; LLVM IR from ARMmbed/mbed-crypto :: library (cipher)

; 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.mbedtls_cipher_info_t = type { i32, i32, i32, ptr, i32, i32, i32, ptr }
%struct.mbedtls_cipher_base_t = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }
%struct.mbedtls_cipher_context_t = type { ptr, i32, i32, ptr, ptr, [16 x i8], i64, [16 x i8], i64, ptr, ptr }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @mbedtls_cipher_setup(ptr noundef %0, ptr noundef %1) #1 {
  %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
  br label %7

7:                                                ; preds = %6
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %11

10:                                               ; preds = %7
  store i32 -24832, ptr %3, align 4
  br label %29

11:                                               ; preds = %7
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 8 %12, i8 0, i64 96, i1 false)
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.mbedtls_cipher_info_t, ptr %13, i32 0, i32 7
  %15 = load ptr, ptr %14, align 8, !tbaa !9
  %16 = getelementptr inbounds %struct.mbedtls_cipher_base_t, ptr %15, i32 0, i32 10
  %17 = load ptr, ptr %16, align 8, !tbaa !12
  %18 = call ptr %17()
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.mbedtls_cipher_context_t, ptr %19, i32 0, i32 9
  store ptr %18, ptr %20, align 8, !tbaa !14
  %21 = icmp eq ptr null, %18
  br i1 %21, label %22, label %23

22:                                               ; preds = %11
  store i32 -24960, ptr %3, align 4
  br label %29

23:                                               ; preds = %11
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.mbedtls_cipher_context_t, ptr %25, i32 0, i32 0
  store ptr %24, ptr %26, align 8, !tbaa !17
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = call i32 @mbedtls_cipher_set_padding_mode(ptr noundef %27, i32 noundef 0)
  store i32 0, ptr %3, align 4
  br label %29

29:                                               ; preds = %23, %22, %10
  %30 = load i32, ptr %3, align 4
  ret i32 %30
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @mbedtls_cipher_set_padding_mode(ptr noundef, i32 noundef) #1

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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" }

!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, !6, i64 40}
!10 = !{!"mbedtls_cipher_info_t", !11, i64 0, !11, i64 4, !11, i64 8, !6, i64 16, !11, i64 24, !11, i64 28, !11, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !6, i64 80}
!13 = !{!"mbedtls_cipher_base_t", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88}
!14 = !{!15, !6, i64 80}
!15 = !{!"mbedtls_cipher_context_t", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !7, i64 32, !16, i64 48, !7, i64 56, !16, i64 72, !6, i64 80, !6, i64 88}
!16 = !{!"long", !7, i64 0}
!17 = !{!15, !6, 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 nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -24960, 1) i32 @mbedtls_cipher_setup(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = icmp eq ptr %1, null
  br i1 %3, label %14, label %4

4:                                                ; preds = %2
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(96) %0, i8 0, i64 96, i1 false)
  %5 = getelementptr inbounds i8, ptr %1, i64 40
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 80
  %8 = load ptr, ptr %7, align 8, !tbaa !11
  %9 = tail call ptr %8() #2
  %10 = getelementptr inbounds i8, ptr %0, i64 80
  store ptr %9, ptr %10, align 8, !tbaa !13
  %11 = icmp eq ptr %9, null
  br i1 %11, label %14, label %12

12:                                               ; preds = %4
  store ptr %1, ptr %0, align 8, !tbaa !16
  %13 = tail call i32 @mbedtls_cipher_set_padding_mode(ptr noundef nonnull %0, i32 noundef 0)
  br label %14

14:                                               ; preds = %4, %2, %12
  %.0 = phi i32 [ 0, %12 ], [ -24832, %2 ], [ -24960, %4 ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @mbedtls_cipher_set_padding_mode(ptr noundef, i32 noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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, !10, i64 40}
!6 = !{!"mbedtls_cipher_info_t", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 16, !7, i64 24, !7, i64 28, !7, i64 32, !10, i64 40}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!12, !10, i64 80}
!12 = !{!"mbedtls_cipher_base_t", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56, !10, i64 64, !10, i64 72, !10, i64 80, !10, i64 88}
!13 = !{!14, !10, i64 80}
!14 = !{!"mbedtls_cipher_context_t", !10, i64 0, !7, i64 8, !7, i64 12, !10, i64 16, !10, i64 24, !8, i64 32, !15, i64 48, !8, i64 56, !15, i64 72, !10, i64 80, !10, i64 88}
!15 = !{!"long", !8, i64 0}
!16 = !{!14, !10, i64 0}


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