; 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: nounwind uwtable
define dso_local ptr @intv_copy_if(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %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
  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
  br label %11

11:                                               ; preds = %27, %5
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = icmp ne ptr %12, %13
  br i1 %14, label %15, label %30

15:                                               ; preds = %11
  %16 = load ptr, ptr %9, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %10, align 8, !tbaa !5
  %19 = call i32 %16(ptr noundef %17, ptr noundef %18)
  %20 = icmp ne i32 %19, 0
  br i1 %20, label %21, label %27

21:                                               ; preds = %15
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = load ptr, ptr %8, align 8, !tbaa !5
  store i32 %23, ptr %24, align 4, !tbaa !9
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = getelementptr inbounds i32, ptr %25, i32 1
  store ptr %26, ptr %8, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %21, %15
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds i32, ptr %28, i32 1
  store ptr %29, ptr %6, align 8, !tbaa !5
  br label %11, !llvm.loop !11

30:                                               ; preds = %11
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  ret ptr %31
}

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" }

!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 = distinct !{!11, !12}
!12 = !{!"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 ptr @intv_copy_if(ptr noundef %0, ptr noundef readnone %1, ptr noundef writeonly %2, ptr nocapture noundef readonly %3, ptr noundef %4) local_unnamed_addr #0 {
  %.not12 = icmp eq ptr %0, %1
  br i1 %.not12, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %5, %10
  %.014 = phi ptr [ %11, %10 ], [ %0, %5 ]
  %.01013 = phi ptr [ %.1, %10 ], [ %2, %5 ]
  %6 = tail call i32 %3(ptr noundef %.014, ptr noundef %4) #1
  %.not11 = icmp eq i32 %6, 0
  br i1 %.not11, label %10, label %7

7:                                                ; preds = %.lr.ph
  %8 = load i32, ptr %.014, align 4, !tbaa !5
  store i32 %8, ptr %.01013, align 4, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %.01013, i64 4
  br label %10

10:                                               ; preds = %7, %.lr.ph
  %.1 = phi ptr [ %9, %7 ], [ %.01013, %.lr.ph ]
  %11 = getelementptr inbounds i8, ptr %.014, i64 4
  %.not = icmp eq ptr %11, %1
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %10, %5
  %.010.lcssa = phi ptr [ %2, %5 ], [ %.1, %10 ]
  ret ptr %.010.lcssa
}

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 = !{!"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: GVNPass,GlobalOptPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass