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Eliminate the sizing template parameter N from CoalescingBitVector 

Since the parameter is not used anywhere, and the default size of 16
apparently causes PR47359, remove it. This ensures that IntervalMap will
automatically determine the optimal size, using its NodeSizer struct.

Reviewed By: dblaikie

Differential Revision: https://reviews.llvm.org/D87044
This commit is contained in:
Dimitry Andric 2020-09-02 18:56:12 +02:00
parent ddcc7ce591
commit f26fc56840
1 changed files with 3 additions and 4 deletions
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7
llvm/include/llvm/ADT/CoalescingBitVector.h
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@ -34,15 +34,14 @@ namespace llvm {
/// performance for non-sequential find() operations.
///
/// \tparam IndexT - The type of the index into the bitvector.
/// \tparam N - The first N coalesced intervals of set bits are stored in-place.
template <typename IndexT, unsigned N = 16> class CoalescingBitVector {
template <typename IndexT> class CoalescingBitVector {
static_assert(std::is_unsigned<IndexT>::value,
"Index must be an unsigned integer.");
using ThisT = CoalescingBitVector<IndexT, N>;
using ThisT = CoalescingBitVector<IndexT>;
/// An interval map for closed integer ranges. The mapped values are unused.
using MapT = IntervalMap<IndexT, char, N>;
using MapT = IntervalMap<IndexT, char>;
using UnderlyingIterator = typename MapT::const_iterator;