; LLVM IR from tensorflow/tflite-micro :: tensorflow/lite/micro/memory_planner (greedy_memory_planner)

; 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"

%"class.tflite::GreedyMemoryPlanner" = type <{ %"class.tflite::MicroMemoryPlanner", i32, i32, ptr, ptr, ptr, ptr, i32, i32, ptr, i8, [7 x i8] }>
%"class.tflite::MicroMemoryPlanner" = type { ptr }

@.str.3 = external hidden unnamed_addr constant [41 x i8], align 1

declare void @_Z11MicroPrintfPKcz(ptr noundef, ...) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6tflite19GreedyMemoryPlanner24CalculateOffsetsIfNeededEv(ptr noundef nonnull align 8 dereferenceable(65)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN6tflite19GreedyMemoryPlanner18GetOffsetForBufferEiPi(ptr noundef nonnull align 8 dereferenceable(65) %0, i32 noundef %1, ptr noundef %2) unnamed_addr #2 align 2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %8 = load ptr, ptr %5, align 8
  call void @_ZN6tflite19GreedyMemoryPlanner24CalculateOffsetsIfNeededEv(ptr noundef nonnull align 8 dereferenceable(65) %8)
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = icmp slt i32 %9, 0
  br i1 %10, label %16, label %11

11:                                               ; preds = %3
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = getelementptr inbounds %"class.tflite::GreedyMemoryPlanner", ptr %8, i32 0, i32 2
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = icmp sge i32 %12, %14
  br i1 %15, label %16, label %20

16:                                               ; preds = %11, %3
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = getelementptr inbounds %"class.tflite::GreedyMemoryPlanner", ptr %8, i32 0, i32 2
  %19 = load i32, ptr %18, align 4, !tbaa !11
  call void (ptr, ...) @_Z11MicroPrintfPKcz(ptr noundef @.str.3, i32 noundef %17, i32 noundef %19)
  store i32 1, ptr %4, align 4
  br label %28

20:                                               ; preds = %11
  %21 = getelementptr inbounds %"class.tflite::GreedyMemoryPlanner", ptr %8, i32 0, i32 9
  %22 = load ptr, ptr %21, align 8, !tbaa !15
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds i32, ptr %22, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  store i32 %26, ptr %27, align 4, !tbaa !9
  store i32 0, ptr %4, align 4
  br label %28

28:                                               ; preds = %20, %16
  %29 = load i32, ptr %4, align 4
  ret i32 %29
}

attributes #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" }
attributes #2 = { 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, !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 12}
!12 = !{!"_ZTSN6tflite19GreedyMemoryPlannerE", !13, i64 0, !10, i64 8, !10, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !10, i64 48, !10, i64 52, !6, i64 56, !14, i64 64}
!13 = !{!"_ZTSN6tflite18MicroMemoryPlannerE"}
!14 = !{!"bool", !7, i64 0}
!15 = !{!12, !6, i64 56}


; 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"

@.str.3 = external hidden unnamed_addr constant [41 x i8], align 1

declare void @_Z11MicroPrintfPKcz(ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6tflite19GreedyMemoryPlanner24CalculateOffsetsIfNeededEv(ptr noundef nonnull align 8 dereferenceable(65)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, 2) i32 @_ZN6tflite19GreedyMemoryPlanner18GetOffsetForBufferEiPi(ptr noundef nonnull align 8 dereferenceable(65) %0, i32 noundef %1, ptr nocapture noundef writeonly %2) unnamed_addr #2 align 2 {
  tail call void @_ZN6tflite19GreedyMemoryPlanner24CalculateOffsetsIfNeededEv(ptr noundef nonnull align 8 dereferenceable(65) %0)
  %4 = icmp sgt i32 %1, -1
  %5 = getelementptr inbounds i8, ptr %0, i64 12
  %6 = load i32, ptr %5, align 4
  %.not = icmp sgt i32 %6, %1
  %or.cond = select i1 %4, i1 %.not, i1 false
  br i1 %or.cond, label %8, label %7

7:                                                ; preds = %3
  tail call void (ptr, ...) @_Z11MicroPrintfPKcz(ptr noundef nonnull @.str.3, i32 noundef %1, i32 noundef %6)
  br label %14

8:                                                ; preds = %3
  %9 = getelementptr inbounds i8, ptr %0, i64 56
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = zext nneg i32 %1 to i64
  %12 = getelementptr inbounds i32, ptr %10, i64 %11
  %13 = load i32, ptr %12, align 4, !tbaa !13
  store i32 %13, ptr %2, align 4, !tbaa !13
  br label %14

14:                                               ; preds = %8, %7
  %.0 = phi i32 [ 1, %7 ], [ 0, %8 ]
  ret i32 %.0
}

attributes #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" }
attributes #2 = { 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, !11, i64 56}
!6 = !{!"_ZTSN6tflite19GreedyMemoryPlannerE", !7, i64 0, !8, i64 8, !8, i64 12, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !8, i64 48, !8, i64 52, !11, i64 56, !12, i64 64}
!7 = !{!"_ZTSN6tflite18MicroMemoryPlannerE"}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"any pointer", !9, i64 0}
!12 = !{!"bool", !9, i64 0}
!13 = !{!8, !8, i64 0}


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