; LLVM IR from gem5/gem5 :: ext/systemc/src/sysc/datatypes/int (sc_int_base)

; 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_int_base" = type { %"class.sc_dt::sc_value_base", i64, i32, i32 }
%"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 nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK5sc_dt11sc_int_base15concat_get_ctrlEPji(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %11 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = sdiv i32 %12, 30
  store i32 %13, ptr %7, align 4, !tbaa !9
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = srem i32 %14, 30
  store i32 %15, ptr %9, align 4, !tbaa !9
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = getelementptr inbounds %"class.sc_dt::sc_int_base", ptr %11, i32 0, i32 2
  %18 = load i32, ptr %17, align 8, !tbaa !11
  %19 = sub nsw i32 %18, 1
  %20 = add nsw i32 %16, %19
  %21 = sdiv i32 %20, 30
  store i32 %21, ptr %8, align 4, !tbaa !9
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = shl i32 -1, %22
  %24 = xor i32 %23, -1
  %25 = sext i32 %24 to i64
  store i64 %25, ptr %10, align 8, !tbaa !15
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load i32, ptr %7, 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 = load i64, ptr %10, align 8, !tbaa !15
  %33 = and i64 %31, %32
  %34 = trunc i64 %33 to i32
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds i32, ptr %35, i64 %37
  store i32 %34, ptr %38, align 4, !tbaa !9
  %39 = load i32, ptr %7, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %7, align 4, !tbaa !9
  br label %41

41:                                               ; preds = %50, %3
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = load i32, ptr %8, align 4, !tbaa !9
  %44 = icmp sle i32 %42, %43
  br i1 %44, label %45, label %53

45:                                               ; preds = %41
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = load i32, ptr %7, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds i32, ptr %46, i64 %48
  store i32 0, ptr %49, align 4, !tbaa !9
  br label %50

50:                                               ; preds = %45
  %51 = load i32, ptr %7, align 4, !tbaa !9
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %7, align 4, !tbaa !9
  br label %41, !llvm.loop !16

53:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  ret i1 false
}

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 = !{!12, !10, i64 16}
!12 = !{!"_ZTSN5sc_dt11sc_int_baseE", !13, i64 0, !14, i64 8, !10, i64 16, !10, i64 20}
!13 = !{!"_ZTSN5sc_dt13sc_value_baseE"}
!14 = !{!"long long", !7, i64 0}
!15 = !{!14, !14, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; 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 zeroext i1 @_ZNK5sc_dt11sc_int_base15concat_get_ctrlEPji(ptr nocapture noundef nonnull readonly align 8 dereferenceable(24) %0, ptr nocapture noundef %1, i32 noundef %2) unnamed_addr #0 align 2 {
  %4 = sdiv i32 %2, 30
  %5 = srem i32 %2, 30
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load i32, ptr %6, align 8, !tbaa !5
  %8 = add i32 %2, -1
  %9 = add i32 %8, %7
  %10 = sdiv i32 %9, 30
  %11 = shl nsw i32 -1, %5
  %12 = xor i32 %11, -1
  %13 = sext i32 %4 to i64
  %14 = getelementptr inbounds i32, ptr %1, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !12
  %16 = and i32 %15, %12
  store i32 %16, ptr %14, align 4, !tbaa !12
  %.not.not15 = icmp slt i32 %4, %10
  br i1 %.not.not15, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %17 = shl nsw i64 %13, 2
  %18 = getelementptr i8, ptr %1, i64 %17
  %scevgep = getelementptr i8, ptr %18, i64 4
  %19 = xor i32 %4, -1
  %20 = add nsw i32 %10, %19
  %21 = zext i32 %20 to i64
  %22 = shl nuw nsw i64 %21, 2
  %23 = add nuw nsw i64 %22, 4
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(1) %scevgep, i8 0, i64 %23, i1 false), !tbaa !12
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph.preheader, %3
  ret i1 false
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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 16}
!6 = !{!"_ZTSN5sc_dt11sc_int_baseE", !7, i64 0, !8, i64 8, !11, i64 16, !11, i64 20}
!7 = !{!"_ZTSN5sc_dt13sc_value_baseE"}
!8 = !{!"long long", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!11, !11, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopIdiomRecognizePass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass