; LLVM IR from CubbyFlow/RenderFlow :: Extensions/FlowEditor/sample_utils/file_png.ll (Z17lodepng_info_swapP11LodePNGInfoS0_)

; 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, i32, i32, i32, i32, i64, ptr, ptr, i64, ptr, ptr, ptr, ptr, i32, %struct.LodePNGTime, i32, i32, i32, i32, [3 x ptr], [3 x i64] }
%struct.LodePNGColorMode = type { i32, i32, ptr, i64, i32, i32, i32, i32 }
%struct.LodePNGTime = type { i32, i32, 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: 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: mustprogress nounwind uwtable
define dso_local void @_Z17lodepng_info_swapP11LodePNGInfoS0_(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.LodePNGInfo, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 232, ptr %5) #3
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %6, i64 232, i1 false), !tbaa.struct !9
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %8, ptr align 8 %7, i64 232, i1 false), !tbaa.struct !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %9, ptr align 8 %5, i64 232, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 232, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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++ TBAA"}
!9 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !10, i64 16, i64 4, !12, i64 20, i64 4, !10, i64 24, i64 8, !5, i64 32, i64 8, !14, i64 40, i64 4, !10, i64 44, i64 4, !10, i64 48, i64 4, !10, i64 52, i64 4, !10, i64 56, i64 4, !10, i64 60, i64 4, !10, i64 64, i64 4, !10, i64 68, i64 4, !10, i64 72, i64 8, !14, i64 80, i64 8, !5, i64 88, i64 8, !5, i64 96, i64 8, !14, i64 104, i64 8, !5, i64 112, i64 8, !5, i64 120, i64 8, !5, i64 128, i64 8, !5, i64 136, i64 4, !10, i64 140, i64 4, !10, i64 144, i64 4, !10, i64 148, i64 4, !10, i64 152, i64 4, !10, i64 156, i64 4, !10, i64 160, i64 4, !10, i64 164, i64 4, !10, i64 168, i64 4, !10, i64 172, i64 4, !10, i64 176, i64 4, !10, i64 184, i64 24, !16, i64 208, i64 24, !16}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"_ZTS16LodePNGColorType", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"long", !7, i64 0}
!16 = !{!7, !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"

%struct.LodePNGInfo = type { i32, i32, i32, %struct.LodePNGColorMode, i32, i32, i32, i32, i64, ptr, ptr, i64, ptr, ptr, ptr, ptr, i32, %struct.LodePNGTime, i32, i32, i32, i32, [3 x ptr], [3 x i64] }
%struct.LodePNGColorMode = type { i32, i32, ptr, i64, i32, i32, i32, i32 }
%struct.LodePNGTime = type { i32, i32, i32, i32, i32, i32 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_Z17lodepng_info_swapP11LodePNGInfoS0_(ptr nocapture noundef %0, ptr nocapture noundef %1) local_unnamed_addr #2 {
  %3 = alloca %struct.LodePNGInfo, align 8
  call void @llvm.lifetime.start.p0(i64 232, ptr nonnull %3)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(232) %3, ptr noundef nonnull align 8 dereferenceable(232) %0, i64 232, i1 false), !tbaa.struct !5
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(232) %0, ptr noundef nonnull align 8 dereferenceable(232) %1, i64 232, i1 false), !tbaa.struct !5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(232) %1, ptr noundef nonnull align 8 dereferenceable(232) %3, i64 232, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.end.p0(i64 232, ptr nonnull %3)
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{i64 0, i64 4, !6, i64 4, i64 4, !6, i64 8, i64 4, !6, i64 16, i64 4, !10, i64 20, i64 4, !6, i64 24, i64 8, !12, i64 32, i64 8, !14, i64 40, i64 4, !6, i64 44, i64 4, !6, i64 48, i64 4, !6, i64 52, i64 4, !6, i64 56, i64 4, !6, i64 60, i64 4, !6, i64 64, i64 4, !6, i64 68, i64 4, !6, i64 72, i64 8, !14, i64 80, i64 8, !12, i64 88, i64 8, !12, i64 96, i64 8, !14, i64 104, i64 8, !12, i64 112, i64 8, !12, i64 120, i64 8, !12, i64 128, i64 8, !12, i64 136, i64 4, !6, i64 140, i64 4, !6, i64 144, i64 4, !6, i64 148, i64 4, !6, i64 152, i64 4, !6, i64 156, i64 4, !6, i64 160, i64 4, !6, i64 164, i64 4, !6, i64 168, i64 4, !6, i64 172, i64 4, !6, i64 176, i64 4, !6, i64 184, i64 24, !16, i64 208, i64 24, !16}
!6 = !{!7, !7, i64 0}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"_ZTS16LodePNGColorType", !8, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !8, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"long", !8, i64 0}
!16 = !{!8, !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass