; LLVM IR from mlcommons/tiny :: benchmark/interface/Middlewares/ST/threadx/common/src/txe_thread_time_slice_ch_e6c1b7dc (change)

; 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.TX_THREAD_STRUCT = type { i64, i64, ptr, ptr, ptr, i64, i64, i64, ptr, ptr, ptr, i32, i32, i32, i32, i32, ptr, ptr, i64, %struct.TX_TIMER_INTERNAL_STRUCT, ptr, ptr, ptr, ptr, i64, ptr, i32, i32, ptr, ptr, ptr, ptr, i32, i32, i32, i32, ptr, ptr, ptr, i64 }
%struct.TX_TIMER_INTERNAL_STRUCT = type { i64, i64, ptr, i64, ptr, ptr, ptr }

@_tx_thread_system_state = external global i64, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @_txe_thread_time_slice_change(ptr noundef %0, i64 noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %11

10:                                               ; preds = %3
  store i32 14, ptr %7, align 4, !tbaa !11
  br label %36

11:                                               ; preds = %3
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.TX_THREAD_STRUCT, ptr %12, i32 0, i32 0
  %14 = load i64, ptr %13, align 8, !tbaa !13
  %15 = icmp ne i64 %14, 1414025796
  br i1 %15, label %16, label %17

16:                                               ; preds = %11
  store i32 14, ptr %7, align 4, !tbaa !11
  br label %35

17:                                               ; preds = %11
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = icmp eq ptr %18, null
  br i1 %19, label %20, label %21

20:                                               ; preds = %17
  store i32 3, ptr %7, align 4, !tbaa !11
  br label %34

21:                                               ; preds = %17
  %22 = load volatile i64, ptr @_tx_thread_system_state, align 8, !tbaa !9
  %23 = call i32 @_tx_ipsr_get()
  %24 = zext i32 %23 to i64
  %25 = or i64 %22, %24
  %26 = icmp ne i64 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %21
  store i32 19, ptr %7, align 4, !tbaa !11
  br label %33

28:                                               ; preds = %21
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load i64, ptr %5, align 8, !tbaa !9
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  %32 = call i32 @_tx_thread_time_slice_change(ptr noundef %29, i64 noundef %30, ptr noundef %31)
  store i32 %32, ptr %7, align 4, !tbaa !11
  br label %33

33:                                               ; preds = %28, %27
  br label %34

34:                                               ; preds = %33, %20
  br label %35

35:                                               ; preds = %34, %16
  br label %36

36:                                               ; preds = %35, %10
  %37 = load i32, ptr %7, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret i32 %37
}

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

; Function Attrs: alwaysinline nounwind uwtable
declare hidden i32 @_tx_ipsr_get() #2

declare i32 @_tx_thread_time_slice_change(ptr noundef, i64 noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { alwaysinline 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 = { "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 #4 = { 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"TX_THREAD_STRUCT", !10, i64 0, !10, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !10, i64 40, !10, i64 48, !10, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !12, i64 88, !12, i64 92, !12, i64 96, !12, i64 100, !12, i64 104, !6, i64 112, !6, i64 120, !10, i64 128, !15, i64 136, !6, i64 192, !6, i64 200, !6, i64 208, !6, i64 216, !10, i64 224, !6, i64 232, !12, i64 240, !12, i64 244, !6, i64 248, !6, i64 256, !6, i64 264, !6, i64 272, !12, i64 280, !12, i64 284, !12, i64 288, !12, i64 292, !6, i64 296, !6, i64 304, !6, i64 312, !10, i64 320}
!15 = !{!"TX_TIMER_INTERNAL_STRUCT", !10, i64 0, !10, i64 8, !6, i64 16, !10, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}


; 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"

@_tx_thread_system_state = external global i64, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @_txe_thread_time_slice_change(ptr noundef %0, i64 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = icmp eq ptr %0, null
  br i1 %4, label %16, label %5

5:                                                ; preds = %3
  %6 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %6, 1414025796
  br i1 %.not, label %7, label %16

7:                                                ; preds = %5
  %8 = icmp eq ptr %2, null
  br i1 %8, label %16, label %9

9:                                                ; preds = %7
  %10 = load volatile i64, ptr @_tx_thread_system_state, align 8, !tbaa !13
  %11 = tail call i32 @_tx_ipsr_get()
  %12 = zext i32 %11 to i64
  %13 = or i64 %10, %12
  %.not8 = icmp eq i64 %13, 0
  br i1 %.not8, label %14, label %16

14:                                               ; preds = %9
  %15 = tail call i32 @_tx_thread_time_slice_change(ptr noundef nonnull %0, i64 noundef %1, ptr noundef nonnull %2) #3
  br label %16

16:                                               ; preds = %9, %7, %5, %3, %14
  %.0 = phi i32 [ %15, %14 ], [ 14, %3 ], [ 14, %5 ], [ 3, %7 ], [ 19, %9 ]
  ret i32 %.0
}

; Function Attrs: alwaysinline nounwind uwtable
declare hidden i32 @_tx_ipsr_get() local_unnamed_addr #1

declare i32 @_tx_thread_time_slice_change(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

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 = { alwaysinline 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 = { "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 0}
!6 = !{!"TX_THREAD_STRUCT", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !10, i64 64, !10, i64 72, !10, i64 80, !11, i64 88, !11, i64 92, !11, i64 96, !11, i64 100, !11, i64 104, !10, i64 112, !10, i64 120, !7, i64 128, !12, i64 136, !10, i64 192, !10, i64 200, !10, i64 208, !10, i64 216, !7, i64 224, !10, i64 232, !11, i64 240, !11, i64 244, !10, i64 248, !10, i64 256, !10, i64 264, !10, i64 272, !11, i64 280, !11, i64 284, !11, i64 288, !11, i64 292, !10, i64 296, !10, i64 304, !10, i64 312, !7, i64 320}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!"TX_TIMER_INTERNAL_STRUCT", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !10, i64 32, !10, i64 40, !10, i64 48}
!13 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass