; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @RandomFunc(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [1 x i8], align 1
  %6 = alloca i8, align 1
  %7 = 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
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #2
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 0
  %10 = load i8, ptr %9, align 1, !tbaa !9
  %11 = zext i8 %10 to i64
  %12 = and i64 %11, 914778474
  %13 = shl i64 %12, 7
  %14 = trunc i64 %13 to i8
  %15 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  store i8 %14, ptr %15, align 1, !tbaa !9
  store i8 0, ptr %7, align 1, !tbaa !9
  br label %16

16:                                               ; preds = %83, %2
  %17 = load i8, ptr %7, align 1, !tbaa !9
  %18 = zext i8 %17 to i64
  %19 = icmp ult i64 %18, 1
  br i1 %19, label %20, label %86

20:                                               ; preds = %16
  store i8 0, ptr %6, align 1, !tbaa !9
  br label %21

21:                                               ; preds = %78, %20
  %22 = load i8, ptr %6, align 1, !tbaa !9
  %23 = zext i8 %22 to i64
  %24 = icmp ult i64 %23, 1
  br i1 %24, label %25, label %83

25:                                               ; preds = %21
  %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 = load i8, ptr %6, align 1, !tbaa !9
  %30 = zext i8 %29 to i32
  %31 = load i8, ptr %7, align 1, !tbaa !9
  %32 = zext i8 %31 to i32
  %33 = ashr i32 %32, 1
  %34 = and i32 %33, 7
  %35 = sext i32 %34 to i64
  %36 = or i64 %35, 1
  %37 = trunc i64 %36 to i32
  %38 = shl i32 %30, %37
  %39 = icmp sgt i32 %28, %38
  br i1 %39, label %40, label %61

40:                                               ; preds = %25
  %41 = load i8, ptr %7, align 1, !tbaa !9
  %42 = zext i8 %41 to i64
  %43 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %42
  %44 = load i8, ptr %43, align 1, !tbaa !9
  %45 = zext i8 %44 to i32
  %46 = load i8, ptr %7, align 1, !tbaa !9
  %47 = zext i8 %46 to i64
  %48 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %47
  %49 = load i8, ptr %48, align 1, !tbaa !9
  %50 = zext i8 %49 to i32
  %51 = ashr i32 %50, 4
  %52 = and i32 %51, 7
  %53 = sext i32 %52 to i64
  %54 = or i64 %53, 1
  %55 = trunc i64 %54 to i32
  %56 = ashr i32 %45, %55
  %57 = trunc i32 %56 to i8
  %58 = load i8, ptr %6, align 1, !tbaa !9
  %59 = zext i8 %58 to i64
  %60 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %59
  store i8 %57, ptr %60, align 1, !tbaa !9
  br label %78

61:                                               ; preds = %25
  %62 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %63 = load i8, ptr %62, align 1, !tbaa !9
  %64 = zext i8 %63 to i32
  %65 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %66 = load i8, ptr %65, align 1, !tbaa !9
  %67 = zext i8 %66 to i32
  %68 = ashr i32 %67, 3
  %69 = and i32 %68, 7
  %70 = sext i32 %69 to i64
  %71 = or i64 %70, 1
  %72 = trunc i64 %71 to i32
  %73 = ashr i32 %64, %72
  %74 = trunc i32 %73 to i8
  %75 = load i8, ptr %6, align 1, !tbaa !9
  %76 = zext i8 %75 to i64
  %77 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 %76
  store i8 %74, ptr %77, align 1, !tbaa !9
  br label %78

78:                                               ; preds = %61, %40
  %79 = load i8, ptr %6, align 1, !tbaa !9
  %80 = zext i8 %79 to i64
  %81 = add i64 %80, 2
  %82 = trunc i64 %81 to i8
  store i8 %82, ptr %6, align 1, !tbaa !9
  br label %21, !llvm.loop !10

83:                                               ; preds = %21
  %84 = load i8, ptr %7, align 1, !tbaa !9
  %85 = add i8 %84, 1
  store i8 %85, ptr %7, align 1, !tbaa !9
  br label %16, !llvm.loop !12

86:                                               ; preds = %16
  %87 = getelementptr inbounds [1 x i8], ptr %5, i64 0, i64 0
  %88 = load i8, ptr %87, align 1, !tbaa !9
  %89 = zext i8 %88 to i64
  %90 = or i64 %89, 443658316
  %91 = trunc i64 %90 to i8
  %92 = load ptr, ptr %4, align 8, !tbaa !5
  %93 = getelementptr inbounds i8, ptr %92, i64 0
  store i8 %91, ptr %93, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #2
  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.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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"}
!12 = distinct !{!12, !11}


; 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: write) uwtable
define dso_local void @RandomFunc(ptr nocapture noundef readnone %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
.critedge:
  store i8 76, ptr %1, align 1, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass