; LLVM IR from Zunawe/md5-c :: main (print_hash)

; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @print_hash(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %16, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = icmp ult i32 %5, 16
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %19

8:                                                ; preds = %4
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = load i32, ptr %3, align 4, !tbaa !9
  %11 = zext i32 %10 to i64
  %12 = getelementptr inbounds i8, ptr %9, i64 %11
  %13 = load i8, ptr %12, align 1, !tbaa !11
  %14 = zext i8 %13 to i32
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %14)
  br label %16

16:                                               ; preds = %8
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = add i32 %17, 1
  store i32 %18, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !12

19:                                               ; preds = %7
  %20 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  ret void
}

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

declare i32 @printf(ptr noundef, ...) #2

; 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 = !{!"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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local void @print_hash(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load i8, ptr %0, align 1, !tbaa !5
  %3 = zext i8 %2 to i32
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %3)
  %5 = getelementptr inbounds i8, ptr %0, i64 1
  %6 = load i8, ptr %5, align 1, !tbaa !5
  %7 = zext i8 %6 to i32
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %7)
  %9 = getelementptr inbounds i8, ptr %0, i64 2
  %10 = load i8, ptr %9, align 1, !tbaa !5
  %11 = zext i8 %10 to i32
  %12 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %11)
  %13 = getelementptr inbounds i8, ptr %0, i64 3
  %14 = load i8, ptr %13, align 1, !tbaa !5
  %15 = zext i8 %14 to i32
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %15)
  %17 = getelementptr inbounds i8, ptr %0, i64 4
  %18 = load i8, ptr %17, align 1, !tbaa !5
  %19 = zext i8 %18 to i32
  %20 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %19)
  %21 = getelementptr inbounds i8, ptr %0, i64 5
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = zext i8 %22 to i32
  %24 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %23)
  %25 = getelementptr inbounds i8, ptr %0, i64 6
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = zext i8 %26 to i32
  %28 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %27)
  %29 = getelementptr inbounds i8, ptr %0, i64 7
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = zext i8 %30 to i32
  %32 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %31)
  %33 = getelementptr inbounds i8, ptr %0, i64 8
  %34 = load i8, ptr %33, align 1, !tbaa !5
  %35 = zext i8 %34 to i32
  %36 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %35)
  %37 = getelementptr inbounds i8, ptr %0, i64 9
  %38 = load i8, ptr %37, align 1, !tbaa !5
  %39 = zext i8 %38 to i32
  %40 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %39)
  %41 = getelementptr inbounds i8, ptr %0, i64 10
  %42 = load i8, ptr %41, align 1, !tbaa !5
  %43 = zext i8 %42 to i32
  %44 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %43)
  %45 = getelementptr inbounds i8, ptr %0, i64 11
  %46 = load i8, ptr %45, align 1, !tbaa !5
  %47 = zext i8 %46 to i32
  %48 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %47)
  %49 = getelementptr inbounds i8, ptr %0, i64 12
  %50 = load i8, ptr %49, align 1, !tbaa !5
  %51 = zext i8 %50 to i32
  %52 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %51)
  %53 = getelementptr inbounds i8, ptr %0, i64 13
  %54 = load i8, ptr %53, align 1, !tbaa !5
  %55 = zext i8 %54 to i32
  %56 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %55)
  %57 = getelementptr inbounds i8, ptr %0, i64 14
  %58 = load i8, ptr %57, align 1, !tbaa !5
  %59 = zext i8 %58 to i32
  %60 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %59)
  %61 = getelementptr inbounds i8, ptr %0, i64 15
  %62 = load i8, ptr %61, align 1, !tbaa !5
  %63 = zext i8 %62 to i32
  %64 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %63)
  %65 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { nofree 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 = { 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" }

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


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass