; LLVM IR from alibaba/GCanvas :: core/android/png/thirdparty (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.LodePNGInfo = type { i32, i32, i32, %struct.LodePNGColorMode }
%struct.LodePNGColorMode = type { i32, i32, ptr, i64, i32, i32, i32, i32 }

; 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: nounwind uwtable
declare dso_local void @lodepng_color_mode_init(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @lodepng_color_mode_copy(ptr noundef, ptr noundef) #1

; 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) #2

; Function Attrs: nounwind uwtable
declare dso_local void @lodepng_info_cleanup(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @lodepng_info_copy(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  call void @lodepng_info_cleanup(ptr noundef %8)
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %10, i64 56, i1 false), !tbaa.struct !9
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.LodePNGInfo, ptr %11, i32 0, i32 3
  call void @lodepng_color_mode_init(ptr noundef %12)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.LodePNGInfo, ptr %13, i32 0, i32 3
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.LodePNGInfo, ptr %15, i32 0, i32 3
  %17 = call i32 @lodepng_color_mode_copy(ptr noundef %14, ptr noundef %16)
  store i32 %17, ptr %6, align 4, !tbaa !10
  %18 = load i32, ptr %6, align 4, !tbaa !10
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %22

20:                                               ; preds = %2
  %21 = load i32, ptr %6, align 4, !tbaa !10
  store i32 %21, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %23

22:                                               ; preds = %2
  store i32 0, ptr %7, align 4
  br label %23

23:                                               ; preds = %22, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %24 = load i32, ptr %7, align 4
  switch i32 %24, label %28 [
    i32 0, label %25
    i32 1, label %26
  ]

25:                                               ; preds = %23
  store i32 0, ptr %3, align 4
  br label %26

26:                                               ; preds = %25, %23
  %27 = load i32, ptr %3, align 4
  ret i32 %27

28:                                               ; preds = %23
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !10, i64 16, i64 4, !10, i64 20, i64 4, !10, i64 24, i64 8, !5, i64 32, i64 8, !12, i64 40, i64 4, !10, i64 44, i64 4, !10, i64 48, i64 4, !10, i64 52, i64 4, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !7, 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: nounwind uwtable
declare dso_local void @lodepng_color_mode_init(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @lodepng_color_mode_copy(ptr noundef, ptr noundef) local_unnamed_addr #0

; 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) #1

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

; Function Attrs: nounwind uwtable
define dso_local i32 @lodepng_info_copy(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  tail call void @lodepng_info_cleanup(ptr noundef %0)
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(56) %1, i64 56, i1 false), !tbaa.struct !5
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @lodepng_color_mode_init(ptr noundef nonnull %3)
  %4 = getelementptr inbounds i8, ptr %1, i64 16
  %5 = tail call i32 @lodepng_color_mode_copy(ptr noundef nonnull %3, ptr noundef nonnull %4)
  ret i32 %5
}

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 nounwind willreturn memory(argmem: readwrite) }

!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 = !{i64 0, i64 4, !6, i64 4, i64 4, !6, i64 8, i64 4, !6, i64 16, i64 4, !6, i64 20, i64 4, !6, i64 24, i64 8, !10, i64 32, i64 8, !12, i64 40, i64 4, !6, i64 44, i64 4, !6, i64 48, i64 4, !6, i64 52, i64 4, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !8, i64 0}


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