; LLVM IR from Tiramisu-Compiler/tiramisu :: 3rdParty/isl/imath (imath)

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @mp_int_count_bits(ptr noundef) #1

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

13:                                               ; preds = %1
  %14 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %14, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %28

15:                                               ; preds = %1
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = add nsw i32 %16, 7
  %18 = sdiv i32 %17, 8
  store i32 %18, ptr %5, align 4, !tbaa !9
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = mul nsw i32 %19, 8
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = icmp eq i32 %20, %21
  br i1 %22, label %23, label %26

23:                                               ; preds = %15
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %5, align 4, !tbaa !9
  br label %26

26:                                               ; preds = %23, %15
  %27 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %27, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %28

28:                                               ; preds = %26, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %29 = load i32, ptr %2, align 4
  ret i32 %29
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @mp_int_unsigned_len(ptr noundef) #1

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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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: nounwind uwtable
declare dso_local i32 @mp_int_count_bits(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -2147483648, 268435457) i32 @mp_int_binary_len(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @mp_int_count_bits(ptr noundef %0)
  %3 = tail call i32 @mp_int_unsigned_len(ptr noundef %0)
  %4 = icmp slt i32 %2, 1
  br i1 %4, label %11, label %5

5:                                                ; preds = %1
  %6 = add nuw nsw i32 %2, 7
  %7 = lshr i32 %6, 3
  %8 = and i32 %6, 2147483640
  %9 = icmp eq i32 %8, %2
  %10 = zext i1 %9 to i32
  %spec.select = add nuw nsw i32 %7, %10
  br label %11

11:                                               ; preds = %1, %5
  %.09 = phi i32 [ %spec.select, %5 ], [ %2, %1 ]
  ret i32 %.09
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @mp_int_unsigned_len(ptr noundef) local_unnamed_addr #0

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" }

!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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass