; LLVM IR from erincatto/box2d :: src (distance)

; 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.b2ShapeProxy = type { [8 x %struct.b2Vec2], i32, float }
%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 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: nounwind uwtable
define dso_local void @b2MakeProxy(ptr dead_on_unwind noalias writable sret(%struct.b2ShapeProxy) align 4 %0, ptr noundef %1, i32 noundef %2, float noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca float, align 4
  %8 = alloca i32, align 4
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  store float %3, ptr %7, align 4, !tbaa !11
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = call i32 @b2MinInt(i32 noundef %9, i32 noundef 8)
  store i32 %10, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %25, %4
  %12 = load i32, ptr %8, align 4, !tbaa !9
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %28

16:                                               ; preds = %11
  %17 = getelementptr inbounds %struct.b2ShapeProxy, ptr %0, i32 0, i32 0
  %18 = load i32, ptr %8, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [8 x %struct.b2Vec2], ptr %17, i64 0, i64 %19
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i32, ptr %8, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds %struct.b2Vec2, ptr %21, i64 %23
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %20, ptr align 4 %24, i64 8, i1 false), !tbaa.struct !13
  br label %25

25:                                               ; preds = %16
  %26 = load i32, ptr %8, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %8, align 4, !tbaa !9
  br label %11, !llvm.loop !14

28:                                               ; preds = %15
  %29 = load i32, ptr %6, align 4, !tbaa !9
  %30 = getelementptr inbounds %struct.b2ShapeProxy, ptr %0, i32 0, i32 1
  store i32 %29, ptr %30, align 4, !tbaa !16
  %31 = load float, ptr %7, align 4, !tbaa !11
  %32 = getelementptr inbounds %struct.b2ShapeProxy, ptr %0, i32 0, i32 2
  store float %31, ptr %32, align 4, !tbaa !18
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @b2MinInt(i32 noundef, i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { inlinehint 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 #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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{i64 0, i64 4, !11, i64 4, i64 4, !11}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!17, !10, i64 64}
!17 = !{!"b2ShapeProxy", !7, i64 0, !10, i64 64, !12, i64 68}
!18 = !{!17, !12, i64 68}


; 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.b2ShapeProxy = type { [8 x %struct.b2Vec2], i32, float }
%struct.b2Vec2 = type { float, float }

; Function Attrs: mustprogress 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) #0

; Function Attrs: nounwind uwtable
define dso_local void @b2MakeProxy(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.b2ShapeProxy) align 4 %0, ptr nocapture noundef readonly %1, i32 noundef %2, float noundef %3) local_unnamed_addr #1 {
  %5 = tail call i32 @b2MinInt(i32 noundef %2, i32 noundef 8)
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %4
  %7 = zext nneg i32 %5 to i64
  %8 = shl nuw nsw i64 %7, 3
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %0, ptr align 4 %1, i64 %8, i1 false)
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.preheader, %4
  %9 = getelementptr inbounds i8, ptr %0, i64 64
  store i32 %5, ptr %9, align 4, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %0, i64 68
  store float %3, ptr %10, align 4, !tbaa !11
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @b2MinInt(i32 noundef, i32 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { inlinehint 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, !9, i64 64}
!6 = !{!"b2ShapeProxy", !7, i64 0, !9, i64 64, !10, i64 68}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"int", !7, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = !{!6, !10, i64 68}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopIdiomRecognizePass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass