; LLVM IR from ejoy/ejoy2d :: lib (fault)

; 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
define dso_local void @fault(ptr noundef %0, ...) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 0
  %7 = load i8, ptr %6, align 1, !tbaa !9
  %8 = sext i8 %7 to i32
  %9 = icmp eq i32 %8, 33
  br i1 %9, label %10, label %17

10:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #5
  %11 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %3, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %11)
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 1
  %14 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %3, i64 0, i64 0
  %15 = call i32 @vprintf(ptr noundef %13, ptr noundef %14) #5
  %16 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %3, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %16)
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #5
  br label %23

17:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %18 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %18)
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  %21 = call i32 @vprintf(ptr noundef %19, ptr noundef %20) #5
  %22 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %22)
  call void @exit(i32 noundef 1) #6
  unreachable

23:                                               ; preds = %10
  ret void
}

; 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
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: inlinehint nounwind uwtable
declare i32 @vprintf(ptr noalias noundef, ptr noundef) #3

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

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

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #4

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 = { inlinehint 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 = { 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 #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 }

; Function Attrs: nounwind uwtable
define dso_local void @fault(ptr nocapture noundef readonly %0, ...) local_unnamed_addr #0 {
  %2 = alloca [1 x %struct.__va_list_tag], align 16
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  %4 = load i8, ptr %0, align 1, !tbaa !5
  %5 = icmp eq i8 %4, 33
  br i1 %5, label %6, label %9

6:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.va_start.p0(ptr nonnull %2)
  %7 = getelementptr inbounds i8, ptr %0, i64 1
  %8 = call i32 @vprintf(ptr noundef nonnull %7, ptr noundef nonnull %2) #5
  call void @llvm.va_end.p0(ptr nonnull %2)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  ret void

9:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.va_start.p0(ptr nonnull %3)
  %10 = call i32 @vprintf(ptr noundef nonnull %0, ptr noundef nonnull %3) #5
  call void @llvm.va_end.p0(ptr nonnull %3)
  call void @exit(i32 noundef 1) #6
  unreachable
}

; 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
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: inlinehint nofree nounwind uwtable
declare noundef i32 @vprintf(ptr noalias nocapture noundef readonly, ptr noundef) local_unnamed_addr #3

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

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

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #4

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 = { inlinehint nofree 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 = { 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 #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"}


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