; LLVM IR from cvxgrp/scs :: linsys/cpu/direct (private)

; 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.SCS_LIN_SYS_WORK = type { i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @scs_free_lin_sys_work(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp ne ptr %3, null
  br i1 %4, label %5, label %48

5:                                                ; preds = %1
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %6, i32 0, i32 3
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = call ptr @_scs_cs_spfree(ptr noundef %8)
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %10, i32 0, i32 2
  %12 = load ptr, ptr %11, align 8, !tbaa !12
  %13 = call ptr @_scs_cs_spfree(ptr noundef %12)
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %14, i32 0, i32 15
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  call void @free(ptr noundef %16) #3
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %17, i32 0, i32 5
  %19 = load ptr, ptr %18, align 8, !tbaa !14
  call void @free(ptr noundef %19) #3
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %20, i32 0, i32 4
  %22 = load ptr, ptr %21, align 8, !tbaa !15
  call void @free(ptr noundef %22) #3
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %23, i32 0, i32 6
  %25 = load ptr, ptr %24, align 8, !tbaa !16
  call void @free(ptr noundef %25) #3
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %26, i32 0, i32 7
  %28 = load ptr, ptr %27, align 8, !tbaa !17
  call void @free(ptr noundef %28) #3
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %29, i32 0, i32 13
  %31 = load ptr, ptr %30, align 8, !tbaa !18
  call void @free(ptr noundef %31) #3
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %32, i32 0, i32 12
  %34 = load ptr, ptr %33, align 8, !tbaa !19
  call void @free(ptr noundef %34) #3
  %35 = load ptr, ptr %2, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %35, i32 0, i32 11
  %37 = load ptr, ptr %36, align 8, !tbaa !20
  call void @free(ptr noundef %37) #3
  %38 = load ptr, ptr %2, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %38, i32 0, i32 9
  %40 = load ptr, ptr %39, align 8, !tbaa !21
  call void @free(ptr noundef %40) #3
  %41 = load ptr, ptr %2, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %41, i32 0, i32 14
  %43 = load ptr, ptr %42, align 8, !tbaa !22
  call void @free(ptr noundef %43) #3
  %44 = load ptr, ptr %2, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.SCS_LIN_SYS_WORK, ptr %44, i32 0, i32 10
  %46 = load ptr, ptr %45, align 8, !tbaa !23
  call void @free(ptr noundef %46) #3
  %47 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %47) #3
  br label %48

48:                                               ; preds = %5, %1
  ret void
}

declare ptr @_scs_cs_spfree(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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 = { "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 "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 = !{!10, !6, i64 16}
!10 = !{!"SCS_LIN_SYS_WORK", !11, i64 0, !11, i64 4, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !11, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !6, i64 104, !6, i64 112}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 112}
!14 = !{!10, !6, i64 32}
!15 = !{!10, !6, i64 24}
!16 = !{!10, !6, i64 40}
!17 = !{!10, !6, i64 48}
!18 = !{!10, !6, i64 96}
!19 = !{!10, !6, i64 88}
!20 = !{!10, !6, i64 80}
!21 = !{!10, !6, i64 64}
!22 = !{!10, !6, i64 104}
!23 = !{!10, !6, i64 72}


; 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: nounwind uwtable
define dso_local void @scs_free_lin_sys_work(ptr noundef %0) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %31, label %2

2:                                                ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call ptr @_scs_cs_spfree(ptr noundef %4) #3
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %8 = tail call ptr @_scs_cs_spfree(ptr noundef %7) #3
  %9 = getelementptr inbounds i8, ptr %0, i64 112
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  tail call void @free(ptr noundef %10) #3
  %11 = getelementptr inbounds i8, ptr %0, i64 32
  %12 = load ptr, ptr %11, align 8, !tbaa !13
  tail call void @free(ptr noundef %12) #3
  %13 = getelementptr inbounds i8, ptr %0, i64 24
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  tail call void @free(ptr noundef %14) #3
  %15 = getelementptr inbounds i8, ptr %0, i64 40
  %16 = load ptr, ptr %15, align 8, !tbaa !15
  tail call void @free(ptr noundef %16) #3
  %17 = getelementptr inbounds i8, ptr %0, i64 48
  %18 = load ptr, ptr %17, align 8, !tbaa !16
  tail call void @free(ptr noundef %18) #3
  %19 = getelementptr inbounds i8, ptr %0, i64 96
  %20 = load ptr, ptr %19, align 8, !tbaa !17
  tail call void @free(ptr noundef %20) #3
  %21 = getelementptr inbounds i8, ptr %0, i64 88
  %22 = load ptr, ptr %21, align 8, !tbaa !18
  tail call void @free(ptr noundef %22) #3
  %23 = getelementptr inbounds i8, ptr %0, i64 80
  %24 = load ptr, ptr %23, align 8, !tbaa !19
  tail call void @free(ptr noundef %24) #3
  %25 = getelementptr inbounds i8, ptr %0, i64 64
  %26 = load ptr, ptr %25, align 8, !tbaa !20
  tail call void @free(ptr noundef %26) #3
  %27 = getelementptr inbounds i8, ptr %0, i64 104
  %28 = load ptr, ptr %27, align 8, !tbaa !21
  tail call void @free(ptr noundef %28) #3
  %29 = getelementptr inbounds i8, ptr %0, i64 72
  %30 = load ptr, ptr %29, align 8, !tbaa !22
  tail call void @free(ptr noundef %30) #3
  tail call void @free(ptr noundef nonnull %0) #3
  br label %31

31:                                               ; preds = %2, %1
  ret void
}

declare ptr @_scs_cs_spfree(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

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 = { "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 willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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, !10, i64 16}
!6 = !{!"SCS_LIN_SYS_WORK", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !7, i64 56, !10, i64 64, !10, i64 72, !10, i64 80, !10, i64 88, !10, i64 96, !10, i64 104, !10, i64 112}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !10, i64 112}
!13 = !{!6, !10, i64 32}
!14 = !{!6, !10, i64 24}
!15 = !{!6, !10, i64 40}
!16 = !{!6, !10, i64 48}
!17 = !{!6, !10, i64 96}
!18 = !{!6, !10, i64 88}
!19 = !{!6, !10, i64 80}
!20 = !{!6, !10, i64 64}
!21 = !{!6, !10, i64 104}
!22 = !{!6, !10, i64 72}


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