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[libc] remove modulo from CircularArrayRef iterator

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This commit is contained in:
Guillaume Chatelet
2021-01-06 12:03:34 +00:00
parent dfcb872c3e
commit 223a6f94c5
1 changed files with 6 additions and 2 deletions
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8
libc/benchmarks/LibcBenchmark.h
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@@ -275,17 +275,21 @@ public:
: public std::iterator<std::input_iterator_tag, T, ssize_t> {
llvm::ArrayRef<T> Array;
size_t Index;
size_t Offset;
public:
explicit const_iterator(llvm::ArrayRef<T> Array, size_t Index = 0)
: Array(Array), Index(Index) {}
: Array(Array), Index(Index), Offset(Index % Array.size()) {}
const_iterator &operator++() {
++Index;
++Offset;
if (Offset == Array.size())
Offset = 0;
return *this;
}
bool operator==(const_iterator Other) const { return Index == Other.Index; }
bool operator!=(const_iterator Other) const { return !(*this == Other); }
const T &operator*() const { return Array[Index % Array.size()]; }
const T &operator*() const { return Array[Offset]; }
};
CircularArrayRef(llvm::ArrayRef<T> Array, size_t Size)