; LLVM IR from h-ssiqueira/Sort_Algorithms :: src (main)

; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [54 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [60 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @printError(ptr noundef, i1 noundef zeroext) #0

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
define dso_local signext i16 @menu(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i16, align 2
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 2, ptr %5) #3
  call void (...) @title()
  br label %6

6:                                                ; preds = %25, %2
  br label %7

7:                                                ; preds = %6
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call i32 (ptr, ...) @printf(ptr noundef @.str, ptr noundef %8)
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5)
  %11 = icmp ne i32 %10, 1
  br i1 %11, label %12, label %13

12:                                               ; preds = %7
  call void @printError(ptr noundef @.str.2, i1 noundef zeroext true)
  br label %25

13:                                               ; preds = %7
  %14 = load i16, ptr %5, align 2, !tbaa !11
  %15 = sext i16 %14 to i32
  %16 = icmp slt i32 %15, 0
  br i1 %16, label %22, label %17

17:                                               ; preds = %13
  %18 = load i16, ptr %5, align 2, !tbaa !11
  %19 = sext i16 %18 to i32
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = icmp sgt i32 %19, %20
  br i1 %21, label %22, label %23

22:                                               ; preds = %17, %13
  call void @printError(ptr noundef @.str.3, i1 noundef zeroext false)
  br label %24

23:                                               ; preds = %17
  br label %26

24:                                               ; preds = %22
  br label %25

25:                                               ; preds = %24, %12
  br label %6

26:                                               ; preds = %23
  %27 = load i16, ptr %5, align 2, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 2, ptr %5) #3
  ret i16 %27
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @title(...) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { "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 #2 = { nocallback nofree nosync 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 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}


; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [54 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [60 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @printError(ptr noundef, i1 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local signext i16 @menu(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = alloca i16, align 2
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %3) #4
  tail call void (...) @title() #4
  br label %4

4:                                                ; preds = %.backedge, %2
  %5 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, ptr noundef %0)
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %.not = icmp eq i32 %6, 1
  br i1 %.not, label %8, label %7

7:                                                ; preds = %4
  call void @printError(ptr noundef nonnull @.str.2, i1 noundef zeroext true)
  br label %.backedge

8:                                                ; preds = %4
  %9 = load i16, ptr %3, align 2, !tbaa !5
  %10 = icmp slt i16 %9, 0
  %11 = sext i16 %9 to i32
  %12 = icmp sgt i32 %11, %1
  %or.cond = or i1 %10, %12
  br i1 %or.cond, label %13, label %14

13:                                               ; preds = %8
  call void @printError(ptr noundef nonnull @.str.3, i1 noundef zeroext false)
  br label %.backedge

.backedge:                                        ; preds = %13, %7
  br label %4

14:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %3) #4
  ret i16 %9
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @title(...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #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 = !{!"short", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass