; LLVM IR from ERGO-Code/HiGHS :: src/util (HighsUtils)

; 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.52 = external hidden unnamed_addr constant [73 x i8], align 1
@.str.68 = external hidden unnamed_addr constant [27 x i8], align 1
@.str.69 = external hidden unnamed_addr constant [11 x i8], align 1
@__PRETTY_FUNCTION__._Z18intUserDataNotNullRK15HighsLogOptionsPKiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE = external hidden unnamed_addr constant [86 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

declare void @_Z12highsLogUserRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89), i32 noundef, ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z18intUserDataNotNullRK15HighsLogOptionsPKiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(89) %0, ptr noundef %1, ptr noundef %2) #4 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  store i8 0, ptr %7, align 1, !tbaa !9
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %13

10:                                               ; preds = %3
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void (ptr, i32, ptr, ...) @_Z12highsLogUserRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89) %11, i32 noundef 5, ptr noundef @.str.68, ptr noundef %12)
  store i8 1, ptr %7, align 1, !tbaa !9
  br label %13

13:                                               ; preds = %10, %3
  %14 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %15 = trunc i8 %14 to i1
  %16 = xor i1 %15, true
  br i1 %16, label %17, label %18

17:                                               ; preds = %13
  br label %20

18:                                               ; preds = %13
  call void @__assert_fail(ptr noundef @.str.69, ptr noundef @.str.52, i32 noundef 273, ptr noundef @__PRETTY_FUNCTION__._Z18intUserDataNotNullRK15HighsLogOptionsPKiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE) #6
  unreachable

19:                                               ; No predecessors!
  br label %20

20:                                               ; preds = %19, %17
  %21 = load i8, ptr %7, align 1, !tbaa !9, !range !11, !noundef !12
  %22 = trunc i8 %21 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  ret i1 %22
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn 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 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { noreturn 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


; 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.52 = external hidden unnamed_addr constant [73 x i8], align 1
@.str.68 = external hidden unnamed_addr constant [27 x i8], align 1
@.str.69 = external hidden unnamed_addr constant [11 x i8], align 1
@__PRETTY_FUNCTION__._Z18intUserDataNotNullRK15HighsLogOptionsPKiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE = external hidden unnamed_addr constant [86 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

declare void @_Z12highsLogUserRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89), i32 noundef, ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z18intUserDataNotNullRK15HighsLogOptionsPKiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(89) %0, ptr noundef readnone %1, ptr noundef %2) local_unnamed_addr #3 {
  %4 = icmp eq ptr %1, null
  br i1 %4, label %5, label %.critedge

5:                                                ; preds = %3
  %6 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  tail call void (ptr, i32, ptr, ...) @_Z12highsLogUserRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89) %0, i32 noundef 5, ptr noundef nonnull @.str.68, ptr noundef %6)
  tail call void @__assert_fail(ptr noundef nonnull @.str.69, ptr noundef nonnull @.str.52, i32 noundef 273, ptr noundef nonnull @__PRETTY_FUNCTION__._Z18intUserDataNotNullRK15HighsLogOptionsPKiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE) #5
  unreachable

.critedge:                                        ; preds = %3
  ret i1 false
}

attributes #0 = { noreturn 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 #1 = { "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 = { 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 #4 = { nounwind }
attributes #5 = { noreturn 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)"}


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