; LLVM IR from alibaba/GCanvas :: core/src/support/Log.ll (Z6LogExt8LogLevelPKcS1_z)

; 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 }

@gcanvasSystemLog = external dso_local global ptr, align 8
@g_log_level = external dso_local global i32, align 4
@.str.1 = external hidden unnamed_addr constant [4 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
declare void @llvm.va_start.p0(ptr) #1

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #1

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6LogExt8LogLevelPKcS1_z(i32 noundef %0, ptr noundef %1, ptr noundef %2, ...) #3 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [1 x %struct.__va_list_tag], align 16
  %8 = alloca [1024 x i8], align 16
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !9
  %9 = load i32, ptr @g_log_level, align 4, !tbaa !5
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = icmp sgt i32 %9, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  br label %31

13:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 1024, ptr %8) #5
  %14 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %7, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %14)
  %15 = getelementptr inbounds [1024 x i8], ptr %8, i64 0, i64 0
  %16 = load ptr, ptr %6, align 8, !tbaa !9
  %17 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %7, i64 0, i64 0
  %18 = call i32 @vsnprintf(ptr noundef %15, i64 noundef 1024, ptr noundef %16, ptr noundef %17) #5
  %19 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %7, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %19)
  %20 = load ptr, ptr @gcanvasSystemLog, align 8, !tbaa !9
  %21 = icmp ne ptr %20, null
  br i1 %21, label %22, label %27

22:                                               ; preds = %13
  %23 = load ptr, ptr @gcanvasSystemLog, align 8, !tbaa !9
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = load ptr, ptr %5, align 8, !tbaa !9
  %26 = getelementptr inbounds [1024 x i8], ptr %8, i64 0, i64 0
  call void %23(i32 noundef %24, ptr noundef %25, ptr noundef %26)
  br label %30

27:                                               ; preds = %13
  %28 = getelementptr inbounds [1024 x i8], ptr %8, i64 0, i64 0
  %29 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, ptr noundef %28)
  br label %30

30:                                               ; preds = %27, %22
  call void @llvm.lifetime.end.p0(i64 1024, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  br label %31

31:                                               ; preds = %30, %12
  ret void
}

declare i32 @printf(ptr noundef, ...) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn }
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 = { mustprogress 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 = { "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 }

!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 = !{!"_ZTS8LogLevel", !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 }

@gcanvasSystemLog = external dso_local local_unnamed_addr global ptr, align 8
@g_log_level = external dso_local local_unnamed_addr global i32, align 4
@.str.1 = external hidden unnamed_addr constant [4 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
declare void @llvm.va_start.p0(ptr) #1

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #1

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6LogExt8LogLevelPKcS1_z(i32 noundef %0, ptr noundef %1, ptr nocapture noundef readonly %2, ...) local_unnamed_addr #3 {
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  %5 = alloca [1024 x i8], align 16
  %6 = load i32, ptr @g_log_level, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, %0
  br i1 %7, label %15, label %8

8:                                                ; preds = %3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %5) #4
  call void @llvm.va_start.p0(ptr nonnull %4)
  %9 = call i32 @vsnprintf(ptr noundef nonnull %5, i64 noundef 1024, ptr noundef %2, ptr noundef nonnull %4) #4
  call void @llvm.va_end.p0(ptr nonnull %4)
  %10 = load ptr, ptr @gcanvasSystemLog, align 8, !tbaa !9
  %.not = icmp eq ptr %10, null
  br i1 %.not, label %12, label %11

11:                                               ; preds = %8
  call void %10(i32 noundef %0, ptr noundef %1, ptr noundef nonnull %5)
  br label %14

12:                                               ; preds = %8
  %13 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, ptr noundef nonnull %5)
  br label %14

14:                                               ; preds = %12, %11
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  br label %15

15:                                               ; preds = %3, %14
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #2 = { 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 #3 = { mustprogress 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 = { 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 = !{!"_ZTS8LogLevel", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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