; LLVM IR from nde-jesu/Doom_Nukem :: libft/srcs/memory (ft_memset)

; 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: nounwind uwtable
define dso_local ptr @ft_memset(ptr noundef %0, i32 noundef %1, i64 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  store i64 -1, ptr %8, align 8, !tbaa !11
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %9, ptr %7, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %23, %3
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %21

13:                                               ; preds = %10
  %14 = load i64, ptr %6, align 8, !tbaa !11
  %15 = icmp ne i64 %14, 0
  br i1 %15, label %16, label %21

16:                                               ; preds = %13
  %17 = load i64, ptr %8, align 8, !tbaa !11
  %18 = add i64 %17, 1
  store i64 %18, ptr %8, align 8, !tbaa !11
  %19 = load i64, ptr %6, align 8, !tbaa !11
  %20 = icmp ult i64 %18, %19
  br label %21

21:                                               ; preds = %16, %13, %10
  %22 = phi i1 [ false, %13 ], [ false, %10 ], [ %20, %16 ]
  br i1 %22, label %23, label %29

23:                                               ; preds = %21
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = trunc i32 %24 to i8
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load i64, ptr %8, align 8, !tbaa !11
  %28 = getelementptr inbounds i8, ptr %26, i64 %27
  store i8 %25, ptr %28, align 1, !tbaa !13
  br label %10, !llvm.loop !14

29:                                               ; preds = %21
  %30 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret ptr %30
}

; 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

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, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local noundef ptr @ft_memset(ptr noundef returned writeonly %0, i32 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = icmp ne ptr %0, null
  %5 = icmp ne i64 %2, 0
  %or.cond = and i1 %4, %5
  br i1 %or.cond, label %.lr.ph, label %.critedge

.lr.ph:                                           ; preds = %3
  %6 = trunc i32 %1 to i8
  tail call void @llvm.memset.p0.i64(ptr nonnull align 1 %0, i8 %6, i64 %2, i1 false), !tbaa !5
  br label %.critedge

.critedge:                                        ; preds = %.lr.ph, %3
  ret ptr %0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 nounwind willreturn memory(argmem: write) }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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