; LLVM IR from KhawajaAbaid/machine-learning-in-c :: datasets (one_hot)

; 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"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @one_hot(ptr noundef %0, i64 noundef %1, i64 noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = load i64, ptr %5, align 8, !tbaa !9
  %12 = mul i64 %10, %11
  %13 = call noalias ptr @calloc(i64 noundef %12, i64 noundef 8) #4
  store ptr %13, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %9, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %32, %3
  %15 = load i64, ptr %9, align 8, !tbaa !9
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = icmp ult i64 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  br label %35

19:                                               ; preds = %14
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load i64, ptr %9, align 8, !tbaa !9
  %22 = getelementptr inbounds i8, ptr %20, i64 %21
  %23 = load i8, ptr %22, align 1, !tbaa !11
  %24 = zext i8 %23 to i64
  store i64 %24, ptr %8, align 8, !tbaa !9
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = load i64, ptr %9, align 8, !tbaa !9
  %27 = load i64, ptr %5, align 8, !tbaa !9
  %28 = mul i64 %26, %27
  %29 = load i64, ptr %8, align 8, !tbaa !9
  %30 = add i64 %28, %29
  %31 = getelementptr inbounds double, ptr %25, i64 %30
  store double 1.000000e+00, ptr %31, align 8, !tbaa !12
  br label %32

32:                                               ; preds = %19
  %33 = load i64, ptr %9, align 8, !tbaa !9
  %34 = add i64 %33, 1
  store i64 %34, ptr %9, align 8, !tbaa !9
  br label %14, !llvm.loop !14

35:                                               ; preds = %18
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret ptr %36
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(0,1) "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 = { 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 #3 = { nounwind }
attributes #4 = { nounwind allocsize(0,1) }

!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 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !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,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind memory(write, argmem: read, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @one_hot(ptr nocapture noundef readonly %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = mul i64 %2, %1
  %5 = tail call noalias ptr @calloc(i64 noundef %4, i64 noundef 8) #2
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %3
  %xtraiter = and i64 %2, 3
  %6 = icmp ult i64 %2, 4
  br i1 %6, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %2, -4
  br label %.lr.ph

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.011.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %41, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %.011.epil = phi i64 [ %13, %.lr.ph.epil ], [ %.011.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %7 = getelementptr inbounds i8, ptr %0, i64 %.011.epil
  %8 = load i8, ptr %7, align 1, !tbaa !5
  %9 = zext i8 %8 to i64
  %10 = mul i64 %.011.epil, %1
  %11 = getelementptr double, ptr %5, i64 %10
  %12 = getelementptr double, ptr %11, i64 %9
  store double 1.000000e+00, ptr %12, align 8, !tbaa !8
  %13 = add nuw i64 %.011.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph.epil, !llvm.loop !10

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil, %3
  ret ptr %5

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.011 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %41, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %14 = getelementptr inbounds i8, ptr %0, i64 %.011
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %16 = zext i8 %15 to i64
  %17 = mul i64 %.011, %1
  %18 = getelementptr double, ptr %5, i64 %17
  %19 = getelementptr double, ptr %18, i64 %16
  store double 1.000000e+00, ptr %19, align 8, !tbaa !8
  %20 = or disjoint i64 %.011, 1
  %21 = getelementptr inbounds i8, ptr %0, i64 %20
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = zext i8 %22 to i64
  %24 = mul i64 %20, %1
  %25 = getelementptr double, ptr %5, i64 %24
  %26 = getelementptr double, ptr %25, i64 %23
  store double 1.000000e+00, ptr %26, align 8, !tbaa !8
  %27 = or disjoint i64 %.011, 2
  %28 = getelementptr inbounds i8, ptr %0, i64 %27
  %29 = load i8, ptr %28, align 1, !tbaa !5
  %30 = zext i8 %29 to i64
  %31 = mul i64 %27, %1
  %32 = getelementptr double, ptr %5, i64 %31
  %33 = getelementptr double, ptr %32, i64 %30
  store double 1.000000e+00, ptr %33, align 8, !tbaa !8
  %34 = or disjoint i64 %.011, 3
  %35 = getelementptr inbounds i8, ptr %0, i64 %34
  %36 = load i8, ptr %35, align 1, !tbaa !5
  %37 = zext i8 %36 to i64
  %38 = mul i64 %34, %1
  %39 = getelementptr double, ptr %5, i64 %38
  %40 = getelementptr double, ptr %39, i64 %37
  store double 1.000000e+00, ptr %40, align 8, !tbaa !8
  %41 = add nuw i64 %.011, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !12
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) 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: read, 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(0,1) }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"double", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.unroll.disable"}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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