; 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 void @intv_mismatch(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #1 {
  %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 ptr, align 8
  %12 = alloca ptr, align 8
  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
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #2
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  store ptr %14, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #2
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  %16 = load ptr, ptr %15, align 8, !tbaa !5
  store ptr %16, ptr %12, align 8, !tbaa !5
  br label %17

17:                                               ; preds = %29, %5
  %18 = load ptr, ptr %11, align 8, !tbaa !5
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = icmp ne ptr %18, %19
  br i1 %20, label %21, label %34

21:                                               ; preds = %17
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  %24 = load ptr, ptr %12, align 8, !tbaa !5
  %25 = load ptr, ptr %10, align 8, !tbaa !5
  %26 = call i32 %22(ptr noundef %23, ptr noundef %24, ptr noundef %25)
  %27 = icmp ne i32 %26, 0
  br i1 %27, label %28, label %29

28:                                               ; preds = %21
  br label %34

29:                                               ; preds = %21
  %30 = load ptr, ptr %11, align 8, !tbaa !5
  %31 = getelementptr inbounds i32, ptr %30, i32 1
  store ptr %31, ptr %11, align 8, !tbaa !5
  %32 = load ptr, ptr %12, align 8, !tbaa !5
  %33 = getelementptr inbounds i32, ptr %32, i32 1
  store ptr %33, ptr %12, align 8, !tbaa !5
  br label %17, !llvm.loop !9

34:                                               ; preds = %28, %17
  %35 = load ptr, ptr %11, align 8, !tbaa !5
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %35, ptr %36, align 8, !tbaa !5
  %37 = load ptr, ptr %12, align 8, !tbaa !5
  %38 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %37, ptr %38, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #2
  ret void
}

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"}
!9 = distinct !{!9, !10}
!10 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local void @intv_mismatch(ptr nocapture noundef %0, ptr noundef readnone %1, ptr nocapture noundef %2, ptr nocapture noundef readonly %3, ptr noundef %4) local_unnamed_addr #0 {
  %6 = load ptr, ptr %0, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %.not16 = icmp eq ptr %6, %1
  br i1 %.not16, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %5, %9
  %.018 = phi ptr [ %11, %9 ], [ %7, %5 ]
  %.01417 = phi ptr [ %10, %9 ], [ %6, %5 ]
  %8 = tail call i32 %3(ptr noundef %.01417, ptr noundef %.018, ptr noundef %4) #1
  %.not15 = icmp eq i32 %8, 0
  br i1 %.not15, label %9, label %._crit_edge

9:                                                ; preds = %.lr.ph
  %10 = getelementptr inbounds i8, ptr %.01417, i64 4
  %11 = getelementptr inbounds i8, ptr %.018, i64 4
  %.not = icmp eq ptr %10, %1
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %9, %.lr.ph, %5
  %.014.lcssa = phi ptr [ %6, %5 ], [ %.01417, %.lr.ph ], [ %10, %9 ]
  %.0.lcssa = phi ptr [ %7, %5 ], [ %.018, %.lr.ph ], [ %11, %9 ]
  store ptr %.014.lcssa, ptr %0, align 8, !tbaa !5
  store ptr %.0.lcssa, ptr %2, align 8, !tbaa !5
  ret void
}

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass