; LLVM IR from simbody/simbody :: Simbody/Visualizer/simbody-visualizer (lodepng)

; 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.LodePNG_InfoPng = type { i32, i32, i32, i32, i32, %struct.LodePNG_InfoColor, i32, i32, i32, i32, %struct.LodePNG_Text, %struct.LodePNG_IText, i8, %struct.LodePNG_Time, i32, i32, i32, i8, %struct.LodePNG_UnknownChunks }
%struct.LodePNG_InfoColor = type { i32, i32, ptr, i64, i32, i32, i32, i32 }
%struct.LodePNG_Text = type { i64, ptr, ptr }
%struct.LodePNG_IText = type { i64, ptr, ptr, ptr, ptr }
%struct.LodePNG_Time = type { i32, i8, i8, i8, i8, i8 }
%struct.LodePNG_UnknownChunks = type { [3 x ptr], [3 x i64] }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z22LodePNG_InfoColor_initP17LodePNG_InfoColor(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z26LodePNG_UnknownChunks_initP21LodePNG_UnknownChunks(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z17LodePNG_Text_initP12LodePNG_Text(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z18LodePNG_IText_initP13LodePNG_IText(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z20LodePNG_InfoPng_initP15LodePNG_InfoPng(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.LodePNG_InfoPng, ptr %3, i32 0, i32 1
  store i32 0, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %5, i32 0, i32 0
  store i32 0, ptr %6, align 8, !tbaa !18
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %7, i32 0, i32 5
  call void @_Z22LodePNG_InfoColor_initP17LodePNG_InfoColor(ptr noundef %8)
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %9, i32 0, i32 4
  store i32 0, ptr %10, align 8, !tbaa !19
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %11, i32 0, i32 2
  store i32 0, ptr %12, align 8, !tbaa !20
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %13, i32 0, i32 3
  store i32 0, ptr %14, align 4, !tbaa !21
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %15, i32 0, i32 6
  store i32 0, ptr %16, align 8, !tbaa !22
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %17, i32 0, i32 9
  store i32 0, ptr %18, align 4, !tbaa !23
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %19, i32 0, i32 8
  store i32 0, ptr %20, align 8, !tbaa !24
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %21, i32 0, i32 7
  store i32 0, ptr %22, align 4, !tbaa !25
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %23, i32 0, i32 10
  call void @_Z17LodePNG_Text_initP12LodePNG_Text(ptr noundef %24)
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %25, i32 0, i32 11
  call void @_Z18LodePNG_IText_initP13LodePNG_IText(ptr noundef %26)
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %27, i32 0, i32 12
  store i8 0, ptr %28, align 8, !tbaa !26
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %29, i32 0, i32 14
  store i32 0, ptr %30, align 8, !tbaa !27
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.LodePNG_InfoPng, ptr %31, i32 0, i32 18
  call void @_Z26LodePNG_UnknownChunks_initP21LodePNG_UnknownChunks(ptr noundef %32)
  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 4}
!10 = !{!"_ZTS15LodePNG_InfoPng", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !12, i64 24, !11, i64 64, !11, i64 68, !11, i64 72, !11, i64 76, !14, i64 80, !15, i64 104, !7, i64 144, !16, i64 148, !11, i64 160, !11, i64 164, !11, i64 168, !7, i64 172, !17, i64 176}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS17LodePNG_InfoColor", !11, i64 0, !11, i64 4, !6, i64 8, !13, i64 16, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36}
!13 = !{!"long", !7, i64 0}
!14 = !{!"_ZTS12LodePNG_Text", !13, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!"_ZTS13LodePNG_IText", !13, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!16 = !{!"_ZTS12LodePNG_Time", !11, i64 0, !7, i64 4, !7, i64 5, !7, i64 6, !7, i64 7, !7, i64 8}
!17 = !{!"_ZTS21LodePNG_UnknownChunks", !7, i64 0, !7, i64 24}
!18 = !{!10, !11, i64 0}
!19 = !{!10, !11, i64 16}
!20 = !{!10, !11, i64 8}
!21 = !{!10, !11, i64 12}
!22 = !{!10, !11, i64 64}
!23 = !{!10, !11, i64 76}
!24 = !{!10, !11, i64 72}
!25 = !{!10, !11, i64 68}
!26 = !{!10, !7, i64 144}
!27 = !{!10, !11, i64 160}


; 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 nounwind uwtable
declare dso_local void @_Z22LodePNG_InfoColor_initP17LodePNG_InfoColor(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z26LodePNG_UnknownChunks_initP21LodePNG_UnknownChunks(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z17LodePNG_Text_initP12LodePNG_Text(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z18LodePNG_IText_initP13LodePNG_IText(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z20LodePNG_InfoPng_initP15LodePNG_InfoPng(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 0, ptr %2, align 4, !tbaa !5
  store i32 0, ptr %0, align 8, !tbaa !17
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @_Z22LodePNG_InfoColor_initP17LodePNG_InfoColor(ptr noundef nonnull %3)
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 0, ptr %4, align 8, !tbaa !18
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 0, ptr %5, align 8, !tbaa !19
  %6 = getelementptr inbounds i8, ptr %0, i64 12
  store i32 0, ptr %6, align 4, !tbaa !20
  %7 = getelementptr inbounds i8, ptr %0, i64 64
  %8 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %7, i8 0, i64 16, i1 false)
  tail call void @_Z17LodePNG_Text_initP12LodePNG_Text(ptr noundef nonnull %8)
  %9 = getelementptr inbounds i8, ptr %0, i64 104
  tail call void @_Z18LodePNG_IText_initP13LodePNG_IText(ptr noundef nonnull %9)
  %10 = getelementptr inbounds i8, ptr %0, i64 144
  store i8 0, ptr %10, align 8, !tbaa !21
  %11 = getelementptr inbounds i8, ptr %0, i64 160
  store i32 0, ptr %11, align 8, !tbaa !22
  %12 = getelementptr inbounds i8, ptr %0, i64 176
  tail call void @_Z26LodePNG_UnknownChunks_initP21LodePNG_UnknownChunks(ptr noundef nonnull %12)
  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 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 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 4}
!6 = !{!"_ZTS15LodePNG_InfoPng", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !10, i64 24, !7, i64 64, !7, i64 68, !7, i64 72, !7, i64 76, !13, i64 80, !14, i64 104, !8, i64 144, !15, i64 148, !7, i64 160, !7, i64 164, !7, i64 168, !8, i64 172, !16, i64 176}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS17LodePNG_InfoColor", !7, i64 0, !7, i64 4, !11, i64 8, !12, i64 16, !7, i64 24, !7, i64 28, !7, i64 32, !7, i64 36}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"long", !8, i64 0}
!13 = !{!"_ZTS12LodePNG_Text", !12, i64 0, !11, i64 8, !11, i64 16}
!14 = !{!"_ZTS13LodePNG_IText", !12, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32}
!15 = !{!"_ZTS12LodePNG_Time", !7, i64 0, !8, i64 4, !8, i64 5, !8, i64 6, !8, i64 7, !8, i64 8}
!16 = !{!"_ZTS21LodePNG_UnknownChunks", !8, i64 0, !8, i64 24}
!17 = !{!6, !7, i64 0}
!18 = !{!6, !7, i64 16}
!19 = !{!6, !7, i64 8}
!20 = !{!6, !7, i64 12}
!21 = !{!6, !8, i64 144}
!22 = !{!6, !7, i64 160}


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