; LLVM IR from rweather/lightweight-crypto :: test/unit (test-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.block_cipher_test_vector_128_t = type { ptr, [48 x i8], i32, [16 x i8], [16 x i8] }
%struct.block_cipher_t = type { ptr, i64, ptr, ptr, ptr }

@test_exit_result = external dso_local global i32, align 4
@.str.4 = external hidden unnamed_addr constant [12 x i8], align 1
@stdout = external global ptr, align 8
@.str.5 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @fflush(ptr noundef) #1

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @test_block_cipher_128_inner(ptr noundef, ptr noundef, ptr noundef, i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; Function Attrs: nounwind uwtable
define dso_local void @test_block_cipher_other(ptr noundef %0, ptr noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.block_cipher_test_vector_128_t, ptr %9, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, ptr noundef %11)
  %13 = load ptr, ptr @stdout, align 8, !tbaa !5
  %14 = call i32 @fflush(ptr noundef %13)
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.block_cipher_t, ptr %15, i32 0, i32 1
  %17 = load i64, ptr %16, align 8, !tbaa !13
  %18 = call noalias ptr @calloc(i64 noundef 1, i64 noundef %17) #6
  store ptr %18, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %23, label %21

21:                                               ; preds = %3
  %22 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  store i32 1, ptr @test_exit_result, align 4, !tbaa !9
  store i32 1, ptr %8, align 4
  br label %37

23:                                               ; preds = %3
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = zext i32 %27 to i64
  %29 = call i32 @test_block_cipher_128_inner(ptr noundef %24, ptr noundef %25, ptr noundef %26, i64 noundef %28)
  %30 = icmp ne i32 %29, 0
  br i1 %30, label %31, label %33

31:                                               ; preds = %23
  %32 = call i32 (ptr, ...) @printf(ptr noundef @.str.6)
  br label %35

33:                                               ; preds = %23
  %34 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  store i32 1, ptr @test_exit_result, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %33, %31
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef %36) #5
  store i32 0, ptr %8, align 4
  br label %37

37:                                               ; preds = %35, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  %38 = load i32, ptr %8, align 4
  switch i32 %38, label %40 [
    i32 0, label %39
    i32 1, label %39
  ]

39:                                               ; preds = %37, %37
  ret void

40:                                               ; preds = %37
  unreachable
}

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 allocsize(0,1) "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 #3 = { 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 #4 = { nounwind "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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0,1) }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"", !6, i64 0, !7, i64 8, !10, i64 56, !7, i64 60, !7, i64 76}
!13 = !{!14, !15, i64 8}
!14 = !{!"", !6, i64 0, !15, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!15 = !{!"long", !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"

@test_exit_result = external dso_local local_unnamed_addr global i32, align 4
@.str.4 = external hidden unnamed_addr constant [12 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@.str.5 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fflush(ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden i32 @test_block_cipher_128_inner(ptr noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local void @test_block_cipher_other(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = load ptr, ptr %1, align 8, !tbaa !5
  %5 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, ptr noundef %4)
  %6 = load ptr, ptr @stdout, align 8, !tbaa !11
  %7 = tail call i32 @fflush(ptr noundef %6)
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i64, ptr %8, align 8, !tbaa !12
  %10 = tail call noalias ptr @calloc(i64 noundef 1, i64 noundef %9) #4
  %.not = icmp eq ptr %10, null
  br i1 %.not, label %11, label %13

11:                                               ; preds = %3
  %12 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  store i32 1, ptr @test_exit_result, align 4, !tbaa !15
  br label %21

13:                                               ; preds = %3
  %14 = zext i32 %2 to i64
  %15 = tail call i32 @test_block_cipher_128_inner(ptr noundef nonnull %0, ptr noundef nonnull %1, ptr noundef nonnull %10, i64 noundef %14)
  %.not7 = icmp eq i32 %15, 0
  br i1 %.not7, label %18, label %16

16:                                               ; preds = %13
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6)
  br label %20

18:                                               ; preds = %13
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  store i32 1, ptr @test_exit_result, align 4, !tbaa !15
  br label %20

20:                                               ; preds = %18, %16
  tail call void @free(ptr noundef nonnull %10) #5
  br label %21

21:                                               ; preds = %20, %11
  ret void
}

attributes #0 = { nofree nounwind "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 = { mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #4 = { nounwind allocsize(0,1) }
attributes #5 = { 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, !7, i64 0}
!6 = !{!"", !7, i64 0, !8, i64 8, !10, i64 56, !8, i64 60, !8, i64 76}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !14, i64 8}
!13 = !{!"", !7, i64 0, !14, i64 8, !7, i64 16, !7, i64 24, !7, i64 32}
!14 = !{!"long", !8, i64 0}
!15 = !{!10, !10, i64 0}


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