; LLVM IR from Devaniti/BoolkaEngine :: ThirdParty/imgui/imgui.ll (ZN5ImGui23FocusableItemUnregisterEP11ImGuiWindow)

; 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.ImGuiWindow = type <{ ptr, i32, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, float, i32, i32, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i16, i16, i16, i32, i8, i8, i8, i8, i32, i8, i8, i8, i32, i8, %struct.ImVec2, %struct.ImVec2, [4 x i8], %struct.ImVector.7, %struct.ImGuiWindowTempData, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImRect, %struct.ImVec2ih, %struct.ImVec2ih, i32, float, float, [4 x i8], %struct.ImGuiStorage, %struct.ImVector.30, float, i32, ptr, %struct.ImDrawList, ptr, ptr, ptr, ptr, ptr, [2 x i32], [2 x %struct.ImRect], i32, i32, i8, [7 x i8] }>
%struct.ImVec2 = type { float, float }
%struct.ImVector.7 = type { i32, i32, ptr }
%struct.ImGuiWindowTempData = type <{ %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, float, %struct.ImVec1, %struct.ImVec1, %struct.ImVec1, i32, i32, %struct.ImRect, %struct.ImRect, i32, i32, i32, i32, i8, i8, i8, i8, %struct.ImVec2, %struct.ImGuiMenuColumns, i32, i32, [4 x i8], %struct.ImVector.3, ptr, ptr, i32, i32, i32, i32, i32, i32, float, float, %struct.ImVector.21, %struct.ImVector.21, %struct.ImGuiStackSizes, [2 x i8] }>
%struct.ImVec1 = type { float }
%struct.ImGuiMenuColumns = type { float, float, float, [3 x float], [3 x float] }
%struct.ImVector.3 = type { i32, i32, ptr }
%struct.ImVector.21 = type { i32, i32, ptr }
%struct.ImGuiStackSizes = type { i16, i16, i16, i16, i16, i16, i16 }
%struct.ImRect = type { %struct.ImVec2, %struct.ImVec2 }
%struct.ImVec2ih = type { i16, i16 }
%struct.ImGuiStorage = type { %struct.ImVector.0 }
%struct.ImVector.0 = type { i32, i32, ptr }
%struct.ImVector.30 = type { i32, i32, ptr }
%struct.ImDrawList = type <{ %struct.ImVector.12, %struct.ImVector, %struct.ImVector.13, i32, i32, ptr, ptr, ptr, ptr, %struct.ImVector.14, %struct.ImVector.15, %struct.ImVector.16, %struct.ImDrawCmdHeader, %struct.ImDrawListSplitter, float, [4 x i8] }>
%struct.ImVector.12 = type { i32, i32, ptr }
%struct.ImVector = type { i32, i32, ptr }
%struct.ImVector.13 = type { i32, i32, ptr }
%struct.ImVector.14 = type { i32, i32, ptr }
%struct.ImVector.15 = type { i32, i32, ptr }
%struct.ImVector.16 = type { i32, i32, ptr }
%struct.ImDrawCmdHeader = type <{ %struct.ImVec4, ptr, i32, [4 x i8] }>
%struct.ImVec4 = type { float, float, float, float }
%struct.ImDrawListSplitter = type { i32, i32, %struct.ImVector.17 }
%struct.ImVector.17 = type { i32, i32, ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5ImGui23FocusableItemUnregisterEP11ImGuiWindow(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.ImGuiWindow, ptr %3, i32 0, i32 53
  %5 = getelementptr inbounds %struct.ImGuiWindowTempData, ptr %4, i32 0, i32 35
  %6 = load i32, ptr %5, align 4, !tbaa !9
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %5, align 4, !tbaa !9
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.ImGuiWindow, ptr %8, i32 0, i32 53
  %10 = getelementptr inbounds %struct.ImGuiWindowTempData, ptr %9, i32 0, i32 36
  %11 = load i32, ptr %10, align 8, !tbaa !40
  %12 = add nsw i32 %11, -1
  store i32 %12, ptr %10, align 8, !tbaa !40
  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 452}
