; LLVM IR from tum-i4/obfuscation-benchmarks :: tigress-generated-programs (main)

; 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 [37 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [1 x i8], align 1
  %7 = alloca [1 x i8], align 1
  %8 = alloca i32, align 4
  %9 = alloca i8, align 1
  %10 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  call void @megaInit()
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = icmp ne i32 %11, 2
  br i1 %12, label %13, label %15

13:                                               ; preds = %2
  %14 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef 1)
  call void @exit(i32 noundef -1) #5
  unreachable

15:                                               ; preds = %2
  br label %16

16:                                               ; preds = %15
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %20, %16
  %18 = load i32, ptr %8, align 4, !tbaa !5
  %19 = icmp slt i32 %18, 1
  br i1 %19, label %20, label %35

20:                                               ; preds = %17
  %21 = load ptr, ptr %5, align 8, !tbaa !9
  %22 = load i32, ptr %8, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds ptr, ptr %21, i64 %24
  %26 = load ptr, ptr %25, align 8, !tbaa !9
  %27 = call i64 @strtoul(ptr noundef %26, ptr noundef null, i32 noundef 10)
  %28 = trunc i64 %27 to i8
  store i8 %28, ptr %9, align 1, !tbaa !11
  %29 = load i8, ptr %9, align 1, !tbaa !11
  %30 = load i32, ptr %8, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [1 x i8], ptr %6, i64 0, i64 %31
  store i8 %29, ptr %32, align 1, !tbaa !11
  %33 = load i32, ptr %8, align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %8, align 4, !tbaa !5
  br label %17, !llvm.loop !12

35:                                               ; preds = %17
  %36 = getelementptr inbounds [1 x i8], ptr %6, i64 0, i64 0
  %37 = getelementptr inbounds [1 x i8], ptr %7, i64 0, i64 0
  call void @RandomFunc(ptr noundef %36, ptr noundef %37)
  %38 = getelementptr inbounds [1 x i8], ptr %7, i64 0, i64 0
  %39 = load i8, ptr %38, align 1, !tbaa !11
  %40 = zext i8 %39 to i32
  %41 = icmp eq i32 %40, 137
  br i1 %41, label %42, label %44

42:                                               ; preds = %35
  %43 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  br label %45

44:                                               ; preds = %35
  br label %45

45:                                               ; preds = %44, %42
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %46

46:                                               ; preds = %49, %45
  %47 = load i32, ptr %10, align 4, !tbaa !5
  %48 = icmp slt i32 %47, 1
  br i1 %48, label %49, label %58

49:                                               ; preds = %46
  %50 = load i32, ptr %10, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [1 x i8], ptr %7, i64 0, i64 %51
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = zext i8 %53 to i32
  %55 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %54)
  %56 = load i32, ptr %10, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %10, align 4, !tbaa !5
  br label %46, !llvm.loop !14

58:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  %59 = load i32, ptr %3, align 4
  ret i32 %59
}

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

; Function Attrs: nounwind uwtable
declare dso_local void @megaInit() #0

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

; Function Attrs: noreturn
declare void @exit(i32 noundef) #3

declare i64 @strtoul(ptr noundef, ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @RandomFunc(ptr noundef, ptr 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 = { noreturn "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 }
attributes #5 = { noreturn }

!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}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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 [37 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = alloca [1 x i8], align 1
  %4 = alloca [1 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  tail call void @megaInit()
  %.not = icmp eq i32 %0, 2
  br i1 %.not, label %.critedge, label %5

5:                                                ; preds = %2
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 1)
  tail call void @exit(i32 noundef -1) #6
  unreachable

.critedge:                                        ; preds = %2
  %7 = getelementptr inbounds i8, ptr %1, i64 8
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = tail call i64 @strtoul(ptr nocapture noundef %8, ptr noundef null, i32 noundef 10)
  %10 = trunc i64 %9 to i8
  store i8 %10, ptr %3, align 1, !tbaa !9
  call void @RandomFunc(ptr noundef nonnull %3, ptr noundef nonnull %4)
  %11 = load i8, ptr %4, align 1, !tbaa !9
  %12 = icmp eq i8 %11, -119
  br i1 %12, label %13, label %.critedge12

13:                                               ; preds = %.critedge
  %14 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  %.pre = load i8, ptr %4, align 1, !tbaa !9
  br label %.critedge12

.critedge12:                                      ; preds = %.critedge, %13
  %15 = phi i8 [ %11, %.critedge ], [ %.pre, %13 ]
  %16 = zext i8 %15 to i32
  %17 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %16)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  ret i32 0
}

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

; Function Attrs: nounwind uwtable
declare dso_local void @megaInit() local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: noreturn
declare void @exit(i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nofree nounwind willreturn
declare i64 @strtoul(ptr noundef readonly, ptr nocapture noundef, i32 noundef) local_unnamed_addr #4

; Function Attrs: nounwind uwtable
declare dso_local void @RandomFunc(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { noreturn "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 = { mustprogress nofree nounwind willreturn "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 = { noreturn 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 = !{!7, !7, i64 0}


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