; LLVM IR from pingcap/tidb-bench :: ssb/dbgen (bcd2)

; 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 i32 @bcd2_bin(ptr noundef %0, i64 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i32 6, ptr %5, align 4, !tbaa !11
  store i64 251658240, ptr %6, align 8, !tbaa !9
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %11, %2
  %9 = load i64, ptr %6, align 8, !tbaa !9
  %10 = icmp ne i64 %9, 0
  br i1 %10, label %11, label %29

11:                                               ; preds = %8
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = load i64, ptr %12, align 8, !tbaa !9
  %14 = mul nsw i64 %13, 10
  store i64 %14, ptr %12, align 8, !tbaa !9
  %15 = load i64, ptr %4, align 8, !tbaa !9
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = and i64 %15, %16
  %18 = load i32, ptr %5, align 4, !tbaa !11
  %19 = mul nsw i32 4, %18
  %20 = zext i32 %19 to i64
  %21 = ashr i64 %17, %20
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %22, align 8, !tbaa !9
  %24 = add nsw i64 %23, %21
  store i64 %24, ptr %22, align 8, !tbaa !9
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = ashr i64 %25, 4
  store i64 %26, ptr %6, align 8, !tbaa !9
  %27 = load i32, ptr %5, align 4, !tbaa !11
  %28 = sub nsw i32 %27, 1
  store i32 %28, ptr %5, align 4, !tbaa !11
  br label %8, !llvm.loop !13

29:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 0
}

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"}


; 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: write) uwtable
define dso_local noundef i32 @bcd2_bin(ptr nocapture noundef writeonly %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = lshr i64 %1, 24
  %4 = and i64 %3, 15
  %5 = mul nuw nsw i64 %4, 10
  %6 = lshr i64 %1, 20
  %7 = and i64 %6, 15
  %8 = add nuw nsw i64 %5, %7
  %9 = mul nuw nsw i64 %8, 10
  %10 = lshr i64 %1, 16
  %11 = and i64 %10, 15
  %12 = add nuw nsw i64 %9, %11
  %13 = mul nuw nsw i64 %12, 10
  %14 = lshr i64 %1, 12
  %15 = and i64 %14, 15
  %16 = add nuw nsw i64 %13, %15
  %17 = mul nuw nsw i64 %16, 10
  %18 = lshr i64 %1, 8
  %19 = and i64 %18, 15
  %20 = add nuw nsw i64 %17, %19
  %21 = mul nuw nsw i64 %20, 10
  %22 = lshr i64 %1, 4
  %23 = and i64 %22, 15
  %24 = add nuw nsw i64 %21, %23
  %25 = mul nuw nsw i64 %24, 10
  %26 = and i64 %1, 15
  %27 = add nuw nsw i64 %25, %26
  store i64 %27, ptr %0, align 8, !tbaa !5
  ret i32 0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass