; LLVM IR from yudi-matsuzake/libgenerics :: src (vector)

; 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 }

; 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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @vector_set_elem_at(ptr noundef %0, i64 noundef %1, ptr noundef %2) #2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %3
  store i32 1, ptr %4, align 4
  br label %45

14:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.vector_t, ptr %16, i32 0, i32 3
  %18 = load i64, ptr %17, align 8, !tbaa !11
  %19 = mul i64 %15, %18
  store i64 %19, ptr %8, align 8, !tbaa !9
  %20 = load i64, ptr %8, align 8, !tbaa !9
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.vector_t, ptr %21, i32 0, i32 2
  %23 = load i64, ptr %22, align 8, !tbaa !13
  %24 = icmp uge i64 %20, %23
  br i1 %24, label %25, label %26

25:                                               ; preds = %14
  store i32 7, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %44

26:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.vector_t, ptr %27, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8, !tbaa !14
  %30 = load i64, ptr %8, align 8, !tbaa !9
  %31 = getelementptr inbounds i8, ptr %29, i64 %30
  store ptr %31, ptr %10, align 8, !tbaa !5
  %32 = load ptr, ptr %10, align 8, !tbaa !5
  %33 = icmp ne ptr %32, null
  br i1 %33, label %34, label %43

34:                                               ; preds = %26
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  %36 = icmp ne ptr %35, null
  br i1 %36, label %37, label %43

37:                                               ; preds = %34
  %38 = load ptr, ptr %10, align 8, !tbaa !5
  %39 = load ptr, ptr %7, align 8, !tbaa !5
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.vector_t, ptr %40, i32 0, i32 3
  %42 = load i64, ptr %41, align 8, !tbaa !11
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %38, ptr align 1 %39, i64 %42, i1 false)
  br label %43

43:                                               ; preds = %37, %34, %26
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %44

44:                                               ; preds = %43, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %45

45:                                               ; preds = %44, %13
  %46 = load i32, ptr %4, align 4
  ret i32 %46
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 24}
!12 = !{!"vector_t", !6, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!13 = !{!12, !10, i64 16}
!14 = !{!12, !6, i64 0}


; 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: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local range(i32 0, 8) i32 @vector_set_elem_at(ptr noundef readonly %0, i64 noundef %1, ptr noundef readonly %2) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %16, label %4

4:                                                ; preds = %3
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %7 = mul i64 %6, %1
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  %9 = load i64, ptr %8, align 8, !tbaa !11
  %.not17 = icmp ult i64 %7, %9
  br i1 %.not17, label %10, label %16

10:                                               ; preds = %4
  %11 = load ptr, ptr %0, align 8, !tbaa !12
  %12 = icmp ne ptr %11, null
  %13 = icmp ne ptr %2, null
  %or.cond = and i1 %13, %12
  br i1 %or.cond, label %14, label %16

14:                                               ; preds = %10
  %15 = getelementptr inbounds i8, ptr %11, i64 %7
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %15, ptr nonnull align 1 %2, i64 %6, i1 false)
  br label %16

16:                                               ; preds = %4, %14, %10, %3
  %.1 = phi i32 [ 1, %3 ], [ 7, %4 ], [ 0, %14 ], [ 0, %10 ]
  ret i32 %.1
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) 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, !10, i64 24}
!6 = !{!"vector_t", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!6, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass