; LLVM IR from fhanau/Efficient-Compression-Tool :: src/lodepng/lodepng.ll (Z24lodepng_color_stats_initP17LodePNGColorStats)

; 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.LodePNGColorStats = type { i32, i32, i16, i16, i16, i32, i32, [1024 x i8], i32, i64, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z24lodepng_color_stats_initP17LodePNGColorStats(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.LodePNGColorStats, ptr %3, i32 0, i32 0
  store i32 0, ptr %4, align 8, !tbaa !9
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.LodePNGColorStats, ptr %5, i32 0, i32 1
  store i32 0, ptr %6, align 4, !tbaa !14
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.LodePNGColorStats, ptr %7, i32 0, i32 4
  store i16 0, ptr %8, align 4, !tbaa !15
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.LodePNGColorStats, ptr %9, i32 0, i32 3
  store i16 0, ptr %10, align 2, !tbaa !16
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.LodePNGColorStats, ptr %11, i32 0, i32 2
  store i16 0, ptr %12, align 8, !tbaa !17
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.LodePNGColorStats, ptr %13, i32 0, i32 5
  store i32 0, ptr %14, align 8, !tbaa !18
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.LodePNGColorStats, ptr %15, i32 0, i32 6
  store i32 0, ptr %16, align 4, !tbaa !19
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.LodePNGColorStats, ptr %17, i32 0, i32 8
  store i32 1, ptr %18, align 8, !tbaa !20
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.LodePNGColorStats, ptr %19, i32 0, i32 9
  store i64 0, ptr %20, align 8, !tbaa !21
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.LodePNGColorStats, ptr %21, i32 0, i32 10
  store i32 1, ptr %22, align 8, !tbaa !22
  ret void
}

attributes #0 = { mustprogress 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS17LodePNGColorStats", !11, i64 0, !11, i64 4, !12, i64 8, !12, i64 10, !12, i64 12, !11, i64 16, !11, i64 20, !7, i64 24, !11, i64 1048, !13, i64 1056, !11, i64 1064}
!11 = !{!"int", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = !{!10, !11, i64 4}
!15 = !{!10, !12, i64 12}
!16 = !{!10, !12, i64 10}
!17 = !{!10, !12, i64 8}
!18 = !{!10, !11, i64 16}
!19 = !{!10, !11, i64 20}
!20 = !{!10, !11, i64 1048}
!21 = !{!10, !13, i64 1056}
!22 = !{!10, !11, i64 1064}


; 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 void @_Z24lodepng_color_stats_initP17LodePNGColorStats(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 0, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 20
  store i32 0, ptr %3, align 4, !tbaa !12
  %4 = getelementptr inbounds i8, ptr %0, i64 1048
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(14) %0, i8 0, i64 14, i1 false)
  store i32 1, ptr %4, align 8, !tbaa !13
  %5 = getelementptr inbounds i8, ptr %0, i64 1056
  store i64 0, ptr %5, align 8, !tbaa !14
  %6 = getelementptr inbounds i8, ptr %0, i64 1064
  store i32 1, ptr %6, align 8, !tbaa !15
  ret void
}

; 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, !7, i64 16}
!6 = !{!"_ZTS17LodePNGColorStats", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 10, !10, i64 12, !7, i64 16, !7, i64 20, !8, i64 24, !7, i64 1048, !11, i64 1056, !7, i64 1064}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!6, !7, i64 20}
!13 = !{!6, !7, i64 1048}
!14 = !{!6, !11, i64 1056}
!15 = !{!6, !7, i64 1064}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass