; LLVM IR from yangfengzzz/DigitalVox4 :: editor/imgui_canvas.ll (ZNK7ImGuiEx6Canvas9FromLocalERK6ImVec2RKNS_10CanvasViewE)

; 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.ImGuiEx::CanvasView" = type { %struct.ImVec2, float, float }
%"struct.ImGuiEx::Canvas" = type <{ i8, [3 x i8], %struct.ImVec2, %struct.ImVec2, %struct.ImRect, [4 x i8], ptr, i32, i32, i32, %"struct.ImGuiEx::CanvasView", %struct.ImRect, %struct.ImVec2, i32, float, %struct.ImVec2, %struct.ImVec2, [5 x %struct.ImVec2], %struct.ImVec2, [4 x i8] }>
%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: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #1

; Function Attrs: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZmlRK6ImVec2f(ptr noundef nonnull align 4 dereferenceable(8), float noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local <2 x float> @_ZNK7ImGuiEx6Canvas9FromLocalERK6ImVec2RKNS_10CanvasViewE(ptr noundef nonnull align 8 dereferenceable(172) %0, ptr noundef nonnull align 4 dereferenceable(8) %1, ptr noundef nonnull align 4 dereferenceable(16) %2) #2 align 2 {
  %4 = alloca %struct.ImVec2, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %struct.ImVec2, align 4
  %9 = alloca %struct.ImVec2, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = getelementptr inbounds %"struct.ImGuiEx::CanvasView", ptr %12, i32 0, i32 1
  %14 = load float, ptr %13, align 4, !tbaa !9
  %15 = call <2 x float> @_ZmlRK6ImVec2f(ptr noundef nonnull align 4 dereferenceable(8) %11, float noundef %14)
  store <2 x float> %15, ptr %9, align 4
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = getelementptr inbounds %"struct.ImGuiEx::CanvasView", ptr %16, i32 0, i32 0
  %18 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(8) %17)
  store <2 x float> %18, ptr %8, align 4
  %19 = getelementptr inbounds %"struct.ImGuiEx::Canvas", ptr %10, i32 0, i32 2
  %20 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %8, ptr noundef nonnull align 4 dereferenceable(8) %19)
  store <2 x float> %20, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %21 = load <2 x float>, ptr %4, align 4
  ret <2 x float> %21
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!10, !12, i64 8}
!10 = !{!"_ZTSN7ImGuiEx10CanvasViewE", !11, i64 0, !12, i64 8, !12, i64 12}
!11 = !{!"_ZTS6ImVec2", !12, i64 0, !12, i64 4}
!12 = !{!"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: 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 #1

; Function Attrs: inlinehint mustprogress uwtable
declare hidden <2 x float> @_ZmlRK6ImVec2f(ptr noundef nonnull align 4 dereferenceable(8), float noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local <2 x float> @_ZNK7ImGuiEx6Canvas9FromLocalERK6ImVec2RKNS_10CanvasViewE(ptr noundef nonnull align 8 dereferenceable(172) %0, ptr noundef nonnull align 4 dereferenceable(8) %1, ptr noundef nonnull align 4 dereferenceable(16) %2) local_unnamed_addr #2 align 2 {
  %4 = alloca %struct.ImVec2, align 8
  %5 = alloca %struct.ImVec2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %6 = getelementptr inbounds i8, ptr %2, i64 8
  %7 = load float, ptr %6, align 4, !tbaa !5
  %8 = tail call <2 x float> @_ZmlRK6ImVec2f(ptr noundef nonnull align 4 dereferenceable(8) %1, float noundef %7)
  store <2 x float> %8, ptr %5, align 8
  %9 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(8) %2)
  store <2 x float> %9, ptr %4, align 8
  %10 = getelementptr inbounds i8, ptr %0, i64 4
  %11 = call <2 x float> @_ZplRK6ImVec2S1_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %10)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  ret <2 x float> %11
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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, !8, i64 8}
!6 = !{!"_ZTSN7ImGuiEx10CanvasViewE", !7, i64 0, !8, i64 8, !8, i64 12}
!7 = !{!"_ZTS6ImVec2", !8, i64 0, !8, i64 4}
!8 = !{!"float", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


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