; LLVM IR from joltwallet/jolt_wallet :: jolt_os/syscore/encoding (encoding)

; 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: nounwind uwtable
define dso_local i32 @jolt_encoding_none_encode(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i64 %3, ptr %9, align 8, !tbaa !9
  %10 = load ptr, ptr %8, align 8, !tbaa !5
  %11 = icmp eq ptr null, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %4
  store i32 -1, ptr %5, align 4
  br label %28

13:                                               ; preds = %4
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = icmp eq ptr null, %14
  br i1 %15, label %20, label %16

16:                                               ; preds = %13
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = load i64, ptr %9, align 8, !tbaa !9
  %19 = icmp ult i64 %17, %18
  br i1 %19, label %20, label %21

20:                                               ; preds = %16, %13
  br label %25

21:                                               ; preds = %16
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = load i64, ptr %9, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %22, ptr align 1 %23, i64 %24, i1 false)
  br label %25

25:                                               ; preds = %21, %20
  %26 = load i64, ptr %9, align 8, !tbaa !9
  %27 = trunc i64 %26 to i32
  store i32 %27, ptr %5, align 4
  br label %28

28:                                               ; preds = %25, %12
  %29 = load i32, ptr %5, align 4
  ret i32 %29
}

; 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) #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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}


; 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: readwrite) uwtable
define dso_local noundef i32 @jolt_encoding_none_encode(ptr noundef writeonly %0, i64 noundef %1, ptr noundef readonly %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = icmp eq ptr %2, null
  br i1 %5, label %12, label %6

6:                                                ; preds = %4
  %7 = icmp eq ptr %0, null
  %8 = icmp ult i64 %1, %3
  %or.cond = or i1 %7, %8
  br i1 %or.cond, label %10, label %9

9:                                                ; preds = %6
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %0, ptr nonnull align 1 %2, i64 %3, i1 false)
  br label %10

10:                                               ; preds = %6, %9
  %11 = trunc i64 %3 to i32
  br label %12

12:                                               ; preds = %4, %10
  %.0 = phi i32 [ %11, %10 ], [ -1, %4 ]
  ret i32 %.0
}

; Function Attrs: mustprogress 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) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 nounwind willreturn memory(argmem: readwrite) }

!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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass