; LLVM IR from ERGO-Code/HiGHS :: src/ipm/ipx (ipx_c)

; 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"

%struct.ipx_info = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, double, double, double, double, double, double, double, double, double, double, double, double, double, double, i32, i32, i32, i32, i32, i32, i32, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, i32, i32, i32, i32, double, double, double, double }
%"struct.ipx::Info" = type { %struct.ipx_info }

; 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 void @ipx_get_info(ptr dead_on_unwind noalias writable sret(%struct.ipx_info) align 8 %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"struct.ipx::Info", align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %6, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 464, ptr %5) #4
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNK3ipx8LpSolver7GetInfoEv(ptr dead_on_unwind writable sret(%"struct.ipx::Info") align 8 %5, ptr noundef nonnull align 8 dereferenceable(2864) %7)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %5, i64 464, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.end.p0(i64 464, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  ret void
}

declare void @_ZNK3ipx8LpSolver7GetInfoEv(ptr dead_on_unwind writable sret(%"struct.ipx::Info") align 8, ptr noundef nonnull align 8 dereferenceable(2864)) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 = !{i64 0, i64 4, !10, i64 4, i64 4, !10, i64 8, i64 4, !10, i64 12, i64 4, !10, i64 16, i64 4, !10, i64 20, i64 4, !10, i64 24, i64 4, !10, i64 28, i64 4, !10, i64 32, i64 4, !10, i64 36, i64 4, !10, i64 40, i64 4, !10, i64 44, i64 4, !10, i64 48, i64 4, !10, i64 52, i64 4, !10, i64 56, i64 4, !10, i64 60, i64 4, !10, i64 64, i64 4, !10, i64 68, i64 4, !10, i64 72, i64 4, !10, i64 76, i64 4, !10, i64 80, i64 8, !12, i64 88, i64 8, !12, i64 96, i64 8, !12, i64 104, i64 8, !12, i64 112, i64 8, !12, i64 120, i64 8, !12, i64 128, i64 8, !12, i64 136, i64 8, !12, i64 144, i64 8, !12, i64 152, i64 8, !12, i64 160, i64 8, !12, i64 168, i64 8, !12, i64 176, i64 8, !12, i64 184, i64 8, !12, i64 192, i64 4, !10, i64 196, i64 4, !10, i64 200, i64 4, !10, i64 204, i64 4, !10, i64 208, i64 4, !10, i64 212, i64 4, !10, i64 216, i64 4, !10, i64 224, i64 8, !12, i64 232, i64 8, !12, i64 240, i64 8, !12, i64 248, i64 8, !12, i64 256, i64 8, !12, i64 264, i64 8, !12, i64 272, i64 8, !12, i64 280, i64 8, !12, i64 288, i64 8, !12, i64 296, i64 8, !12, i64 304, i64 8, !12, i64 312, i64 8, !12, i64 320, i64 8, !12, i64 328, i64 8, !12, i64 336, i64 8, !12, i64 344, i64 8, !12, i64 352, i64 8, !12, i64 360, i64 8, !12, i64 368, i64 8, !12, i64 376, i64 8, !12, i64 384, i64 8, !12, i64 392, i64 8, !12, i64 400, i64 8, !12, i64 408, i64 8, !12, i64 416, i64 4, !10, i64 420, i64 4, !10, i64 424, i64 4, !10, i64 428, i64 4, !10, i64 432, i64 8, !12, i64 440, i64 8, !12, i64 448, i64 8, !12, i64 456, i64 8, !12}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !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"

%struct.ipx_info = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, double, double, double, double, double, double, double, double, double, double, double, double, double, double, i32, i32, i32, i32, i32, i32, i32, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, i32, i32, i32, i32, double, double, double, double }
%"struct.ipx::Info" = type { %struct.ipx_info }

; Function Attrs: mustprogress uwtable
define dso_local void @ipx_get_info(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.ipx_info) align 8 %0, ptr noundef nonnull %1) local_unnamed_addr #0 {
  tail call void @_ZNK3ipx8LpSolver7GetInfoEv(ptr dead_on_unwind nonnull writable sret(%"struct.ipx::Info") align 8 %0, ptr noundef nonnull align 8 dereferenceable(2864) %1)
  ret void
}

declare void @_ZNK3ipx8LpSolver7GetInfoEv(ptr dead_on_unwind writable sret(%"struct.ipx::Info") align 8, ptr noundef nonnull align 8 dereferenceable(2864)) local_unnamed_addr #1

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 = { "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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass