; LLVM IR from aws/s2n-tls :: tls (s2n_x509_validator)

; 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.s2n_x509_validator = type { ptr, ptr, i8, i8, i16, ptr, i32, ptr, %struct.s2n_cert_validation_info, i8 }
%struct.s2n_cert_validation_info = type { i8, [3 x i8] }

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @s2n_x509_validator_is_cert_chain_validated(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp ne ptr %3, null
  br i1 %4, label %5, label %17

5:                                                ; preds = %1
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.s2n_x509_validator, ptr %6, i32 0, i32 6
  %8 = load i32, ptr %7, align 8, !tbaa !9
  %9 = icmp eq i32 %8, 4
  br i1 %9, label %15, label %10

10:                                               ; preds = %5
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.s2n_x509_validator, ptr %11, i32 0, i32 6
  %13 = load i32, ptr %12, align 8, !tbaa !9
  %14 = icmp eq i32 %13, 5
  br label %15

15:                                               ; preds = %10, %5
  %16 = phi i1 [ true, %5 ], [ %14, %10 ]
  br label %17

17:                                               ; preds = %15, %1
  %18 = phi i1 [ false, %1 ], [ %16, %15 ]
  ret i1 %18
}

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !12, i64 32}
!10 = !{!"s2n_x509_validator", !6, i64 0, !6, i64 8, !7, i64 16, !7, i64 17, !11, i64 18, !6, i64 24, !12, i64 32, !6, i64 40, !13, i64 48, !14, i64 52}
!11 = !{!"short", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"s2n_cert_validation_info", !12, i64 0, !12, i64 0}
!14 = !{!"_Bool", !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local zeroext i1 @s2n_x509_validator_is_cert_chain_validated(ptr noundef readonly %0) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %6, label %2

2:                                                ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 32
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = and i32 %4, -2
  %spec.select = icmp eq i32 %5, 4
  br label %6

6:                                                ; preds = %2, %1
  %7 = phi i1 [ false, %1 ], [ %spec.select, %2 ]
  ret i1 %7
}

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, !11, i64 32}
!6 = !{!"s2n_x509_validator", !7, i64 0, !7, i64 8, !8, i64 16, !8, i64 17, !10, i64 18, !7, i64 24, !11, i64 32, !7, i64 40, !12, i64 48, !13, i64 52}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!"s2n_cert_validation_info", !11, i64 0, !11, i64 0}
!13 = !{!"_Bool", !8, i64 0}


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