; LLVM IR from codemistic/Data-Structures-and-Algorithms :: Arrays (31_Menu_for_Array)

; 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.array = type { ptr, i32, i32 }

@.str.21 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [37 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nounwind uwtable
define dso_local void @IsSort(ptr %0, i64 %1) #2 {
  %3 = alloca %struct.array, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 0
  store ptr %0, ptr %6, align 8
  %7 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 1
  store i64 %1, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 1, ptr %5, align 4, !tbaa !5
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %31, %2
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = getelementptr inbounds %struct.array, ptr %3, i32 0, i32 2
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = sub nsw i32 %11, 1
  %13 = icmp slt i32 %9, %12
  br i1 %13, label %14, label %34

14:                                               ; preds = %8
  %15 = getelementptr inbounds %struct.array, ptr %3, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds i32, ptr %16, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = getelementptr inbounds %struct.array, ptr %3, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !12
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i32, ptr %22, i64 %25
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = icmp sgt i32 %20, %27
  br i1 %28, label %29, label %30

29:                                               ; preds = %14
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %34

30:                                               ; preds = %14
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %4, align 4, !tbaa !5
  br label %8, !llvm.loop !13

34:                                               ; preds = %29, %8
  %35 = load i32, ptr %5, align 4, !tbaa !5
  %36 = icmp ne i32 %35, 0
  br i1 %36, label %37, label %39

37:                                               ; preds = %34
  %38 = call i32 (ptr, ...) @printf(ptr noundef @.str.21)
  br label %41

39:                                               ; preds = %34
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.22)
  br label %41

41:                                               ; preds = %39, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{!10, !6, i64 12}
!10 = !{!"array", !11, i64 0, !6, i64 8, !6, i64 12}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@.str.21 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.22 = external hidden unnamed_addr constant [37 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nofree nounwind uwtable
define dso_local void @IsSort(ptr nocapture readonly %0, i64 %1) local_unnamed_addr #1 {
  %.sroa.4.8.extract.shift = lshr i64 %1, 32
  %.sroa.4.8.extract.trunc = trunc nuw i64 %.sroa.4.8.extract.shift to i32
  %3 = tail call i32 @llvm.smax.i32(i32 %.sroa.4.8.extract.trunc, i32 1)
  %smax = add nsw i32 %3, -1
  %wide.trip.count = zext nneg i32 %smax to i64
  br label %4

4:                                                ; preds = %5, %2
  %indvars.iv = phi i64 [ %indvars.iv.next, %5 ], [ 0, %2 ]
  %exitcond.not = icmp eq i64 %indvars.iv, %wide.trip.count
  br i1 %exitcond.not, label %.critedge, label %5

5:                                                ; preds = %4
  %6 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %8 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv.next
  %9 = load i32, ptr %8, align 4, !tbaa !5
  %10 = icmp sgt i32 %7, %9
  br i1 %10, label %.critedge, label %4, !llvm.loop !9

.critedge:                                        ; preds = %5, %4
  %.str.22.sink = phi ptr [ @.str.21, %4 ], [ @.str.22, %5 ]
  %11 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.22.sink)
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #2

attributes #0 = { 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 #1 = { nofree 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 #2 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass