; LLVM IR from clibraries/array-algorithms :: test (impl)

; 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"

; 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

; Function Attrs: nounwind uwtable
define dso_local ptr @intv_is_heap_until(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %12, ptr %10, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = getelementptr inbounds i32, ptr %13, i32 1
  store ptr %14, ptr %6, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %44, %4
  br label %16

16:                                               ; preds = %15
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = icmp eq ptr %17, %18
  br i1 %19, label %27, label %20

20:                                               ; preds = %16
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = load ptr, ptr %10, align 8, !tbaa !5
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = call i32 %21(ptr noundef %22, ptr noundef %23, ptr noundef %24)
  %26 = icmp slt i32 %25, 0
  br i1 %26, label %27, label %29

27:                                               ; preds = %20, %16
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %28, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %49

29:                                               ; preds = %20
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds i32, ptr %30, i32 1
  store ptr %31, ptr %6, align 8, !tbaa !5
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = load ptr, ptr %7, align 8, !tbaa !5
  %34 = icmp eq ptr %32, %33
  br i1 %34, label %42, label %35

35:                                               ; preds = %29
  %36 = load ptr, ptr %8, align 8, !tbaa !5
  %37 = load ptr, ptr %10, align 8, !tbaa !5
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = call i32 %36(ptr noundef %37, ptr noundef %38, ptr noundef %39)
  %41 = icmp slt i32 %40, 0
  br i1 %41, label %42, label %44

42:                                               ; preds = %35, %29
  %43 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %43, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %49

44:                                               ; preds = %35
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  %46 = getelementptr inbounds i32, ptr %45, i32 1
  store ptr %46, ptr %6, align 8, !tbaa !5
  %47 = load ptr, ptr %10, align 8, !tbaa !5
  %48 = getelementptr inbounds i32, ptr %47, i32 1
  store ptr %48, ptr %10, align 8, !tbaa !5
  br label %15

49:                                               ; preds = %42, %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %50 = load ptr, ptr %5, align 8
  ret ptr %50
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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"}


; 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"

; Function Attrs: nounwind uwtable
define dso_local ptr @intv_is_heap_until(ptr noundef %0, ptr noundef readnone %1, ptr nocapture noundef readonly %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = icmp eq ptr %5, %1
  br i1 %6, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %4, %15
  %.025 = phi ptr [ %17, %15 ], [ %0, %4 ]
  %.02124 = phi ptr [ %16, %15 ], [ %5, %4 ]
  %7 = tail call i32 %2(ptr noundef %.025, ptr noundef nonnull %.02124, ptr noundef %3) #1
  %8 = icmp slt i32 %7, 0
  br i1 %8, label %._crit_edge, label %9

9:                                                ; preds = %.lr.ph
  %10 = getelementptr inbounds i8, ptr %.02124, i64 4
  %11 = icmp eq ptr %10, %1
  br i1 %11, label %._crit_edge, label %12

12:                                               ; preds = %9
  %13 = tail call i32 %2(ptr noundef %.025, ptr noundef nonnull %10, ptr noundef %3) #1
  %14 = icmp slt i32 %13, 0
  br i1 %14, label %._crit_edge, label %15

15:                                               ; preds = %12
  %16 = getelementptr inbounds i8, ptr %.02124, i64 8
  %17 = getelementptr inbounds i8, ptr %.025, i64 4
  %18 = icmp eq ptr %16, %1
  br i1 %18, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %15, %12, %9, %4
  %.020 = phi ptr [ %5, %4 ], [ %10, %9 ], [ %10, %12 ], [ %16, %15 ], [ %.02124, %.lr.ph ]
  ret ptr %.020
}

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 = { 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)"}


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