; LLVM IR from aws/s2n-tls :: tests/fuzz (s2n_hybrid_ecdhe_kyber_r3_fuzz_test)

; 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_kem_params = type { ptr, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_blob, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }

@kyber512_r3_draft0_params = external hidden global %struct.s2n_kem_params, align 8
@kyber512_r3_draft5_params = external hidden global %struct.s2n_kem_params, align 8

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_fuzz_init_kem_param(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_fuzz_init(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %2
  %7 = call i32 @s2n_fuzz_init_kem_param(ptr noundef @kyber512_r3_draft0_params)
  %8 = icmp sgt i32 %7, -1
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  store i32 -1, ptr %3, align 4
  br label %18

10:                                               ; preds = %6
  br label %11

11:                                               ; preds = %10
  br label %12

12:                                               ; preds = %11
  %13 = call i32 @s2n_fuzz_init_kem_param(ptr noundef @kyber512_r3_draft5_params)
  %14 = icmp sgt i32 %13, -1
  br i1 %14, label %16, label %15

15:                                               ; preds = %12
  store i32 -1, ptr %3, align 4
  br label %18

16:                                               ; preds = %12
  br label %17

17:                                               ; preds = %16
  store i32 0, ptr %3, align 4
  br label %18

18:                                               ; preds = %17, %15, %9
  %19 = load i32, ptr %3, align 4
  ret i32 %19
}

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"}


; 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.s2n_kem_params = type { ptr, %struct.s2n_blob, %struct.s2n_blob, %struct.s2n_blob, i8 }
%struct.s2n_blob = type { ptr, i32, i32, i8 }

@kyber512_r3_draft0_params = external hidden global %struct.s2n_kem_params, align 8
@kyber512_r3_draft5_params = external hidden global %struct.s2n_kem_params, align 8

; Function Attrs: nounwind uwtable
declare dso_local i32 @s2n_fuzz_init_kem_param(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @s2n_fuzz_init(ptr nocapture noundef readnone %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %3 = tail call i32 @s2n_fuzz_init_kem_param(ptr noundef nonnull @kyber512_r3_draft0_params)
  %4 = icmp sgt i32 %3, -1
  br i1 %4, label %5, label %7

5:                                                ; preds = %2
  %6 = tail call i32 @s2n_fuzz_init_kem_param(ptr noundef nonnull @kyber512_r3_draft5_params)
  %.lobit = ashr i32 %6, 31
  br label %7

7:                                                ; preds = %5, %2
  %.0 = phi i32 [ -1, %2 ], [ %.lobit, %5 ]
  ret i32 %.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: GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass