; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2007-08/treasure.ll (ZN5modOp2poEiii)

; 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 i32 @_ZN5modOp3mulEiii(i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN5modOp2poEiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  %7 = load i32, ptr %5, align 4, !tbaa !5
  %8 = icmp ne i32 %7, 0
  br i1 %8, label %10, label %9

9:                                                ; preds = %3
  br label %29

10:                                               ; preds = %3
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = call noundef i32 @_ZN5modOp3mulEiii(i32 noundef %11, i32 noundef %12, i32 noundef %13)
  %15 = load i32, ptr %5, align 4, !tbaa !5
  %16 = sdiv i32 %15, 2
  %17 = load i32, ptr %6, align 4, !tbaa !5
  %18 = call noundef i32 @_ZN5modOp2poEiii(i32 noundef %14, i32 noundef %16, i32 noundef %17)
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = and i32 %19, 1
  %21 = icmp ne i32 %20, 0
  br i1 %21, label %22, label %24

22:                                               ; preds = %10
  %23 = load i32, ptr %4, align 4, !tbaa !5
  br label %25

24:                                               ; preds = %10
  br label %25

25:                                               ; preds = %24, %22
  %26 = phi i32 [ %23, %22 ], [ 1, %24 ]
  %27 = load i32, ptr %6, align 4, !tbaa !5
  %28 = call noundef i32 @_ZN5modOp3mulEiii(i32 noundef %18, i32 noundef %26, i32 noundef %27)
  br label %29

29:                                               ; preds = %25, %9
  %30 = phi i32 [ 1, %9 ], [ %28, %25 ]
  ret i32 %30
}

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 = !{!"int", !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 i32 @_ZN5modOp3mulEiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN5modOp2poEiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %common.ret10, label %4

common.ret10:                                     ; preds = %3, %4
  %common.ret10.op = phi i32 [ %10, %4 ], [ 1, %3 ]
  ret i32 %common.ret10.op

4:                                                ; preds = %3
  %5 = tail call noundef i32 @_ZN5modOp3mulEiii(i32 noundef %0, i32 noundef %0, i32 noundef %2)
  %6 = sdiv i32 %1, 2
  %7 = tail call noundef i32 @_ZN5modOp2poEiii(i32 noundef %5, i32 noundef %6, i32 noundef %2)
  %8 = and i32 %1, 1
  %.not9 = icmp eq i32 %8, 0
  %9 = select i1 %.not9, i32 1, i32 %0
  %10 = tail call noundef i32 @_ZN5modOp3mulEiii(i32 noundef %7, i32 noundef %9, i32 noundef %2)
  br label %common.ret10
}

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: GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass