; LLVM IR from jermp/2i_bench :: external/CRoaring/src/containers (bitset)

; 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.bitset_container_s = type { i32, ptr }

; 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: inlinehint nounwind uwtable
declare hidden i32 @hamming(i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @bitset_container_xor(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = 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
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.bitset_container_s, ptr %14, i32 0, i32 1
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  store ptr %16, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.bitset_container_s, ptr %17, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  store ptr %19, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.bitset_container_s, ptr %20, i32 0, i32 1
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  store ptr %22, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  store i64 0, ptr %11, align 8, !tbaa !13
  br label %23

23:                                               ; preds = %65, %3
  %24 = load i64, ptr %11, align 8, !tbaa !13
  %25 = icmp ult i64 %24, 1024
  br i1 %25, label %27, label %26

26:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  br label %68

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = load i64, ptr %11, align 8, !tbaa !13
  %30 = getelementptr inbounds i64, ptr %28, i64 %29
  %31 = load i64, ptr %30, align 8, !tbaa !13
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  %33 = load i64, ptr %11, align 8, !tbaa !13
  %34 = getelementptr inbounds i64, ptr %32, i64 %33
  %35 = load i64, ptr %34, align 8, !tbaa !13
  %36 = xor i64 %31, %35
  store i64 %36, ptr %12, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #3
  %37 = load ptr, ptr %7, align 8, !tbaa !5
  %38 = load i64, ptr %11, align 8, !tbaa !13
  %39 = add i64 %38, 1
  %40 = getelementptr inbounds i64, ptr %37, i64 %39
  %41 = load i64, ptr %40, align 8, !tbaa !13
  %42 = load ptr, ptr %8, align 8, !tbaa !5
  %43 = load i64, ptr %11, align 8, !tbaa !13
  %44 = add i64 %43, 1
  %45 = getelementptr inbounds i64, ptr %42, i64 %44
  %46 = load i64, ptr %45, align 8, !tbaa !13
  %47 = xor i64 %41, %46
  store i64 %47, ptr %13, align 8, !tbaa !13
  %48 = load i64, ptr %12, align 8, !tbaa !13
  %49 = load ptr, ptr %9, align 8, !tbaa !5
  %50 = load i64, ptr %11, align 8, !tbaa !13
  %51 = getelementptr inbounds i64, ptr %49, i64 %50
  store i64 %48, ptr %51, align 8, !tbaa !13
  %52 = load i64, ptr %13, align 8, !tbaa !13
  %53 = load ptr, ptr %9, align 8, !tbaa !5
  %54 = load i64, ptr %11, align 8, !tbaa !13
  %55 = add i64 %54, 1
  %56 = getelementptr inbounds i64, ptr %53, i64 %55
  store i64 %52, ptr %56, align 8, !tbaa !13
  %57 = load i64, ptr %12, align 8, !tbaa !13
  %58 = call i32 @hamming(i64 noundef %57)
  %59 = load i32, ptr %10, align 4, !tbaa !12
  %60 = add nsw i32 %59, %58
  store i32 %60, ptr %10, align 4, !tbaa !12
  %61 = load i64, ptr %13, align 8, !tbaa !13
  %62 = call i32 @hamming(i64 noundef %61)
  %63 = load i32, ptr %10, align 4, !tbaa !12
  %64 = add nsw i32 %63, %62
  store i32 %64, ptr %10, align 4, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  br label %65

65:                                               ; preds = %27
  %66 = load i64, ptr %11, align 8, !tbaa !13
  %67 = add i64 %66, 2
  store i64 %67, ptr %11, align 8, !tbaa !13
  br label %23, !llvm.loop !15

68:                                               ; preds = %26
  %69 = load i32, ptr %10, align 4, !tbaa !12
  %70 = load ptr, ptr %6, align 8, !tbaa !5
  %71 = getelementptr inbounds %struct.bitset_container_s, ptr %70, i32 0, i32 0
  store i32 %69, ptr %71, align 8, !tbaa !17
  %72 = load ptr, ptr %6, align 8, !tbaa !5
  %73 = getelementptr inbounds %struct.bitset_container_s, ptr %72, i32 0, i32 0
  %74 = load i32, ptr %73, align 8, !tbaa !17
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret i32 %74
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 8}
!10 = !{!"bitset_container_s", !11, i64 0, !6, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!10, !11, i64 0}


; 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: inlinehint nounwind uwtable
declare hidden i32 @hamming(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @bitset_container_xor(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef %2) local_unnamed_addr #1 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %2, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  br label %11

10:                                               ; preds = %11
  store i32 %23, ptr %2, align 8, !tbaa !11
  ret i32 %23

11:                                               ; preds = %3, %11
  %.027 = phi i32 [ 0, %3 ], [ %23, %11 ]
  %.02526 = phi i64 [ 0, %3 ], [ %24, %11 ]
  %12 = getelementptr inbounds i64, ptr %5, i64 %.02526
  %13 = getelementptr inbounds i64, ptr %7, i64 %.02526
  %14 = getelementptr inbounds i64, ptr %9, i64 %.02526
  %15 = load <2 x i64>, ptr %12, align 8, !tbaa !12
  %16 = load <2 x i64>, ptr %13, align 8, !tbaa !12
  %17 = xor <2 x i64> %16, %15
  store <2 x i64> %17, ptr %14, align 8, !tbaa !12
  %18 = extractelement <2 x i64> %17, i64 0
  %19 = tail call i32 @hamming(i64 noundef %18)
  %20 = add nsw i32 %19, %.027
  %21 = extractelement <2 x i64> %17, i64 1
  %22 = tail call i32 @hamming(i64 noundef %21)
  %23 = add nsw i32 %20, %22
  %24 = add nuw nsw i64 %.02526, 2
  %25 = icmp ult i64 %.02526, 1022
  br i1 %25, label %11, label %10, !llvm.loop !14
}

attributes #0 = { 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 #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" }

!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, !10, i64 8}
!6 = !{!"bitset_container_s", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass