; LLVM IR from tsotchke/quantum_rng :: tests (comprehensive_test)

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

@.str = external hidden unnamed_addr constant [24 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [29 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @test_init_free(ptr dead_on_unwind noalias writable sret(%struct.test_result_t) align 8 %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %5 = call i32 @qrng_init(ptr noundef %2, ptr noundef @.str, i64 noundef 23)
  store i32 %5, ptr %3, align 4, !tbaa !5
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = icmp ne i32 %6, 0
  br i1 %7, label %8, label %12

8:                                                ; preds = %1
  %9 = getelementptr inbounds %struct.test_result_t, ptr %0, i32 0, i32 0
  store ptr @.str.1, ptr %9, align 8, !tbaa !9
  %10 = getelementptr inbounds %struct.test_result_t, ptr %0, i32 0, i32 1
  store i32 0, ptr %10, align 8, !tbaa !12
  %11 = getelementptr inbounds %struct.test_result_t, ptr %0, i32 0, i32 2
  store ptr @.str.2, ptr %11, align 8, !tbaa !13
  store i32 1, ptr %4, align 4
  br label %17

12:                                               ; preds = %1
  %13 = load ptr, ptr %2, align 8, !tbaa !14
  call void @qrng_free(ptr noundef %13)
  %14 = getelementptr inbounds %struct.test_result_t, ptr %0, i32 0, i32 0
  store ptr @.str.1, ptr %14, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.test_result_t, ptr %0, i32 0, i32 1
  store i32 1, ptr %15, align 8, !tbaa !12
  %16 = getelementptr inbounds %struct.test_result_t, ptr %0, i32 0, i32 2
  store ptr @.str.3, ptr %16, align 8, !tbaa !13
  store i32 1, ptr %4, align 4
  br label %17

17:                                               ; preds = %12, %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  ret void
}

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

declare i32 @qrng_init(ptr noundef, ptr noundef, i64 noundef) #2

declare void @qrng_free(ptr noundef) #2

; 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 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"", !11, i64 0, !6, i64 8, !11, i64 16}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !11, i64 16}
!14 = !{!11, !11, i64 0}


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

@.str = external hidden unnamed_addr constant [24 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [29 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @test_init_free(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.test_result_t) align 8 %0) local_unnamed_addr #0 {
  %2 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %3 = call i32 @qrng_init(ptr noundef nonnull %2, ptr noundef nonnull @.str, i64 noundef 23) #3
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %4, label %6

4:                                                ; preds = %1
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  call void @qrng_free(ptr noundef %5) #3
  br label %6

6:                                                ; preds = %1, %4
  %.sink = phi i32 [ 1, %4 ], [ 0, %1 ]
  %.str.2.sink = phi ptr [ @.str.3, %4 ], [ @.str.2, %1 ]
  store ptr @.str.1, ptr %0, align 8
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 %.sink, ptr %7, align 8
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %.str.2.sink, ptr %8, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  ret void
}

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

declare i32 @qrng_init(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

declare void @qrng_free(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress 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 = { mustprogress 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 = { 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/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SROAPass