; LLVM IR from travisdowns/uarch-bench :: page-info (fprint_table)

; 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.page_info = type { i64, i8, i8, i8, i8, i8, i8, i64 }
%struct.page_info_array = type { i64, ptr }

@.str.35 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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

; Function Attrs: nounwind uwtable
declare dso_local void @fprint_info_row(ptr noundef, ptr noundef byval(%struct.page_info) align 8) #2

; Function Attrs: nounwind uwtable
define dso_local void @fprint_table(ptr noundef %0, i64 %1, ptr %2) #2 {
  %4 = alloca %struct.page_info_array, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = getelementptr inbounds { i64, ptr }, ptr %4, i32 0, i32 0
  store i64 %1, ptr %7, align 8
  %8 = getelementptr inbounds { i64, ptr }, ptr %4, i32 0, i32 1
  store ptr %2, ptr %8, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.page_info_array, ptr %4, i32 0, i32 0
  %11 = load i64, ptr %10, align 8, !tbaa !9
  %12 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef @.str.35, i64 noundef %11) #3
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  call void @fprint_info_header(ptr noundef %13)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !12
  br label %14

14:                                               ; preds = %26, %3
  %15 = load i64, ptr %6, align 8, !tbaa !12
  %16 = getelementptr inbounds %struct.page_info_array, ptr %4, i32 0, i32 0
  %17 = load i64, ptr %16, align 8, !tbaa !9
  %18 = icmp ult i64 %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %29

20:                                               ; preds = %14
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.page_info_array, ptr %4, i32 0, i32 1
  %23 = load ptr, ptr %22, align 8, !tbaa !13
  %24 = load i64, ptr %6, align 8, !tbaa !12
  %25 = getelementptr inbounds %struct.page_info, ptr %23, i64 %24
  call void @fprint_info_row(ptr noundef %21, ptr noundef byval(%struct.page_info) align 8 %25)
  br label %26

26:                                               ; preds = %20
  %27 = load i64, ptr %6, align 8, !tbaa !12
  %28 = add i64 %27, 1
  store i64 %28, ptr %6, align 8, !tbaa !12
  br label %14, !llvm.loop !14

29:                                               ; preds = %19
  ret void
}

attributes #0 = { nounwind "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 = { nocallback nofree nosync 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, !11, i64 0}
!10 = !{!"", !11, i64 0, !6, i64 8}
!11 = !{!"long", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !6, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"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.page_info = type { i64, i8, i8, i8, i8, i8, i8, i64 }

@.str.35 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @fprint_info_header(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @fprint_info_row(ptr noundef, ptr noundef byval(%struct.page_info) align 8) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @fprint_table(ptr noundef %0, i64 %1, ptr %2) local_unnamed_addr #1 {
  %4 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %0, ptr noundef nonnull @.str.35, i64 noundef %1) #2
  tail call void @fprint_info_header(ptr noundef %0)
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.06 = phi i64 [ %6, %.lr.ph ], [ 0, %3 ]
  %5 = getelementptr inbounds %struct.page_info, ptr %2, i64 %.06
  tail call void @fprint_info_row(ptr noundef %0, ptr noundef byval(%struct.page_info) align 8 %5)
  %6 = add nuw i64 %.06, 1
  %exitcond.not = icmp eq i64 %6, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5
}

attributes #0 = { nofree nounwind "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 = { 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 }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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