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

; 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_EVENT_FLAGS_GROUP_STRUCT = type { i64, ptr, i64, i32, ptr, i32, ptr, ptr, i64, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @_txe_event_flags_set(ptr noundef %0, i64 noundef %1, i32 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !11
  %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 6, ptr %7, align 4, !tbaa !11
  br label %27

11:                                               ; preds = %3
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.TX_EVENT_FLAGS_GROUP_STRUCT, ptr %12, i32 0, i32 0
  %14 = load i64, ptr %13, align 8, !tbaa !13
  %15 = icmp ne i64 %14, 1146504270
  br i1 %15, label %16, label %17

16:                                               ; preds = %11
  store i32 6, ptr %7, align 4, !tbaa !11
  br label %26

17:                                               ; preds = %11
  %18 = load i32, ptr %6, align 4, !tbaa !11
  %19 = icmp ne i32 %18, 2
  br i1 %19, label %20, label %25

20:                                               ; preds = %17
  %21 = load i32, ptr %6, align 4, !tbaa !11
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %24

23:                                               ; preds = %20
  store i32 8, ptr %7, align 4, !tbaa !11
  br label %24

24:                                               ; preds = %23, %20
  br label %25

25:                                               ; preds = %24, %17
  br label %26

26:                                               ; preds = %25, %16
  br label %27

27:                                               ; preds = %26, %10
  %28 = load i32, ptr %7, align 4, !tbaa !11
  %29 = icmp eq i32 %28, 0
  br i1 %29, label %30, label %35

30:                                               ; preds = %27
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i64, ptr %5, align 8, !tbaa !9
  %33 = load i32, ptr %6, align 4, !tbaa !11
  %34 = call i32 @_tx_event_flags_set(ptr noundef %31, i64 noundef %32, i32 noundef %33)
  store i32 %34, ptr %7, align 4, !tbaa !11
  br label %35

35:                                               ; preds = %30, %27
  %36 = load i32, ptr %7, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret i32 %36
}

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

declare i32 @_tx_event_flags_set(ptr noundef, i64 noundef, i32 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"TX_EVENT_FLAGS_GROUP_STRUCT", !10, i64 0, !6, i64 8, !10, i64 16, !12, i64 24, !6, i64 32, !12, i64 40, !6, i64 48, !6, i64 56, !10, i64 64, !6, i64 72}


; 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"

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

5:                                                ; preds = %3
  %6 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp eq i64 %6, 1146504270
  br i1 %.not, label %7, label %.thread

7:                                                ; preds = %5
  %8 = and i32 %2, -3
  %or.cond.not = icmp eq i32 %8, 0
  br i1 %or.cond.not, label %9, label %.thread

9:                                                ; preds = %7
  %10 = tail call i32 @_tx_event_flags_set(ptr noundef nonnull %0, i64 noundef %1, i32 noundef %2) #2
  br label %.thread

.thread:                                          ; preds = %5, %3, %9, %7
  %.1 = phi i32 [ %10, %9 ], [ 8, %7 ], [ 6, %3 ], [ 6, %5 ]
  ret i32 %.1
}

declare i32 @_tx_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, !7, i64 0}
!6 = !{!"TX_EVENT_FLAGS_GROUP_STRUCT", !7, i64 0, !10, i64 8, !7, i64 16, !11, i64 24, !10, i64 32, !11, i64 40, !10, i64 48, !10, i64 56, !7, i64 64, !10, i64 72}
!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}


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