; LLVM IR from 4LT/galines :: evolver (copyBestFit)

; 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.Evolver = type { ptr, i32, i32, %struct.Sequence, ptr }
%struct.Sequence = type { i64, ptr }

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

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

; Function Attrs: nounwind uwtable
define dso_local ptr @copyBestFit(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.Evolver, ptr %5, i32 0, i32 3
  %7 = getelementptr inbounds %struct.Sequence, ptr %6, i32 0, i32 0
  %8 = load i64, ptr %7, align 8, !tbaa !9
  %9 = mul i64 %8, 20
  store i64 %9, ptr %3, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %10 = call noalias ptr @malloc(i64 noundef 16) #5
  store ptr %10, ptr %4, align 8, !tbaa !5
  %11 = load i64, ptr %3, align 8, !tbaa !14
  %12 = call noalias ptr @malloc(i64 noundef %11) #5
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.Sequence, ptr %13, i32 0, i32 1
  store ptr %12, ptr %14, align 8, !tbaa !15
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.Sequence, ptr %15, i32 0, i32 1
  %17 = load ptr, ptr %16, align 8, !tbaa !15
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.Evolver, ptr %18, i32 0, i32 3
  %20 = getelementptr inbounds %struct.Sequence, ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !16
  %22 = load i64, ptr %3, align 8, !tbaa !14
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 4 %21, i64 %22, i1 false)
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.Evolver, ptr %23, i32 0, i32 3
  %25 = getelementptr inbounds %struct.Sequence, ptr %24, i32 0, i32 0
  %26 = load i64, ptr %25, align 8, !tbaa !9
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.Sequence, ptr %27, i32 0, i32 0
  store i64 %26, ptr %28, align 8, !tbaa !17
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = { nounwind }
attributes #5 = { 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 = !{!10, !13, i64 16}
!10 = !{!"Evolver", !6, i64 0, !11, i64 8, !11, i64 12, !12, i64 16, !6, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!"Sequence", !13, i64 0, !6, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!13, !13, i64 0}
!15 = !{!12, !6, i64 8}
!16 = !{!10, !6, i64 24}
!17 = !{!12, !13, 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"

; 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: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress nofree nounwind willreturn uwtable
define dso_local noalias noundef ptr @copyBestFit(ptr nocapture noundef readonly %0) local_unnamed_addr #2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load i64, ptr %2, align 8, !tbaa !5
  %4 = mul i64 %3, 20
  %5 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #3
  %6 = tail call noalias ptr @malloc(i64 noundef %4) #3
  %7 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %6, ptr %7, align 8, !tbaa !13
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load ptr, ptr %8, align 8, !tbaa !14
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %9, i64 %4, i1 false)
  store i64 %3, ptr %5, align 8, !tbaa !15
  ret ptr %5
}

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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nofree nounwind willreturn 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 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, !12, i64 16}
!6 = !{!"Evolver", !7, i64 0, !10, i64 8, !10, i64 12, !11, i64 16, !7, 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 = !{!"Sequence", !12, i64 0, !7, i64 8}
!12 = !{!"long", !8, i64 0}
!13 = !{!11, !7, i64 8}
!14 = !{!6, !7, i64 24}
!15 = !{!11, !12, i64 0}


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