; LLVM IR from xirc/cp-algorithm :: atcoder/abc178/C/main.ll (Z5solvei)

; 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z3powii(i32 noundef, i32 noundef) #0

; 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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_Z5solvei(i32 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = icmp sle i32 %9, 1
  br i1 %10, label %11, label %12

11:                                               ; preds = %1
  store i64 0, ptr %2, align 8
  br label %40

12:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = call noundef i64 @_Z3powii(i32 noundef 10, i32 noundef %13)
  store i64 %14, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = call noundef i64 @_Z3powii(i32 noundef 9, i32 noundef %15)
  %17 = mul nsw i64 %16, 2
  %18 = srem i64 %17, 1000000007
  store i64 %18, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = call noundef i64 @_Z3powii(i32 noundef 8, i32 noundef %19)
  store i64 %20, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %21 = load i64, ptr %4, align 8, !tbaa !9
  %22 = load i64, ptr %6, align 8, !tbaa !9
  %23 = add nsw i64 %21, %22
  %24 = srem i64 %23, 1000000007
  store i64 %24, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = load i64, ptr %5, align 8, !tbaa !9
  %27 = sub nsw i64 %25, %26
  %28 = srem i64 %27, 1000000007
  store i64 %28, ptr %8, align 8, !tbaa !9
  %29 = load i64, ptr %8, align 8, !tbaa !9
  %30 = icmp slt i64 %29, 0
  br i1 %30, label %31, label %35

31:                                               ; preds = %12
  %32 = load i64, ptr %8, align 8, !tbaa !9
  %33 = add nsw i64 %32, 1000000007
  %34 = srem i64 %33, 1000000007
  br label %37

35:                                               ; preds = %12
  %36 = load i64, ptr %8, align 8, !tbaa !9
  br label %37

37:                                               ; preds = %35, %31
  %38 = phi i64 [ %34, %31 ], [ %36, %35 ]
  store i64 %38, ptr %8, align 8, !tbaa !9
  %39 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %39, ptr %2, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  br label %40

40:                                               ; preds = %37, %11
  %41 = load i64, ptr %2, align 8
  ret i64 %41
}

attributes #0 = { mustprogress 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z3powii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i64 0, 1000000007) i64 @_Z5solvei(i32 noundef %0) local_unnamed_addr #0 {
  %2 = icmp slt i32 %0, 2
  br i1 %2, label %15, label %3

3:                                                ; preds = %1
  %4 = tail call noundef i64 @_Z3powii(i32 noundef 10, i32 noundef %0)
  %5 = tail call noundef i64 @_Z3powii(i32 noundef 9, i32 noundef %0)
  %6 = shl nsw i64 %5, 1
  %7 = srem i64 %6, 1000000007
  %8 = tail call noundef i64 @_Z3powii(i32 noundef 8, i32 noundef %0)
  %9 = add nsw i64 %8, %4
  %10 = srem i64 %9, 1000000007
  %11 = sub nsw i64 %10, %7
  %.lhs.trunc = trunc nsw i64 %11 to i32
  %12 = srem i32 %.lhs.trunc, 1000000007
  %.sext = sext i32 %12 to i64
  %13 = icmp slt i32 %12, 0
  %14 = add nsw i64 %.sext, 1000000007
  %spec.select = select i1 %13, i64 %14, i64 %.sext
  br label %15

15:                                               ; preds = %3, %1
  %.0 = phi i64 [ 0, %1 ], [ %spec.select, %3 ]
  ret i64 %.0
}

attributes #0 = { mustprogress 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: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass