; LLVM IR from openssl/openssl :: test (bio_readbuffer_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"

@filename = external hidden global ptr, align 8
@.str.15 = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @setup_tests() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  br label %4

4:                                                ; preds = %11, %0
  %5 = call i32 @opt_next()
  store i32 %5, ptr %2, align 4, !tbaa !5
  %6 = icmp ne i32 %5, 0
  br i1 %6, label %7, label %12

7:                                                ; preds = %4
  %8 = load i32, ptr %2, align 4, !tbaa !5
  switch i32 %8, label %10 [
    i32 500, label %9
    i32 501, label %9
    i32 502, label %9
    i32 503, label %9
    i32 504, label %9
    i32 505, label %9
  ]

9:                                                ; preds = %7, %7, %7, %7, %7, %7
  br label %11

10:                                               ; preds = %7
  store i32 0, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %14

11:                                               ; preds = %9
  br label %4, !llvm.loop !9

12:                                               ; preds = %4
  %13 = call ptr @test_get_argument(i64 noundef 0)
  store ptr %13, ptr @filename, align 8, !tbaa !11
  call void @add_all_tests(ptr noundef @.str.15, ptr noundef @test_readbuffer_file_bio, i32 noundef 3, i32 noundef 1)
  store i32 1, ptr %1, align 4
  store i32 1, ptr %3, align 4
  br label %14

14:                                               ; preds = %12, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  %15 = load i32, ptr %1, align 4
  ret i32 %15
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @opt_next() #2

declare ptr @test_get_argument(i64 noundef) #2

declare void @add_all_tests(ptr noundef, ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @test_readbuffer_file_bio(i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@filename = external hidden local_unnamed_addr global ptr, align 8
@.str.15 = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @setup_tests() local_unnamed_addr #0 {
  br label %1

1:                                                ; preds = %.backedge, %0
  %2 = tail call i32 @opt_next() #2
  switch i32 %2, label %.loopexit [
    i32 0, label %3
    i32 500, label %.backedge
    i32 501, label %.backedge
    i32 502, label %.backedge
    i32 503, label %.backedge
    i32 504, label %.backedge
    i32 505, label %.backedge
  ]

.backedge:                                        ; preds = %1, %1, %1, %1, %1, %1
  br label %1, !llvm.loop !5

3:                                                ; preds = %1
  %4 = tail call ptr @test_get_argument(i64 noundef 0) #2
  store ptr %4, ptr @filename, align 8, !tbaa !7
  tail call void @add_all_tests(ptr noundef nonnull @.str.15, ptr noundef nonnull @test_readbuffer_file_bio, i32 noundef 3, i32 noundef 1) #2
  br label %.loopexit

.loopexit:                                        ; preds = %1, %3
  %.0 = phi i32 [ 1, %3 ], [ 0, %1 ]
  ret i32 %.0
}

declare i32 @opt_next() local_unnamed_addr #1

declare ptr @test_get_argument(i64 noundef) local_unnamed_addr #1

declare void @add_all_tests(ptr noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden i32 @test_readbuffer_file_bio(i32 noundef) #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" }
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 }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass