; LLVM IR from l1mey112/yr11-physics-applied :: cimgui (cimgui)

; 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 }

; 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 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: 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 @ImGuiViewportP_CalcWorkRectSize(ptr noundef %0, ptr noundef %1, <2 x float> %2, <2 x float> %3) #2 {
  %5 = alloca %struct.ImVec2, align 4
  %6 = alloca %struct.ImVec2, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %struct.ImVec2, align 4
  store <2 x float> %2, ptr %5, align 4
  store <2 x float> %3, ptr %6, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = load ptr, ptr %8, align 8, !tbaa !5
  %11 = call <2 x float> @_ZNK14ImGuiViewportP16CalcWorkRectSizeERK6ImVec2S2_(ptr noundef nonnull align 8 dereferenceable(184) %10, ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
  store <2 x float> %11, ptr %9, align 4
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 %9, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_ZNK14ImGuiViewportP16CalcWorkRectSizeERK6ImVec2S2_(ptr noundef nonnull align 8 dereferenceable(184), ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

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 = { 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 uwtable
define dso_local void @ImGuiViewportP_CalcWorkRectSize(ptr nocapture noundef writeonly %0, ptr noundef nonnull %1, <2 x float> %2, <2 x float> %3) local_unnamed_addr #0 {
  %5 = alloca %struct.ImVec2, align 8
  %6 = alloca %struct.ImVec2, align 8
  store <2 x float> %2, ptr %5, align 8
  store <2 x float> %3, ptr %6, align 8
  %7 = call <2 x float> @_ZNK14ImGuiViewportP16CalcWorkRectSizeERK6ImVec2S2_(ptr noundef nonnull align 8 dereferenceable(184) %1, ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
  store <2 x float> %7, ptr %0, align 4
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local <2 x float> @_ZNK14ImGuiViewportP16CalcWorkRectSizeERK6ImVec2S2_(ptr noundef nonnull align 8 dereferenceable(184), ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

attributes #0 = { 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" }

!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: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,PostOrderFunctionAttrsPass,SROAPass