; LLVM IR from masyagin1998/GCI :: src/parser (ast)

; 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.IDENT_AST = type { [32 x i8], i64, i64 }

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [36 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [67 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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @create_ident_ast(ptr noundef %0, i64 noundef %1, i64 noundef %2) #4 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  br label %8

8:                                                ; preds = %3
  %9 = call noalias ptr @malloc(i64 noundef 48) #6
  store ptr %9, ptr %7, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %14

11:                                               ; preds = %8
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1666, i64 noundef 48) #5
  call void @exit(i32 noundef 1) #7
  unreachable

14:                                               ; preds = %8
  br label %15

15:                                               ; preds = %14
  br label %16

16:                                               ; preds = %15
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.IDENT_AST, ptr %17, i32 0, i32 0
  %19 = getelementptr inbounds [32 x i8], ptr %18, i64 0, i64 0
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = call ptr @strncpy(ptr noundef %19, ptr noundef %20, i64 noundef 32) #5
  %22 = load i64, ptr %5, align 8, !tbaa !9
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.IDENT_AST, ptr %23, i32 0, i32 1
  store i64 %22, ptr %24, align 8, !tbaa !11
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.IDENT_AST, ptr %26, i32 0, i32 2
  store i64 %25, ptr %27, align 8, !tbaa !13
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret ptr %28
}

; Function Attrs: nounwind
declare ptr @strncpy(ptr noundef, ptr noundef, i64 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 "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 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }
attributes #7 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 32}
!12 = !{!"IDENT_AST", !7, i64 0, !10, i64 32, !10, i64 40}
!13 = !{!12, !10, i64 40}


; 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [36 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [67 x i8], align 1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @create_ident_ast(ptr nocapture noundef readonly %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #3 {
  %4 = tail call noalias dereferenceable_or_null(48) ptr @malloc(i64 noundef 48) #5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %6, label %9

6:                                                ; preds = %3
  %7 = load ptr, ptr @stderr, align 8, !tbaa !5
  %8 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %7, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 1666, i64 noundef 48) #6
  tail call void @exit(i32 noundef 1) #7
  unreachable

9:                                                ; preds = %3
  %10 = tail call ptr @strncpy(ptr noundef nonnull dereferenceable(1) %4, ptr noundef nonnull dereferenceable(1) %0, i64 noundef 32) #8
  %11 = getelementptr inbounds i8, ptr %4, i64 32
  store i64 %1, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %4, i64 40
  store i64 %2, ptr %12, align 8, !tbaa !12
  ret ptr %4
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite)
declare ptr @strncpy(ptr noalias noundef returned writeonly, ptr noalias nocapture noundef readonly, i64 noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 #1 = { nofree 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 = { 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 #3 = { 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 nofree nounwind willreturn memory(argmem: readwrite) "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 allocsize(0) }
attributes #6 = { cold nounwind }
attributes #7 = { noreturn nounwind }
attributes #8 = { 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, !11, i64 32}
!10 = !{!"IDENT_AST", !7, i64 0, !11, i64 32, !11, i64 40}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 40}


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