; LLVM IR from zchrissirhcz/pixel :: legacy/NaiveCNN/cnn (blob)

; 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.px_size_t = type { i32, i32 }

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

; Function Attrs: nounwind uwtable
define dso_local ptr @create_blob2d(i64 %0) #1 {
  %2 = alloca %struct.px_size_t, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store i64 %0, ptr %2, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %5 = getelementptr inbounds %struct.px_size_t, ptr %2, i32 0, i32 1
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = sext i32 %6 to i64
  %8 = mul i64 %7, 8
  %9 = call noalias ptr @malloc(i64 noundef %8) #4
  store ptr %9, ptr %3, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !12
  br label %10

10:                                               ; preds = %26, %1
  %11 = load i32, ptr %4, align 4, !tbaa !12
  %12 = getelementptr inbounds %struct.px_size_t, ptr %2, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = icmp slt i32 %11, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %29

16:                                               ; preds = %10
  %17 = getelementptr inbounds %struct.px_size_t, ptr %2, i32 0, i32 0
  %18 = load i32, ptr %17, align 4, !tbaa !13
  %19 = sext i32 %18 to i64
  %20 = mul i64 %19, 4
  %21 = call noalias ptr @malloc(i64 noundef %20) #4
  %22 = load ptr, ptr %3, align 8, !tbaa !10
  %23 = load i32, ptr %4, align 4, !tbaa !12
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds ptr, ptr %22, i64 %24
  store ptr %21, ptr %25, align 8, !tbaa !10
  br label %26

26:                                               ; preds = %16
  %27 = load i32, ptr %4, align 4, !tbaa !12
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %4, align 4, !tbaa !12
  br label %10, !llvm.loop !14

29:                                               ; preds = %15
  %30 = load ptr, ptr %3, align 8, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret ptr %30
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind }
attributes #4 = { 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, !7, i64 4}
!6 = !{!"px_size_t", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!7, !7, i64 0}
!13 = !{!6, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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

; Function Attrs: nofree nounwind memory(write, argmem: none, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @create_blob2d(i64 %0) local_unnamed_addr #1 {
  %.sroa.2.0.extract.shift = lshr i64 %0, 32
  %.sroa.2.0.extract.trunc = trunc nuw i64 %.sroa.2.0.extract.shift to i32
  %2 = ashr i64 %0, 29
  %3 = and i64 %2, -8
  %4 = tail call noalias ptr @malloc(i64 noundef %3) #2
  %5 = icmp sgt i32 %.sroa.2.0.extract.trunc, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1
  %sext = shl i64 %0, 32
  %6 = ashr exact i64 %sext, 30
  br label %7

._crit_edge:                                      ; preds = %7, %1
  ret ptr %4

7:                                                ; preds = %.lr.ph, %7
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %7 ]
  %8 = tail call noalias ptr @malloc(i64 noundef %6) #2
  %9 = getelementptr inbounds ptr, ptr %4, i64 %indvars.iv
  store ptr %8, ptr %9, align 8, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %.sroa.2.0.extract.shift
  br i1 %exitcond.not, label %._crit_edge, label %7, !llvm.loop !9
}

attributes #0 = { 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 #1 = { nofree nounwind memory(write, argmem: none, inaccessiblemem: readwrite) 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 #2 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass