; LLVM IR from yinqiwen/ardb :: src/common/geo (geohash)

; 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.GeoHashBits = type { i64, i8 }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local { i64, i8 } @geohash_next_lefttop(i64 %0, i8 %1) #1 {
  %3 = alloca %struct.GeoHashBits, align 8
  %4 = alloca %struct.GeoHashBits, align 8
  %5 = getelementptr inbounds { i64, i8 }, ptr %4, i32 0, i32 0
  store i64 %0, ptr %5, align 8
  %6 = getelementptr inbounds { i64, i8 }, ptr %4, i32 0, i32 1
  store i8 %1, ptr %6, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %3, ptr align 8 %4, i64 16, i1 false), !tbaa.struct !5
  %7 = getelementptr inbounds %struct.GeoHashBits, ptr %3, i32 0, i32 1
  %8 = load i8, ptr %7, align 8, !tbaa !11
  %9 = add i8 %8, 1
  store i8 %9, ptr %7, align 8, !tbaa !11
  %10 = getelementptr inbounds %struct.GeoHashBits, ptr %3, i32 0, i32 0
  %11 = load i64, ptr %10, align 8, !tbaa !13
  %12 = shl i64 %11, 2
  store i64 %12, ptr %10, align 8, !tbaa !13
  %13 = getelementptr inbounds %struct.GeoHashBits, ptr %3, i32 0, i32 0
  %14 = load i64, ptr %13, align 8, !tbaa !13
  %15 = add i64 %14, 1
  store i64 %15, ptr %13, align 8, !tbaa !13
  %16 = load { i64, i8 }, ptr %3, align 8
  ret { i64, i8 } %16
}

attributes #0 = { nocallback nofree 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" }

!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 = !{i64 0, i64 8, !6, i64 8, i64 1, !10}
!6 = !{!7, !7, i64 0}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!8, !8, i64 0}
!11 = !{!12, !8, i64 8}
!12 = !{!"", !7, i64 0, !8, i64 8}
!13 = !{!12, !7, 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: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local { i64, i8 } @geohash_next_lefttop(i64 %0, i8 %1) local_unnamed_addr #0 {
  %3 = add i8 %1, 1
  %4 = shl i64 %0, 2
  %5 = or disjoint i64 %4, 1
  %.fca.0.insert = insertvalue { i64, i8 } poison, i64 %5, 0
  %.fca.1.insert = insertvalue { i64, i8 } %.fca.0.insert, i8 %3, 1
  ret { i64, i8 } %.fca.1.insert
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass