; 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 i32 @intv_equal(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #1 {
  %6 = alloca i32, align 4
  %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 i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  br label %14

14:                                               ; preds = %34, %5
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = icmp ne ptr %15, %16
  br i1 %17, label %18, label %35

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  %19 = load ptr, ptr %10, align 8, !tbaa !5
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  %22 = load ptr, ptr %11, align 8, !tbaa !5
  %23 = call i32 %19(ptr noundef %20, ptr noundef %21, ptr noundef %22)
  store i32 %23, ptr %12, align 4, !tbaa !9
  %24 = load i32, ptr %12, align 4, !tbaa !9
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %27

26:                                               ; preds = %18
  store i32 0, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %32

27:                                               ; preds = %18
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds i32, ptr %28, i32 1
  store ptr %29, ptr %7, align 8, !tbaa !5
  %30 = load ptr, ptr %9, align 8, !tbaa !5
  %31 = getelementptr inbounds i32, ptr %30, i32 1
  store ptr %31, ptr %9, align 8, !tbaa !5
  store i32 0, ptr %13, align 4
  br label %32

32:                                               ; preds = %27, %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  %33 = load i32, ptr %13, align 4
  switch i32 %33, label %38 [
    i32 0, label %34
    i32 1, label %36
  ]

34:                                               ; preds = %32
  br label %14, !llvm.loop !11

35:                                               ; preds = %14
  store i32 1, ptr %6, align 4
  br label %36

36:                                               ; preds = %35, %32
  %37 = load i32, ptr %6, align 4
  ret i32 %37

38:                                               ; preds = %32
  unreachable
}

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 = !{!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 noundef i32 @intv_equal(ptr noundef %0, ptr noundef readnone %1, ptr noundef %2, ptr nocapture noundef readonly %3, ptr noundef %4) local_unnamed_addr #0 {
  br label %6

6:                                                ; preds = %7, %5
  %.013 = phi ptr [ %2, %5 ], [ %10, %7 ]
  %.011 = phi ptr [ %0, %5 ], [ %9, %7 ]
  %.not = icmp eq ptr %.011, %1
  br i1 %.not, label %11, label %7

7:                                                ; preds = %6
  %8 = tail call i32 %3(ptr noundef %.011, ptr noundef %.013, ptr noundef %4) #1
  %.not15.not = icmp eq i32 %8, 0
  %9 = getelementptr inbounds i8, ptr %.011, i64 4
  %10 = getelementptr inbounds i8, ptr %.013, i64 4
  br i1 %.not15.not, label %6, label %11

11:                                               ; preds = %7, %6
  %.2 = phi i32 [ 0, %7 ], [ 1, %6 ]
  ret i32 %.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 = { 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: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass