; 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: nounwind uwtable
define dso_local i32 @bitset_container_compute_cardinality(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.bitset_container_s, ptr %6, i32 0, i32 1
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  store ptr %8, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !12
  br label %9

9:                                                ; preds = %49, %1
  %10 = load i32, ptr %5, align 4, !tbaa !12
  %11 = icmp slt i32 %10, 1024
  br i1 %11, label %13, label %12

12:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %52

13:                                               ; preds = %9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load i32, ptr %5, align 4, !tbaa !12
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds i64, ptr %14, i64 %16
  %18 = load i64, ptr %17, align 8, !tbaa !13
  %19 = call i32 @hamming(i64 noundef %18)
  %20 = load i32, ptr %4, align 4, !tbaa !12
  %21 = add nsw i32 %20, %19
  store i32 %21, ptr %4, align 4, !tbaa !12
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load i32, ptr %5, align 4, !tbaa !12
  %24 = add nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i64, ptr %22, i64 %25
  %27 = load i64, ptr %26, align 8, !tbaa !13
  %28 = call i32 @hamming(i64 noundef %27)
  %29 = load i32, ptr %4, align 4, !tbaa !12
  %30 = add nsw i32 %29, %28
  store i32 %30, ptr %4, align 4, !tbaa !12
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = load i32, ptr %5, align 4, !tbaa !12
  %33 = add nsw i32 %32, 2
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds i64, ptr %31, i64 %34
  %36 = load i64, ptr %35, align 8, !tbaa !13
  %37 = call i32 @hamming(i64 noundef %36)
  %38 = load i32, ptr %4, align 4, !tbaa !12
  %39 = add nsw i32 %38, %37
  store i32 %39, ptr %4, align 4, !tbaa !12
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = load i32, ptr %5, align 4, !tbaa !12
  %42 = add nsw i32 %41, 3
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds i64, ptr %40, i64 %43
  %45 = load i64, ptr %44, align 8, !tbaa !13
  %46 = call i32 @hamming(i64 noundef %45)
  %47 = load i32, ptr %4, align 4, !tbaa !12
  %48 = add nsw i32 %47, %46
  store i32 %48, ptr %4, align 4, !tbaa !12
  br label %49

49:                                               ; preds = %13
  %50 = load i32, ptr %5, align 4, !tbaa !12
  %51 = add nsw i32 %50, 4
  store i32 %51, ptr %5, align 4, !tbaa !12
  br label %9, !llvm.loop !15

52:                                               ; preds = %12
  %53 = load i32, ptr %4, align 4, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret i32 %53
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @hamming(i64 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, !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"}


; 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: nounwind uwtable
define dso_local i32 @bitset_container_compute_cardinality(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  br label %5

4:                                                ; preds = %5
  ret i32 %24

5:                                                ; preds = %1, %5
  %indvars.iv = phi i64 [ 0, %1 ], [ %indvars.iv.next, %5 ]
  %.01516 = phi i32 [ 0, %1 ], [ %24, %5 ]
  %6 = getelementptr inbounds i64, ptr %3, i64 %indvars.iv
  %7 = load i64, ptr %6, align 8, !tbaa !11
  %8 = tail call i32 @hamming(i64 noundef %7)
  %9 = add nsw i32 %8, %.01516
  %10 = or disjoint i64 %indvars.iv, 1
  %11 = getelementptr inbounds i64, ptr %3, i64 %10
  %12 = load i64, ptr %11, align 8, !tbaa !11
  %13 = tail call i32 @hamming(i64 noundef %12)
  %14 = add nsw i32 %9, %13
  %15 = or disjoint i64 %indvars.iv, 2
  %16 = getelementptr inbounds i64, ptr %3, i64 %15
  %17 = load i64, ptr %16, align 8, !tbaa !11
  %18 = tail call i32 @hamming(i64 noundef %17)
  %19 = add nsw i32 %14, %18
  %20 = or disjoint i64 %indvars.iv, 3
  %21 = getelementptr inbounds i64, ptr %3, i64 %20
  %22 = load i64, ptr %21, align 8, !tbaa !11
  %23 = tail call i32 @hamming(i64 noundef %22)
  %24 = add nsw i32 %19, %23
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 4
  %25 = icmp ult i64 %indvars.iv, 1020
  br i1 %25, label %5, label %4, !llvm.loop !13
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @hamming(i64 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, !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 = !{!12, !12, i64 0}
!12 = !{!"long", !8, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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