; LLVM IR from clausecker/24puzzle :: catalogue (catalogue_partial_hvals)

; 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.pdb_catalogue = type { [64 x %struct.heuristic], [64 x i32], [64 x i64], i64, i64 }
%struct.heuristic = type { ptr, ptr, ptr, ptr, i32, i32, i32 }
%struct.partial_hvals = type { [64 x i8] }

; 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 void @catalogue_partial_hvals(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %27, %3
  %9 = load i64, ptr %7, align 8, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.pdb_catalogue, ptr %10, i32 0, i32 3
  %12 = load i64, ptr %11, align 8, !tbaa !11
  %13 = icmp ult i64 %9, %12
  br i1 %13, label %14, label %30

14:                                               ; preds = %8
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.pdb_catalogue, ptr %15, i32 0, i32 0
  %17 = getelementptr inbounds [64 x %struct.heuristic], ptr %16, i64 0, i64 0
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = getelementptr inbounds %struct.heuristic, ptr %17, i64 %18
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = call i32 @heu_hval(ptr noundef %19, ptr noundef %20)
  %22 = trunc i32 %21 to i8
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.partial_hvals, ptr %23, i32 0, i32 0
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = getelementptr inbounds [64 x i8], ptr %24, i64 0, i64 %25
  store i8 %22, ptr %26, align 1, !tbaa !13
  br label %27

27:                                               ; preds = %14
  %28 = load i64, ptr %7, align 8, !tbaa !9
  %29 = add i64 %28, 1
  store i64 %29, ptr %7, align 8, !tbaa !9
  br label %8, !llvm.loop !14

30:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @heu_hval(ptr noundef, 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 = { inlinehint 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 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 3840}
!12 = !{!"pdb_catalogue", !7, i64 0, !7, i64 3072, !7, i64 3328, !10, i64 3840, !10, i64 3848}
!13 = !{!7, !7, i64 0}
!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.heuristic = type { ptr, ptr, ptr, ptr, i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @catalogue_partial_hvals(ptr nocapture noundef writeonly %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %1, i64 3840
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.07 = phi i64 [ %10, %.lr.ph ], [ 0, %3 ]
  %6 = getelementptr inbounds %struct.heuristic, ptr %1, i64 %.07
  %7 = tail call i32 @heu_hval(ptr noundef %6, ptr noundef %2)
  %8 = trunc i32 %7 to i8
  %9 = getelementptr inbounds [64 x i8], ptr %0, i64 0, i64 %.07
  store i8 %8, ptr %9, align 1, !tbaa !10
  %10 = add nuw i64 %.07, 1
  %11 = load i64, ptr %4, align 8, !tbaa !5
  %12 = icmp ult i64 %10, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !11

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

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @heu_hval(ptr noundef, 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 = { inlinehint 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, !9, i64 3840}
!6 = !{!"pdb_catalogue", !7, i64 0, !7, i64 3072, !7, i64 3328, !9, i64 3840, !9, i64 3848}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"long", !7, i64 0}
!10 = !{!7, !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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