; LLVM IR from humz2k/sugaryc :: ext/bdwgc/extra (gc)

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

@GC_on_abort = external dso_local global ptr, align 8
@.str.82 = external hidden unnamed_addr constant [26 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: 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 void @GC_err_printf(ptr noundef %0, ...) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca [1025 x i8], align 16
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1025, ptr %3) #5
  br label %5

5:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %6 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %6)
  %7 = getelementptr inbounds [1025 x i8], ptr %3, i64 0, i64 1024
  store i8 21, ptr %7, align 16, !tbaa !9
  %8 = getelementptr inbounds [1025 x i8], ptr %3, i64 0, i64 0
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  %11 = call i32 @vsnprintf(ptr noundef %8, i64 noundef 1024, ptr noundef %9, ptr noundef %10) #5
  %12 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %12)
  %13 = getelementptr inbounds [1025 x i8], ptr %3, i64 0, i64 1024
  %14 = load i8, ptr %13, align 16, !tbaa !9
  %15 = sext i8 %14 to i32
  %16 = icmp ne i32 %15, 21
  br i1 %16, label %17, label %19

17:                                               ; preds = %5
  %18 = load ptr, ptr @GC_on_abort, align 8, !tbaa !5
  call void %18(ptr noundef @.str.82)
  call void @abort() #6
  unreachable

19:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  br label %20

20:                                               ; preds = %19
  br label %21

21:                                               ; preds = %20
  %22 = getelementptr inbounds [1025 x i8], ptr %3, i64 0, i64 0
  call void @GC_err_puts(ptr noundef %22)
  call void @llvm.lifetime.end.p0(i64 1025, ptr %3) #5
  ret void
}

; Function Attrs: noreturn nounwind
declare void @abort() #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #3

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #3

; Function Attrs: nounwind uwtable
declare dso_local void @GC_err_puts(ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { 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 = !{!7, !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.__va_list_tag = type { i32, i32, ptr, ptr }

@GC_on_abort = external dso_local local_unnamed_addr global ptr, align 8
@.str.82 = external hidden unnamed_addr constant [26 x i8], align 1

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

; Function Attrs: mustprogress 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 void @GC_err_printf(ptr nocapture noundef readonly %0, ...) local_unnamed_addr #1 {
  %2 = alloca [1025 x i8], align 16
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 1025, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.va_start.p0(ptr nonnull %3)
  %4 = getelementptr inbounds i8, ptr %2, i64 1024
  store i8 21, ptr %4, align 16, !tbaa !5
  %5 = call i32 @vsnprintf(ptr noundef nonnull %2, i64 noundef 1024, ptr noundef %0, ptr noundef nonnull %3) #5
  call void @llvm.va_end.p0(ptr nonnull %3)
  %6 = load i8, ptr %4, align 16, !tbaa !5
  %.not = icmp eq i8 %6, 21
  br i1 %.not, label %9, label %7

7:                                                ; preds = %1
  %8 = load ptr, ptr @GC_on_abort, align 8, !tbaa !8
  call void %8(ptr noundef nonnull @.str.82) #5
  call void @abort() #6
  unreachable

9:                                                ; preds = %1
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @GC_err_puts(ptr noundef nonnull %2)
  call void @llvm.lifetime.end.p0(i64 1025, ptr nonnull %2) #5
  ret void
}

; Function Attrs: noreturn nounwind
declare void @abort() local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #3

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #3

; Function Attrs: nounwind uwtable
declare dso_local void @GC_err_puts(ptr noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #5 = { nounwind }
attributes #6 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, i64 0}


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