; LLVM IR from Meow8p/nmf :: src/libnmf.ll_ (cyg_profile_func_enter)

; 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"

@nmf_malloc_actual_id = external dso_local global i32, align 4

; Function Attrs: nounwind uwtable
declare dso_local i32 @nmf_init() #0

; Function Attrs: nounwind uwtable
define dso_local void @__cyg_profile_func_enter(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load i32, ptr @nmf_malloc_actual_id, align 4, !tbaa !9
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %7, label %9

7:                                                ; preds = %2
  %8 = call i32 @nmf_init()
  br label %9

9:                                                ; preds = %7, %2
  %10 = load i32, ptr @nmf_malloc_actual_id, align 4, !tbaa !9
  %11 = add i32 %10, 1
  store i32 %11, ptr @nmf_malloc_actual_id, align 4, !tbaa !9
  ret void
}

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" }

!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}


; 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"

@nmf_malloc_actual_id = external dso_local local_unnamed_addr global i32, align 4

; Function Attrs: nounwind uwtable
declare dso_local i32 @nmf_init() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @__cyg_profile_func_enter(ptr nocapture noundef readnone %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @nmf_malloc_actual_id, align 4, !tbaa !5
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %5, label %7

5:                                                ; preds = %2
  %6 = tail call i32 @nmf_init()
  %.pre = load i32, ptr @nmf_malloc_actual_id, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %5, %2
  %8 = phi i32 [ %.pre, %5 ], [ %3, %2 ]
  %9 = add i32 %8, 1
  store i32 %9, ptr @nmf_malloc_actual_id, align 4, !tbaa !5
  ret void
}

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" }

!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"}


; Effective O3 passes: GVNPass,GlobalOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass