; LLVM IR from venumb/ZSPACE :: cpp/depends/alglib/cpp/src/ap.ll (ZN11alglib_impl9ae_mallocEmPNS_8ae_stateE)

; 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 [27 x i8], align 1

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11alglib_impl8ae_breakEPNS_8ae_stateENS_13ae_error_typeEPKc(ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN11alglib_impl14aligned_mallocEmm(i64 noundef, i64 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN11alglib_impl9ae_mallocEmPNS_8ae_stateE(i64 noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store i64 %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load i64, ptr %4, align 8, !tbaa !5
  %9 = icmp eq i64 %8, 0
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %23

11:                                               ; preds = %2
  %12 = load i64, ptr %4, align 8, !tbaa !5
  %13 = call noundef ptr @_ZN11alglib_impl14aligned_mallocEmm(i64 noundef %12, i64 noundef 64)
  store ptr %13, ptr %6, align 8, !tbaa !9
  %14 = load ptr, ptr %6, align 8, !tbaa !9
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %21

16:                                               ; preds = %11
  %17 = load ptr, ptr %5, align 8, !tbaa !9
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %21

19:                                               ; preds = %16
  %20 = load ptr, ptr %5, align 8, !tbaa !9
  call void @_ZN11alglib_impl8ae_breakEPNS_8ae_stateENS_13ae_error_typeEPKc(ptr noundef %20, i32 noundef 1, ptr noundef @.str)
  br label %21

21:                                               ; preds = %19, %16, %11
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %22, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %23

23:                                               ; preds = %21, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %24 = load ptr, ptr %3, align 8
  ret ptr %24
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress 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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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 [27 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11alglib_impl8ae_breakEPNS_8ae_stateENS_13ae_error_typeEPKc(ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN11alglib_impl14aligned_mallocEmm(i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN11alglib_impl9ae_mallocEmPNS_8ae_stateE(i64 noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq i64 %0, 0
  br i1 %3, label %9, label %4

4:                                                ; preds = %2
  %5 = tail call noundef ptr @_ZN11alglib_impl14aligned_mallocEmm(i64 noundef %0, i64 noundef 64)
  %6 = icmp eq ptr %5, null
  %7 = icmp ne ptr %1, null
  %or.cond = and i1 %7, %6
  br i1 %or.cond, label %8, label %9

8:                                                ; preds = %4
  tail call void @_ZN11alglib_impl8ae_breakEPNS_8ae_stateENS_13ae_error_typeEPKc(ptr noundef nonnull %1, i32 noundef 1, ptr noundef nonnull @.str)
  br label %9

9:                                                ; preds = %4, %8, %2
  %.0 = phi ptr [ null, %2 ], [ null, %8 ], [ %5, %4 ]
  ret ptr %.0
}

attributes #0 = { mustprogress 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 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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass