; LLVM IR from Seeed-Studio/Seeed_Arduino_edgeimpulse :: src/edge-impulse-sdk/tensorflow/lite/c (common)

; 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.TfLiteIntArray = type { i32, [0 x i32] }

; 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: nounwind uwtable
declare dso_local ptr @TfLiteIntArrayCreate(i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @TfLiteIntArrayCopy(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %1
  store ptr null, ptr %2, align 8
  br label %29

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.TfLiteIntArray, ptr %9, i32 0, i32 0
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = call ptr @TfLiteIntArrayCreate(i32 noundef %11)
  store ptr %12, ptr %4, align 8, !tbaa !5
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %27

15:                                               ; preds = %8
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.TfLiteIntArray, ptr %16, i32 0, i32 1
  %18 = getelementptr inbounds [0 x i32], ptr %17, i64 0, i64 0
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.TfLiteIntArray, ptr %19, i32 0, i32 1
  %21 = getelementptr inbounds [0 x i32], ptr %20, i64 0, i64 0
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.TfLiteIntArray, ptr %22, i32 0, i32 0
  %24 = load i32, ptr %23, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = mul i64 %25, 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %18, ptr align 4 %21, i64 %26, i1 false)
  br label %27

27:                                               ; preds = %15, %8
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %28, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %29

29:                                               ; preds = %27, %7
  %30 = load ptr, ptr %2, align 8
  ret ptr %30
}

; 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) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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: nounwind uwtable
declare dso_local ptr @TfLiteIntArrayCreate(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @TfLiteIntArrayCopy(ptr noundef readonly %0) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %11, label %2

2:                                                ; preds = %1
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = tail call ptr @TfLiteIntArrayCreate(i32 noundef %3)
  %.not10 = icmp eq ptr %4, null
  br i1 %.not10, label %11, label %5

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %4, i64 4
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = load i32, ptr %0, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = shl nsw i64 %9, 2
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 4 %6, ptr nonnull align 4 %7, i64 %10, i1 false)
  br label %11

11:                                               ; preds = %2, %5, %1
  %.0 = phi ptr [ null, %1 ], [ %4, %5 ], [ null, %2 ]
  ret ptr %.0
}

; Function Attrs: mustprogress 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

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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