; LLVM IR from tanakamasayuki/Arduino_TensorFlowLite_ESP32 :: src/tensorflow/lite/micro/micro_profiler.ll (ZNK6tflite13MicroProfiler6LogCsvEv)

; 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::MicroProfiler" = type <{ ptr, [1024 x ptr], [1024 x i32], [1024 x i32], i32, [4 x i8] }>

@.str.1 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 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 void @_Z11MicroPrintfPKcz(ptr noundef, ...) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK6tflite13MicroProfiler6LogCsvEv(ptr noundef nonnull align 8 dereferenceable(16396) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  call void (ptr, ...) @_Z11MicroPrintfPKcz(ptr noundef @.str.1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %31, %1
  %7 = load i32, ptr %3, align 4, !tbaa !9
  %8 = getelementptr inbounds %"class.tflite::MicroProfiler", ptr %5, i32 0, i32 4
  %9 = load i32, ptr %8, align 8, !tbaa !11
  %10 = icmp slt i32 %7, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %34

12:                                               ; preds = %6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %13 = getelementptr inbounds %"class.tflite::MicroProfiler", ptr %5, i32 0, i32 3
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds [1024 x i32], ptr %13, i64 0, i64 %15
  %17 = load i32, ptr %16, align 4, !tbaa !9
  %18 = getelementptr inbounds %"class.tflite::MicroProfiler", ptr %5, i32 0, i32 2
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [1024 x i32], ptr %18, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = sub nsw i32 %17, %22
  store i32 %23, ptr %4, align 4, !tbaa !9
  %24 = load i32, ptr %3, align 4, !tbaa !9
  %25 = getelementptr inbounds %"class.tflite::MicroProfiler", ptr %5, i32 0, i32 1
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [1024 x ptr], ptr %25, i64 0, i64 %27
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  %30 = load i32, ptr %4, align 4, !tbaa !9
  call void (ptr, ...) @_Z11MicroPrintfPKcz(ptr noundef @.str.2, i32 noundef %24, ptr noundef %29, i32 noundef %30)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %31

31:                                               ; preds = %12
  %32 = load i32, ptr %3, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %3, align 4, !tbaa !9
  br label %6, !llvm.loop !13

34:                                               ; preds = %11
  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 = { 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 #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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 16392}
!12 = !{!"_ZTSN6tflite13MicroProfilerE", !7, i64 8, !7, i64 8200, !7, i64 12296, !10, i64 16392}
!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"

@.str.1 = external hidden unnamed_addr constant [22 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK6tflite13MicroProfiler6LogCsvEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(16396) %0) local_unnamed_addr #1 align 2 {
  tail call void (ptr, ...) @_Z11MicroPrintfPKcz(ptr noundef nonnull @.str.1)
  %2 = getelementptr inbounds i8, ptr %0, i64 16392
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 12296
  %6 = getelementptr inbounds i8, ptr %0, i64 8200
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  br label %8

._crit_edge:                                      ; preds = %8, %1
  ret void

8:                                                ; preds = %.lr.ph, %8
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %8 ]
  %9 = getelementptr inbounds [1024 x i32], ptr %5, i64 0, i64 %indvars.iv
  %10 = load i32, ptr %9, align 4, !tbaa !10
  %11 = getelementptr inbounds [1024 x i32], ptr %6, i64 0, i64 %indvars.iv
  %12 = load i32, ptr %11, align 4, !tbaa !10
  %13 = sub nsw i32 %10, %12
  %14 = getelementptr inbounds [1024 x ptr], ptr %7, i64 0, i64 %indvars.iv
  %15 = load ptr, ptr %14, align 8, !tbaa !11
  %16 = trunc nuw nsw i64 %indvars.iv to i32
  tail call void (ptr, ...) @_Z11MicroPrintfPKcz(ptr noundef nonnull @.str.2, i32 noundef %16, ptr noundef %15, i32 noundef %13)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %17 = load i32, ptr %2, align 8, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = icmp slt i64 %indvars.iv.next, %18
  br i1 %19, label %8, label %._crit_edge, !llvm.loop !13
}

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 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, !9, i64 16392}
!6 = !{!"_ZTSN6tflite13MicroProfilerE", !7, i64 8, !7, i64 8200, !7, i64 12296, !9, i64 16392}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"int", !7, i64 0}
!10 = !{!9, !9, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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