; 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 i64
  %11 = add i64 %10, 914778474
  %12 = xor i64 %11, 11
  %13 = trunc i64 %12 to i8
  %14 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %13, ptr %14, align 1, !tbaa !9
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %15

15:                                               ; preds = %23, %2
  %16 = load i8, ptr %6, align 1, !tbaa !9
  %17 = zext i8 %16 to i32
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds i8, ptr %18, i64 1
  %20 = load i8, ptr %19, align 1, !tbaa !9
  %21 = zext i8 %20 to i32
  %22 = icmp slt i32 %17, %21
  br i1 %22, label %23, label %50

23:                                               ; preds = %15
  %24 = load i8, ptr %6, align 1, !tbaa !9
  %25 = zext i8 %24 to i64
  %26 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !9
  %28 = zext i8 %27 to i32
  %29 = and i32 %28, 31
  %30 = shl i32 %29, 4
  %31 = load i8, ptr %6, align 1, !tbaa !9
  %32 = zext i8 %31 to i64
  %33 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %32
  %34 = load i8, ptr %33, align 1, !tbaa !9
  %35 = zext i8 %34 to i32
  %36 = or i32 %35, %30
  %37 = trunc i32 %36 to i8
  store i8 %37, ptr %33, align 1, !tbaa !9
  %38 = load i8, ptr %6, align 1, !tbaa !9
  %39 = zext i8 %38 to i64
  %40 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %39
  %41 = load i8, ptr %40, align 1, !tbaa !9
  %42 = zext i8 %41 to i32
  %43 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %44 = load i8, ptr %43, align 1, !tbaa !9
  %45 = zext i8 %44 to i32
  %46 = sub nsw i32 %45, %42
  %47 = trunc i32 %46 to i8
  store i8 %47, ptr %43, align 1, !tbaa !9
  %48 = load i8, ptr %6, align 1, !tbaa !9
  %49 = add i8 %48, 1
  store i8 %49, ptr %6, align 1, !tbaa !9
  br label %15, !llvm.loop !10

50:                                               ; preds = %15
  %51 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %52 = load i8, ptr %51, align 1, !tbaa !9
  %53 = zext i8 %52 to i64
  %54 = add i64 %53, 237763669
  %55 = add i64 %54, 128
  %56 = trunc i64 %55 to i8
  %57 = load ptr, ptr %4, align 8, !tbaa !5
  %58 = getelementptr inbounds i8, ptr %57, i64 0
  store i8 %56, ptr %58, 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: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
.peel.begin:
  %2 = load i8, ptr %0, align 1, !tbaa !5
  %3 = add i8 %2, 106
  %4 = xor i8 %3, 11
  %5 = add i8 %4, -43
  %6 = getelementptr inbounds i8, ptr %0, i64 1
  %7 = load i8, ptr %6, align 1, !tbaa !5
  %exitcond.peel.not = icmp eq i8 %7, 0
  %.sroa.0.0.lcssa = select i1 %exitcond.peel.not, i8 %5, i8 -43
  store i8 %.sroa.0.0.lcssa, ptr %1, align 1, !tbaa !5
  ret void
}

attributes #0 = { nofree norecurse nosync nounwind 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopFullUnrollPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass