; LLVM IR from gem5/gem5 :: ext/systemc/src/sysc/datatypes/int/sc_signed.ll (ZN5sc_dtrmEmRKNS_9sc_signedE)

; 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.sc_dt::sc_signed" = type { %"class.sc_dt::sc_value_base", i32, i32, i32, ptr }
%"class.sc_dt::sc_value_base" = type { ptr }
%"class.sc_dt::sc_length_param" = type { i32 }

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5sc_dt9from_uintImEEviPjT_(i32 noundef, ptr noundef, i64 noundef) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt8get_signImEEiRT_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5sc_dt15sc_length_paramC2Ev(ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK5sc_dt15sc_length_param3lenEv(ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5sc_dt11div_by_zeroIiEEvT_(i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5sc_dt17mod_signed_friendEiiiPKjiiS1_(ptr dead_on_unwind noalias writable sret(%"class.sc_dt::sc_signed") align 8, i32 noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5sc_dtrmEmRKNS_9sc_signedE(ptr dead_on_unwind noalias writable sret(%"class.sc_dt::sc_signed") align 8 %0, i64 noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.sc_dt::sc_length_param", align 4
  %8 = alloca i32, align 4
  %9 = alloca [3 x i32], align 4
  store ptr %0, ptr %4, align 8
  store i64 %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  %10 = load i64, ptr %5, align 8, !tbaa !5
  %11 = icmp eq i64 %10, 0
  br i1 %11, label %17, label %12

12:                                               ; preds = %3
  %13 = load ptr, ptr %6, align 8, !tbaa !9
  %14 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %13, i32 0, i32 1
  %15 = load i32, ptr %14, align 8, !tbaa !11
  %16 = icmp eq i32 %15, 0
  br i1 %16, label %17, label %22

17:                                               ; preds = %12, %3
  %18 = load ptr, ptr %6, align 8, !tbaa !9
  %19 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %18, i32 0, i32 1
  %20 = load i32, ptr %19, align 8, !tbaa !11
  call void @_ZN5sc_dt11div_by_zeroIiEEvT_(i32 noundef %20)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @_ZN5sc_dt15sc_length_paramC2Ev(ptr noundef nonnull align 4 dereferenceable(4) %7)
  %21 = call noundef i32 @_ZNK5sc_dt15sc_length_param3lenEv(ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @_ZN5sc_dt9sc_signedC1Ei(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %21)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %37

22:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %23 = call noundef i32 @_ZN5sc_dt8get_signImEEiRT_(ptr noundef nonnull align 8 dereferenceable(8) %5)
  store i32 %23, ptr %8, align 4, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 12, ptr %9) #4
  %24 = getelementptr inbounds [3 x i32], ptr %9, i64 0, i64 0
  %25 = load i64, ptr %5, align 8, !tbaa !5
  call void @_ZN5sc_dt9from_uintImEEviPjT_(i32 noundef 3, ptr noundef %24, i64 noundef %25)
  %26 = load i32, ptr %8, align 4, !tbaa !15
  %27 = getelementptr inbounds [3 x i32], ptr %9, i64 0, i64 0
  %28 = load ptr, ptr %6, align 8, !tbaa !9
  %29 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %28, i32 0, i32 2
  %30 = load i32, ptr %29, align 4, !tbaa !16
  %31 = load ptr, ptr %6, align 8, !tbaa !9
  %32 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %31, i32 0, i32 3
  %33 = load i32, ptr %32, align 8, !tbaa !17
  %34 = load ptr, ptr %6, align 8, !tbaa !9
  %35 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %34, i32 0, i32 4
  %36 = load ptr, ptr %35, align 8, !tbaa !18
  call void @_ZN5sc_dt17mod_signed_friendEiiiPKjiiS1_(ptr dead_on_unwind writable sret(%"class.sc_dt::sc_signed") align 8 %0, i32 noundef %26, i32 noundef 64, i32 noundef 3, ptr noundef %27, i32 noundef %30, i32 noundef %33, ptr noundef %36)
  call void @llvm.lifetime.end.p0(i64 12, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %37

