; LLVM IR from CactiLab/Sherloc-Cortex-M-CFVD :: Sherloc_runtime/freertos (timers)

; 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.tmrTimerQueueMessage = type { i64, %union.anon }
%union.anon = type { %struct.tmrCallbackParameters }
%struct.tmrCallbackParameters = type { ptr, ptr, i32 }

@xTimerQueue = external hidden global ptr, section "privileged_data", 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i64 @xQueueGenericSend(ptr noundef, ptr noundef, i32 noundef, i64 noundef) #1 section "privileged_functions"

; Function Attrs: nounwind uwtable
define dso_local i64 @xTimerPendFunctionCall(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #2 section "privileged_functions" {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %struct.tmrTimerQueueMessage, align 8
  %10 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %11 = load ptr, ptr @xTimerQueue, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %15

13:                                               ; preds = %4
  call void asm sideeffect " cpsid i ", "~{memory},~{dirflag},~{fpsr},~{flags}"() #3, !srcloc !11
  br label %14

14:                                               ; preds = %14, %13
  br label %14

15:                                               ; preds = %4
  %16 = getelementptr inbounds %struct.tmrTimerQueueMessage, ptr %9, i32 0, i32 0
  store i64 -1, ptr %16, align 8, !tbaa !12
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.tmrTimerQueueMessage, ptr %9, i32 0, i32 1
  %19 = getelementptr inbounds %struct.tmrCallbackParameters, ptr %18, i32 0, i32 0
  store ptr %17, ptr %19, align 8, !tbaa !15
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.tmrTimerQueueMessage, ptr %9, i32 0, i32 1
  %22 = getelementptr inbounds %struct.tmrCallbackParameters, ptr %21, i32 0, i32 1
  store ptr %20, ptr %22, align 8, !tbaa !15
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = getelementptr inbounds %struct.tmrTimerQueueMessage, ptr %9, i32 0, i32 1
  %25 = getelementptr inbounds %struct.tmrCallbackParameters, ptr %24, i32 0, i32 2
  store i32 %23, ptr %25, align 8, !tbaa !15
  %26 = load ptr, ptr @xTimerQueue, align 8, !tbaa !5
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = call i64 @xQueueGenericSend(ptr noundef %26, ptr noundef %9, i32 noundef %27, i64 noundef 0)
  store i64 %28, ptr %10, align 8, !tbaa !16
  %29 = load i64, ptr %10, align 8, !tbaa !16
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #3
  ret i64 %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 = !{i64 2148313249}
!12 = !{!13, !14, i64 0}
!13 = !{!"tmrTimerQueueMessage", !14, i64 0, !7, i64 8}
!14 = !{!"long", !7, i64 0}
!15 = !{!7, !7, i64 0}
!16 = !{!14, !14, 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.tmrTimerQueueMessage = type { i64, %union.anon }
%union.anon = type { %struct.tmrCallbackParameters }
%struct.tmrCallbackParameters = type { ptr, ptr, i32 }

@xTimerQueue = external hidden local_unnamed_addr global ptr, section "privileged_data", align 8

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

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

declare i64 @xQueueGenericSend(ptr noundef, ptr noundef, i32 noundef, i64 noundef) local_unnamed_addr #1 section "privileged_functions"

; Function Attrs: nounwind uwtable
define dso_local i64 @xTimerPendFunctionCall(ptr noundef %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #2 section "privileged_functions" {
  %5 = alloca %struct.tmrTimerQueueMessage, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  %6 = load ptr, ptr @xTimerQueue, align 8, !tbaa !5
  %7 = icmp eq ptr %6, null
  br i1 %7, label %8, label %10

8:                                                ; preds = %4
  tail call void asm sideeffect " cpsid i ", "~{memory},~{dirflag},~{fpsr},~{flags}"() #3, !srcloc !9
  br label %9

9:                                                ; preds = %9, %8
  br label %9

10:                                               ; preds = %4
  store i64 -1, ptr %5, align 8, !tbaa !10
  %11 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %0, ptr %11, align 8, !tbaa !13
  %12 = getelementptr inbounds i8, ptr %5, i64 16
  store ptr %1, ptr %12, align 8, !tbaa !13
  %13 = getelementptr inbounds i8, ptr %5, i64 24
  store i32 %2, ptr %13, align 8, !tbaa !13
  %14 = call i64 @xQueueGenericSend(ptr noundef nonnull %6, ptr noundef nonnull %5, i32 noundef %3, i64 noundef 0) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  ret i64 %14
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 = !{i64 2148313249}
!10 = !{!11, !12, i64 0}
!11 = !{!"tmrTimerQueueMessage", !12, i64 0, !7, i64 8}
!12 = !{!"long", !7, i64 0}
!13 = !{!7, !7, i64 0}


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