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

; 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.b2ShapeId = type { i32, i16, i16 }
%struct.b2Shape = type { i32, i32, i32, i32, i32, i32, float, float, float, float, float, i32, %struct.b2AABB, %struct.b2AABB, %struct.b2Vec2, i32, %struct.b2Filter, ptr, i32, %union.anon.0, i16, i8, i8, i8, i8, i8 }
%struct.b2AABB = type { %struct.b2Vec2, %struct.b2Vec2 }
%struct.b2Vec2 = type { float, float }
%struct.b2Filter = type { i64, i64, i32 }
%union.anon.0 = type { %struct.b2Polygon }
%struct.b2Polygon = type { [8 x %struct.b2Vec2], [8 x %struct.b2Vec2], %struct.b2Vec2, float, i32 }

; 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

declare ptr @b2GetWorldLocked(i32 noundef) #1

; Function Attrs: nounwind uwtable
declare hidden ptr @b2GetShape(ptr noundef, i64) #2

; Function Attrs: nounwind uwtable
define dso_local void @b2Shape_EnableContactEvents(i64 %0, i1 noundef zeroext %1) #2 {
  %3 = alloca %struct.b2ShapeId, align 4
  %4 = alloca i8, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store i64 %0, ptr %3, align 4
  %8 = zext i1 %1 to i8
  store i8 %8, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %9 = getelementptr inbounds %struct.b2ShapeId, ptr %3, i32 0, i32 1
  %10 = load i16, ptr %9, align 4, !tbaa !9
  %11 = zext i16 %10 to i32
  %12 = call ptr @b2GetWorldLocked(i32 noundef %11)
  store ptr %12, ptr %5, align 8, !tbaa !13
  %13 = load ptr, ptr %5, align 8, !tbaa !13
  %14 = icmp eq ptr %13, null
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i32 1, ptr %6, align 4
  br label %25

16:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %17 = load ptr, ptr %5, align 8, !tbaa !13
  %18 = load i64, ptr %3, align 4
  %19 = call ptr @b2GetShape(ptr noundef %17, i64 %18)
  store ptr %19, ptr %7, align 8, !tbaa !13
  %20 = load i8, ptr %4, align 1, !tbaa !5, !range !15, !noundef !16
  %21 = trunc i8 %20 to i1
  %22 = load ptr, ptr %7, align 8, !tbaa !13
  %23 = getelementptr inbounds %struct.b2Shape, ptr %22, i32 0, i32 22
  %24 = zext i1 %21 to i8
  store i8 %24, ptr %23, align 1, !tbaa !17
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  store i32 0, ptr %6, align 4
  br label %25

25:                                               ; preds = %16, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  %26 = load i32, ptr %6, align 4
  switch i32 %26, label %28 [
    i32 0, label %27
    i32 1, label %27
  ]

27:                                               ; preds = %25, %25
  ret void

28:                                               ; preds = %25
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = { 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 = !{!"_Bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !12, i64 4}
!10 = !{!"b2ShapeId", !11, i64 0, !12, i64 4, !12, i64 6}
!11 = !{!"int", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = !{!18, !6, i64 279}
!18 = !{!"b2Shape", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !19, i64 24, !19, i64 28, !19, i64 32, !19, i64 36, !19, i64 40, !11, i64 44, !20, i64 48, !20, i64 64, !21, i64 80, !11, i64 88, !22, i64 96, !14, i64 120, !11, i64 128, !7, i64 132, !12, i64 276, !6, i64 278, !6, i64 279, !6, i64 280, !6, i64 281, !6, i64 282}
!19 = !{!"float", !7, i64 0}
!20 = !{!"b2AABB", !21, i64 0, !21, i64 8}
!21 = !{!"b2Vec2", !19, i64 0, !19, i64 4}
!22 = !{!"b2Filter", !23, i64 0, !23, i64 8, !11, i64 16}
!23 = !{!"long", !7, i64 0}


; 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"

declare ptr @b2GetWorldLocked(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden ptr @b2GetShape(ptr noundef, i64) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @b2Shape_EnableContactEvents(i64 %0, i1 noundef zeroext %1) local_unnamed_addr #1 {
  %.sroa.2.0.extract.shift = lshr i64 %0, 32
  %3 = trunc nuw i64 %.sroa.2.0.extract.shift to i32
  %4 = and i32 %3, 65535
  %5 = tail call ptr @b2GetWorldLocked(i32 noundef %4) #2
  %6 = icmp eq ptr %5, null
  br i1 %6, label %11, label %7

7:                                                ; preds = %2
  %8 = zext i1 %1 to i8
  %9 = tail call ptr @b2GetShape(ptr noundef nonnull %5, i64 %0)
  %10 = getelementptr inbounds i8, ptr %9, i64 279
  store i8 %8, ptr %10, align 1, !tbaa !5
  br label %11

11:                                               ; preds = %2, %7
  ret void
}

attributes #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 = { 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 = { 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, !17, i64 279}
!6 = !{!"b2Shape", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !10, i64 24, !10, i64 28, !10, i64 32, !10, i64 36, !10, i64 40, !7, i64 44, !11, i64 48, !11, i64 64, !12, i64 80, !7, i64 88, !13, i64 96, !15, i64 120, !7, i64 128, !8, i64 132, !16, i64 276, !17, i64 278, !17, i64 279, !17, i64 280, !17, i64 281, !17, i64 282}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"float", !8, i64 0}
!11 = !{!"b2AABB", !12, i64 0, !12, i64 8}
!12 = !{!"b2Vec2", !10, i64 0, !10, i64 4}
!13 = !{!"b2Filter", !14, i64 0, !14, i64 8, !7, i64 16}
!14 = !{!"long", !8, i64 0}
!15 = !{!"any pointer", !8, i64 0}
!16 = !{!"short", !8, i64 0}
!17 = !{!"_Bool", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass