; LLVM IR from iyinoluwamt/Tensorframe :: main/ios/Pods/DoubleConversion/double-conversion (bignum)

; 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"

%"class.double_conversion::Bignum" = type { [128 x i32], %"class.double_conversion::Vector", i32, i32 }
%"class.double_conversion::Vector" = type <{ ptr, i32, [4 x i8] }>

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK17double_conversion6VectorIjEixEi(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN17double_conversion6Bignum4ZeroEv(ptr noundef nonnull align 8 dereferenceable(536) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %15, %1
  %6 = load i32, ptr %3, align 4, !tbaa !9
  %7 = getelementptr inbounds %"class.double_conversion::Bignum", ptr %4, i32 0, i32 2
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp slt i32 %6, %8
  br i1 %9, label %11, label %10

10:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %18

11:                                               ; preds = %5
  %12 = getelementptr inbounds %"class.double_conversion::Bignum", ptr %4, i32 0, i32 1
  %13 = load i32, ptr %3, align 4, !tbaa !9
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK17double_conversion6VectorIjEixEi(ptr noundef nonnull align 8 dereferenceable(12) %12, i32 noundef %13)
  store i32 0, ptr %14, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %11
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %3, align 4, !tbaa !9
  br label %5, !llvm.loop !14

18:                                               ; preds = %10
  %19 = getelementptr inbounds %"class.double_conversion::Bignum", ptr %4, i32 0, i32 2
  store i32 0, ptr %19, align 8, !tbaa !11
  %20 = getelementptr inbounds %"class.double_conversion::Bignum", ptr %4, i32 0, i32 3
  store i32 0, ptr %20, align 4, !tbaa !16
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 528}
!12 = !{!"_ZTSN17double_conversion6BignumE", !7, i64 0, !13, i64 512, !10, i64 528, !10, i64 532}
!13 = !{!"_ZTSN17double_conversion6VectorIjEE", !6, i64 0, !10, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!12, !10, i64 532}


; 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK17double_conversion6VectorIjEixEi(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN17double_conversion6Bignum4ZeroEv(ptr noundef nonnull align 8 dereferenceable(536) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 528
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %5 = getelementptr inbounds i8, ptr %0, i64 512
  br label %7

._crit_edge:                                      ; preds = %7, %1
  store i32 0, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 532
  store i32 0, ptr %6, align 4, !tbaa !12
  ret void

7:                                                ; preds = %.lr.ph, %7
  %.03 = phi i32 [ 0, %.lr.ph ], [ %9, %7 ]
  %8 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK17double_conversion6VectorIjEixEi(ptr noundef nonnull align 8 dereferenceable(12) %5, i32 noundef %.03)
  store i32 0, ptr %8, align 4, !tbaa !13
  %9 = add nuw nsw i32 %.03, 1
  %10 = load i32, ptr %2, align 8, !tbaa !5
  %11 = icmp slt i32 %9, %10
  br i1 %11, label %7, label %._crit_edge, !llvm.loop !14
}

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" }

!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, !11, i64 528}
!6 = !{!"_ZTSN17double_conversion6BignumE", !7, i64 0, !9, i64 512, !11, i64 528, !11, i64 532}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"_ZTSN17double_conversion6VectorIjEE", !10, i64 0, !11, i64 8}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!6, !11, i64 532}
!13 = !{!11, !11, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass