; LLVM IR from gem5/gem5 :: ext/systemc/src/sysc/datatypes/int/sc_signed.ll (ZN5sc_dt9sc_signed3setEi)

; 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 }

; 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 uwtable
declare dso_local void @_ZN5sc_dt9sc_signed16convert_2C_to_SMEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt13one_and_zerosEi(i32 noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt7bit_ordEi(i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5sc_dt9sc_signed16convert_SM_to_2CEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK5sc_dt9sc_signed16check_if_outsideEi(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt9digit_ordEi(i32 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5sc_dt9sc_signed3setEi(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = call noundef zeroext i1 @_ZNK5sc_dt9sc_signed16check_if_outsideEi(ptr noundef nonnull align 8 dereferenceable(32) %7, i32 noundef %8)
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  br label %34

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = call noundef i32 @_ZN5sc_dt7bit_ordEi(i32 noundef %12)
  store i32 %13, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = call noundef i32 @_ZN5sc_dt9digit_ordEi(i32 noundef %14)
  store i32 %15, ptr %6, align 4, !tbaa !9
  call void @_ZN5sc_dt9sc_signed16convert_SM_to_2CEv(ptr noundef nonnull align 8 dereferenceable(32) %7)
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = call noundef i32 @_ZN5sc_dt13one_and_zerosEi(i32 noundef %16)
  %18 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %7, i32 0, i32 4
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds i32, ptr %19, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = or i32 %23, %17
  store i32 %24, ptr %22, align 4, !tbaa !9
  %25 = getelementptr inbounds %"class.sc_dt::sc_signed", ptr %7, i32 0, i32 4
  %26 = load ptr, ptr %25, align 8, !tbaa !11
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds i32, ptr %26, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !9
  %31 = zext i32 %30 to i64
  %32 = and i64 %31, 1073741823
  %33 = trunc i64 %32 to i32
  store i32 %33, ptr %29, align 4, !tbaa !9
  call void @_ZN5sc_dt9sc_signed16convert_2C_to_SMEv(ptr noundef nonnull align 8 dereferenceable(32) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %34

34:                                               ; preds = %11, %10
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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, !6, i64 24}
!12 = !{!"_ZTSN5sc_dt9sc_signedE", !13, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !6, i64 24}
!13 = !{!"_ZTSN5sc_dt13sc_value_baseE"}


; 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 uwtable
declare dso_local void @_ZN5sc_dt9sc_signed16convert_2C_to_SMEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt13one_and_zerosEi(i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt7bit_ordEi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5sc_dt9sc_signed16convert_SM_to_2CEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK5sc_dt9sc_signed16check_if_outsideEi(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN5sc_dt9digit_ordEi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5sc_dt9sc_signed3setEi(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef zeroext i1 @_ZNK5sc_dt9sc_signed16check_if_outsideEi(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1)
  br i1 %3, label %15, label %4

4:                                                ; preds = %2
  %5 = tail call noundef i32 @_ZN5sc_dt7bit_ordEi(i32 noundef %1)
  %6 = tail call noundef i32 @_ZN5sc_dt9digit_ordEi(i32 noundef %1)
  tail call void @_ZN5sc_dt9sc_signed16convert_SM_to_2CEv(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %7 = tail call noundef i32 @_ZN5sc_dt13one_and_zerosEi(i32 noundef %5)
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = sext i32 %6 to i64
  %11 = getelementptr inbounds i32, ptr %9, i64 %10
  %12 = load i32, ptr %11, align 4, !tbaa !12
  %13 = or i32 %12, %7
  %14 = and i32 %13, 1073741823
  store i32 %14, ptr %11, align 4, !tbaa !12
  tail call void @_ZN5sc_dt9sc_signed16convert_2C_to_SMEv(ptr noundef nonnull align 8 dereferenceable(32) %0)
  br label %15

15:                                               ; preds = %2, %4
  ret void
}

attributes #0 = { 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 #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" }

!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 24}
!6 = !{!"_ZTSN5sc_dt9sc_signedE", !7, i64 0, !8, i64 8, !8, i64 12, !8, i64 16, !11, i64 24}
!7 = !{!"_ZTSN5sc_dt13sc_value_baseE"}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"any pointer", !9, i64 0}
!12 = !{!8, !8, i64 0}


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