; LLVM IR from nickmqb/muon :: bootstrap/mu.ll_AstPrinter (printCodeUnit__)

; 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.Node__ = type { i32, ptr }
%struct.tag_____CodeUnit__ = type { %struct.string__, i32, %struct.string__, ptr }
%struct.string__ = type { ptr, i32 }
%struct.tag_____List__Node____ = type { ptr, i32, i32 }

; 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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
declare dso_local void @AstPrinter__printAny__(ptr noundef, i32, ptr) #2

; Function Attrs: nounwind uwtable
define dso_local void @AstPrinter__printCodeUnit__(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %struct.Node__, 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 8, ptr %5) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.tag_____CodeUnit__, ptr %8, i32 0, i32 3
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  store ptr %10, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !13
  br label %11

11:                                               ; preds = %17, %2
  %12 = load i32, ptr %6, align 4, !tbaa !13
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.tag_____List__Node____, ptr %13, i32 0, i32 1
  %15 = load i32, ptr %14, align 8, !tbaa !14
  %16 = icmp slt i32 %12, %15
  br i1 %16, label %17, label %31

17:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #3
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.tag_____List__Node____, ptr %18, i32 0, i32 0
  %20 = load ptr, ptr %19, align 8, !tbaa !16
  %21 = load i32, ptr %6, align 4, !tbaa !13
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds %struct.Node__, ptr %20, i64 %22
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %23, i64 16, i1 false), !tbaa.struct !17
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds { i32, ptr }, ptr %7, i32 0, i32 0
  %26 = load i32, ptr %25, align 8
  %27 = getelementptr inbounds { i32, ptr }, ptr %7, i32 0, i32 1
  %28 = load ptr, ptr %27, align 8
  call void @AstPrinter__printAny__(ptr noundef %24, i32 %26, ptr %28)
  %29 = load i32, ptr %6, align 4, !tbaa !13
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %6, align 4, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #3
  br label %11, !llvm.loop !18

31:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !6, i64 40}
!10 = !{!"tag_____CodeUnit__", !11, i64 0, !12, i64 16, !11, i64 24, !6, i64 40}
!11 = !{!"", !6, i64 0, !12, i64 8}
!12 = !{!"int", !7, i64 0}
!13 = !{!12, !12, i64 0}
!14 = !{!15, !12, i64 8}
!15 = !{!"tag_____List__Node____", !6, i64 0, !12, i64 8, !12, i64 12}
!16 = !{!15, !6, i64 0}
!17 = !{i64 0, i64 4, !13, i64 8, i64 8, !5}
!18 = distinct !{!18, !19}
!19 = !{!"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.Node__ = type { i32, ptr }

; Function Attrs: nounwind uwtable
declare dso_local void @AstPrinter__printAny__(ptr noundef, i32, ptr) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @AstPrinter__printCodeUnit__(ptr noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %1, i64 40
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %4, i64 8
  %6 = load i32, ptr %5, align 8, !tbaa !12
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %2 ]
  %8 = load ptr, ptr %4, align 8, !tbaa !14
  %9 = getelementptr inbounds %struct.Node__, ptr %8, i64 %indvars.iv
  %.sroa.0.0.copyload = load i32, ptr %9, align 8, !tbaa !15
  %.sroa.41.0..sroa_idx = getelementptr inbounds i8, ptr %9, i64 8
  %.sroa.41.0.copyload = load ptr, ptr %.sroa.41.0..sroa_idx, align 8, !tbaa !16
  tail call void @AstPrinter__printAny__(ptr noundef %0, i32 %.sroa.0.0.copyload, ptr %.sroa.41.0.copyload)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = load i32, ptr %5, align 8, !tbaa !12
  %11 = sext i32 %10 to i64
  %12 = icmp slt i64 %indvars.iv.next, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !17

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void
}

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" }

!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, !8, i64 40}
!6 = !{!"tag_____CodeUnit__", !7, i64 0, !11, i64 16, !7, i64 24, !8, i64 40}
!7 = !{!"", !8, i64 0, !11, i64 8}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!13, !11, i64 8}
!13 = !{!"tag_____List__Node____", !8, i64 0, !11, i64 8, !11, i64 12}
!14 = !{!13, !8, i64 0}
!15 = !{!11, !11, i64 0}
!16 = !{!8, !8, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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