; LLVM IR from xirc/cp-algorithm :: spoj/zsum/main.ll (Z5solvexx)

; 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 @_Z6powmodxxx(i64 noundef, i64 noundef, i64 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 @_Z5solvexx(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store i64 10000007, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i64 0, ptr %6, align 8, !tbaa !5
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %8 = load i64, ptr %3, align 8, !tbaa !5
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = call noundef i64 @_Z6powmodxxx(i64 noundef %8, i64 noundef %9, i64 noundef 10000007)
  %11 = add nsw i64 %7, %10
  %12 = srem i64 %11, 10000007
  store i64 %12, ptr %6, align 8, !tbaa !5
  %13 = load i64, ptr %6, align 8, !tbaa !5
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = sub nsw i64 %14, 1
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = call noundef i64 @_Z6powmodxxx(i64 noundef %15, i64 noundef %16, i64 noundef 10000007)
  %18 = mul nsw i64 %17, 2
  %19 = add nsw i64 %13, %18
  %20 = srem i64 %19, 10000007
  store i64 %20, ptr %6, align 8, !tbaa !5
  %21 = load i64, ptr %6, align 8, !tbaa !5
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = call noundef i64 @_Z6powmodxxx(i64 noundef %22, i64 noundef %23, i64 noundef 10000007)
  %25 = add nsw i64 %21, %24
  %26 = srem i64 %25, 10000007
  store i64 %26, ptr %6, align 8, !tbaa !5
  %27 = load i64, ptr %6, align 8, !tbaa !5
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = sub nsw i64 %28, 1
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = sub nsw i64 %30, 1
  %32 = call noundef i64 @_Z6powmodxxx(i64 noundef %29, i64 noundef %31, i64 noundef 10000007)
  %33 = mul nsw i64 %32, 2
  %34 = add nsw i64 %27, %33
  %35 = srem i64 %34, 10000007
  store i64 %35, ptr %6, align 8, !tbaa !5
  %36 = load i64, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret i64 %36
}

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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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 @_Z6powmodxxx(i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i64 -10000006, 10000007) i64 @_Z5solvexx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = tail call noundef i64 @_Z6powmodxxx(i64 noundef %0, i64 noundef %1, i64 noundef 10000007)
  %4 = srem i64 %3, 10000007
  %5 = add nsw i64 %0, -1
  %6 = tail call noundef i64 @_Z6powmodxxx(i64 noundef %5, i64 noundef %1, i64 noundef 10000007)
  %7 = shl nsw i64 %6, 1
  %8 = add nsw i64 %7, %4
  %9 = srem i64 %8, 10000007
  %10 = tail call noundef i64 @_Z6powmodxxx(i64 noundef %0, i64 noundef %0, i64 noundef 10000007)
  %11 = add nsw i64 %9, %10
  %12 = srem i64 %11, 10000007
  %13 = tail call noundef i64 @_Z6powmodxxx(i64 noundef %5, i64 noundef %5, i64 noundef 10000007)
  %14 = shl nsw i64 %13, 1
  %15 = add nsw i64 %12, %14
  %16 = srem i64 %15, 10000007
  ret i64 %16
}

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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,TailCallElimPass