; LLVM IR from ctlst-tech/catpilot :: os/freertos/services/cli (node)

; 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.cli_node = type { [64 x i8], ptr, ptr }

@root_node = external hidden global %struct.cli_node, align 8
@.str.1 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; 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 @cli_cmd_print() #1 {
  %1 = alloca ptr, align 8
  %2 = call i32 (ptr, ...) @printf_(ptr noundef @.str.1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  %3 = load ptr, ptr getelementptr inbounds (%struct.cli_node, ptr @root_node, i32 0, i32 2), align 8, !tbaa !5
  store ptr %3, ptr %1, align 8, !tbaa !10
  br label %4

4:                                                ; preds = %13, %0
  %5 = load ptr, ptr %1, align 8, !tbaa !10
  %6 = icmp ne ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  br label %17

8:                                                ; preds = %4
  %9 = load ptr, ptr %1, align 8, !tbaa !10
  %10 = getelementptr inbounds %struct.cli_node, ptr %9, i32 0, i32 0
  %11 = getelementptr inbounds [64 x i8], ptr %10, i64 0, i64 0
  %12 = call i32 (ptr, ...) @printf_(ptr noundef @.str.2, ptr noundef %11)
  br label %13

13:                                               ; preds = %8
  %14 = load ptr, ptr %1, align 8, !tbaa !10
  %15 = getelementptr inbounds %struct.cli_node, ptr %14, i32 0, i32 2
  %16 = load ptr, ptr %15, align 8, !tbaa !5
  store ptr %16, ptr %1, align 8, !tbaa !10
  br label %4, !llvm.loop !11

17:                                               ; preds = %7
  ret i32 0
}

declare i32 @printf_(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, !9, i64 72}
!6 = !{!"cli_node", !7, i64 0, !9, i64 64, !9, i64 72}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"any pointer", !7, i64 0}
!10 = !{!9, !9, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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.cli_node = type { [64 x i8], ptr, ptr }

@root_node = external hidden local_unnamed_addr global %struct.cli_node, align 8
@.str.1 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @cli_cmd_print() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ...) @printf_(ptr noundef nonnull @.str.1) #2
  %.03 = load ptr, ptr getelementptr inbounds (i8, ptr @root_node, i64 72), align 8, !tbaa !5
  %.not4 = icmp eq ptr %.03, null
  br i1 %.not4, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %0
  ret i32 0

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.05 = phi ptr [ %.0, %.lr.ph ], [ %.03, %0 ]
  %2 = tail call i32 (ptr, ...) @printf_(ptr noundef nonnull @.str.2, ptr noundef nonnull %.05) #2
  %3 = getelementptr inbounds i8, ptr %.05, i64 72
  %.0 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !10
}

declare i32 @printf_(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, !9, i64 72}
!6 = !{!"cli_node", !7, i64 0, !9, i64 64, !9, i64 72}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"any pointer", !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass