; LLVM IR from litespeedtech/ls-qpack :: test (test_read_enc_stream)

; 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.test_read_encoder_stream = type { i32, [256 x i8], i64, i32, [10 x %struct.anon] }
%struct.anon = type { ptr, ptr }

@tests = external hidden constant <{ { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, %struct.anon, [8 x %struct.anon] }> }, %struct.test_read_encoder_stream, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, %struct.anon, [8 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> } }>, align 16

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #2
  store ptr @tests, ptr %2, align 8, !tbaa !5
  br label %3

3:                                                ; preds = %8, %0
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = icmp ult ptr %4, getelementptr inbounds (%struct.test_read_encoder_stream, ptr @tests, i64 13)
  br i1 %5, label %6, label %11

6:                                                ; preds = %3
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  call void @run_test(ptr noundef %7)
  br label %8

8:                                                ; preds = %6
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.test_read_encoder_stream, ptr %9, i32 1
  store ptr %10, ptr %2, align 8, !tbaa !5
  br label %3, !llvm.loop !9

11:                                               ; preds = %3
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #2
  ret i32 0
}

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

; Function Attrs: nounwind uwtable
declare hidden void @run_test(ptr noundef) #0

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

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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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.test_read_encoder_stream = type { i32, [256 x i8], i64, i32, [10 x %struct.anon] }
%struct.anon = type { ptr, ptr }

@tests = external hidden constant <{ { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, %struct.anon, [8 x %struct.anon] }> }, %struct.test_read_encoder_stream, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, %struct.anon, [8 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> }, { i32, [256 x i8], i64, i32, [4 x i8], <{ %struct.anon, [9 x %struct.anon] }> } }>, align 16

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  tail call void @run_test(ptr noundef nonnull @tests)
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 440))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 880))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 1320))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 1760))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 2200))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 2640))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 3080))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 3520))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 3960))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 4400))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 4840))
  tail call void @run_test(ptr noundef nonnull getelementptr inbounds (i8, ptr @tests, i64 5280))
  ret i32 0
}

; Function Attrs: nounwind uwtable
declare hidden void @run_test(ptr noundef) local_unnamed_addr #0

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" }

!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: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass