; LLVM IR from yangfengzzz/DigitalVox4 :: editor/imgui_node_editor.ll (ZN3vox10NodeEditor6Detail4Node10UpdateDragERK6ImVec2)

; 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.ImVec2 = type { float, float }
%"struct.vox::NodeEditor::Detail::Node" = type <{ %"struct.vox::NodeEditor::Detail::Object.base", [7 x i8], %"struct.vox::NodeEditor::NodeId", i32, %struct.ImRect, i32, ptr, %struct.ImVec2, i32, i32, float, float, i32, i32, float, float, %struct.ImRect, i8, i8, [6 x i8] }>
%"struct.vox::NodeEditor::Detail::Object.base" = type <{ ptr, ptr, i8 }>
%"struct.vox::NodeEditor::NodeId" = type { %"struct.vox::NodeEditor::Details::SafePointerType.6" }
%"struct.vox::NodeEditor::Details::SafePointerType.6" = type { %"struct.vox::NodeEditor::Details::SafeType.7" }
%"struct.vox::NodeEditor::Details::SafeType.7" = type { i64 }
%struct.ImRect = type { %struct.ImVec2, %struct.ImVec2 }

; 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 uwtable
define dso_local void @_ZN3vox10NodeEditor6Detail4Node10UpdateDragERK6ImVec2(ptr noundef nonnull align 8 dereferenceable(128) %0, ptr noundef nonnull align 4 dereferenceable(8) %1) unnamed_addr #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.ImVec2, align 4
  %6 = alloca %struct.ImVec2, align 4
  %7 = alloca %struct.ImVec2, align 4
  %8 = alloca %struct.ImVec2, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %10 = getelementptr inbounds %"struct.vox::NodeEditor::Detail::Node", ptr %9, i32 0, i32 4
  %11 = call <2 x float> @_ZNK6ImRect7GetSizeEv(ptr noundef nonnull align 4 dereferenceable(16) %10)
  store <2 x float> %11, ptr %5, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %12 = getelementptr inbounds %"struct.vox::NodeEditor::Detail::Node", ptr %9, i32 0, i32 7
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 4 dereferenceable(8) %13)
  store <2 x float> %14, ptr %7, align 4
  %15 = call <2 x float> @_ZL7ImFloorRK6ImVec2(ptr noundef nonnull align 4 dereferenceable(8) %7)
  store <2 x float> %15, ptr %6, align 4
  %16 = getelementptr inbounds %"struct.vox::NodeEditor::Detail::Node", ptr %9, i32 0, i32 4
  %17 = getelementptr inbounds %struct.ImRect, ptr %16, i32 0, i32 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 4 %6, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %18 = getelementptr inbounds %"struct.vox::NodeEditor::Detail::Node", ptr %9, i32 0, i32 4
  %19 = getelementptr inbounds %struct.ImRect, ptr %18, i32 0, i32 0
  %20 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %19, ptr noundef nonnull align 4 dereferenceable(8) %5)
  store <2 x float> %20, ptr %8, align 4
  %21 = getelementptr inbounds %"struct.vox::NodeEditor::Detail::Node", ptr %9, i32 0, i32 4
  %22 = getelementptr inbounds %struct.ImRect, ptr %21, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %22, ptr align 4 %8, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_ZNK6ImRect7GetSizeEv(ptr noundef nonnull align 4 dereferenceable(16)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZL7ImFloorRK6ImVec2(ptr noundef nonnull align 4 dereferenceable(8)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { inlinehint 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 = { 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}
!10 = !{!11, !11, i64 0}
!11 = !{!"float", !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.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 uwtable
define dso_local void @_ZN3vox10NodeEditor6Detail4Node10UpdateDragERK6ImVec2(ptr noundef nonnull align 8 dereferenceable(128) %0, ptr noundef nonnull align 4 dereferenceable(8) %1) unnamed_addr #1 align 2 {
  %3 = alloca %struct.ImVec2, align 8
  %4 = alloca %struct.ImVec2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %5 = getelementptr inbounds i8, ptr %0, i64 36
  %6 = tail call <2 x float> @_ZNK6ImRect7GetSizeEv(ptr noundef nonnull align 4 dereferenceable(16) %5)
  store <2 x float> %6, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %7 = getelementptr inbounds i8, ptr %0, i64 64
  %8 = tail call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(8) %1)
  store <2 x float> %8, ptr %4, align 8
  %9 = call <2 x float> @_ZL7ImFloorRK6ImVec2(ptr noundef nonnull align 4 dereferenceable(8) %4)
  store <2 x float> %9, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %10 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %3)
  %11 = getelementptr inbounds i8, ptr %0, i64 44
  store <2 x float> %10, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_ZNK6ImRect7GetSizeEv(ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZL7ImFloorRK6ImVec2(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #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)"}


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