; LLVM IR from Smorodov/Multitarget-tracker :: src/Tracker/graph (fheap)

; 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.fheap = type { ptr, ptr, i32, i32, i32, i32, i64 }

; Function Attrs: nounwind uwtable
define dso_local ptr @fh_alloc(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %4 = call noalias ptr @malloc(i64 noundef 40) #6
  store ptr %4, ptr %3, align 8, !tbaa !9
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = sitofp i32 %5 to double
  %7 = call double @log(double noundef %6) #5
  %8 = fmul double 1.440000e+00, %7
  %9 = call double @log(double noundef 2.000000e+00) #5
  %10 = fdiv double %8, %9
  %11 = fadd double 1.000000e+00, %10
  %12 = fptosi double %11 to i32
  %13 = load ptr, ptr %3, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.fheap, ptr %13, i32 0, i32 3
  store i32 %12, ptr %14, align 4, !tbaa !11
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = load ptr, ptr %3, align 8, !tbaa !9
  %17 = getelementptr inbounds %struct.fheap, ptr %16, i32 0, i32 2
  store i32 %15, ptr %17, align 8, !tbaa !14
  %18 = load ptr, ptr %3, align 8, !tbaa !9
  %19 = getelementptr inbounds %struct.fheap, ptr %18, i32 0, i32 3
  %20 = load i32, ptr %19, align 4, !tbaa !11
  %21 = sext i32 %20 to i64
  %22 = call noalias ptr @calloc(i64 noundef %21, i64 noundef 8) #7
  %23 = load ptr, ptr %3, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.fheap, ptr %23, i32 0, i32 0
  store ptr %22, ptr %24, align 8, !tbaa !15
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = call noalias ptr @calloc(i64 noundef %26, i64 noundef 8) #7
  %28 = load ptr, ptr %3, align 8, !tbaa !9
  %29 = getelementptr inbounds %struct.fheap, ptr %28, i32 0, i32 1
  store ptr %27, ptr %29, align 8, !tbaa !16
  %30 = load ptr, ptr %3, align 8, !tbaa !9
  %31 = getelementptr inbounds %struct.fheap, ptr %30, i32 0, i32 4
  store i32 0, ptr %31, align 8, !tbaa !17
  %32 = load ptr, ptr %3, align 8, !tbaa !9
  %33 = getelementptr inbounds %struct.fheap, ptr %32, i32 0, i32 5
  store i32 0, ptr %33, align 4, !tbaa !18
  %34 = load ptr, ptr %3, align 8, !tbaa !9
  %35 = getelementptr inbounds %struct.fheap, ptr %34, i32 0, i32 6
  store i64 0, ptr %35, align 8, !tbaa !19
  %36 = load ptr, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  ret ptr %36
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nounwind
declare double @log(double noundef) #3

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #4

; 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 = { 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 #3 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }
attributes #7 = { 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 = !{!"int", !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, !6, i64 20}
!12 = !{!"fheap", !10, i64 0, !10, i64 8, !6, i64 16, !6, i64 20, !6, i64 24, !6, i64 28, !13, i64 32}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !6, i64 16}
!15 = !{!12, !10, i64 0}
!16 = !{!12, !10, i64 8}
!17 = !{!12, !6, i64 24}
!18 = !{!12, !6, i64 28}
!19 = !{!12, !13, i64 32}


; 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 memory(write, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @fh_alloc(i32 noundef %0) local_unnamed_addr #0 {
  %2 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #5
  %3 = sitofp i32 %0 to double
  %4 = tail call double @log(double noundef %3) #6
  %5 = fmul double %4, 1.440000e+00
  %6 = fdiv double %5, 0x3FE62E42FEFA39EF
  %7 = fadd double %6, 1.000000e+00
  %8 = fptosi double %7 to i32
  %9 = getelementptr inbounds i8, ptr %2, i64 20
  store i32 %8, ptr %9, align 4, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %2, i64 16
  store i32 %0, ptr %10, align 8, !tbaa !12
  %11 = sext i32 %8 to i64
  %12 = tail call noalias ptr @calloc(i64 noundef %11, i64 noundef 8) #7
  store ptr %12, ptr %2, align 8, !tbaa !13
  %13 = sext i32 %0 to i64
  %14 = tail call noalias ptr @calloc(i64 noundef %13, i64 noundef 8) #7
  %15 = getelementptr inbounds i8, ptr %2, i64 8
  store ptr %14, ptr %15, align 8, !tbaa !14
  %16 = getelementptr inbounds i8, ptr %2, i64 24
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %16, i8 0, i64 16, i1 false)
  ret ptr %2
}

; 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: mustprogress nofree nounwind willreturn memory(write)
declare double @log(double noundef) local_unnamed_addr #2

; 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 #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, 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 #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 = { mustprogress nofree nounwind willreturn memory(write) "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 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { nounwind allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { 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, !10, i64 20}
!6 = !{!"fheap", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !11, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!6, !10, i64 16}
!13 = !{!6, !7, i64 0}
!14 = !{!6, !7, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass