; LLVM IR from NVIDIA/tensorflow :: tensorflow/lite/experimental/micro/examples/micro_speech (audio_provider_mock)

; 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"

@g_yes_1000ms_sample_data = external constant [0 x i16], align 2
@g_no_1000ms_sample_data = external constant [0 x i16], align 2
@_ZN12_GLOBAL__N_118g_dummy_audio_dataE = external hidden global [512 x i16], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z15GetAudioSamplesPN6tflite13ErrorReporterEiiPiPPs(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i16, align 2
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  store i32 0, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  store i32 16000, ptr %12, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  store i32 64000, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #2
  store i32 80000, ptr %14, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #2
  store i32 128000, ptr %15, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #2
  %20 = load i32, ptr %7, align 4, !tbaa !9
  %21 = mul nsw i32 %20, 16000
  %22 = sdiv i32 %21, 1000
  store i32 %22, ptr %16, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #2
  store i32 0, ptr %17, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %62, %5
  %24 = load i32, ptr %17, align 4, !tbaa !9
  %25 = icmp slt i32 %24, 512
  br i1 %25, label %27, label %26

26:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #2
  br label %65

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #2
  %28 = load i32, ptr %16, align 4, !tbaa !9
  %29 = load i32, ptr %17, align 4, !tbaa !9
  %30 = add nsw i32 %28, %29
  %31 = srem i32 %30, 128000
  store i32 %31, ptr %18, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 2, ptr %19) #2
  %32 = load i32, ptr %18, align 4, !tbaa !9
  %33 = icmp sge i32 %32, 0
  br i1 %33, label %34, label %43

34:                                               ; preds = %27
  %35 = load i32, ptr %18, align 4, !tbaa !9
  %36 = icmp slt i32 %35, 16000
  br i1 %36, label %37, label %43

37:                                               ; preds = %34
  %38 = load i32, ptr %18, align 4, !tbaa !9
  %39 = sub nsw i32 %38, 0
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [0 x i16], ptr @g_yes_1000ms_sample_data, i64 0, i64 %40
  %42 = load i16, ptr %41, align 2, !tbaa !11
  store i16 %42, ptr %19, align 2, !tbaa !11
  br label %57

43:                                               ; preds = %34, %27
  %44 = load i32, ptr %18, align 4, !tbaa !9
  %45 = icmp sge i32 %44, 64000
  br i1 %45, label %46, label %55

46:                                               ; preds = %43
  %47 = load i32, ptr %18, align 4, !tbaa !9
  %48 = icmp slt i32 %47, 80000
  br i1 %48, label %49, label %55

49:                                               ; preds = %46
  %50 = load i32, ptr %18, align 4, !tbaa !9
  %51 = sub nsw i32 %50, 64000
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [0 x i16], ptr @g_no_1000ms_sample_data, i64 0, i64 %52
  %54 = load i16, ptr %53, align 2, !tbaa !11
  store i16 %54, ptr %19, align 2, !tbaa !11
  br label %56

55:                                               ; preds = %46, %43
  store i16 0, ptr %19, align 2, !tbaa !11
  br label %56

56:                                               ; preds = %55, %49
  br label %57

57:                                               ; preds = %56, %37
  %58 = load i16, ptr %19, align 2, !tbaa !11
  %59 = load i32, ptr %17, align 4, !tbaa !9
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [512 x i16], ptr @_ZN12_GLOBAL__N_118g_dummy_audio_dataE, i64 0, i64 %60
  store i16 %58, ptr %61, align 2, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 2, ptr %19) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #2
  br label %62

62:                                               ; preds = %57
  %63 = load i32, ptr %17, align 4, !tbaa !9
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %17, align 4, !tbaa !9
  br label %23, !llvm.loop !13

65:                                               ; preds = %26
  %66 = load ptr, ptr %9, align 8, !tbaa !5
  store i32 512, ptr %66, align 4, !tbaa !9
  %67 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr @_ZN12_GLOBAL__N_118g_dummy_audio_dataE, ptr %67, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

@g_yes_1000ms_sample_data = external local_unnamed_addr constant [0 x i16], align 2
@g_no_1000ms_sample_data = external local_unnamed_addr constant [0 x i16], align 2
@_ZN12_GLOBAL__N_118g_dummy_audio_dataE = external hidden global [512 x i16], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind memory(write, inaccessiblemem: none) uwtable
define dso_local noundef i32 @_Z15GetAudioSamplesPN6tflite13ErrorReporterEiiPiPPs(ptr nocapture noundef readnone %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef writeonly %3, ptr nocapture noundef writeonly %4) local_unnamed_addr #0 {
  %6 = shl nsw i32 %1, 4
  br label %8

7:                                                ; preds = %17
  store i32 512, ptr %3, align 4, !tbaa !5
  store ptr @_ZN12_GLOBAL__N_118g_dummy_audio_dataE, ptr %4, align 8, !tbaa !9
  ret i32 0

8:                                                ; preds = %5, %17
  %indvars.iv = phi i64 [ 0, %5 ], [ %indvars.iv.next, %17 ]
  %9 = trunc i64 %indvars.iv to i32
  %10 = add i32 %6, %9
  %11 = srem i32 %10, 128000
  %or.cond = icmp ult i32 %11, 16000
  br i1 %or.cond, label %.sink.split, label %12

12:                                               ; preds = %8
  %13 = add nsw i32 %11, -64000
  %or.cond3 = icmp ult i32 %13, 16000
  br i1 %or.cond3, label %.sink.split, label %17

.sink.split:                                      ; preds = %12, %8
  %.sink = phi i32 [ %11, %8 ], [ %13, %12 ]
  %g_no_1000ms_sample_data.sink = phi ptr [ @g_yes_1000ms_sample_data, %8 ], [ @g_no_1000ms_sample_data, %12 ]
  %14 = zext nneg i32 %.sink to i64
  %15 = getelementptr inbounds [0 x i16], ptr %g_no_1000ms_sample_data.sink, i64 0, i64 %14
  %16 = load i16, ptr %15, align 2, !tbaa !11
  br label %17

17:                                               ; preds = %.sink.split, %12
  %.0 = phi i16 [ 0, %12 ], [ %16, %.sink.split ]
  %18 = getelementptr inbounds [512 x i16], ptr @_ZN12_GLOBAL__N_118g_dummy_audio_dataE, i64 0, i64 %indvars.iv
  store i16 %.0, ptr %18, align 2, !tbaa !11
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 512
  br i1 %exitcond.not, label %7, label %8, !llvm.loop !13
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind memory(write, inaccessiblemem: none) 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: BDCEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass