; LLVM IR from hadryansalles/Luz :: deps/imgui/imgui_draw.ll (ZN10ImDrawData5ClearEv)

; 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.ImDrawData = type { i8, i32, i32, i32, %struct.ImVector.11, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, ptr }
%struct.ImVector.11 = 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 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 nounwind uwtable
declare dso_local void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ImDrawData5ClearEv(ptr noundef nonnull align 8 dereferenceable(64) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %struct.ImVec2, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 0
  store i8 0, ptr %5, align 8, !tbaa !9
  %6 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 3
  store i32 0, ptr %6, align 4, !tbaa !16
  %7 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 2
  store i32 0, ptr %7, align 8, !tbaa !17
  %8 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 1
  store i32 0, ptr %8, align 4, !tbaa !18
  %9 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 4
  call void @_ZN8ImVectorIP10ImDrawListE6resizeEi(ptr noundef nonnull align 8 dereferenceable(16) %9, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8) %3, float noundef 0.000000e+00, float noundef 0.000000e+00)
  %10 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 7
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 4 %3, i64 8, i1 false), !tbaa.struct !19
  %11 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 4 %10, i64 8, i1 false), !tbaa.struct !19
  %12 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 4 %11, i64 8, i1 false), !tbaa.struct !19
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  %13 = getelementptr inbounds %struct.ImDrawData, ptr %4, i32 0, i32 8
  store ptr null, ptr %13, align 8, !tbaa !21
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIP10ImDrawListE6resizeEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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"="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 #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, !11, i64 0}
!10 = !{!"_ZTS10ImDrawData", !11, i64 0, !12, i64 4, !12, i64 8, !12, i64 12, !13, i64 16, !14, i64 32, !14, i64 40, !14, i64 48, !6, i64 56}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"_ZTS8ImVectorIP10ImDrawListE", !12, i64 0, !12, i64 4, !6, i64 8}
!14 = !{!"_ZTS6ImVec2", !15, i64 0, !15, i64 4}
!15 = !{!"float", !7, i64 0}
!16 = !{!10, !12, i64 12}
!17 = !{!10, !12, i64 8}
!18 = !{!10, !12, i64 4}
!19 = !{i64 0, i64 4, !20, i64 4, i64 4, !20}
!20 = !{!15, !15, i64 0}
!21 = !{!10, !6, i64 56}


; 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 nounwind uwtable
declare dso_local void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10ImDrawData5ClearEv(ptr noundef nonnull align 8 dereferenceable(64) %0) local_unnamed_addr #2 align 2 {
  %2 = alloca %struct.ImVec2, align 8
  store i8 0, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 12
  store i32 0, ptr %3, align 4, !tbaa !15
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 0, ptr %4, align 8, !tbaa !16
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 0, ptr %5, align 4, !tbaa !17
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @_ZN8ImVectorIP10ImDrawListE6resizeEi(ptr noundef nonnull align 8 dereferenceable(16) %6, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8) %2, float noundef 0.000000e+00, float noundef 0.000000e+00)
  %7 = getelementptr inbounds i8, ptr %0, i64 48
  %8 = load i64, ptr %2, align 8
  store i64 %8, ptr %7, align 8
  %9 = getelementptr inbounds i8, ptr %0, i64 40
  store i64 %8, ptr %9, align 8
  %10 = getelementptr inbounds i8, ptr %0, i64 32
  store i64 %8, ptr %10, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %11 = getelementptr inbounds i8, ptr %0, i64 56
  store ptr null, ptr %11, align 8, !tbaa !18
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIP10ImDrawListE6resizeEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #3 align 2

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 = { 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 #3 = { 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 #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, !7, i64 0}
!6 = !{!"_ZTS10ImDrawData", !7, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !11, i64 16, !13, i64 32, !13, i64 40, !13, i64 48, !12, i64 56}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTS8ImVectorIP10ImDrawListE", !10, i64 0, !10, i64 4, !12, i64 8}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"_ZTS6ImVec2", !14, i64 0, !14, i64 4}
!14 = !{!"float", !8, i64 0}
!15 = !{!6, !10, i64 12}
!16 = !{!6, !10, i64 8}
!17 = !{!6, !10, i64 4}
!18 = !{!6, !12, i64 56}


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