; LLVM IR from aap/librw :: src/ps2 (ps2skin)

; 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"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2rw3ps214skinInstanceCBEPNS0_11MatPipelineEPNS_8GeometryEPNS_4MeshEPPh(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = call noundef ptr @_ZN2rw4Skin3getEPKNS_8GeometryE(ptr noundef %11)
  store ptr %12, ptr %9, align 8, !tbaa !5
  %13 = load ptr, ptr %9, align 8, !tbaa !5
  %14 = icmp eq ptr %13, null
  br i1 %14, label %15, label %16

15:                                               ; preds = %4
  store i32 1, ptr %10, align 4
  br label %23

16:                                               ; preds = %4
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = getelementptr inbounds ptr, ptr %20, i64 4
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  call void @_ZN2rw3ps216instanceSkinDataEPNS_8GeometryEPNS_4MeshEPNS_4SkinEPj(ptr noundef %17, ptr noundef %18, ptr noundef %19, ptr noundef %22)
  store i32 0, ptr %10, align 4
  br label %23

23:                                               ; preds = %16, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  %24 = load i32, ptr %10, align 4
  switch i32 %24, label %26 [
    i32 0, label %25
    i32 1, label %25
  ]

25:                                               ; preds = %23, %23
  ret void

26:                                               ; preds = %23
  unreachable
}

; 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 @_ZN2rw3ps216instanceSkinDataEPNS_8GeometryEPNS_4MeshEPNS_4SkinEPj(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN2rw4Skin3getEPKNS_8GeometryE(ptr noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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"}


; 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 nounwind uwtable
define dso_local void @_ZN2rw3ps214skinInstanceCBEPNS0_11MatPipelineEPNS_8GeometryEPNS_4MeshEPPh(ptr nocapture noundef readnone %0, ptr noundef %1, ptr noundef %2, ptr nocapture noundef readonly %3) local_unnamed_addr #0 {
  %5 = tail call noundef ptr @_ZN2rw4Skin3getEPKNS_8GeometryE(ptr noundef %1)
  %6 = icmp eq ptr %5, null
  br i1 %6, label %10, label %7

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %3, i64 32
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  tail call void @_ZN2rw3ps216instanceSkinDataEPNS_8GeometryEPNS_4MeshEPNS_4SkinEPj(ptr noundef %1, ptr noundef %2, ptr noundef nonnull %5, ptr noundef %9)
  br label %10

10:                                               ; preds = %4, %7
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2rw3ps216instanceSkinDataEPNS_8GeometryEPNS_4MeshEPNS_4SkinEPj(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN2rw4Skin3getEPKNS_8GeometryE(ptr noundef) local_unnamed_addr #0 align 2

attributes #0 = { 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" }

!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"}


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