; LLVM IR from CactiLab/Sherloc-Cortex-M-CFVD :: Sherloc_runtime/evaluation/src/edn (libedn)

; 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"

; 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 i64 @codebook(i64 noundef %0, i64 noundef %1, i64 noundef %2, i64 noundef %3, i64 noundef %4, ptr noundef %5, i16 noundef signext %6, i16 noundef signext %7) #1 {
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca ptr, align 8
  %15 = alloca i16, align 2
  %16 = alloca i16, align 2
  %17 = alloca i64, align 8
  store i64 %0, ptr %9, align 8, !tbaa !5
  store i64 %1, ptr %10, align 8, !tbaa !5
  store i64 %2, ptr %11, align 8, !tbaa !5
  store i64 %3, ptr %12, align 8, !tbaa !5
  store i64 %4, ptr %13, align 8, !tbaa !5
  store ptr %5, ptr %14, align 8, !tbaa !9
  store i16 %6, ptr %15, align 2, !tbaa !11
  store i16 %7, ptr %16, align 2, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #2
  %18 = load i64, ptr %10, align 8, !tbaa !5
  %19 = add nsw i64 %18, 1
  store i64 %19, ptr %17, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %25, %8
  %21 = load i64, ptr %17, align 8, !tbaa !5
  %22 = load i64, ptr %11, align 8, !tbaa !5
  %23 = icmp sle i64 %21, %22
  br i1 %23, label %24, label %28

24:                                               ; preds = %20
  br label %25

25:                                               ; preds = %24
  %26 = load i64, ptr %17, align 8, !tbaa !5
  %27 = add nsw i64 %26, 1
  store i64 %27, ptr %17, align 8, !tbaa !5
  br label %20, !llvm.loop !13

28:                                               ; preds = %20
  %29 = load i64, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #2
  ret i64 %29
}

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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef i64 @codebook(i64 noundef %0, i64 noundef %1, i64 noundef %2, i64 noundef %3, i64 noundef returned %4, ptr nocapture noundef readnone %5, i16 noundef signext %6, i16 noundef signext %7) local_unnamed_addr #0 {
  ret i64 %4
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass