [38 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [19 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [34 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @interpolation_search(ptr noundef, i32 noundef, i32 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: 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 [100 x i32], align 16
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 400, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #3
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 100)
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2)
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %6)
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %10 = getelementptr inbounds [100 x i32], ptr %1, i64 0, i64 %indvars.iv
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %10)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = icmp slt i64 %indvars.iv.next, %13
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %17 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph12, label %._crit_edge13

.lr.ph12:                                         ; preds = %._crit_edge, %.lr.ph12
  %indvars.iv15 = phi i64 [ %indvars.iv.next16, %.lr.ph12 ], [ 0, %._crit_edge ]
  %20 = getelementptr inbounds [100 x i32], ptr %1, i64 0, i64 %indvars.iv15
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5, i32 noundef %21)
  %indvars.iv.next16 = add nuw nsw i64 %indvars.iv15, 1
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = icmp slt i64 %indvars.iv.next16, %24
  br i1 %25, label %.lr.ph12, label %._crit_edge13, !llvm.loop !11

._crit_edge13:                                    ; preds = %.lr.ph12, %._crit_edge
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i32 noundef %26)
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = add nsw i32 %28, -1
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = call i32 @interpolation_search(ptr noundef nonnull %1, i32 noundef 0, i32 noundef %29, i32 noundef %30)
  %32 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  %33 = icmp eq i32 %31, -1
  %34 = load i32, ptr %3, align 4, !tbaa !5
  br i1 %33, label %35, label %37

35:                                               ; preds = %._crit_edge13
  %36 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8, i32 noundef %34)
  br label %39

37:                                               ; preds = %._crit_edge13
  %38 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9, i32 noundef %34, i32 noundef %31)
  br label %39

39:                                               ; preds = %37, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #3
  call void @llvm.lifetime.end.p0(i64 400, ptr nonnull %1) #3
  ret i32 0
}

; 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

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 = { 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}


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