!10 = !{!"_ZTS11ImGuiWindow", !6, i64 0, !11, i64 8, !11, i64 12, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !12, i64 56, !12, i64 64, !13, i64 72, !13, i64 76, !11, i64 80, !11, i64 84, !11, i64 88, !12, i64 92, !12, i64 100, !12, i64 108, !12, i64 116, !12, i64 124, !12, i64 132, !14, i64 140, !14, i64 141, !14, i64 142, !14, i64 143, !14, i64 144, !14, i64 145, !14, i64 146, !14, i64 147, !14, i64 148, !14, i64 149, !14, i64 150, !14, i64 151, !7, i64 152, !15, i64 154, !15, i64 156, !15, i64 158, !11, i64 160, !7, i64 164, !7, i64 165, !7, i64 166, !14, i64 167, !11, i64 168, !7, i64 172, !7, i64 173, !7, i64 174, !11, i64 175, !11, i64 176, !11, i64 177, !12, i64 180, !12, i64 188, !16, i64 200, !17, i64 216, !19, i64 520, !19, i64 536, !19, i64 552, !19, i64 568, !19, i64 584, !19, i64 600, !19, i64 616, !25, i64 632, !25, i64 636, !11, i64 640, !13, i64 644, !13, i64 648, !26, i64 656, !28, i64 672, !13, i64 688, !11, i64 692, !6, i64 696, !29, i64 704, !6, i64 904, !6, i64 912, !6, i64 920, !6, i64 928, !6, i64 936, !7, i64 944, !7, i64 952, !11, i64 984, !11, i64 988, !14, i64 992}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS6ImVec2", !13, i64 0, !13, i64 4}
!13 = !{!"float", !7, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{!"short", !7, i64 0}
!16 = !{!"_ZTS8ImVectorIjE", !11, i64 0, !11, i64 4, !6, i64 8}
!17 = !{!"_ZTS19ImGuiWindowTempData", !12, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !13, i64 56, !13, i64 60, !18, i64 64, !18, i64 68, !18, i64 72, !11, i64 76, !11, i64 80, !19, i64 84, !19, i64 100, !20, i64 116, !11, i64 120, !11, i64 124, !11, i64 128, !14, i64 132, !14, i64 133, !14, i64 134, !12, i64 136, !21, i64 144, !11, i64 180, !11, i64 184, !22, i64 192, !6, i64 208, !6, i64 216, !11, i64 224, !11, i64 228, !11, i64 232, !11, i64 236, !11, i64 240, !11, i64 244, !13, i64 248, !13, i64 252, !23, i64 256, !23, i64 272, !24, i64 288}
!18 = !{!"_ZTS6ImVec1", !13, i64 0}
!19 = !{!"_ZTS6ImRect", !12, i64 0, !12, i64 8}
!20 = !{!"_ZTS13ImGuiNavLayer", !7, i64 0}
!21 = !{!"_ZTS16ImGuiMenuColumns", !13, i64 0, !13, i64 4, !13, i64 8, !7, i64 12, !7, i64 24}
!22 = !{!"_ZTS8ImVectorIP11ImGuiWindowE", !11, i64 0, !11, i64 4, !6, i64 8}
!23 = !{!"_ZTS8ImVectorIfE", !11, i64 0, !11, i64 4, !6, i64 8}
!24 = !{!"_ZTS15ImGuiStackSizes", !15, i64 0, !15, i64 2, !15, i64 4, !15, i64 6, !15, i64 8, !15, i64 10, !15, i64 12}
!25 = !{!"_ZTS8ImVec2ih", !15, i64 0, !15, i64 2}
!26 = !{!"_ZTS12ImGuiStorage", !27, i64 0}
!27 = !{!"_ZTS8ImVectorIN12ImGuiStorage16ImGuiStoragePairEE", !11, i64 0, !11, i64 4, !6, i64 8}
!28 = !{!"_ZTS8ImVectorI15ImGuiOldColumnsE", !11, i64 0, !11, i64 4, !6, i64 8}
!29 = !{!"_ZTS10ImDrawList", !30, i64 0, !31, i64 16, !32, i64 32, !11, i64 48, !11, i64 52, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !33, i64 88, !34, i64 104, !35, i64 120, !36, i64 136, !38, i64 168, !13, i64 192}
!30 = !{!"_ZTS8ImVectorI9ImDrawCmdE", !11, i64 0, !11, i64 4, !6, i64 8}
!31 = !{!"_ZTS8ImVectorItE", !11, i64 0, !11, i64 4, !6, i64 8}
!32 = !{!"_ZTS8ImVectorI10ImDrawVertE", !11, i64 0, !11, i64 4, !6, i64 8}
!33 = !{!"_ZTS8ImVectorI6ImVec4E", !11, i64 0, !11, i64 4, !6, i64 8}
!34 = !{!"_ZTS8ImVectorIPvE", !11, i64 0, !11, i64 4, !6, i64 8}
!35 = !{!"_ZTS8ImVectorI6ImVec2E", !11, i64 0, !11, i64 4, !6, i64 8}
!36 = !{!"_ZTS15ImDrawCmdHeader", !37, i64 0, !6, i64 16, !11, i64 24}
!37 = !{!"_ZTS6ImVec4", !13, i64 0, !13, i64 4, !13, i64 8, !13, i64 12}
!38 = !{!"_ZTS18ImDrawListSplitter", !11, i64 0, !11, i64 4, !39, i64 8}
!39 = !{!"_ZTS8ImVectorI13ImDrawChannelE", !11, i64 0, !11, i64 4, !6, i64 8}
!40 = !{!10, !11, i64 456}


; 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: readwrite) uwtable
define dso_local void @_ZN5ImGui23FocusableItemUnregisterEP11ImGuiWindow(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 452
  %3 = load <2 x i32>, ptr %2, align 4, !tbaa !5
  %4 = add nsw <2 x i32> %3, <i32 -1, i32 -1>
  store <2 x i32> %4, ptr %2, align 4, !tbaa !5
  ret void
}

attributes #0 = { 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 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass