; LLVM IR from attractivechaos/klib :: test (kgraph_test)

; 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.kh_g_s = type { i32, i32, i32, i32, ptr, ptr, ptr }
%struct.vertex_t = type { i32, ptr }

; Function Attrs: nounwind uwtable
declare dso_local ptr @kh_init_e32() #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @kh_put_g(ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @kg_put_v_g(ptr noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = call i32 @kh_put_g(ptr noundef %8, i32 noundef %9, ptr noundef %10)
  store i32 %11, ptr %7, align 4, !tbaa !9
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %15, label %24

15:                                               ; preds = %3
  %16 = call ptr @kh_init_e32()
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.kh_g_s, ptr %17, i32 0, i32 6
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = load i32, ptr %7, align 4, !tbaa !9
  %21 = zext i32 %20 to i64
  %22 = getelementptr inbounds %struct.vertex_t, ptr %19, i64 %21
  %23 = getelementptr inbounds %struct.vertex_t, ptr %22, i32 0, i32 1
  store ptr %16, ptr %23, align 8, !tbaa !13
  br label %24

24:                                               ; preds = %15, %3
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.kh_g_s, ptr %25, i32 0, i32 6
  %27 = load ptr, ptr %26, align 8, !tbaa !11
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = getelementptr inbounds %struct.vertex_t, ptr %27, i64 %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret ptr %30
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!12, !6, i64 32}
!12 = !{!"kh_g_s", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !6, i64 16, !6, i64 24, !6, i64 32}
!13 = !{!14, !6, i64 8}
!14 = !{!"", !10, i64 0, !6, i64 8}


; 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"

%struct.vertex_t = type { i32, ptr }

; Function Attrs: nounwind uwtable
declare dso_local ptr @kh_init_e32() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @kh_put_g(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @kg_put_v_g(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = tail call i32 @kh_put_g(ptr noundef %0, i32 noundef %1, ptr noundef %2)
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %._crit_edge, label %6

._crit_edge:                                      ; preds = %3
  %.phi.trans.insert = getelementptr inbounds i8, ptr %0, i64 32
  %.pre = load ptr, ptr %.phi.trans.insert, align 8, !tbaa !9
  %.pre7 = zext i32 %4 to i64
  br label %12

6:                                                ; preds = %3
  %7 = tail call ptr @kh_init_e32()
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = zext i32 %4 to i64
  %11 = getelementptr inbounds %struct.vertex_t, ptr %9, i64 %10, i32 1
  store ptr %7, ptr %11, align 8, !tbaa !12
  br label %12

12:                                               ; preds = %._crit_edge, %6
  %.pre-phi = phi i64 [ %.pre7, %._crit_edge ], [ %10, %6 ]
  %13 = phi ptr [ %.pre, %._crit_edge ], [ %9, %6 ]
  %14 = getelementptr inbounds %struct.vertex_t, ptr %13, i64 %.pre-phi
  ret ptr %14
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 32}
!10 = !{!"kh_g_s", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !11, i64 16, !11, i64 24, !11, i64 32}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!13, !11, i64 8}
!13 = !{!"", !6, i64 0, !11, i64 8}


; Effective O3 passes: BDCEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass