; LLVM IR from ERGO-Code/HiGHS :: src/lp_data (HighsInfo)

; 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"

; 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
define dso_local noundef i32 @_Z15writeInfoToFileP8_IO_FILEbRKSt6vectorIP10InfoRecordSaIS3_EE13HighsFileType(ptr noundef %0, i1 noundef zeroext %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  %12 = zext i1 %1 to i8
  store i8 %12, ptr %7, align 1, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #2
  %13 = load i32, ptr %9, align 4, !tbaa !11
  %14 = icmp eq i32 %13, 4
  %15 = zext i1 %14 to i8
  store i8 %15, ptr %10, align 1, !tbaa !9
  %16 = load i8, ptr %10, align 1, !tbaa !9, !range !13, !noundef !14
  %17 = trunc i8 %16 to i1
  br i1 %17, label %22, label %18

18:                                               ; preds = %4
  %19 = load i8, ptr %7, align 1, !tbaa !9, !range !13, !noundef !14
  %20 = trunc i8 %19 to i1
  br i1 %20, label %22, label %21

21:                                               ; preds = %18
  store i32 1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %33

22:                                               ; preds = %18, %4
  %23 = load i8, ptr %10, align 1, !tbaa !9, !range !13, !noundef !14
  %24 = trunc i8 %23 to i1
  br i1 %24, label %28, label %25

25:                                               ; preds = %22
  %26 = load i8, ptr %7, align 1, !tbaa !9, !range !13, !noundef !14
  %27 = trunc i8 %26 to i1
  br i1 %27, label %28, label %32

28:                                               ; preds = %25, %22
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load i32, ptr %9, align 4, !tbaa !11
  call void @_Z10reportInfoP8_IO_FILERKSt6vectorIP10InfoRecordSaIS3_EE13HighsFileType(ptr noundef %29, ptr noundef nonnull align 8 dereferenceable(24) %30, i32 noundef %31)
  br label %32

32:                                               ; preds = %28, %25
  store i32 0, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %33

33:                                               ; preds = %32, %21
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #2
  %34 = load i32, ptr %5, align 4
  ret i32 %34
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z10reportInfoP8_IO_FILERKSt6vectorIP10InfoRecordSaIS3_EE13HighsFileType(ptr noundef, ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) #1

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 = { 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 = !{!12, !12, i64 0}
!12 = !{!"_ZTS13HighsFileType", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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 uwtable
define dso_local noundef range(i32 0, 2) i32 @_Z15writeInfoToFileP8_IO_FILEbRKSt6vectorIP10InfoRecordSaIS3_EE13HighsFileType(ptr noundef %0, i1 noundef zeroext %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = icmp eq i32 %3, 4
  %brmerge = or i1 %5, %1
  br i1 %brmerge, label %6, label %7

6:                                                ; preds = %4
  tail call void @_Z10reportInfoP8_IO_FILERKSt6vectorIP10InfoRecordSaIS3_EE13HighsFileType(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %2, i32 noundef %3)
  br label %7

7:                                                ; preds = %6, %4
  %.0 = phi i32 [ 1, %4 ], [ 0, %6 ]
  ret i32 %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z10reportInfoP8_IO_FILERKSt6vectorIP10InfoRecordSaIS3_EE13HighsFileType(ptr noundef, ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) local_unnamed_addr #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" }

!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,JumpThreadingPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass