; LLVM IR from lzyrapx/Competitive-Programming :: HDUOJ/5728.ll (Z3Calxx)

; 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"

@phi = external dso_local global [10000005 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z6PowModxxx(i64 noundef, i64 noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z3Calxx(i64 noundef %0, i64 noundef %1) #1 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i64 %6, 2
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = and i64 %9, 1
  store i64 %10, ptr %3, align 8
  br label %26

11:                                               ; preds = %2
  %12 = load i64, ptr %4, align 8, !tbaa !5
  %13 = load i64, ptr %4, align 8, !tbaa !5
  %14 = load i64, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds [10000005 x i32], ptr @phi, i64 0, i64 %14
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = sext i32 %16 to i64
  %18 = call noundef i64 @_Z3Calxx(i64 noundef %13, i64 noundef %17)
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds [10000005 x i32], ptr @phi, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = add nsw i64 %18, %22
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = call noundef i64 @_Z6PowModxxx(i64 noundef %12, i64 noundef %23, i64 noundef %24)
  store i64 %25, ptr %3, align 8
  br label %26

26:                                               ; preds = %11, %8
  %27 = load i64, ptr %3, align 8
  ret i64 %27
}

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 = { mustprogress 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple 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"

@phi = external dso_local local_unnamed_addr global [10000005 x i32], align 16

; 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 i64 @_Z3Calxx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq i64 %1, 2
  br i1 %3, label %common.ret, label %5

common.ret:                                       ; preds = %2
  %4 = and i64 %0, 1
  br label %common.ret9

common.ret9:                                      ; preds = %5, %common.ret
  %common.ret9.op = phi i64 [ %4, %common.ret ], [ %13, %5 ]
  ret i64 %common.ret9.op

5:                                                ; preds = %2
  %6 = getelementptr inbounds [10000005 x i32], ptr @phi, i64 0, i64 %1
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = tail call noundef i64 @_Z3Calxx(i64 noundef %0, i64 noundef %8)
  %10 = load i32, ptr %6, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = add nsw i64 %9, %11
  %13 = tail call noundef i64 @_Z6PowModxxx(i64 noundef %0, i64 noundef %12, i64 noundef %1)
  br label %common.ret9
}

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass