; LLVM IR from tezc/sc :: signal (sc_signal)

; 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 }

; Function Attrs: nounwind uwtable
declare dso_local i32 @sc_signal_vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

; Function Attrs: nounwind uwtable
define dso_local void @sc_signal_log(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ...) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca [1 x %struct.__va_list_tag], align 16
  store i32 %0, ptr %5, align 4, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !11
  store ptr %3, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #4
  %12 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %11, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %12)
  %13 = load ptr, ptr %6, align 8, !tbaa !9
  %14 = load i64, ptr %7, align 8, !tbaa !11
  %15 = load ptr, ptr %8, align 8, !tbaa !9
  %16 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %11, i64 0, i64 0
  %17 = call i32 @sc_signal_vsnprintf(ptr noundef %13, i64 noundef %14, ptr noundef %15, ptr noundef %16)
  store i32 %17, ptr %9, align 4, !tbaa !5
  %18 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %11, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %18)
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !9
  %21 = load i32, ptr %9, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = call i64 @write(i32 noundef %19, ptr noundef %20, i64 noundef %22)
  %24 = trunc i64 %23 to i32
  store i32 %24, ptr %10, align 4, !tbaa !5
  %25 = load i32, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  ret void
}

declare i64 @write(i32 noundef, ptr noundef, i64 noundef) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { "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 }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !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 }

; Function Attrs: nounwind uwtable
declare dso_local i32 @sc_signal_vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

; Function Attrs: nounwind uwtable
define dso_local void @sc_signal_log(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ...) local_unnamed_addr #0 {
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #4
  call void @llvm.va_start.p0(ptr nonnull %5)
  %6 = call i32 @sc_signal_vsnprintf(ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef nonnull %5)
  call void @llvm.va_end.p0(ptr nonnull %5)
  %7 = sext i32 %6 to i64
  %8 = call i64 @write(i32 noundef %0, ptr noundef %1, i64 noundef %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #4
  ret void
}

; Function Attrs: nofree
declare noundef i64 @write(i32 noundef, ptr nocapture noundef readonly, i64 noundef) local_unnamed_addr #3

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #3 = { nofree "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 }

!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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass