; LLVM IR from specinfo-ua/UAPKI :: library/uapkic/src (word-internal)

; 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.WordArray_st = type { ptr, i64 }

@.str = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @wa_alloc(i64 noundef) #0

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

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @wa_free(ptr noundef) #0

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local ptr @wa_alloc_with_zero(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store ptr null, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !11
  br label %5

5:                                                ; preds = %1
  %6 = load i64, ptr %2, align 8, !tbaa !5
  %7 = icmp ne i64 %6, 0
  br i1 %7, label %10, label %8

8:                                                ; preds = %5
  store i32 2, ptr %4, align 4, !tbaa !11
  %9 = load i32, ptr %4, align 4, !tbaa !11
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 69, i32 noundef %9, ptr noundef null)
  br label %27

10:                                               ; preds = %5
  br label %11

11:                                               ; preds = %10
  br label %12

12:                                               ; preds = %11
  br label %13

13:                                               ; preds = %12
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = call ptr @wa_alloc(i64 noundef %14)
  store ptr %15, ptr %3, align 8, !tbaa !9
  %16 = icmp eq ptr null, %15
  br i1 %16, label %17, label %19

17:                                               ; preds = %13
  store i32 2, ptr %4, align 4, !tbaa !11
  %18 = load i32, ptr %4, align 4, !tbaa !11
  call void @stacktrace_add(ptr noundef @.str, i64 noundef 70, i32 noundef %18)
  br label %27

19:                                               ; preds = %13
  br label %20

20:                                               ; preds = %19
  br label %21

21:                                               ; preds = %20
  %22 = load ptr, ptr %3, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.WordArray_st, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = load i64, ptr %2, align 8, !tbaa !5
  %26 = mul i64 %25, 8
  call void @llvm.memset.p0.i64(ptr align 8 %24, i8 0, i64 %26, i1 false)
  br label %27

27:                                               ; preds = %21, %17, %8
  %28 = load i32, ptr %4, align 4, !tbaa !11
  %29 = icmp ne i32 %28, 0
  br i1 %29, label %30, label %32

30:                                               ; preds = %27
  %31 = load ptr, ptr %3, align 8, !tbaa !9
  call void @wa_free(ptr noundef %31)
  store ptr null, ptr %3, align 8, !tbaa !9
  br label %32

32:                                               ; preds = %30, %27
  %33 = load ptr, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %33
}

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"WordArray_st", !10, i64 0, !6, i64 8}


; 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"

@.str = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @wa_alloc(i64 noundef) local_unnamed_addr #0

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @wa_free(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @wa_alloc_with_zero(i64 noundef %0) local_unnamed_addr #0 {
  %.not = icmp eq i64 %0, 0
  br i1 %.not, label %2, label %3

2:                                                ; preds = %1
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 69, i32 noundef 2, ptr noundef null) #3
  br label %10

3:                                                ; preds = %1
  %4 = tail call ptr @wa_alloc(i64 noundef %0)
  %5 = icmp eq ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %3
  tail call void @stacktrace_add(ptr noundef nonnull @.str, i64 noundef 70, i32 noundef 2) #3
  br label %10

7:                                                ; preds = %3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = shl i64 %0, 3
  tail call void @llvm.memset.p0.i64(ptr align 8 %8, i8 0, i64 %9, i1 false)
  br label %11

10:                                               ; preds = %6, %2
  tail call void @wa_free(ptr noundef null)
  br label %11

11:                                               ; preds = %7, %10
  %.1 = phi ptr [ null, %10 ], [ %4, %7 ]
  ret ptr %.1
}

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #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 = { "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 nocallback nofree nounwind willreturn memory(argmem: write) }
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, !7, i64 0}
!6 = !{!"WordArray_st", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}


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