; LLVM IR from BrunoLevy/learn-fpga :: LiteX/software/Libs/imgui/imgui.ll (ZN11ImGuiWindow18GetIDFromRectangleERK6ImRect)

; 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.ImRect = type { %struct.ImVec2, %struct.ImVec2 }
%struct.ImVec2 = type { float, float }
%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, i16, [2 x i8], i32, i8, i8, i8, i8, i32, i8, i8, i8, i8, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVector.8, %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.28, float, i32, ptr, %struct.ImDrawList, ptr, ptr, ptr, ptr, ptr, ptr, ptr, [2 x i32], [2 x %struct.ImRect], i32, i32, i8, [7 x i8] }>
%struct.ImVector.8 = 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, %struct.ImVec2, i32, i16, i16, i32, i8, i8, i8, %struct.ImVec2, %struct.ImGuiMenuColumns, i32, i32, %struct.ImVector.3, ptr, ptr, i32, i32, i32, float, float, %struct.ImVector.17, %struct.ImVector.17 }
%struct.ImVec1 = type { float }
%struct.ImGuiMenuColumns = type <{ i32, i32, i16, i16, i16, i16, i16, [4 x i16], [2 x i8] }>
%struct.ImVector.3 = type { i32, i32, ptr }
%struct.ImVector.17 = type { i32, i32, ptr }
%struct.ImVec2ih = type { i16, i16 }
%struct.ImGuiStorage = type { %struct.ImVector.0 }
%struct.ImVector.0 = type { i32, i32, ptr }
%struct.ImVector.28 = type { i32, i32, ptr }
%struct.ImDrawList = type <{ %struct.ImVector.29, %struct.ImVector, %struct.ImVector.30, i32, i32, ptr, ptr, ptr, ptr, %struct.ImVector.31, %struct.ImVector.32, %struct.ImVector.33, %struct.ImDrawCmdHeader, %struct.ImDrawListSplitter, float, [4 x i8] }>
%struct.ImVector.29 = type { i32, i32, ptr }
%struct.ImVector = type { i32, i32, ptr }
%struct.ImVector.30 = type { i32, i32, ptr }
%struct.ImVector.31 = type { i32, i32, ptr }
%struct.ImVector.32 = type { i32, i32, ptr }
%struct.ImVector.33 = 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.18 }
%struct.ImVector.18 = type { i32, i32, ptr }

; 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: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z10ImHashDataPKvmj(ptr noundef, i64 noundef, i32 noundef) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN8ImVectorIjE4backEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5ImGui11KeepAliveIDEj(i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN11ImGuiWindow18GetIDFromRectangleERK6ImRect(ptr noundef nonnull align 8 dereferenceable(937) %0, ptr noundef nonnull align 4 dereferenceable(16) %1) #3 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %struct.ImRect, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %9 = getelementptr inbounds %struct.ImGuiWindow, ptr %8, i32 0, i32 53
  %10 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8ImVectorIjE4backEv(ptr noundef nonnull align 8 dereferenceable(16) %9)
  %11 = load i32, ptr %10, align 4, !tbaa !9
  store i32 %11, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %6) #5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call { <2 x float>, <2 x float> } @_ZN5ImGui18WindowRectAbsToRelEP11ImGuiWindowRK6ImRect(ptr noundef %8, ptr noundef nonnull align 4 dereferenceable(16) %12)
  %14 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %6, i32 0, i32 0
  %15 = extractvalue { <2 x float>, <2 x float> } %13, 0
  store <2 x float> %15, ptr %14, align 4
  %16 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %6, i32 0, i32 1
  %17 = extractvalue { <2 x float>, <2 x float> } %13, 1
  store <2 x float> %17, ptr %16, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = call noundef i32 @_Z10ImHashDataPKvmj(ptr noundef %6, i64 noundef 16, i32 noundef %18)
  store i32 %19, ptr %7, align 4, !tbaa !9
  %20 = load i32, ptr %7, align 4, !tbaa !9
  call void @_ZN5ImGui11KeepAliveIDEj(i32 noundef %20)
  %21 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret i32 %21
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZN5ImGui18WindowRectAbsToRelEP11ImGuiWindowRK6ImRect(ptr noundef, ptr noundef nonnull align 4 dereferenceable(16)) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #4 = { inlinehint mustprogress 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 #5 = { 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 = !{!10, !10, i64 0}
!10 = !{!"int", !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.ImRect = type { %struct.ImVec2, %struct.ImVec2 }
%struct.ImVec2 = type { float, float }

; 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 nounwind uwtable
declare dso_local noundef i32 @_Z10ImHashDataPKvmj(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN8ImVectorIjE4backEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5ImGui11KeepAliveIDEj(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN11ImGuiWindow18GetIDFromRectangleERK6ImRect(ptr noundef nonnull align 8 dereferenceable(937) %0, ptr noundef nonnull align 4 dereferenceable(16) %1) local_unnamed_addr #3 align 2 {
  %3 = alloca %struct.ImRect, align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 200
  %5 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZN8ImVectorIjE4backEv(ptr noundef nonnull align 8 dereferenceable(16) %4)
  %6 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #5
  %7 = tail call { <2 x float>, <2 x float> } @_ZN5ImGui18WindowRectAbsToRelEP11ImGuiWindowRK6ImRect(ptr noundef nonnull %0, ptr noundef nonnull align 4 dereferenceable(16) %1)
  %8 = extractvalue { <2 x float>, <2 x float> } %7, 0
  store <2 x float> %8, ptr %3, align 8
  %9 = getelementptr inbounds i8, ptr %3, i64 8
  %10 = extractvalue { <2 x float>, <2 x float> } %7, 1
  store <2 x float> %10, ptr %9, align 8
  %11 = call noundef i32 @_Z10ImHashDataPKvmj(ptr noundef nonnull %3, i64 noundef 16, i32 noundef %6)
  call void @_ZN5ImGui11KeepAliveIDEj(i32 noundef %11)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #5
  ret i32 %11
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZN5ImGui18WindowRectAbsToRelEP11ImGuiWindowRK6ImRect(ptr noundef, ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #4 = { inlinehint mustprogress 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 #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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