; LLVM IR from intel/QAT_Engine :: qat_evp (qat_create_sm4_cbc_cipher_meth)

; 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"

@.str = external hidden unnamed_addr constant [60 x i8], align 1
@qat_hw_sm4_cbc_offload = external global i32, align 4
@qat_sw_sm4_cbc_offload = external global i32, align 4

; 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 memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @ERR_QAT_error(i32 noundef, i32 noundef, ptr noundef, i32 noundef) #1

declare ptr @EVP_CIPHER_meth_new(i32 noundef, i32 noundef, i32 noundef) #1

declare void @EVP_CIPHER_meth_free(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @qat_create_sm4_cbc_cipher_meth(i32 noundef %0, i32 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr null, ptr %6, align 8, !tbaa !9
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = load i32, ptr %5, align 4, !tbaa !5
  %10 = call ptr @EVP_CIPHER_meth_new(i32 noundef %8, i32 noundef 16, i32 noundef %9)
  store ptr %10, ptr %6, align 8, !tbaa !9
  %11 = icmp eq ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %2
  call void @ERR_QAT_error(i32 noundef 0, i32 noundef 395, ptr noundef @.str, i32 noundef 1040)
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %23

13:                                               ; preds = %2
  %14 = load i32, ptr @qat_hw_sm4_cbc_offload, align 4, !tbaa !5
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %16, label %21

16:                                               ; preds = %13
  %17 = load i32, ptr @qat_sw_sm4_cbc_offload, align 4, !tbaa !5
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %21

19:                                               ; preds = %16
  %20 = load ptr, ptr %6, align 8, !tbaa !9
  call void @EVP_CIPHER_meth_free(ptr noundef %20)
  br label %21

21:                                               ; preds = %19, %16, %13
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %22, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %23

23:                                               ; preds = %21, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %24 = load ptr, ptr %3, align 8
  ret ptr %24
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 #2 = { 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 #3 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/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"

@.str = external hidden unnamed_addr constant [60 x i8], align 1
@qat_hw_sm4_cbc_offload = external local_unnamed_addr global i32, align 4
@qat_sw_sm4_cbc_offload = external local_unnamed_addr global i32, align 4

declare void @ERR_QAT_error(i32 noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

declare ptr @EVP_CIPHER_meth_new(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

declare void @EVP_CIPHER_meth_free(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @qat_create_sm4_cbc_cipher_meth(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = tail call ptr @EVP_CIPHER_meth_new(i32 noundef %0, i32 noundef 16, i32 noundef %1) #2
  %4 = icmp eq ptr %3, null
  br i1 %4, label %5, label %6

5:                                                ; preds = %2
  tail call void @ERR_QAT_error(i32 noundef 0, i32 noundef 395, ptr noundef nonnull @.str, i32 noundef 1040) #2
  br label %12

6:                                                ; preds = %2
  %7 = load i32, ptr @qat_hw_sm4_cbc_offload, align 4, !tbaa !5
  %8 = icmp eq i32 %7, 0
  %9 = load i32, ptr @qat_sw_sm4_cbc_offload, align 4
  %10 = icmp eq i32 %9, 0
  %or.cond = select i1 %8, i1 %10, i1 false
  br i1 %or.cond, label %11, label %12

11:                                               ; preds = %6
  tail call void @EVP_CIPHER_meth_free(ptr noundef nonnull %3) #2
  br label %12

12:                                               ; preds = %6, %11, %5
  ret ptr %3
}

attributes #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 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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