; LLVM IR from yudi-matsuzake/libgenerics :: doc/examples (vector2)

; 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.vector_t = type { ptr, i64, i64, i64 }

@.str = external hidden unnamed_addr constant [37 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [36 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca %struct.vector_t, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 32, ptr %3, align 8, !tbaa !5
  %6 = call i64 @vector_get_min_buf_siz()
  %7 = load i64, ptr %3, align 8, !tbaa !5
  %8 = call i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %6, i64 noundef %7)
  %9 = load i64, ptr %3, align 8, !tbaa !5
  call void @vector_set_min_buf_siz(i64 noundef %9)
  %10 = call i32 @vector_create(ptr noundef %2, i64 noundef 0, i64 noundef 4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %26, %0
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = icmp slt i32 %12, 50
  br i1 %13, label %14, label %29

14:                                               ; preds = %11
  %15 = call i32 @vector_add(ptr noundef %2, ptr noundef %4)
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = getelementptr inbounds %struct.vector_t, ptr %2, i32 0, i32 2
  %18 = load i64, ptr %17, align 8, !tbaa !11
  %19 = getelementptr inbounds %struct.vector_t, ptr %2, i32 0, i32 0
  %20 = load ptr, ptr %19, align 8, !tbaa !14
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds i32, ptr %20, i64 %22
  %24 = load i32, ptr %23, align 4, !tbaa !9
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %16, i64 noundef %18, i32 noundef %24)
  br label %26

26:                                               ; preds = %14
  %27 = load i32, ptr %4, align 4, !tbaa !9
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %4, align 4, !tbaa !9
  br label %11, !llvm.loop !15

29:                                               ; preds = %11
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %40, %29
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = icmp slt i32 %31, 50
  br i1 %32, label %33, label %43

33:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %34 = load i32, ptr %4, align 4, !tbaa !9
  %35 = sext i32 %34 to i64
  %36 = call i32 @vector_at(ptr noundef %2, i64 noundef %35, ptr noundef %5)
  %37 = load i32, ptr %4, align 4, !tbaa !9
  %38 = load i32, ptr %5, align 4, !tbaa !9
  %39 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %37, i32 noundef %38)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %40

40:                                               ; preds = %33
  %41 = load i32, ptr %4, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %4, align 4, !tbaa !9
  br label %30, !llvm.loop !17

43:                                               ; preds = %30
  %44 = call i32 @vector_destroy(ptr noundef %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #3
  ret i32 0
}

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

declare i32 @printf(ptr noundef, ...) #2

declare i64 @vector_get_min_buf_siz() #2

declare void @vector_set_min_buf_siz(i64 noundef) #2

declare i32 @vector_create(ptr noundef, i64 noundef, i64 noundef) #2

declare i32 @vector_add(ptr noundef, ptr noundef) #2

declare i32 @vector_at(ptr noundef, i64 noundef, ptr noundef) #2

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

declare i32 @vector_destroy(ptr noundef) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 #3 = { 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 = !{!"long", !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 16}
!12 = !{!"vector_t", !13, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!12, !13, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


; 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.vector_t = type { ptr, i64, i64, i64 }

@.str = external hidden unnamed_addr constant [37 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [36 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca %struct.vector_t, align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #4
  %4 = tail call i64 @vector_get_min_buf_siz() #4
  %5 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %4, i64 noundef 32)
  tail call void @vector_set_min_buf_siz(i64 noundef 32) #4
  %6 = call i32 @vector_create(ptr noundef nonnull %1, i64 noundef 0, i64 noundef 4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %1, i64 16
  br label %8

.preheader:                                       ; preds = %8
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %20

8:                                                ; preds = %0, %8
  %9 = call i32 @vector_add(ptr noundef nonnull %1, ptr noundef nonnull %2) #4
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i64, ptr %7, align 8, !tbaa !9
  %12 = load ptr, ptr %1, align 8, !tbaa !13
  %13 = sext i32 %10 to i64
  %14 = getelementptr inbounds i32, ptr %12, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %10, i64 noundef %11, i32 noundef %15)
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = add nsw i32 %17, 1
  store i32 %18, ptr %2, align 4, !tbaa !5
  %19 = icmp slt i32 %17, 49
  br i1 %19, label %8, label %.preheader, !llvm.loop !14

20:                                               ; preds = %.preheader, %20
  %storemerge23 = phi i32 [ 0, %.preheader ], [ %27, %20 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %21 = sext i32 %storemerge23 to i64
  %22 = call i32 @vector_at(ptr noundef nonnull %1, i64 noundef %21, ptr noundef nonnull %3) #4
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %23, i32 noundef %24)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %2, align 4, !tbaa !5
  %28 = icmp slt i32 %26, 49
  br i1 %28, label %20, label %29, !llvm.loop !16

29:                                               ; preds = %20
  %30 = call i32 @vector_destroy(ptr noundef nonnull %1) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #4
  ret i32 0
}

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

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

declare i64 @vector_get_min_buf_siz() local_unnamed_addr #3

declare void @vector_set_min_buf_siz(i64 noundef) local_unnamed_addr #3

declare i32 @vector_create(ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #3

declare i32 @vector_add(ptr noundef, ptr noundef) local_unnamed_addr #3

declare i32 @vector_at(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #3

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

declare i32 @vector_destroy(ptr noundef) local_unnamed_addr #3

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 #3 = { "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 #4 = { 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 = !{!10, !12, i64 16}
!10 = !{!"vector_t", !11, i64 0, !12, i64 8, !12, i64 16, !12, i64 24}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !11, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass