; LLVM IR from chdb-io/chdb :: src/Common/mallocAdapt.ll_ (wrap_free)

; 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"

@.str = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @__wrap_free(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  %7 = xor i1 %6, true
  %8 = xor i1 %7, true
  %9 = zext i1 %8 to i32
  %10 = sext i32 %9 to i64
  %11 = call i64 @llvm.expect.i64(i64 %10, i64 0)
  %12 = icmp ne i64 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %1
  store i32 1, ptr %4, align 4
  br label %28

14:                                               ; preds = %1
  %15 = call i32 @je_mallctl(ptr noundef @.str, ptr noundef null, ptr noundef null, ptr noundef %2, i64 noundef 8) #5
  store i32 %15, ptr %3, align 4, !tbaa !9
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = icmp ne i32 %16, 0
  %18 = xor i1 %17, true
  %19 = xor i1 %18, true
  %20 = zext i1 %19 to i32
  %21 = sext i32 %20 to i64
  %22 = call i64 @llvm.expect.i64(i64 %21, i64 0)
  %23 = icmp ne i64 %22, 0
  br i1 %23, label %24, label %26

24:                                               ; preds = %14
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  call void @__real_free(ptr noundef %25)
  store i32 1, ptr %4, align 4
  br label %28

26:                                               ; preds = %14
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  call void @je_free(ptr noundef %27) #5
  store i32 0, ptr %4, align 4
  br label %28

28:                                               ; preds = %26, %24, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  %29 = load i32, ptr %4, align 4
  switch i32 %29, label %31 [
    i32 0, label %30
    i32 1, label %30
  ]

30:                                               ; preds = %28, %28
  ret void

31:                                               ; preds = %28
  unreachable
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #2

; Function Attrs: nounwind
declare i32 @je_mallctl(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i64 noundef) #3

declare void @__real_free(ptr noundef) #4

; Function Attrs: nounwind
declare void @je_free(ptr noundef) #3

; 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 = { nocallback nofree nosync nounwind willreturn memory(none) }
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 = { "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 }

!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"

@.str = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @__wrap_free(ptr noundef %0) local_unnamed_addr #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = icmp eq ptr %0, null
  br i1 %3, label %9, label %4, !prof !9

4:                                                ; preds = %1
  %5 = call i32 @je_mallctl(ptr noundef nonnull @.str, ptr noundef null, ptr noundef null, ptr noundef nonnull %2, i64 noundef 8) #3
  %.not = icmp eq i32 %5, 0
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  br i1 %.not, label %8, label %7, !prof !10

7:                                                ; preds = %4
  call void @__real_free(ptr noundef %6) #3
  br label %9

8:                                                ; preds = %4
  call void @je_free(ptr noundef %6) #3
  br label %9

9:                                                ; preds = %1, %8, %7
  ret void
}

; Function Attrs: nounwind
declare i32 @je_mallctl(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

declare void @__real_free(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare void @je_free(ptr noundef) local_unnamed_addr #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 = { 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 #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 }

!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 = !{!"branch_weights", !"expected", i32 1, i32 2000}
!10 = !{!"branch_weights", !"expected", i32 2000, i32 1}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LowerExpectIntrinsicPass,SROAPass,SimplifyCFGPass