; LLVM IR from ctlst-tech/catpilot :: os/freertos/osa/FreeRTOS-Plus-POSIX/source (FreeRTOS_POSIX_pthread_cond)

; 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.pthread_cond_internal = type { i64, %struct.xSTATIC_QUEUE, i32 }
%struct.xSTATIC_QUEUE = type { [3 x ptr], %union.anon, [2 x %struct.xSTATIC_LIST], [3 x i64], [2 x i8], i8 }
%union.anon = type { ptr }
%struct.xSTATIC_LIST = type { i64, ptr, %struct.xSTATIC_MINI_LIST_ITEM }
%struct.xSTATIC_MINI_LIST_ITEM = type { i32, [2 x ptr] }

; 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

; Function Attrs: nounwind uwtable
define dso_local i32 @pthread_cond_init(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %7, ptr %6, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  store i32 12, ptr %5, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %11, %2
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = icmp eq i32 %13, 0
  br i1 %14, label %15, label %23

15:                                               ; preds = %12
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.pthread_cond_internal, ptr %16, i32 0, i32 0
  store i64 1, ptr %17, align 8, !tbaa !11
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.pthread_cond_internal, ptr %18, i32 0, i32 1
  %20 = call ptr @xQueueCreateCountingSemaphoreStatic(i64 noundef 2147483647, i64 noundef 0, ptr noundef %19)
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.pthread_cond_internal, ptr %21, i32 0, i32 2
  store i32 0, ptr %22, align 8, !tbaa !15
  br label %23

23:                                               ; preds = %15, %12
  %24 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 %24
}

declare ptr @xQueueCreateCountingSemaphoreStatic(i64 noundef, i64 noundef, ptr 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 = !{!"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 = !{!"pthread_cond_internal", !13, i64 0, !14, i64 8, !10, i64 152}
!13 = !{!"long", !7, i64 0}
!14 = !{!"xSTATIC_QUEUE", !7, i64 0, !7, i64 24, !7, i64 32, !7, i64 112, !7, i64 136, !7, i64 138}
!15 = !{!12, !10, i64 152}


; 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 range(i32 0, 13) i32 @pthread_cond_init(ptr noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %7, label %3

3:                                                ; preds = %2
  store i64 1, ptr %0, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = tail call ptr @xQueueCreateCountingSemaphoreStatic(i64 noundef 2147483647, i64 noundef 0, ptr noundef nonnull %4) #2
  %6 = getelementptr inbounds i8, ptr %0, i64 152
  store i32 0, ptr %6, align 8, !tbaa !12
  br label %7

7:                                                ; preds = %3, %2
  %spec.select = phi i32 [ 0, %3 ], [ 12, %2 ]
  ret i32 %spec.select
}

declare ptr @xQueueCreateCountingSemaphoreStatic(i64 noundef, i64 noundef, 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 = !{!"pthread_cond_internal", !7, i64 0, !10, i64 8, !11, i64 152}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"xSTATIC_QUEUE", !8, i64 0, !8, i64 24, !8, i64 32, !8, i64 112, !8, i64 136, !8, i64 138}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !11, i64 152}


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