; LLVM IR from Overload-Technologies/Overload :: Dependencies/assimp/code/PostProcessing (ConvertToLHProcess)

; 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.aiMesh = type { i32, i32, i32, ptr, ptr, ptr, ptr, [8 x ptr], [8 x ptr], [8 x i32], ptr, i32, ptr, i32, %struct.aiString, i32, ptr, i32, %struct.aiAABB, ptr }
%struct.aiString = type { i32, [1024 x i8] }
%struct.aiAABB = type { %class.aiVector3t, %class.aiVector3t }
%class.aiVector3t = type { float, 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 nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Assimp14FlipUVsProcess11ProcessMeshEP6aiMesh(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN12_GLOBAL__N_17flipUVsI6aiMeshEEvPT_(ptr noundef %7)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %23, %2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.aiMesh, ptr %10, i32 0, i32 15
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = icmp ult i32 %9, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %26

15:                                               ; preds = %8
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.aiMesh, ptr %16, i32 0, i32 16
  %18 = load ptr, ptr %17, align 8, !tbaa !18
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = zext i32 %19 to i64
  %21 = getelementptr inbounds ptr, ptr %18, i64 %20
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  call void @_ZN12_GLOBAL__N_17flipUVsI10aiAnimMeshEEvPT_(ptr noundef %22)
  br label %23

23:                                               ; preds = %15
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = add i32 %24, 1
  store i32 %25, ptr %5, align 4, !tbaa !9
  br label %8, !llvm.loop !19

26:                                               ; preds = %14
  ret void
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_17flipUVsI6aiMeshEEvPT_(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_17flipUVsI10aiAnimMeshEEvPT_(ptr noundef) #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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 1264}
!12 = !{!"_ZTS6aiMesh", !10, i64 0, !10, i64 4, !10, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !7, i64 48, !7, i64 112, !7, i64 176, !6, i64 208, !10, i64 216, !6, i64 224, !10, i64 232, !13, i64 236, !10, i64 1264, !6, i64 1272, !14, i64 1280, !15, i64 1284, !6, i64 1312}
!13 = !{!"_ZTS8aiString", !10, i64 0, !7, i64 4}
!14 = !{!"_ZTS16aiMorphingMethod", !7, i64 0}
!15 = !{!"_ZTS6aiAABB", !16, i64 0, !16, i64 12}
!16 = !{!"_ZTS10aiVector3tIfE", !17, i64 0, !17, i64 4, !17, i64 8}
!17 = !{!"float", !7, i64 0}
!18 = !{!12, !6, i64 1272}
!19 = distinct !{!19, !20}
!20 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Assimp14FlipUVsProcess11ProcessMeshEP6aiMesh(ptr nocapture noundef nonnull readnone align 8 dereferenceable(24) %0, ptr noundef %1) local_unnamed_addr #0 align 2 {
  tail call void @_ZN12_GLOBAL__N_17flipUVsI6aiMeshEEvPT_(ptr noundef %1)
  %3 = getelementptr inbounds i8, ptr %1, i64 1264
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2
  %5 = getelementptr inbounds i8, ptr %1, i64 1272
  br label %6

._crit_edge:                                      ; preds = %6, %2
  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 !16
  %8 = getelementptr inbounds ptr, ptr %7, i64 %indvars.iv
  %9 = load ptr, ptr %8, align 8, !tbaa !17
  tail call void @_ZN12_GLOBAL__N_17flipUVsI10aiAnimMeshEEvPT_(ptr noundef %9)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = load i32, ptr %3, align 8, !tbaa !5
  %11 = zext i32 %10 to i64
  %12 = icmp ult i64 %indvars.iv.next, %11
  br i1 %12, label %6, label %._crit_edge, !llvm.loop !18
}

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_17flipUVsI6aiMeshEEvPT_(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_17flipUVsI10aiAnimMeshEEvPT_(ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 #1 = { 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, !7, i64 1264}
!6 = !{!"_ZTS6aiMesh", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !8, i64 48, !8, i64 112, !8, i64 176, !10, i64 208, !7, i64 216, !10, i64 224, !7, i64 232, !11, i64 236, !7, i64 1264, !10, i64 1272, !12, i64 1280, !13, i64 1284, !10, i64 1312}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTS8aiString", !7, i64 0, !8, i64 4}
!12 = !{!"_ZTS16aiMorphingMethod", !8, i64 0}
!13 = !{!"_ZTS6aiAABB", !14, i64 0, !14, i64 12}
!14 = !{!"_ZTS10aiVector3tIfE", !15, i64 0, !15, i64 4, !15, i64 8}
!15 = !{!"float", !8, i64 0}
!16 = !{!6, !10, i64 1272}
!17 = !{!10, !10, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


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