; LLVM IR from nickmqb/muon :: bootstrap/mu.ll_CommandLineArgsParser (from__)

; 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.tag_____CommandLineArgsParser__ = type { i32, ptr, ptr }
%struct.tag_____Array__string____ = type { ptr, i32 }

@top_____abandonFn__ = external dso_local thread_local global ptr, align 8

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nounwind uwtable
define dso_local void @CommandLineArgsParser__from__(ptr dead_on_unwind noalias writable sret(%struct.tag_____CommandLineArgsParser__) align 8 %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store ptr %2, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.tag_____Array__string____, ptr %6, i32 0, i32 1
  %8 = load i32, ptr %7, align 8, !tbaa !9
  %9 = icmp sge i32 %8, 1
  br i1 %9, label %13, label %10

10:                                               ; preds = %3
  %11 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @top_____abandonFn__)
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  call void %12(i32 noundef -2)
  br label %13

13:                                               ; preds = %10, %3
  call void @llvm.memset.p0.i64(ptr align 8 %0, i8 0, i64 24, i1 false)
  %14 = getelementptr inbounds %struct.tag_____CommandLineArgsParser__, ptr %0, i32 0, i32 0
  store i32 1, ptr %14, align 8, !tbaa !12
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.tag_____CommandLineArgsParser__, ptr %0, i32 0, i32 1
  store ptr %15, ptr %16, align 8, !tbaa !14
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.tag_____CommandLineArgsParser__, ptr %0, i32 0, i32 2
  store ptr %17, ptr %18, align 8, !tbaa !15
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"tag_____Array__string____", !6, i64 0, !11, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !11, i64 0}
!13 = !{!"tag_____CommandLineArgsParser__", !11, i64 0, !6, i64 8, !6, i64 16}
!14 = !{!13, !6, i64 8}
!15 = !{!13, !6, i64 16}


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

@top_____abandonFn__ = external dso_local thread_local local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

; Function Attrs: nounwind uwtable
define dso_local void @CommandLineArgsParser__from__(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.tag_____CommandLineArgsParser__) align 8 %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = getelementptr inbounds i8, ptr %1, i64 8
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %10, label %7

7:                                                ; preds = %3
  %8 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @top_____abandonFn__)
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  tail call void %9(i32 noundef -2) #2
  br label %10

10:                                               ; preds = %7, %3
  store i64 0, ptr %0, align 8
  store i32 1, ptr %0, align 8, !tbaa !12
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %1, ptr %11, align 8, !tbaa !14
  %12 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %2, ptr %12, align 8, !tbaa !15
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { 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 #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, !10, i64 8}
!6 = !{!"tag_____Array__string____", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !10, i64 0}
!13 = !{!"tag_____CommandLineArgsParser__", !10, i64 0, !7, i64 8, !7, i64 16}
!14 = !{!13, !7, i64 8}
!15 = !{!13, !7, i64 16}


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