; LLVM IR from turi-code/SFrame :: oss_src/rpc (circular_char_buffer)

; 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"

%"class.graphlab::circular_char_buffer" = type { ptr, i64, i64, i64, i64 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN8graphlab20circular_char_buffer20align_requires_allocEv(ptr noundef nonnull align 8 dereferenceable(40) %0) #0 align 2 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = getelementptr inbounds %"class.graphlab::circular_char_buffer", ptr %4, i32 0, i32 3
  %6 = load i64, ptr %5, align 8, !tbaa !9
  %7 = icmp sle i64 %6, 4
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %17

9:                                                ; preds = %1
  %10 = getelementptr inbounds %"class.graphlab::circular_char_buffer", ptr %4, i32 0, i32 2
  %11 = load i64, ptr %10, align 8, !tbaa !12
  %12 = getelementptr inbounds %"class.graphlab::circular_char_buffer", ptr %4, i32 0, i32 1
  %13 = load i64, ptr %12, align 8, !tbaa !13
  %14 = icmp sge i64 %11, %13
  br i1 %14, label %15, label %16

15:                                               ; preds = %9
  store i1 false, ptr %2, align 1
  br label %17

16:                                               ; preds = %9
  store i1 true, ptr %2, align 1
  br label %17

17:                                               ; preds = %16, %15, %8
  %18 = load i1, ptr %2, align 1
  ret i1 %18
}

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" }

!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"}
!9 = !{!10, !11, i64 24}
!10 = !{!"_ZTSN8graphlab20circular_char_bufferE", !6, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 16}
!13 = !{!10, !11, i64 8}


; 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @_ZN8graphlab20circular_char_buffer20align_requires_allocEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(40) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  %3 = load i64, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i64 %3, 4
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  %6 = load i64, ptr %5, align 8
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load i64, ptr %7, align 8
  %.not = icmp slt i64 %6, %8
  %.0 = select i1 %4, i1 %.not, i1 false
  ret i1 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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)"}
!5 = !{!6, !10, i64 24}
!6 = !{!"_ZTSN8graphlab20circular_char_bufferE", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}


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