; LLVM IR from totte174/minesolve :: src (permutations)

; 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.Mask = type { [3 x i64] }

; 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 zeroext i1 @permutation_intersect(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  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) #2
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  store i32 0, ptr %6, align 4, !tbaa !11
  br label %8

8:                                                ; preds = %28, %2
  %9 = load i32, ptr %6, align 4, !tbaa !11
  %10 = icmp slt i32 %9, 3
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  br label %31

12:                                               ; preds = %8
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.Mask, ptr %13, i32 0, i32 0
  %15 = load i32, ptr %6, align 4, !tbaa !11
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [3 x i64], ptr %14, i64 0, i64 %16
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.Mask, ptr %19, i32 0, i32 0
  %21 = load i32, ptr %6, align 4, !tbaa !11
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [3 x i64], ptr %20, i64 0, i64 %22
  %24 = load i64, ptr %23, align 8, !tbaa !9
  %25 = and i64 %18, %24
  %26 = load i64, ptr %5, align 8, !tbaa !9
  %27 = or i64 %26, %25
  store i64 %27, ptr %5, align 8, !tbaa !9
  br label %28

28:                                               ; preds = %12
  %29 = load i32, ptr %6, align 4, !tbaa !11
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %6, align 4, !tbaa !11
  br label %8, !llvm.loop !13

31:                                               ; preds = %11
  %32 = load i64, ptr %5, align 8, !tbaa !9
  %33 = icmp ne i64 %32, 0
  %34 = zext i1 %33 to i8
  store i8 %34, ptr %7, align 1, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  %35 = load i8, ptr %7, align 1, !tbaa !15, !range !17, !noundef !18
  %36 = trunc i8 %35 to i1
  ret i1 %36
}

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 = !{!"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, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!16, !16, i64 0}
!16 = !{!"_Bool", !7, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{}


; 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(argmem: read) uwtable
define dso_local zeroext i1 @permutation_intersect(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load i64, ptr %0, align 8, !tbaa !5
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = and i64 %4, %3
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 8
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %10 = and i64 %9, %7
  %11 = or i64 %10, %5
  %12 = getelementptr inbounds i8, ptr %0, i64 16
  %13 = load i64, ptr %12, align 8, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %1, i64 16
  %15 = load i64, ptr %14, align 8, !tbaa !5
  %16 = and i64 %15, %13
  %17 = or i64 %16, %11
  %18 = icmp ne i64 %17, 0
  ret i1 %18
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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