; LLVM IR from ctlst-tech/catpilot :: os/freertos/core/src (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.tmrTimerControl = type { ptr, %struct.xLIST_ITEM, i32, ptr, ptr, i8 }
%struct.xLIST_ITEM = type { i32, ptr, ptr, ptr, 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: alwaysinline nounwind uwtable
declare hidden void @vPortRaiseBASEPRI() #1

; Function Attrs: nounwind uwtable
declare hidden void @prvInitialiseNewTimer(ptr noundef, i32 noundef, i64 noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @xTimerCreateStatic(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef %5) #2 {
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i64, align 8
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !9
  store i64 %2, ptr %9, align 8, !tbaa !11
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  store ptr %5, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #3
  store volatile i64 80, ptr %14, align 8, !tbaa !11
  %15 = load volatile i64, ptr %14, align 8, !tbaa !11
  %16 = icmp eq i64 %15, 80
  %17 = zext i1 %16 to i32
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %21

19:                                               ; preds = %6
  call void @vPortRaiseBASEPRI()
  br label %20

20:                                               ; preds = %20, %19
  br label %20

21:                                               ; preds = %6
  %22 = load volatile i64, ptr %14, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  %23 = load ptr, ptr %12, align 8, !tbaa !5
  %24 = icmp eq ptr %23, null
  br i1 %24, label %25, label %27

25:                                               ; preds = %21
  call void @vPortRaiseBASEPRI()
  br label %26

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

27:                                               ; preds = %21
  %28 = load ptr, ptr %12, align 8, !tbaa !5
  store ptr %28, ptr %13, align 8, !tbaa !5
  %29 = load ptr, ptr %13, align 8, !tbaa !5
  %30 = icmp ne ptr %29, null
  br i1 %30, label %31, label %40

31:                                               ; preds = %27
  %32 = load ptr, ptr %13, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.tmrTimerControl, ptr %32, i32 0, i32 5
  store i8 2, ptr %33, align 8, !tbaa !13
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  %35 = load i32, ptr %8, align 4, !tbaa !9
  %36 = load i64, ptr %9, align 8, !tbaa !11
  %37 = load ptr, ptr %10, align 8, !tbaa !5
  %38 = load ptr, ptr %11, align 8, !tbaa !5
  %39 = load ptr, ptr %13, align 8, !tbaa !5
  call void @prvInitialiseNewTimer(ptr noundef %34, i32 noundef %35, i64 noundef %36, ptr noundef %37, ptr noundef %38, ptr noundef %39)
  br label %40

40:                                               ; preds = %31, %27
  %41 = load ptr, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #3
  ret ptr %41
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { alwaysinline 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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !7, i64 72}
!14 = !{!"tmrTimerControl", !6, i64 0, !15, i64 8, !10, i64 48, !6, i64 56, !6, i64 64, !7, i64 72}
!15 = !{!"xLIST_ITEM", !10, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}


; 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: 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

; Function Attrs: alwaysinline nounwind uwtable
declare hidden void @vPortRaiseBASEPRI() local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @prvInitialiseNewTimer(ptr noundef, i32 noundef, i64 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @xTimerCreateStatic(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef returned %5) local_unnamed_addr #2 {
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7)
  store volatile i64 80, ptr %7, align 8, !tbaa !5
  %.0..0..0..0. = load volatile i64, ptr %7, align 8, !tbaa !5
  %.not = icmp eq i64 %.0..0..0..0., 80
  br i1 %.not, label %10, label %8

8:                                                ; preds = %6
  tail call void @vPortRaiseBASEPRI()
  br label %9

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

10:                                               ; preds = %6
  %.0..0..0..0.1 = load volatile i64, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7)
  %11 = icmp eq ptr %5, null
  br i1 %11, label %12, label %14

12:                                               ; preds = %10
  tail call void @vPortRaiseBASEPRI()
  br label %13

13:                                               ; preds = %13, %12
  br label %13

14:                                               ; preds = %10
  %15 = getelementptr inbounds i8, ptr %5, i64 72
  store i8 2, ptr %15, align 8, !tbaa !9
  tail call void @prvInitialiseNewTimer(ptr noundef %0, i32 noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4, ptr noundef nonnull %5)
  ret ptr %5
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { alwaysinline 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 = { 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" }

!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, !7, i64 72}
!10 = !{!"tmrTimerControl", !11, i64 0, !12, i64 8, !13, i64 48, !11, i64 56, !11, i64 64, !7, i64 72}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"xLIST_ITEM", !13, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32}
!13 = !{!"int", !7, i64 0}


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