; LLVM IR from DarrenSweeney/3D-Physics-Engine :: Physics Engine/Imgui/imgui.ll (ZN12ImGuiStorage9SetAllIntEi)

; 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.ImGuiStorage = type { %class.ImVector.6 }
%class.ImVector.6 = type { i64, i64, ptr }
%"struct.ImGuiStorage::Pair" = type { i32, %union.anon }
%union.anon = type { 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 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 @_ZN12ImGuiStorage9SetAllIntEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !11
  br label %7

7:                                                ; preds = %19, %2
  %8 = load i64, ptr %5, align 8, !tbaa !11
  %9 = getelementptr inbounds %struct.ImGuiStorage, ptr %6, i32 0, i32 0
  %10 = call noundef i64 @_ZNK8ImVectorIN12ImGuiStorage4PairEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
  %11 = icmp ult i64 %8, %10
  br i1 %11, label %13, label %12

12:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %22

13:                                               ; preds = %7
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = getelementptr inbounds %struct.ImGuiStorage, ptr %6, i32 0, i32 0
  %16 = load i64, ptr %5, align 8, !tbaa !11
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZN8ImVectorIN12ImGuiStorage4PairEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %16)
  %18 = getelementptr inbounds %"struct.ImGuiStorage::Pair", ptr %17, i32 0, i32 1
  store i32 %14, ptr %18, align 8, !tbaa !13
  br label %19

19:                                               ; preds = %13
  %20 = load i64, ptr %5, align 8, !tbaa !11
  %21 = add i64 %20, 1
  store i64 %21, ptr %5, align 8, !tbaa !11
  br label %7, !llvm.loop !14

22:                                               ; preds = %12
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK8ImVectorIN12ImGuiStorage4PairEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN8ImVectorIN12ImGuiStorage4PairEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN12ImGuiStorage9SetAllIntEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i64 @_ZNK8ImVectorIN12ImGuiStorage4PairEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not = icmp eq i64 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.04 = phi i64 [ %6, %.lr.ph ], [ 0, %2 ]
  %4 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZN8ImVectorIN12ImGuiStorage4PairEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.04)
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  store i32 %1, ptr %5, align 8, !tbaa !5
  %6 = add nuw i64 %.04, 1
  %7 = tail call noundef i64 @_ZNK8ImVectorIN12ImGuiStorage4PairEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %8 = icmp ult i64 %6, %7
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !8
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK8ImVectorIN12ImGuiStorage4PairEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN8ImVectorIN12ImGuiStorage4PairEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 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 = { inlinehint 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" }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass