; LLVM IR from apache/kvrocks :: src/types/geohash.ll (Z17GeohashDecodeTypeRK11GeoHashBitsP11GeoHashArea)

; 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.GeoHashRange = type { double, double }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z20GeohashGetCoordRangeP12GeoHashRangeS0_(ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z13GeohashDecodeRK12GeoHashRangeS1_RK11GeoHashBitsP11GeoHashArea(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(9), ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17GeohashDecodeTypeRK11GeoHashBitsP11GeoHashArea(ptr noundef nonnull align 8 dereferenceable(9) %0, ptr noundef %1) #3 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [2 x %struct.GeoHashRange], align 16
  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 32, ptr %5) #4
  call void @llvm.memset.p0.i64(ptr align 16 %5, i8 0, i64 32, i1 false)
  %6 = getelementptr inbounds %struct.GeoHashRange, ptr %5, i32 0, i32 0
  %7 = getelementptr inbounds %struct.GeoHashRange, ptr %5, i32 0, i32 1
  store double 0.000000e+00, ptr %7, align 8, !tbaa !9
  %8 = getelementptr inbounds %struct.GeoHashRange, ptr %5, i64 1
  %9 = getelementptr inbounds %struct.GeoHashRange, ptr %5, i64 2
  br label %10

10:                                               ; preds = %10, %2
  %11 = phi ptr [ %8, %2 ], [ %14, %10 ]
  %12 = getelementptr inbounds %struct.GeoHashRange, ptr %11, i32 0, i32 0
  store double 0.000000e+00, ptr %12, align 16, !tbaa !12
  %13 = getelementptr inbounds %struct.GeoHashRange, ptr %11, i32 0, i32 1
  store double 0.000000e+00, ptr %13, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.GeoHashRange, ptr %11, i64 1
  %15 = icmp eq ptr %14, %9
  br i1 %15, label %16, label %10

16:                                               ; preds = %10
  %17 = getelementptr inbounds [2 x %struct.GeoHashRange], ptr %5, i64 0, i64 0
  %18 = getelementptr inbounds [2 x %struct.GeoHashRange], ptr %5, i64 0, i64 1
  call void @_Z20GeohashGetCoordRangeP12GeoHashRangeS0_(ptr noundef %17, ptr noundef %18)
  %19 = getelementptr inbounds [2 x %struct.GeoHashRange], ptr %5, i64 0, i64 0
  %20 = getelementptr inbounds [2 x %struct.GeoHashRange], ptr %5, i64 0, i64 1
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = call noundef i32 @_Z13GeohashDecodeRK12GeoHashRangeS1_RK11GeoHashBitsP11GeoHashArea(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(9) %21, ptr noundef %22)
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  ret i32 %23
}

attributes #0 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { mustprogress 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 #4 = { 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++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"_ZTS12GeoHashRange", !11, i64 0, !11, i64 8}
!11 = !{!"double", !7, i64 0}
!12 = !{!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"

%struct.GeoHashRange = type { double, double }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z20GeohashGetCoordRangeP12GeoHashRangeS0_(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z13GeohashDecodeRK12GeoHashRangeS1_RK11GeoHashBitsP11GeoHashArea(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(9), ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17GeohashDecodeTypeRK11GeoHashBitsP11GeoHashArea(ptr noundef nonnull align 8 dereferenceable(9) %0, ptr noundef %1) local_unnamed_addr #3 {
  %3 = alloca [2 x %struct.GeoHashRange], align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  %.ptr = getelementptr inbounds i8, ptr %3, i64 16
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %3, i8 0, i64 32, i1 false)
  call void @_Z20GeohashGetCoordRangeP12GeoHashRangeS0_(ptr noundef nonnull %3, ptr noundef nonnull %.ptr)
  %4 = call noundef i32 @_Z13GeohashDecodeRK12GeoHashRangeS1_RK11GeoHashBitsP11GeoHashArea(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %.ptr, ptr noundef nonnull align 8 dereferenceable(9) %0, ptr noundef %1)
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  ret i32 %4
}

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { mustprogress 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 #4 = { 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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,SROAPass