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

; 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"

; Function Attrs: nounwind uwtable
define dso_local void @RandomFunc(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [1 x i8], align 1
  %6 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 0
  %9 = load i8, ptr %8, align 1, !tbaa !9
  %10 = zext i8 %9 to i32
  %11 = xor i32 %10, 219
  %12 = trunc i32 %11 to i8
  %13 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %12, ptr %13, align 1, !tbaa !9
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %14

14:                                               ; preds = %61, %2
  %15 = load i8, ptr %6, align 1, !tbaa !9
  %16 = zext i8 %15 to i64
  %17 = icmp ult i64 %16, 1
  br i1 %17, label %18, label %66

18:                                               ; preds = %14
  %19 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %20 = load i8, ptr %19, align 1, !tbaa !9
  %21 = zext i8 %20 to i32
  %22 = load i8, ptr %6, align 1, !tbaa !9
  %23 = zext i8 %22 to i32
  %24 = icmp ne i32 %21, %23
  br i1 %24, label %25, label %42

25:                                               ; preds = %18
  %26 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %27 = load i8, ptr %26, align 1, !tbaa !9
  %28 = zext i8 %27 to i32
  %29 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %30 = load i8, ptr %29, align 1, !tbaa !9
  %31 = zext i8 %30 to i32
  %32 = ashr i32 %31, 2
  %33 = and i32 %32, 7
  %34 = sext i32 %33 to i64
  %35 = or i64 %34, 1
  %36 = trunc i64 %35 to i32
  %37 = shl i32 %28, %36
  %38 = trunc i32 %37 to i8
  %39 = load i8, ptr %6, align 1, !tbaa !9
  %40 = zext i8 %39 to i64
  %41 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %40
  store i8 %38, ptr %41, align 1, !tbaa !9
  br label %61

42:                                               ; preds = %18
  %43 = load i8, ptr %6, align 1, !tbaa !9
  %44 = zext i8 %43 to i64
  %45 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %44
  %46 = load i8, ptr %45, align 1, !tbaa !9
  %47 = zext i8 %46 to i32
  %48 = load i8, ptr %6, align 1, !tbaa !9
  %49 = zext i8 %48 to i64
  %50 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %49
  %51 = load i8, ptr %50, align 1, !tbaa !9
  %52 = zext i8 %51 to i32
  %53 = ashr i32 %52, 1
  %54 = and i32 %53, 7
  %55 = sext i32 %54 to i64
  %56 = or i64 %55, 1
  %57 = trunc i64 %56 to i32
  %58 = ashr i32 %47, %57
  %59 = trunc i32 %58 to i8
  %60 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %59, ptr %60, align 1, !tbaa !9
  br label %61

61:                                               ; preds = %42, %25
  %62 = load i8, ptr %6, align 1, !tbaa !9
  %63 = zext i8 %62 to i64
  %64 = add i64 %63, 2
  %65 = trunc i64 %64 to i8
  store i8 %65, ptr %6, align 1, !tbaa !9
  br label %14, !llvm.loop !10

66:                                               ; preds = %14
  %67 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %68 = load i8, ptr %67, align 1, !tbaa !9
  %69 = zext i8 %68 to i64
  %70 = or i64 %69, 1039116836
  %71 = and i64 %70, 235
  %72 = trunc i64 %71 to i8
  %73 = load ptr, ptr %4, align 8, !tbaa !5
  %74 = getelementptr inbounds i8, ptr %73, i64 0
  store i8 %72, ptr %74, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret void
}

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

; 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 = { 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}
!10 = distinct !{!10, !11}
!11 = !{!"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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = load i8, ptr %0, align 1, !tbaa !5
  %.not = icmp eq i8 %3, -37
  br i1 %.not, label %12, label %4

4:                                                ; preds = %2
  %5 = xor i8 %3, -37
  %6 = lshr i8 %5, 2
  %7 = and i8 %6, 6
  %8 = or disjoint i8 %7, 1
  %9 = shl i8 %5, %8
  %10 = and i8 %9, -54
  %11 = or disjoint i8 %10, 32
  br label %12

12:                                               ; preds = %2, %4
  %storemerge9.lcssa = phi i8 [ %11, %4 ], [ 32, %2 ]
  store i8 %storemerge9.lcssa, ptr %1, align 1, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass