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

; 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.aiScene = type { i32, ptr, i32, ptr, i32, ptr, i32, ptr, i32, ptr, i32, ptr, i32, ptr, ptr, %struct.aiString, i32, ptr, ptr }
%struct.aiString = type { i32, [1024 x i8] }

; 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
declare dso_local noundef zeroext i1 @_Z21IsMeshInVerboseFormatPK6aiMesh(ptr noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6Assimp24MakeVerboseFormatProcess15IsVerboseFormatEPK7aiScene(ptr noundef %0) #1 align 2 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %24, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.aiScene, ptr %8, i32 0, i32 2
  %10 = load i32, ptr %9, align 8, !tbaa !11
  %11 = icmp ult i32 %7, %10
  br i1 %11, label %13, label %12

12:                                               ; preds = %6
  store i32 2, ptr %5, align 4
  br label %27

13:                                               ; preds = %6
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.aiScene, ptr %14, i32 0, i32 3
  %16 = load ptr, ptr %15, align 8, !tbaa !14
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = zext i32 %17 to i64
  %19 = getelementptr inbounds ptr, ptr %16, i64 %18
  %20 = load ptr, ptr %19, align 8, !tbaa !5
  %21 = call noundef zeroext i1 @_Z21IsMeshInVerboseFormatPK6aiMesh(ptr noundef %20)
  br i1 %21, label %23, label %22

22:                                               ; preds = %13
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %27

23:                                               ; preds = %13
  br label %24

24:                                               ; preds = %23
  %25 = load i32, ptr %4, align 4, !tbaa !9
  %26 = add i32 %25, 1
  store i32 %26, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !15

27:                                               ; preds = %22, %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %28 = load i32, ptr %5, align 4
  switch i32 %28, label %32 [
    i32 2, label %29
    i32 1, label %30
  ]

29:                                               ; preds = %27
  store i1 true, ptr %2, align 1
  br label %30

30:                                               ; preds = %29, %27
  %31 = load i1, ptr %2, align 1
  ret i1 %31

32:                                               ; preds = %27
  unreachable
}

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 = { 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 16}
!12 = !{!"_ZTS7aiScene", !10, i64 0, !6, i64 8, !10, i64 16, !6, i64 24, !10, i64 32, !6, i64 40, !10, i64 48, !6, i64 56, !10, i64 64, !6, i64 72, !10, i64 80, !6, i64 88, !10, i64 96, !6, i64 104, !6, i64 112, !13, i64 120, !10, i64 1148, !6, i64 1152, !6, i64 1160}
!13 = !{!"_ZTS8aiString", !10, i64 0, !7, i64 4}
!14 = !{!12, !6, i64 24}
!15 = distinct !{!15, !16}
!16 = !{!"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
declare dso_local noundef zeroext i1 @_Z21IsMeshInVerboseFormatPK6aiMesh(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6Assimp24MakeVerboseFormatProcess15IsVerboseFormatEPK7aiScene(ptr nocapture noundef readonly %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  br label %9

6:                                                ; preds = %9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %7 = load i32, ptr %2, align 8, !tbaa !5
  %8 = zext i32 %7 to i64
  %.not = icmp ult i64 %indvars.iv.next, %8
  br i1 %.not, label %9, label %._crit_edge, !llvm.loop !12

9:                                                ; preds = %.lr.ph, %6
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %6 ]
  %10 = load ptr, ptr %5, align 8, !tbaa !14
  %11 = getelementptr inbounds ptr, ptr %10, i64 %indvars.iv
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  %13 = tail call noundef zeroext i1 @_Z21IsMeshInVerboseFormatPK6aiMesh(ptr noundef %12)
  br i1 %13, label %6, label %._crit_edge

._crit_edge:                                      ; preds = %6, %9, %1
  %.lcssa = phi i1 [ true, %1 ], [ %13, %9 ], [ %13, %6 ]
  ret i1 %.lcssa
}

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" }

!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 16}
!6 = !{!"_ZTS7aiScene", !7, i64 0, !10, i64 8, !7, i64 16, !10, i64 24, !7, i64 32, !10, i64 40, !7, i64 48, !10, i64 56, !7, i64 64, !10, i64 72, !7, i64 80, !10, i64 88, !7, i64 96, !10, i64 104, !10, i64 112, !11, i64 120, !7, i64 1148, !10, i64 1152, !10, i64 1160}
!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 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!6, !10, i64 24}
!15 = !{!10, !10, i64 0}


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