; LLVM IR from mtsamis/box2d-optimized :: testbed/draw.ll (ZN9DebugDraw13DrawParticlesEPK6b2Vec2fPK15b2ParticleColori)

; 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.b2Color = type { float, float, float, float }
%class.DebugDraw = type { %class.b2Draw.base, i8, ptr, ptr, ptr }
%class.b2Draw.base = type <{ ptr, i32 }>
%struct.b2Vec2 = type { float, float }

; 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 nounwind uwtable
declare dso_local void @_ZN7b2ColorC2Effff(ptr noundef nonnull align 4 dereferenceable(16), float noundef, float noundef, float noundef, float noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9DebugDraw13DrawParticlesEPK6b2Vec2fPK15b2ParticleColori(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef %1, float noundef %2, ptr noundef %3, i32 noundef %4) unnamed_addr #2 align 2 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca float, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %struct.b2Color, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store float %2, ptr %8, align 4, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !5
  store i32 %4, ptr %10, align 4, !tbaa !11
  %13 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #3
  call void @_ZN7b2ColorC2Effff(ptr noundef nonnull align 4 dereferenceable(16) %11, float noundef 1.000000e+00, float noundef 0.000000e+00, float noundef 0.000000e+00, float noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 0, ptr %12, align 4, !tbaa !11
  br label %14

14:                                               ; preds = %26, %5
  %15 = load i32, ptr %12, align 4, !tbaa !11
  %16 = load i32, ptr %10, align 4, !tbaa !11
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %29

19:                                               ; preds = %14
  %20 = getelementptr inbounds %class.DebugDraw, ptr %13, i32 0, i32 2
  %21 = load ptr, ptr %20, align 8, !tbaa !13
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = load i32, ptr %12, align 4, !tbaa !11
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds %struct.b2Vec2, ptr %22, i64 %24
  call void @_ZN14GLRenderPoints6VertexERK6b2Vec2RK7b2Colorf(ptr noundef nonnull align 4 dereferenceable(14376) %21, ptr noundef nonnull align 4 dereferenceable(8) %25, ptr noundef nonnull align 4 dereferenceable(16) %11, float noundef 3.000000e+00)
  br label %26

26:                                               ; preds = %19
  %27 = load i32, ptr %12, align 4, !tbaa !11
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %12, align 4, !tbaa !11
  br label %14, !llvm.loop !17

29:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14GLRenderPoints6VertexERK6b2Vec2RK7b2Colorf(ptr noundef nonnull align 4 dereferenceable(14376), ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(16), float noundef) #2 align 2

attributes #0 = { 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 = { 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 = !{!"float", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !6, i64 16}
!14 = !{!"_ZTS9DebugDraw", !15, i64 0, !16, i64 12, !6, i64 16, !6, i64 24, !6, i64 32}
!15 = !{!"_ZTS6b2Draw", !12, i64 8}
!16 = !{!"bool", !7, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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"

%struct.b2Color = type { float, float, float, float }
%struct.b2Vec2 = 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 @_ZN7b2ColorC2Effff(ptr noundef nonnull align 4 dereferenceable(16), float noundef, float noundef, float noundef, float noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9DebugDraw13DrawParticlesEPK6b2Vec2fPK15b2ParticleColori(ptr nocapture noundef nonnull readonly align 8 dereferenceable(40) %0, ptr noundef %1, float noundef %2, ptr nocapture noundef readnone %3, i32 noundef %4) unnamed_addr #2 align 2 {
  %6 = alloca %struct.b2Color, align 4
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #3
  call void @_ZN7b2ColorC2Effff(ptr noundef nonnull align 4 dereferenceable(16) %6, float noundef 1.000000e+00, float noundef 0.000000e+00, float noundef 0.000000e+00, float noundef 1.000000e+00)
  %7 = icmp sgt i32 %4, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %5
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  %wide.trip.count = zext nneg i32 %4 to i64
  br label %9

._crit_edge:                                      ; preds = %9, %5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  ret void

9:                                                ; preds = %.lr.ph, %9
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %9 ]
  %10 = load ptr, ptr %8, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.b2Vec2, ptr %1, i64 %indvars.iv
  call void @_ZN14GLRenderPoints6VertexERK6b2Vec2RK7b2Colorf(ptr noundef nonnull align 4 dereferenceable(14376) %10, ptr noundef nonnull align 4 dereferenceable(8) %11, ptr noundef nonnull align 4 dereferenceable(16) %6, float noundef 3.000000e+00)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %9, !llvm.loop !13
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14GLRenderPoints6VertexERK6b2Vec2RK7b2Colorf(ptr noundef nonnull align 4 dereferenceable(14376), ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(16), float noundef) local_unnamed_addr #2 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 = { 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, !12, i64 16}
!6 = !{!"_ZTS9DebugDraw", !7, i64 0, !11, i64 12, !12, i64 16, !12, i64 24, !12, i64 32}
!7 = !{!"_ZTS6b2Draw", !8, i64 8}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"bool", !9, i64 0}
!12 = !{!"any pointer", !9, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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