; LLVM IR from Aeternum-Veritas/Merry :: tests/hosttest (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"

@.str = external hidden unnamed_addr constant [35 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 100, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #7
  store i64 1048576, ptr %3, align 8, !tbaa !9
  %8 = call ptr @llvm.stacksave.p0()
  store ptr %8, ptr %4, align 8
  %9 = alloca ptr, i64 100, align 16
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %31, %0
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = icmp slt i32 %11, 100
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  store i32 2, ptr %6, align 4
  br label %34

14:                                               ; preds = %10
  %15 = call noalias ptr @malloc(i64 noundef 1048576) #8
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds ptr, ptr %9, i64 %17
  store ptr %15, ptr %18, align 8, !tbaa !11
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds ptr, ptr %9, i64 %20
  %22 = load ptr, ptr %21, align 8, !tbaa !11
  %23 = icmp eq ptr %22, null
  br i1 %23, label %24, label %27

24:                                               ; preds = %14
  %25 = load i32, ptr %5, align 4, !tbaa !5
  %26 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %25)
  store i32 2, ptr %6, align 4
  br label %34

27:                                               ; preds = %14
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %28)
  br label %30

30:                                               ; preds = %27
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %5, align 4, !tbaa !5
  br label %10, !llvm.loop !13

34:                                               ; preds = %24, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %35

35:                                               ; preds = %34
  %36 = call i32 @getchar()
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %53, %35
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = icmp slt i32 %38, 100
  br i1 %39, label %41, label %40

40:                                               ; preds = %37
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %56

41:                                               ; preds = %37
  %42 = load i32, ptr %7, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds ptr, ptr %9, i64 %43
  %45 = load ptr, ptr %44, align 8, !tbaa !11
  %46 = icmp ne ptr %45, null
  br i1 %46, label %47, label %52

47:                                               ; preds = %41
  %48 = load i32, ptr %7, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds ptr, ptr %9, i64 %49
  %51 = load ptr, ptr %50, align 8, !tbaa !11
  call void @free(ptr noundef %51) #7
  br label %52

52:                                               ; preds = %47, %41
  br label %53

53:                                               ; preds = %52
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %7, align 4, !tbaa !5
  br label %37, !llvm.loop !15

56:                                               ; preds = %40
  store i32 0, ptr %1, align 4
  store i32 1, ptr %6, align 4
  %57 = load ptr, ptr %4, align 8
  call void @llvm.stackrestore.p0(ptr %57)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %58 = load i32, ptr %1, align 4
  ret i32 %58
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

declare i32 @printf(ptr noundef, ...) #4

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

; Function Attrs: inlinehint nounwind uwtable
declare i32 @getchar() #5

; Function Attrs: nounwind
declare void @free(ptr noundef) #6

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 #4 = { "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 = { inlinehint 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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 [35 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [100 x ptr], align 16
  br label %2

2:                                                ; preds = %0, %9
  %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %9 ]
  %3 = tail call noalias dereferenceable_or_null(1048576) ptr @malloc(i64 noundef 1048576) #5
  %4 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv
  store ptr %3, ptr %4, align 8, !tbaa !5
  %5 = icmp eq ptr %3, null
  %6 = trunc nuw nsw i64 %indvars.iv to i32
  br i1 %5, label %7, label %9

7:                                                ; preds = %2
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %6)
  br label %.loopexit

9:                                                ; preds = %2
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %6)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 100
  br i1 %exitcond.not, label %.loopexit, label %2, !llvm.loop !9

.loopexit:                                        ; preds = %9, %7
  %11 = tail call i32 @getchar()
  br label %13

12:                                               ; preds = %17
  ret i32 0

13:                                               ; preds = %.loopexit, %17
  %indvars.iv18 = phi i64 [ 0, %.loopexit ], [ %indvars.iv.next19, %17 ]
  %14 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv18
  %15 = load ptr, ptr %14, align 8, !tbaa !5
  %.not = icmp eq ptr %15, null
  br i1 %.not, label %17, label %16

16:                                               ; preds = %13
  tail call void @free(ptr noundef nonnull %15) #6
  br label %17

17:                                               ; preds = %13, %16
  %indvars.iv.next19 = add nuw nsw i64 %indvars.iv18, 1
  %exitcond21.not = icmp eq i64 %indvars.iv.next19, 100
  br i1 %exitcond21.not, label %12, label %13, !llvm.loop !11
}

; 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: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: inlinehint nofree nounwind uwtable
declare noundef i32 @getchar() local_unnamed_addr #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

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 = { nofree 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 #3 = { inlinehint nofree 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 #4 = { 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 #5 = { nounwind allocsize(0) }
attributes #6 = { 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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass