; LLVM IR from aap/librw :: src/userdata.ll (ZN2rw13UserDataArray9setStringEiPKc)

; 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"

%"struct.rw::MemoryFunctions" = type { ptr, ptr, ptr, ptr, ptr }
%"struct.rw::UserDataArray" = type { ptr, i32, i32, ptr }

@_ZN2rw6Engine8memfuncsE = external global %"struct.rw::MemoryFunctions", align 8
@.str = external hidden unnamed_addr constant [75 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2rw13UserDataArray9setStringEiPKc(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, ptr noundef %2) #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %10 = getelementptr inbounds %"struct.rw::UserDataArray", ptr %9, i32 0, i32 3
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds ptr, ptr %11, i64 %13
  store ptr %14, ptr %8, align 8, !tbaa !5
  %15 = load ptr, ptr getelementptr inbounds (%"struct.rw::MemoryFunctions", ptr @_ZN2rw6Engine8memfuncsE, i32 0, i32 2), align 8, !tbaa !13
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  call void %15(ptr noundef %17)
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = call i64 @strlen(ptr noundef %18) #6
  %20 = trunc i64 %19 to i32
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %7, align 4, !tbaa !9
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = call noundef ptr @_ZN2rw10malloc_LOCEmjPKc(i64 noundef %23, i32 noundef 196895, ptr noundef @.str)
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %24, ptr %25, align 8, !tbaa !5
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %36

29:                                               ; preds = %3
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load ptr, ptr %30, align 8, !tbaa !5
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = call ptr @strncpy(ptr noundef %31, ptr noundef %32, i64 noundef %34) #5
  br label %36

36:                                               ; preds = %29, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZN2rw10malloc_LOCEmjPKc(i64 noundef, i32 noundef, ptr noundef) #3

; Function Attrs: nounwind
declare ptr @strncpy(ptr noundef, ptr noundef, i64 noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind willreturn memory(read) "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 = { 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 #4 = { nounwind "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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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 16}
!12 = !{!"_ZTSN2rw13UserDataArrayE", !6, i64 0, !10, i64 8, !10, i64 12, !6, i64 16}
!13 = !{!14, !6, i64 16}
!14 = !{!"_ZTSN2rw15MemoryFunctionsE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}


; 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"

%"struct.rw::MemoryFunctions" = type { ptr, ptr, ptr, ptr, ptr }

@_ZN2rw6Engine8memfuncsE = external local_unnamed_addr global %"struct.rw::MemoryFunctions", align 8
@.str = external hidden unnamed_addr constant [75 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2rw13UserDataArray9setStringEiPKc(ptr nocapture noundef nonnull readonly align 8 dereferenceable(24) %0, i32 noundef %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = sext i32 %1 to i64
  %7 = getelementptr inbounds ptr, ptr %5, i64 %6
  %8 = load ptr, ptr getelementptr inbounds (i8, ptr @_ZN2rw6Engine8memfuncsE, i64 16), align 8, !tbaa !11
  %9 = load ptr, ptr %7, align 8, !tbaa !13
  tail call void %8(ptr noundef %9)
  %10 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %2) #4
  %11 = shl i64 %10, 32
  %sext = add i64 %11, 4294967296
  %12 = ashr exact i64 %sext, 32
  %13 = tail call noundef ptr @_ZN2rw10malloc_LOCEmjPKc(i64 noundef %12, i32 noundef 196895, ptr noundef nonnull @.str)
  store ptr %13, ptr %7, align 8, !tbaa !13
  %.not = icmp eq ptr %13, null
  br i1 %.not, label %16, label %14

14:                                               ; preds = %3
  %15 = tail call ptr @strncpy(ptr noundef nonnull %13, ptr noundef %2, i64 noundef %12) #5
  br label %16

16:                                               ; preds = %14, %3
  ret void
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZN2rw10malloc_LOCEmjPKc(i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite)
declare ptr @strncpy(ptr noalias noundef returned writeonly, ptr noalias nocapture noundef readonly, i64 noundef) local_unnamed_addr #3

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 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 nofree nounwind willreturn memory(argmem: readwrite) "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 willreturn memory(read) }
attributes #5 = { 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, !7, i64 16}
!6 = !{!"_ZTSN2rw13UserDataArrayE", !7, i64 0, !10, i64 8, !10, i64 12, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!12, !7, i64 16}
!12 = !{!"_ZTSN2rw15MemoryFunctionsE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32}
!13 = !{!7, !7, i64 0}


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