; LLVM IR from aspuru-guzik-group/qtorch :: nlopt-2.4.2/api (f77api)

; 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.f77_func_data = type { ptr, ptr, 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 nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare hidden double @f77_func_wrap(i32 noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @nlopt_add_equality_constraint(ptr noundef, ptr noundef, ptr noundef, double noundef) #3

; Function Attrs: nounwind uwtable
define dso_local void @NLO_ADD_EQUALITY_CONSTRAINT(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #2 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %13 = call noalias ptr @malloc(i64 noundef 24) #5
  store ptr %13, ptr %11, align 8, !tbaa !5
  %14 = load ptr, ptr %11, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %18, label %16

16:                                               ; preds = %5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 -3, ptr %17, align 4, !tbaa !9
  store i32 1, ptr %12, align 4
  br label %32

18:                                               ; preds = %5
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = load ptr, ptr %11, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.f77_func_data, ptr %20, i32 0, i32 0
  store ptr %19, ptr %21, align 8, !tbaa !11
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.f77_func_data, ptr %23, i32 0, i32 2
  store ptr %22, ptr %24, align 8, !tbaa !13
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = load ptr, ptr %25, align 8, !tbaa !5
  %27 = load ptr, ptr %11, align 8, !tbaa !5
  %28 = load ptr, ptr %10, align 8, !tbaa !5
  %29 = load double, ptr %28, align 8, !tbaa !14
  %30 = call i32 @nlopt_add_equality_constraint(ptr noundef %26, ptr noundef @f77_func_wrap, ptr noundef %27, double noundef %29)
  %31 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 %30, ptr %31, align 4, !tbaa !9
  store i32 0, ptr %12, align 4
  br label %32

32:                                               ; preds = %18, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  %33 = load i32, ptr %12, align 4
  switch i32 %33, label %35 [
    i32 0, label %34
    i32 1, label %34
  ]

34:                                               ; preds = %32, %32
  ret void

35:                                               ; preds = %32
  unreachable
}

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 = { 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 = { "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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"", !6, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 16}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !7, 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: nounwind uwtable
declare hidden double @f77_func_wrap(i32 noundef, ptr noundef, ptr noundef, ptr noundef) #1

declare i32 @nlopt_add_equality_constraint(ptr noundef, ptr noundef, ptr noundef, double noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @NLO_ADD_EQUALITY_CONSTRAINT(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly %1, ptr noundef %2, ptr noundef %3, ptr nocapture noundef readonly %4) local_unnamed_addr #1 {
  %6 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #3
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %12, label %7

7:                                                ; preds = %5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %6, i64 16
  store ptr %3, ptr %8, align 8, !tbaa !10
  %9 = load ptr, ptr %1, align 8, !tbaa !11
  %10 = load double, ptr %4, align 8, !tbaa !12
  %11 = tail call i32 @nlopt_add_equality_constraint(ptr noundef %9, ptr noundef nonnull @f77_func_wrap, ptr noundef nonnull %6, double noundef %10) #4
  br label %12

12:                                               ; preds = %5, %7
  %storemerge = phi i32 [ %11, %7 ], [ -3, %5 ]
  store i32 %storemerge, ptr %0, align 4, !tbaa !14
  ret void
}

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 = { 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 = { "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) }
attributes #4 = { 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, !7, i64 0}
!6 = !{!"", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 16}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !8, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !8, i64 0}


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