37:                                               ; preds = %22, %17
  ret void
}

declare void @_ZN5sc_dt9sc_signedC1Ei(ptr, i32)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { inlinehint 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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !14, i64 8}
!12 = !{!"_ZTSN5sc_dt9sc_signedE", !13, i64 0, !14, i64 8, !14, i64 12, !14, i64 16, !10, i64 24}
!13 = !{!"_ZTSN5sc_dt13sc_value_baseE"}
!14 = !{!"int", !7, i64 0}
!15 = !{!14, !14, i64 0}
!16 = !{!12, !14, i64 12}
!17 = !{!12, !14, i64 16}
!18 = !{!12, !10, i64 24}


; 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"

%"class.sc_dt::sc_signed" = type { %"class.sc_dt::sc_value_base", i32, i32, i32, ptr }
%"class.sc_dt::sc_value_base" = type { ptr }
%"class.sc_dt::sc_length_param" = type { i32 }

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5sc_dt9from_uintImEEviPjT_(i32 noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt8get_signImEEiRT_(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5sc_dt15sc_length_paramC2Ev(ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK5sc_dt15sc_length_param3lenEv(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5sc_dt11div_by_zeroIiEEvT_(i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5sc_dt17mod_signed_friendEiiiPKjiiS1_(ptr dead_on_unwind noalias writable sret(%"class.sc_dt::sc_signed") align 8, i32 noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5sc_dtrmEmRKNS_9sc_signedE(ptr dead_on_unwind noalias writable sret(%"class.sc_dt::sc_signed") align 8 %0, i64 noundef %1, ptr nocapture noundef nonnull readonly align 8 dereferenceable(32) %2) local_unnamed_addr #3 {
  %4 = alloca i64, align 8
  %5 = alloca %"class.sc_dt::sc_length_param", align 4
  %6 = alloca [3 x i32], align 4
  store i64 %1, ptr %4, align 8, !tbaa !5
  %7 = icmp eq i64 %1, 0
  %8 = getelementptr inbounds i8, ptr %2, i64 8
  %9 = load i32, ptr %8, align 8
  %10 = icmp eq i32 %9, 0
  %or.cond = select i1 %7, i1 true, i1 %10
  br i1 %or.cond, label %11, label %13

11:                                               ; preds = %3
  tail call void @_ZN5sc_dt11div_by_zeroIiEEvT_(i32 noundef %9)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  call void @_ZN5sc_dt15sc_length_paramC2Ev(ptr noundef nonnull align 4 dereferenceable(4) %5)
  %12 = call noundef i32 @_ZNK5sc_dt15sc_length_param3lenEv(ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @_ZN5sc_dt9sc_signedC1Ei(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %12)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  br label %22

13:                                               ; preds = %3
  %14 = call noundef i32 @_ZN5sc_dt8get_signImEEiRT_(ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #4
  %15 = load i64, ptr %4, align 8, !tbaa !5
  call void @_ZN5sc_dt9from_uintImEEviPjT_(i32 noundef 3, ptr noundef nonnull %6, i64 noundef %15)
  %16 = getelementptr inbounds i8, ptr %2, i64 12
  %17 = load i32, ptr %16, align 4, !tbaa !9
  %18 = getelementptr inbounds i8, ptr %2, i64 16
  %19 = load i32, ptr %18, align 8, !tbaa !14
  %20 = getelementptr inbounds i8, ptr %2, i64 24
  %21 = load ptr, ptr %20, align 8, !tbaa !15
  call void @_ZN5sc_dt17mod_signed_friendEiiiPKjiiS1_(ptr dead_on_unwind writable sret(%"class.sc_dt::sc_signed") align 8 %0, i32 noundef %14, i32 noundef 64, i32 noundef 3, ptr noundef nonnull %6, i32 noundef %17, i32 noundef %19, ptr noundef %21)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #4
  br label %22

22:                                               ; preds = %13, %11
  ret void
}

declare void @_ZN5sc_dt9sc_signedC1Ei(ptr, i32) local_unnamed_addr

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { inlinehint 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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !12, i64 12}
!10 = !{!"_ZTSN5sc_dt9sc_signedE", !11, i64 0, !12, i64 8, !12, i64 12, !12, i64 16, !13, i64 24}
!11 = !{!"_ZTSN5sc_dt13sc_value_baseE"}
!12 = !{!"int", !7, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!10, !12, i64 16}
!15 = !{!10, !13, i64 24}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass