; LLVM IR from aap/librw :: src/geometry.ll (ZN2rw8Geometry23calculateBoundingSphereEv)

; 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.rw::Sphere" = type { %"struct.rw::V3d", float }
%"struct.rw::V3d" = type { float, float, float }
%"struct.rw::Geometry" = type { %"struct.rw::Object", i32, i16, i32, i32, i32, i32, ptr, ptr, [8 x ptr], ptr, %"struct.rw::MaterialList", ptr, ptr, i32 }
%"struct.rw::Object" = type { i8, i8, i8, i8, ptr }
%"struct.rw::MaterialList" = type { ptr, i32, i32 }
%"struct.rw::MorphTarget" = type { ptr, %"struct.rw::Sphere", ptr, ptr }

; 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: 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: mustprogress uwtable
define dso_local void @_ZN2rw8Geometry23calculateBoundingSphereEv(ptr noundef nonnull align 8 dereferenceable(168) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca %"struct.rw::Sphere", align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %7

7:                                                ; preds = %27, %1
  %8 = load i32, ptr %3, align 4, !tbaa !9
  %9 = getelementptr inbounds %"struct.rw::Geometry", ptr %6, i32 0, i32 5
  %10 = load i32, ptr %9, align 8, !tbaa !11
  %11 = icmp slt i32 %8, %10
  br i1 %11, label %13, label %12

12:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %30

13:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %14 = getelementptr inbounds %"struct.rw::Geometry", ptr %6, i32 0, i32 10
  %15 = load ptr, ptr %14, align 8, !tbaa !16
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds %"struct.rw::MorphTarget", ptr %15, i64 %17
  store ptr %18, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %5) #3
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call { <2 x float>, <2 x float> } @_ZNK2rw11MorphTarget23calculateBoundingSphereEv(ptr noundef nonnull align 8 dereferenceable(40) %19)
  %21 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %5, i32 0, i32 0
  %22 = extractvalue { <2 x float>, <2 x float> } %20, 0
  store <2 x float> %22, ptr %21, align 4
  %23 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %5, i32 0, i32 1
  %24 = extractvalue { <2 x float>, <2 x float> } %20, 1
  store <2 x float> %24, ptr %23, align 4
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %"struct.rw::MorphTarget", ptr %25, i32 0, i32 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %26, ptr align 4 %5, i64 16, i1 false), !tbaa.struct !17
  call void @llvm.lifetime.end.p0(i64 16, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %27

27:                                               ; preds = %13
  %28 = load i32, ptr %3, align 4, !tbaa !9
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %3, align 4, !tbaa !9
  br label %7, !llvm.loop !20

30:                                               ; preds = %12
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZNK2rw11MorphTarget23calculateBoundingSphereEv(ptr noundef nonnull align 8 dereferenceable(40)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 32}
!12 = !{!"_ZTSN2rw8GeometryE", !13, i64 0, !10, i64 16, !14, i64 20, !10, i64 24, !10, i64 28, !10, i64 32, !10, i64 36, !6, i64 40, !6, i64 48, !7, i64 56, !6, i64 120, !15, i64 128, !6, i64 144, !6, i64 152, !10, i64 160}
!13 = !{!"_ZTSN2rw6ObjectE", !7, i64 0, !7, i64 1, !7, i64 2, !7, i64 3, !6, i64 8}
!14 = !{!"short", !7, i64 0}
!15 = !{!"_ZTSN2rw12MaterialListE", !6, i64 0, !10, i64 8, !10, i64 12}
!16 = !{!12, !6, i64 120}
!17 = !{i64 0, i64 4, !18, i64 4, i64 4, !18, i64 8, i64 4, !18, i64 12, i64 4, !18}
!18 = !{!19, !19, i64 0}
!19 = !{!"float", !7, i64 0}
!20 = distinct !{!20, !21}
!21 = !{!"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.rw::MorphTarget" = type { ptr, %"struct.rw::Sphere", ptr, ptr }
%"struct.rw::Sphere" = type { %"struct.rw::V3d", float }
%"struct.rw::V3d" = type { float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2rw8Geometry23calculateBoundingSphereEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(168) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 120
  br label %6

._crit_edge:                                      ; preds = %6, %1
  ret void

6:                                                ; preds = %.lr.ph, %6
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %6 ]
  %7 = load ptr, ptr %5, align 8, !tbaa !14
  %8 = getelementptr inbounds %"struct.rw::MorphTarget", ptr %7, i64 %indvars.iv
  %9 = tail call { <2 x float>, <2 x float> } @_ZNK2rw11MorphTarget23calculateBoundingSphereEv(ptr noundef nonnull align 8 dereferenceable(40) %8)
  %10 = extractvalue { <2 x float>, <2 x float> } %9, 0
  %11 = extractvalue { <2 x float>, <2 x float> } %9, 1
  %12 = getelementptr inbounds i8, ptr %8, i64 8
  store <2 x float> %10, ptr %12, align 8
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %8, i64 16
  store <2 x float> %11, ptr %.sroa.4.0..sroa_idx, align 8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %13 = load i32, ptr %2, align 8, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = icmp slt i64 %indvars.iv.next, %14
  br i1 %15, label %6, label %._crit_edge, !llvm.loop !15
}

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZNK2rw11MorphTarget23calculateBoundingSphereEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "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, !11, i64 32}
!6 = !{!"_ZTSN2rw8GeometryE", !7, i64 0, !11, i64 16, !12, i64 20, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !10, i64 40, !10, i64 48, !8, i64 56, !10, i64 120, !13, i64 128, !10, i64 144, !10, i64 152, !11, i64 160}
!7 = !{!"_ZTSN2rw6ObjectE", !8, i64 0, !8, i64 1, !8, i64 2, !8, i64 3, !10, i64 8}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!"short", !8, i64 0}
!13 = !{!"_ZTSN2rw12MaterialListE", !10, i64 0, !11, i64 8, !11, i64 12}
!14 = !{!6, !10, i64 120}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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