; LLVM IR from DarrenSweeney/3D-Physics-Engine :: Physics Engine/Imgui/imgui.ll (ZN6ImFont5ClearEv)

; 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.ImFont = type { float, float, %struct.ImVec2, i16, ptr, %class.ImVector.16, ptr, float, %class.ImVector.10, %class.ImVector.17 }
%class.ImVector.16 = type { i64, i64, ptr }
%class.ImVector.10 = type { i64, i64, ptr }
%class.ImVector.17 = type { i64, i64, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; 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) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ImFont5ClearEv(ptr noundef nonnull align 8 dereferenceable(120) %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.ImFont, ptr %4, i32 0, i32 0
  store float 0.000000e+00, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8) %3, float noundef -5.000000e-01, float noundef 5.000000e-01)
  %6 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 4 %3, i64 8, i1 false), !tbaa.struct !18
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  %7 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 4
  store ptr null, ptr %7, align 8, !tbaa !20
  %8 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 5
  call void @_ZN8ImVectorIN6ImFont5GlyphEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %8)
  %9 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 6
  store ptr null, ptr %9, align 8, !tbaa !21
  %10 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 7
  store float 0.000000e+00, ptr %10, align 8, !tbaa !22
  %11 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 8
  call void @_ZN8ImVectorIfE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %11)
  %12 = getelementptr inbounds %struct.ImFont, ptr %4, i32 0, i32 9
  call void @_ZN8ImVectorIiE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %12)
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIN6ImFont5GlyphEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIfE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIiE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"_ZTS6ImFont", !11, i64 0, !11, i64 4, !12, i64 8, !13, i64 16, !6, i64 24, !14, i64 32, !6, i64 56, !11, i64 64, !16, i64 72, !17, i64 96}
!11 = !{!"float", !7, i64 0}
!12 = !{!"_ZTS6ImVec2", !11, i64 0, !11, i64 4}
!13 = !{!"short", !7, i64 0}
!14 = !{!"_ZTS8ImVectorIN6ImFont5GlyphEE", !15, i64 0, !15, i64 8, !6, i64 16}
!15 = !{!"long", !7, i64 0}
!16 = !{!"_ZTS8ImVectorIfE", !15, i64 0, !15, i64 8, !6, i64 16}
!17 = !{!"_ZTS8ImVectorIiE", !15, i64 0, !15, i64 8, !6, i64 16}
!18 = !{i64 0, i64 4, !19, i64 4, i64 4, !19}
!19 = !{!11, !11, i64 0}
!20 = !{!10, !6, i64 24}
!21 = !{!10, !6, i64 56}
!22 = !{!10, !11, i64 64}


; 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 nounwind uwtable
declare dso_local void @_ZN6ImVec2C2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6ImFont5ClearEv(ptr noundef nonnull align 8 dereferenceable(120) %0) local_unnamed_addr #2 align 2 {
  %2 = alloca %struct.ImVec2, align 8
  store float 0.000000e+00, ptr %0, align 8, !tbaa !5
  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 -5.000000e-01, float noundef 5.000000e-01)
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i64, ptr %2, align 8
  store i64 %4, ptr %3, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  store ptr null, ptr %5, align 8, !tbaa !17
  %6 = getelementptr inbounds i8, ptr %0, i64 32
  call void @_ZN8ImVectorIN6ImFont5GlyphEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %6)
  %7 = getelementptr inbounds i8, ptr %0, i64 56
  store ptr null, ptr %7, align 8, !tbaa !18
  %8 = getelementptr inbounds i8, ptr %0, i64 64
  store float 0.000000e+00, ptr %8, align 8, !tbaa !19
  %9 = getelementptr inbounds i8, ptr %0, i64 72
  call void @_ZN8ImVectorIfE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
  %10 = getelementptr inbounds i8, ptr %0, i64 96
  call void @_ZN8ImVectorIiE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %10)
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIN6ImFont5GlyphEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIfE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN8ImVectorIiE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"_ZTS6ImFont", !7, i64 0, !7, i64 4, !10, i64 8, !11, i64 16, !12, i64 24, !13, i64 32, !12, i64 56, !7, i64 64, !15, i64 72, !16, i64 96}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS6ImVec2", !7, i64 0, !7, i64 4}
!11 = !{!"short", !8, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"_ZTS8ImVectorIN6ImFont5GlyphEE", !14, i64 0, !14, i64 8, !12, i64 16}
!14 = !{!"long", !8, i64 0}
!15 = !{!"_ZTS8ImVectorIfE", !14, i64 0, !14, i64 8, !12, i64 16}
!16 = !{!"_ZTS8ImVectorIiE", !14, i64 0, !14, i64 8, !12, i64 16}
!17 = !{!6, !12, i64 24}
!18 = !{!6, !12, i64 56}
!19 = !{!6, !7, i64 64}


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