; LLVM IR from ETH3D/dataset-pipeline :: thirdparty/cork/cork/isct (triangle)

; 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.otri = type { ptr, i32 }
%struct.behavior = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, double, double, double, double, [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8], [2048 x i8] }
%struct.mesh = type { %struct.memorypool, %struct.memorypool, %struct.memorypool, %struct.memorypool, %struct.memorypool, %struct.memorypool, %struct.memorypool, %struct.memorypool, [4096 x ptr], [4096 x ptr], [4096 x i32], i32, ptr, double, double, double, double, double, i32, i32, i32, i32, i32, i32, i64, i32, i32, i32, i64, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i64, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %struct.otri }
%struct.memorypool = type { ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i32, i32, i64, i64, i32, i32 }

@.str.1045 = external hidden unnamed_addr constant [35 x i8], align 1

; 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

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
declare dso_local void @traversalinit(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @triangletraverse(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @testtriangle(ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @tallyfaces(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.otri, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %5) #3
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.behavior, ptr %6, i32 0, i32 29
  %8 = load i32, ptr %7, align 4, !tbaa !9
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %10, label %12

10:                                               ; preds = %2
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str.1045)
  br label %12

12:                                               ; preds = %10, %2
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.mesh, ptr %13, i32 0, i32 0
  call void @traversalinit(ptr noundef %14)
  %15 = getelementptr inbounds %struct.otri, ptr %5, i32 0, i32 1
  store i32 0, ptr %15, align 8, !tbaa !13
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = call ptr @triangletraverse(ptr noundef %16)
  %18 = getelementptr inbounds %struct.otri, ptr %5, i32 0, i32 0
  store ptr %17, ptr %18, align 8, !tbaa !15
  br label %19

19:                                               ; preds = %23, %12
  %20 = getelementptr inbounds %struct.otri, ptr %5, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !15
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %29

23:                                               ; preds = %19
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  call void @testtriangle(ptr noundef %24, ptr noundef %25, ptr noundef %5)
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = call ptr @triangletraverse(ptr noundef %26)
  %28 = getelementptr inbounds %struct.otri, ptr %5, i32 0, i32 0
  store ptr %27, ptr %28, align 8, !tbaa !15
  br label %19, !llvm.loop !16

29:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 16, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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/C++ TBAA"}
!9 = !{!10, !11, i64 116}
!10 = !{!"behavior", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 40, !11, i64 44, !11, i64 48, !11, i64 52, !11, i64 56, !11, i64 60, !11, i64 64, !11, i64 68, !11, i64 72, !11, i64 76, !11, i64 80, !11, i64 84, !11, i64 88, !11, i64 92, !11, i64 96, !11, i64 100, !11, i64 104, !11, i64 108, !11, i64 112, !11, i64 116, !11, i64 120, !11, i64 124, !11, i64 128, !11, i64 132, !12, i64 136, !12, i64 144, !12, i64 152, !12, i64 160, !7, i64 168, !7, i64 2216, !7, i64 4264, !7, i64 6312, !7, i64 8360, !7, i64 10408, !7, i64 12456, !7, i64 14504, !7, i64 16552, !7, i64 18600, !7, i64 20648, !7, i64 22696}
!11 = !{!"int", !7, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!14, !11, i64 8}
!14 = !{!"otri", !6, i64 0, !11, i64 8}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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.otri = type { ptr, i32 }

@.str.1045 = external hidden unnamed_addr constant [35 x i8], align 1

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

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

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @traversalinit(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @triangletraverse(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @testtriangle(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @tallyfaces(ptr noundef %0, ptr noundef %1) local_unnamed_addr #2 {
  %3 = alloca %struct.otri, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %1, i64 116
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %8, label %6

6:                                                ; preds = %2
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1045)
  br label %8

8:                                                ; preds = %6, %2
  tail call void @traversalinit(ptr noundef %0)
  %9 = getelementptr inbounds i8, ptr %3, i64 8
  store i32 0, ptr %9, align 8, !tbaa !11
  %10 = tail call ptr @triangletraverse(ptr noundef %0)
  store ptr %10, ptr %3, align 8, !tbaa !14
  %.not67 = icmp eq ptr %10, null
  br i1 %.not67, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %8, %.lr.ph
  call void @testtriangle(ptr noundef %0, ptr noundef %1, ptr noundef nonnull %3)
  %11 = call ptr @triangletraverse(ptr noundef %0)
  store ptr %11, ptr %3, align 8, !tbaa !14
  %.not6 = icmp eq ptr %11, null
  br i1 %.not6, label %._crit_edge, label %.lr.ph, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph, %8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #3
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree nounwind "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 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, !7, i64 116}
!6 = !{!"behavior", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !7, i64 44, !7, i64 48, !7, i64 52, !7, i64 56, !7, i64 60, !7, i64 64, !7, i64 68, !7, i64 72, !7, i64 76, !7, i64 80, !7, i64 84, !7, i64 88, !7, i64 92, !7, i64 96, !7, i64 100, !7, i64 104, !7, i64 108, !7, i64 112, !7, i64 116, !7, i64 120, !7, i64 124, !7, i64 128, !7, i64 132, !10, i64 136, !10, i64 144, !10, i64 152, !10, i64 160, !8, i64 168, !8, i64 2216, !8, i64 4264, !8, i64 6312, !8, i64 8360, !8, i64 10408, !8, i64 12456, !8, i64 14504, !8, i64 16552, !8, i64 18600, !8, i64 20648, !8, i64 22696}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"double", !8, i64 0}
!11 = !{!12, !7, i64 8}
!12 = !{!"otri", !13, i64 0, !7, i64 8}
!13 = !{!"any pointer", !8, i64 0}
!14 = !{!12, !13, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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