; LLVM IR from eclipse-threadx/threadx :: ports_module/cortex_a7/ac5/example_build (sample_threadx_module)

; 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"

@event_flags_0 = external dso_local global ptr, align 8
@thread_0_counter = external dso_local global i64, align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @thread_0_entry(i64 noundef %0) #1 {
  %2 = alloca i64, align 8
  %3 = alloca i32, align 4
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i64 3735928559, ptr inttoptr (i64 2415919104 to ptr), align 8, !tbaa !5
  store i64 4276947677, ptr inttoptr (i64 2415923196 to ptr), align 8, !tbaa !5
  store i64 4275878401, ptr inttoptr (i64 2415923200 to ptr), align 8, !tbaa !5
  br label %4

4:                                                ; preds = %14, %1
  br label %5

5:                                                ; preds = %4
  %6 = load i64, ptr @thread_0_counter, align 8, !tbaa !5
  %7 = add i64 %6, 1
  store i64 %7, ptr @thread_0_counter, align 8, !tbaa !5
  %8 = call i32 @_tx_thread_sleep(i64 noundef 10)
  %9 = load ptr, ptr @event_flags_0, align 8, !tbaa !9
  %10 = call i32 @_txe_event_flags_set(ptr noundef %9, i64 noundef 1, i32 noundef 0)
  store i32 %10, ptr %3, align 4, !tbaa !11
  %11 = load i32, ptr %3, align 4, !tbaa !11
  %12 = icmp ne i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %5
  br label %15

14:                                               ; preds = %5
  br label %4

15:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @_tx_thread_sleep(i64 noundef) #2

declare i32 @_txe_event_flags_set(ptr noundef, i64 noundef, i32 noundef) #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 = { "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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@event_flags_0 = external dso_local local_unnamed_addr global ptr, align 8
@thread_0_counter = external dso_local local_unnamed_addr global i64, align 8

; Function Attrs: nounwind uwtable
define dso_local void @thread_0_entry(i64 noundef %0) local_unnamed_addr #0 {
  store i64 3735928559, ptr inttoptr (i64 2415919104 to ptr), align 268435456, !tbaa !5
  store i64 4276947677, ptr inttoptr (i64 2415923196 to ptr), align 8, !tbaa !5
  store i64 4275878401, ptr inttoptr (i64 2415923200 to ptr), align 4096, !tbaa !5
  br label %2

2:                                                ; preds = %2, %1
  %3 = load i64, ptr @thread_0_counter, align 8, !tbaa !5
  %4 = add i64 %3, 1
  store i64 %4, ptr @thread_0_counter, align 8, !tbaa !5
  %5 = tail call i32 @_tx_thread_sleep(i64 noundef 10) #2
  %6 = load ptr, ptr @event_flags_0, align 8, !tbaa !9
  %7 = tail call i32 @_txe_event_flags_set(ptr noundef %6, i64 noundef 1, i32 noundef 0) #2
  %.not = icmp eq i32 %7, 0
  br i1 %.not, label %2, label %8

8:                                                ; preds = %2
  ret void
}

declare i32 @_tx_thread_sleep(i64 noundef) local_unnamed_addr #1

declare i32 @_txe_event_flags_set(ptr noundef, i64 noundef, i32 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, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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