; LLVM IR from aap/librw :: src/error.ll (ZN2rw9dbgsprintEjz)

; 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 }

@_ZN2rw7errstrsE = external dso_local global [13 x ptr], align 16
@_ZZN2rw9dbgsprintEjzE6strbuf = external hidden global [512 x i8], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZN2rw9dbgsprintEjz(i32 noundef %0, ...) #0 {
  %2 = alloca i32, align 4
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #4
  %4 = load i32, ptr %2, align 4, !tbaa !5
  %5 = and i32 %4, -2147483648
  %6 = icmp ne i32 %5, 0
  br i1 %6, label %7, label %10

7:                                                ; preds = %1
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = and i32 %8, 2147483647
  store i32 %9, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %7, %1
  %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 i32, ptr %2, align 4, !tbaa !5
  %13 = zext i32 %12 to i64
  %14 = getelementptr inbounds [13 x ptr], ptr @_ZN2rw7errstrsE, i64 0, i64 %13
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %3, i64 0, i64 0
  %17 = call i32 @vsprintf(ptr noundef @_ZZN2rw9dbgsprintEjzE6strbuf, ptr noundef %15, ptr noundef %16) #4
  %18 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %3, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %18)
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #4
  ret ptr @_ZZN2rw9dbgsprintEjzE6strbuf
}

; 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: nounwind
declare i32 @vsprintf(ptr noundef, ptr 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

attributes #0 = { mustprogress 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 = { 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 }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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 }

@_ZN2rw7errstrsE = external dso_local local_unnamed_addr global [13 x ptr], align 16
@_ZZN2rw9dbgsprintEjzE6strbuf = external hidden global [512 x i8], align 16

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local noundef nonnull ptr @_ZN2rw9dbgsprintEjz(i32 noundef %0, ...) local_unnamed_addr #0 {
  %2 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  %3 = and i32 %0, 2147483647
  call void @llvm.va_start.p0(ptr nonnull %2)
  %4 = zext nneg i32 %3 to i64
  %5 = getelementptr inbounds [13 x ptr], ptr @_ZN2rw7errstrsE, i64 0, i64 %4
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = call i32 @vsprintf(ptr noundef nonnull @_ZZN2rw9dbgsprintEjzE6strbuf, ptr noundef %6, ptr noundef nonnull %2) #4
  call void @llvm.va_end.p0(ptr nonnull %2)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  ret ptr @_ZZN2rw9dbgsprintEjzE6strbuf
}

; 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: nofree nounwind
declare noundef i32 @vsprintf(ptr nocapture noundef, ptr 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

attributes #0 = { mustprogress 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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