; LLVM IR from siara-cc/Unishox_Arduino_lib :: src/unishox2.ll (Z24unishox2_compress_simplePKciPc)

; 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"

@_ZZ24unishox2_compress_simplePKciPcE13freq_seq_dflt = external hidden global [6 x ptr], align 16
@_ZZ24unishox2_compress_simplePKciPcE13template_dflt = external hidden global [5 x ptr], align 16

; 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: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z23unishox2_compress_linesPKciPcPKhS3_PS0_S4_P10us_lnk_lst(ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z24unishox2_compress_simplePKciPc(ptr noundef %0, i32 noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca [5 x i8], align 1
  %8 = alloca [5 x i8], align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 5, ptr %7) #2
  store i8 0, ptr %7, align 1, !tbaa !11
  %12 = getelementptr inbounds i8, ptr %7, i64 1
  store i8 64, ptr %12, align 1, !tbaa !11
  %13 = getelementptr inbounds i8, ptr %7, i64 2
  store i8 -128, ptr %13, align 1, !tbaa !11
  %14 = getelementptr inbounds i8, ptr %7, i64 3
  store i8 -64, ptr %14, align 1, !tbaa !11
  %15 = getelementptr inbounds i8, ptr %7, i64 4
  store i8 -32, ptr %15, align 1, !tbaa !11
  %16 = getelementptr inbounds [5 x i8], ptr %7, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 5, ptr %8) #2
  store i8 2, ptr %8, align 1, !tbaa !11
  %17 = getelementptr inbounds i8, ptr %8, i64 1
  store i8 2, ptr %17, align 1, !tbaa !11
  %18 = getelementptr inbounds i8, ptr %8, i64 2
  store i8 2, ptr %18, align 1, !tbaa !11
  %19 = getelementptr inbounds i8, ptr %8, i64 3
  store i8 3, ptr %19, align 1, !tbaa !11
  %20 = getelementptr inbounds i8, ptr %8, i64 4
  store i8 3, ptr %20, align 1, !tbaa !11
  %21 = getelementptr inbounds [5 x i8], ptr %8, i64 0, i64 0
  %22 = call noundef i32 @_Z23unishox2_compress_linesPKciPcPKhS3_PS0_S4_P10us_lnk_lst(ptr noundef %9, i32 noundef %10, ptr noundef %11, ptr noundef %16, ptr noundef %21, ptr noundef @_ZZ24unishox2_compress_simplePKciPcE13freq_seq_dflt, ptr noundef @_ZZ24unishox2_compress_simplePKciPcE13template_dflt, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 5, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 5, ptr %7) #2
  ret i32 %22
}

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 = { 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 = !{!7, !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"

@_ZZ24unishox2_compress_simplePKciPcE13freq_seq_dflt = external hidden global [6 x ptr], align 16
@_ZZ24unishox2_compress_simplePKciPcE13template_dflt = external hidden global [5 x ptr], align 16

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z23unishox2_compress_linesPKciPcPKhS3_PS0_S4_P10us_lnk_lst(ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z24unishox2_compress_simplePKciPc(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = alloca [5 x i8], align 4
  %5 = alloca [5 x i8], align 4
  call void @llvm.lifetime.start.p0(i64 5, ptr nonnull %4) #2
  store <4 x i8> <i8 0, i8 64, i8 -128, i8 -64>, ptr %4, align 4, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %4, i64 4
  store i8 -32, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 5, ptr nonnull %5) #2
  store <4 x i8> <i8 2, i8 2, i8 2, i8 3>, ptr %5, align 4, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %5, i64 4
  store i8 3, ptr %7, align 4, !tbaa !5
  %8 = call noundef i32 @_Z23unishox2_compress_linesPKciPcPKhS3_PS0_S4_P10us_lnk_lst(ptr noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef nonnull @_ZZ24unishox2_compress_simplePKciPcE13freq_seq_dflt, ptr noundef nonnull @_ZZ24unishox2_compress_simplePKciPcE13template_dflt, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 5, ptr nonnull %5) #2
  call void @llvm.lifetime.end.p0(i64 5, ptr nonnull %4) #2
  ret i32 %8
}

attributes #0 = { mustprogress 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SLPVectorizerPass,SROAPass