; LLVM IR from tsotchke/quantum_rng :: examples/games (quantum_dice)

; 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.quantum_dice_t = type { ptr, i32, ptr }

; Function Attrs: nounwind uwtable
define dso_local ptr @quantum_dice_create(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %10, label %14

10:                                               ; preds = %2
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = call i32 @validate_sides(i32 noundef %11)
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %15, label %14

14:                                               ; preds = %10, %2
  store ptr null, ptr %3, align 8
  br label %39

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %16 = call noalias ptr @malloc(i64 noundef 24) #5
  store ptr %16, ptr %6, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %38

20:                                               ; preds = %15
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.quantum_dice_t, ptr %22, i32 0, i32 0
  store ptr %21, ptr %23, align 8, !tbaa !11
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.quantum_dice_t, ptr %25, i32 0, i32 1
  store i32 %24, ptr %26, align 8, !tbaa !13
  %27 = call noalias ptr @malloc(i64 noundef 8000) #5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.quantum_dice_t, ptr %28, i32 0, i32 2
  store ptr %27, ptr %29, align 8, !tbaa !14
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.quantum_dice_t, ptr %30, i32 0, i32 2
  %32 = load ptr, ptr %31, align 8, !tbaa !14
  %33 = icmp ne ptr %32, null
  br i1 %33, label %36, label %34

34:                                               ; preds = %20
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %35) #4
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %38

36:                                               ; preds = %20
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %37, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %38

38:                                               ; preds = %36, %34, %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %39

39:                                               ; preds = %38, %14
  %40 = load ptr, ptr %3, align 8
  ret ptr %40
}

; Function Attrs: nounwind uwtable
declare hidden i32 @validate_sides(i32 noundef) #0

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 "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 }
attributes #5 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"quantum_dice_t", !6, i64 0, !10, i64 8, !6, i64 16}
!13 = !{!12, !10, i64 8}
!14 = !{!12, !6, i64 16}


; 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: nounwind uwtable
define dso_local noalias noundef ptr @quantum_dice_create(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %12, label %3

3:                                                ; preds = %2
  %4 = tail call i32 @validate_sides(i32 noundef %1)
  %.not13 = icmp eq i32 %4, 0
  br i1 %.not13, label %12, label %5

5:                                                ; preds = %3
  %6 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #3
  %.not14 = icmp eq ptr %6, null
  br i1 %.not14, label %12, label %7

7:                                                ; preds = %5
  store ptr %0, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %6, i64 8
  store i32 %1, ptr %8, align 8, !tbaa !11
  %9 = tail call noalias dereferenceable_or_null(8000) ptr @malloc(i64 noundef 8000) #3
  %10 = getelementptr inbounds i8, ptr %6, i64 16
  store ptr %9, ptr %10, align 8, !tbaa !12
  %.not15 = icmp eq ptr %9, null
  br i1 %.not15, label %11, label %12

11:                                               ; preds = %7
  tail call void @free(ptr noundef nonnull %6) #4
  br label %12

12:                                               ; preds = %11, %5, %7, %2, %3
  %.1 = phi ptr [ null, %3 ], [ null, %2 ], [ null, %11 ], [ null, %5 ], [ %6, %7 ]
  ret ptr %.1
}

; Function Attrs: nounwind uwtable
declare hidden i32 @validate_sides(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0) }
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, !7, i64 0}
!6 = !{!"quantum_dice_t", !7, i64 0, !10, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !7, i64 16}


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