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

; 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.b2SurfaceMaterial = type { float, float, float, float, i32, i32 }
%struct.b2Filter = type { i64, i64, i32 }
%struct.b2ChainDef = type { ptr, ptr, i32, ptr, i32, %struct.b2Filter, i8, i8, i32 }

@b2DefaultChainDef.defaultMaterial = external hidden global %struct.b2SurfaceMaterial, align 4

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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: nounwind uwtable
declare dso_local void @b2DefaultFilter(ptr dead_on_unwind noalias writable sret(%struct.b2Filter) align 8) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nounwind uwtable
define dso_local void @b2DefaultChainDef(ptr dead_on_unwind noalias writable sret(%struct.b2ChainDef) align 8 %0) #2 {
  %2 = alloca %struct.b2Filter, align 8
  call void @llvm.memset.p0.i64(ptr align 8 %0, i8 0, i64 72, i1 false)
  %3 = getelementptr inbounds %struct.b2ChainDef, ptr %0, i32 0, i32 3
  store ptr @b2DefaultChainDef.defaultMaterial, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.b2ChainDef, ptr %0, i32 0, i32 4
  store i32 1, ptr %4, align 8, !tbaa !14
  %5 = getelementptr inbounds %struct.b2ChainDef, ptr %0, i32 0, i32 5
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #4
  call void @b2DefaultFilter(ptr dead_on_unwind writable sret(%struct.b2Filter) align 8 %2)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %2, i64 24, i1 false), !tbaa.struct !15
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #4
  %6 = getelementptr inbounds %struct.b2ChainDef, ptr %0, i32 0, i32 8
  store i32 1152023, ptr %6, align 4, !tbaa !18
  ret void
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !7, i64 24}
!6 = !{!"b2ChainDef", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !10, i64 32, !11, i64 40, !13, i64 64, !13, i64 65, !10, i64 68}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"b2Filter", !12, i64 0, !12, i64 8, !10, i64 16}
!12 = !{!"long", !8, i64 0}
!13 = !{!"_Bool", !8, i64 0}
!14 = !{!6, !10, i64 32}
!15 = !{i64 0, i64 8, !16, i64 8, i64 8, !16, i64 16, i64 4, !17}
!16 = !{!12, !12, i64 0}
!17 = !{!10, !10, i64 0}
!18 = !{!6, !10, 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.b2SurfaceMaterial = type { float, float, float, float, i32, i32 }
%struct.b2Filter = type { i64, i64, i32 }
%struct.b2ChainDef = type { ptr, ptr, i32, ptr, i32, %struct.b2Filter, i8, i8, i32 }

@b2DefaultChainDef.defaultMaterial = external hidden global %struct.b2SurfaceMaterial, align 4

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
declare dso_local void @b2DefaultFilter(ptr dead_on_unwind noalias writable sret(%struct.b2Filter) align 8) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @b2DefaultChainDef(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.b2ChainDef) align 8 %0) local_unnamed_addr #1 {
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(72) %0, i8 0, i64 72, i1 false)
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  store ptr @b2DefaultChainDef.defaultMaterial, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 32
  store i32 1, ptr %3, align 8, !tbaa !14
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @b2DefaultFilter(ptr dead_on_unwind nonnull writable sret(%struct.b2Filter) align 8 %4)
  %5 = getelementptr inbounds i8, ptr %0, i64 68
  store i32 1152023, ptr %5, align 4, !tbaa !15
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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" }

!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, !7, i64 24}
!6 = !{!"b2ChainDef", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !10, i64 32, !11, i64 40, !13, i64 64, !13, i64 65, !10, i64 68}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"b2Filter", !12, i64 0, !12, i64 8, !10, i64 16}
!12 = !{!"long", !8, i64 0}
!13 = !{!"_Bool", !8, i64 0}
!14 = !{!6, !10, i64 32}
!15 = !{!6, !10, i64 68}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,TailCallElimPass