; LLVM IR from mtsamis/box2d-optimized :: src/dynamics/b2_body.ll (ZN6b2Body11UpdateAABBsEv)

; 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"

%class.b2Body = type { i32, i16, i32, %struct.b2Transform, %struct.b2Transform, %struct.b2Sweep, %struct.b2Vec2, float, %struct.b2Vec2, float, ptr, ptr, ptr, ptr, i32, ptr, ptr, i32, i32, float, float, float, float, float, float, float, float, %struct.b2BodyUserData }
%struct.b2Transform = type { %struct.b2Vec2, %struct.b2Rot }
%struct.b2Rot = type { float, float }
%struct.b2Sweep = type { %struct.b2Vec2, %struct.b2Vec2, %struct.b2Vec2, float, float, float }
%struct.b2Vec2 = type { float, float }
%struct.b2BodyUserData = type { i64 }
%class.b2Fixture = type <{ float, [4 x i8], ptr, ptr, ptr, %struct.b2AABB, float, float, float, %struct.b2Filter, i8, [5 x i8], %struct.b2FixtureUserData, i32, [4 x i8] }>
%struct.b2AABB = type { %struct.b2Vec2, %struct.b2Vec2 }
%struct.b2Filter = type { i16, i16, i16 }
%struct.b2FixtureUserData = type { i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6b2Body11UpdateAABBsEv(ptr noundef nonnull align 8 dereferenceable(208) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = getelementptr inbounds %class.b2Body, ptr %4, i32 0, i32 13
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %6, ptr %3, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %13, %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %17

11:                                               ; preds = %7
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZN9b2Fixture10UpdateAABBEv(ptr noundef nonnull align 8 dereferenceable(84) %12)
  br label %13

13:                                               ; preds = %11
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %class.b2Fixture, ptr %14, i32 0, i32 2
  %16 = load ptr, ptr %15, align 8, !tbaa !21
  store ptr %16, ptr %3, align 8, !tbaa !5
  br label %7, !llvm.loop !27

17:                                               ; preds = %10
  ret void
}

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

declare void @_ZN9b2Fixture10UpdateAABBEv(ptr noundef nonnull align 8 dereferenceable(84)) #2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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, !6, i64 128}
!10 = !{!"_ZTS6b2Body", !11, i64 0, !12, i64 4, !13, i64 8, !14, i64 12, !14, i64 28, !18, i64 44, !15, i64 80, !16, i64 88, !15, i64 92, !16, i64 100, !6, i64 104, !6, i64 112, !6, i64 120, !6, i64 128, !13, i64 136, !6, i64 144, !6, i64 152, !13, i64 160, !13, i64 164, !16, i64 168, !16, i64 172, !16, i64 176, !16, i64 180, !16, i64 184, !16, i64 188, !16, i64 192, !16, i64 196, !19, i64 200}
!11 = !{!"_ZTS10b2BodyType", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!"_ZTS11b2Transform", !15, i64 0, !17, i64 8}
!15 = !{!"_ZTS6b2Vec2", !16, i64 0, !16, i64 4}
!16 = !{!"float", !7, i64 0}
!17 = !{!"_ZTS5b2Rot", !16, i64 0, !16, i64 4}
!18 = !{!"_ZTS7b2Sweep", !15, i64 0, !15, i64 8, !15, i64 16, !16, i64 24, !16, i64 28, !16, i64 32}
!19 = !{!"_ZTS14b2BodyUserData", !20, i64 0}
!20 = !{!"long", !7, i64 0}
!21 = !{!22, !6, i64 8}
!22 = !{!"_ZTS9b2Fixture", !16, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !23, i64 32, !16, i64 48, !16, i64 52, !16, i64 56, !24, i64 60, !25, i64 66, !26, i64 72, !13, i64 80}
!23 = !{!"_ZTS6b2AABB", !15, i64 0, !15, i64 8}
!24 = !{!"_ZTS8b2Filter", !12, i64 0, !12, i64 2, !12, i64 4}
!25 = !{!"bool", !7, i64 0}
!26 = !{!"_ZTS17b2FixtureUserData", !20, i64 0}
!27 = distinct !{!27, !28}
!28 = !{!"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 uwtable
define dso_local void @_ZN6b2Body11UpdateAABBsEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(208) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 128
  %.04 = load ptr, ptr %2, align 8, !tbaa !5
  %.not5 = icmp eq ptr %.04, null
  br i1 %.not5, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.06 = phi ptr [ %.0, %.lr.ph ], [ %.04, %1 ]
  tail call void @_ZN9b2Fixture10UpdateAABBEv(ptr noundef nonnull align 8 dereferenceable(84) %.06)
  %3 = getelementptr inbounds i8, ptr %.06, i64 8
  %.0 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9
}

declare void @_ZN9b2Fixture10UpdateAABBEv(ptr noundef nonnull align 8 dereferenceable(84)) local_unnamed_addr #1

attributes #0 = { 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 #1 = { "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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