; LLVM IR from yudi-matsuzake/libgenerics :: doc/examples (vector0)

; 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 [36 x i8], align 1
@.str.1 = 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 i32, align 4
  %4 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #3
  %5 = call i32 @vector_create(ptr noundef %2, i64 noundef 0, i64 noundef 4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %21, %0
  %7 = load i32, ptr %3, align 4, !tbaa !5
  %8 = icmp slt i32 %7, 50
  br i1 %8, label %9, label %24

9:                                                ; preds = %6
  %10 = call i32 @vector_add(ptr noundef %2, ptr noundef %3)
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = getelementptr inbounds %struct.vector_t, ptr %2, i32 0, i32 2
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.vector_t, ptr %2, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds i32, ptr %15, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %11, i64 noundef %13, i32 noundef %19)
  br label %21

21:                                               ; preds = %9
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %3, align 4, !tbaa !5
  br label %6, !llvm.loop !14

24:                                               ; preds = %6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %35, %24
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = icmp slt i32 %26, 50
  br i1 %27, label %28, label %38

28:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = call i32 @vector_at(ptr noundef %2, i64 noundef %30, ptr noundef %4)
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %32, i32 noundef %33)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %35

35:                                               ; preds = %28
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %3, align 4, !tbaa !5
  br label %25, !llvm.loop !16

38:                                               ; preds = %25
  %39 = call i32 @vector_destroy(ptr noundef %2)
  call void @llvm.lifetime.end.p0(i64 4, 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 @vector_create(ptr noundef, i64 noundef, i64 noundef) #2

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

declare i32 @printf(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 = !{!"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}


; 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 [36 x i8], align 1
@.str.1 = 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 = 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
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  br label %6

.preheader:                                       ; preds = %6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %18

6:                                                ; preds = %0, %6
  %7 = call i32 @vector_add(ptr noundef nonnull %1, ptr noundef nonnull %2) #4
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i64, ptr %5, align 8, !tbaa !9
  %10 = load ptr, ptr %1, align 8, !tbaa !13
  %11 = sext i32 %8 to i64
  %12 = getelementptr inbounds i32, ptr %10, i64 %11
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %8, i64 noundef %9, i32 noundef %13)
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %2, align 4, !tbaa !5
  %17 = icmp slt i32 %15, 49
  br i1 %17, label %6, label %.preheader, !llvm.loop !14

18:                                               ; preds = %.preheader, %18
  %storemerge12 = phi i32 [ 0, %.preheader ], [ %25, %18 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %19 = sext i32 %storemerge12 to i64
  %20 = call i32 @vector_at(ptr noundef nonnull %1, i64 noundef %19, ptr noundef nonnull %3) #4
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = load i32, ptr %3, align 4, !tbaa !5
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %21, i32 noundef %22)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %2, align 4, !tbaa !5
  %26 = icmp slt i32 %24, 49
  br i1 %26, label %18, label %27, !llvm.loop !16

27:                                               ; preds = %18
  %28 = 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

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

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

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

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

; 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 #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 = { mustprogress 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 = { 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 #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