; 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 = or i64 %10, 51238316
  %12 = lshr i64 %11, 3
  %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 %51

23:                                               ; preds = %15
  %24 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %25 = load i8, ptr %24, align 1, !tbaa !9
  %26 = zext i8 %25 to i32
  %27 = ashr i32 %26, 3
  %28 = and i32 %27, 7
  %29 = sext i32 %28 to i64
  %30 = or i64 %29, 1
  %31 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %32 = load i8, ptr %31, align 1, !tbaa !9
  %33 = zext i8 %32 to i32
  %34 = trunc i64 %30 to i32
  %35 = shl i32 %33, %34
  %36 = trunc i32 %35 to i8
  store i8 %36, ptr %31, align 1, !tbaa !9
  %37 = load i8, ptr %6, align 1, !tbaa !9
  %38 = zext i8 %37 to i64
  %39 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %38
  %40 = load i8, ptr %39, align 1, !tbaa !9
  %41 = zext i8 %40 to i32
  %42 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %43 = load i8, ptr %42, align 1, !tbaa !9
  %44 = zext i8 %43 to i32
  %45 = xor i32 %44, %41
  %46 = trunc i32 %45 to i8
  store i8 %46, ptr %42, align 1, !tbaa !9
  %47 = load i8, ptr %6, align 1, !tbaa !9
  %48 = zext i8 %47 to i64
  %49 = add i64 %48, 2
  %50 = trunc i64 %49 to i8
  store i8 %50, ptr %6, align 1, !tbaa !9
  br label %15, !llvm.loop !10

51:                                               ; preds = %15
  %52 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %53 = load i8, ptr %52, align 1, !tbaa !9
  %54 = zext i8 %53 to i64
  %55 = xor i64 %54, 736209367
  %56 = shl i64 %55, 5
  %57 = trunc i64 %56 to i8
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  %59 = getelementptr inbounds i8, ptr %58, i64 0
  store i8 %57, ptr %59, 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 = shl i8 %2, 2
  %4 = and i8 %3, 64
  %5 = xor i8 %4, 64
  %6 = getelementptr inbounds i8, ptr %0, i64 1
  %7 = load i8, ptr %6, align 1, !tbaa !5
  %.not = icmp eq i8 %7, 0
  %.sroa.0.0.lcssa = select i1 %.not, i8 %5, i8 -32
  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: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopFullUnrollPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass