; LLVM IR from eclipse-threadx/threadx :: common/src/txe_thread_reset.ll (txe_thread_reset)

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

@_tx_thread_current_ptr = external global ptr, align 8
@_tx_timer_thread = external global %struct.TX_THREAD_STRUCT, align 8
@_tx_thread_system_state = external global i64, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @_txe_thread_reset(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i32 14, ptr %3, align 4, !tbaa !9
  br label %25

8:                                                ; preds = %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.TX_THREAD_STRUCT, ptr %9, i32 0, i32 0
  %11 = load i64, ptr %10, align 8, !tbaa !11
  %12 = icmp ne i64 %11, 1414025796
  br i1 %12, label %13, label %14

13:                                               ; preds = %8
  store i32 14, ptr %3, align 4, !tbaa !9
  br label %24

14:                                               ; preds = %8
  %15 = load ptr, ptr @_tx_thread_current_ptr, align 8, !tbaa !5
  store ptr %15, ptr %4, align 8, !tbaa !5
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = icmp eq ptr %16, @_tx_timer_thread
  br i1 %17, label %18, label %19

18:                                               ; preds = %14
  store i32 19, ptr %3, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %18, %14
  %20 = load i64, ptr @_tx_thread_system_state, align 8, !tbaa !15
  %21 = icmp ne i64 %20, 0
  br i1 %21, label %22, label %23

22:                                               ; preds = %19
  store i32 19, ptr %3, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %22, %19
  br label %24

24:                                               ; preds = %23, %13
  br label %25

25:                                               ; preds = %24, %7
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = icmp eq i32 %26, 0
  br i1 %27, label %28, label %31

28:                                               ; preds = %25
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = call i32 @_tx_thread_reset(ptr noundef %29)
  store i32 %30, ptr %3, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %28, %25
  %32 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret i32 %32
}

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

declare i32 @_tx_thread_reset(ptr noundef) #2

; 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 = { "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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"TX_THREAD_STRUCT", !13, i64 0, !13, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !13, i64 40, !13, i64 48, !13, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !10, i64 88, !6, i64 96, !6, i64 104, !10, i64 112, !10, i64 116, !10, i64 120, !10, i64 124, !10, i64 128, !6, i64 136, !6, i64 144, !13, i64 152, !14, i64 160, !6, i64 216, !6, i64 224, !6, i64 232, !6, i64 240, !13, i64 248, !6, i64 256, !10, i64 264, !10, i64 268, !6, i64 272, !6, i64 280, !6, i64 288, !10, i64 296, !10, i64 300, !10, i64 304, !10, i64 308, !6, i64 312, !6, i64 320, !6, i64 328, !13, i64 336}
!13 = !{!"long", !7, i64 0}
!14 = !{!"TX_TIMER_INTERNAL_STRUCT", !13, i64 0, !13, i64 8, !6, i64 16, !13, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!15 = !{!13, !13, 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"

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

@_tx_thread_current_ptr = external local_unnamed_addr global ptr, align 8
@_tx_timer_thread = external global %struct.TX_THREAD_STRUCT, align 8
@_tx_thread_system_state = external local_unnamed_addr global i64, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @_txe_thread_reset(ptr noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %.thread, label %3

3:                                                ; preds = %1
  %4 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %4, 1414025796
  br i1 %.not, label %5, label %.thread

5:                                                ; preds = %3
  %6 = load ptr, ptr @_tx_thread_current_ptr, align 8, !tbaa !13
  %7 = icmp ne ptr %6, @_tx_timer_thread
  %8 = load i64, ptr @_tx_thread_system_state, align 8, !tbaa !14
  %.not6 = icmp eq i64 %8, 0
  %or.cond = select i1 %.not6, i1 %7, i1 false
  br i1 %or.cond, label %9, label %.thread

9:                                                ; preds = %5
  %10 = tail call i32 @_tx_thread_reset(ptr noundef nonnull %0) #2
  br label %.thread

.thread:                                          ; preds = %5, %3, %1, %9
  %.2 = phi i32 [ %10, %9 ], [ 19, %5 ], [ 14, %3 ], [ 14, %1 ]
  ret i32 %.2
}

declare i32 @_tx_thread_reset(ptr noundef) local_unnamed_addr #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 = { "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 = { 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, !10, i64 96, !10, i64 104, !11, i64 112, !11, i64 116, !11, i64 120, !11, i64 124, !11, i64 128, !10, i64 136, !10, i64 144, !7, i64 152, !12, i64 160, !10, i64 216, !10, i64 224, !10, i64 232, !10, i64 240, !7, i64 248, !10, i64 256, !11, i64 264, !11, i64 268, !10, i64 272, !10, i64 280, !10, i64 288, !11, i64 296, !11, i64 300, !11, i64 304, !11, i64 308, !10, i64 312, !10, i64 320, !10, i64 328, !7, i64 336}
!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 = !{!10, !10, i64 0}
!14 = !{!7, !7, i64 0}


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