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The current pattern for extract bits in range is typically: Mask.lshr(BitOffset).trunc(SubSizeInBits); Which can be particularly slow for large APInts (MaskSizeInBits > 64) as they require the allocation of memory for the temporary variable. This is another of the compile time issues identified in PR32037 (see also D30265). This patch adds the APInt::extractBits() helper method which avoids the temporary memory allocation. Differential Revision: https://reviews.llvm.org/D30336 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@296272 91177308-0d34-0410-b5e6-96231b3b80d8 |
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.. | ||
APFloatTest.cpp | ||
APIntTest.cpp | ||
APSIntTest.cpp | ||
ArrayRefTest.cpp | ||
BitmaskEnumTest.cpp | ||
BitVectorTest.cpp | ||
BumpPtrListTest.cpp | ||
CMakeLists.txt | ||
DAGDeltaAlgorithmTest.cpp | ||
DeltaAlgorithmTest.cpp | ||
DenseMapTest.cpp | ||
DenseSetTest.cpp | ||
DepthFirstIteratorTest.cpp | ||
FoldingSet.cpp | ||
FunctionRefTest.cpp | ||
HashingTest.cpp | ||
IListBaseTest.cpp | ||
IListIteratorTest.cpp | ||
IListNodeBaseTest.cpp | ||
IListNodeTest.cpp | ||
IListSentinelTest.cpp | ||
IListTest.cpp | ||
ImmutableMapTest.cpp | ||
ImmutableSetTest.cpp | ||
IntEqClassesTest.cpp | ||
IntervalMapTest.cpp | ||
IntrusiveRefCntPtrTest.cpp | ||
IteratorTest.cpp | ||
MakeUniqueTest.cpp | ||
MapVectorTest.cpp | ||
OptionalTest.cpp | ||
PackedVectorTest.cpp | ||
PointerEmbeddedIntTest.cpp | ||
PointerIntPairTest.cpp | ||
PointerSumTypeTest.cpp | ||
PointerUnionTest.cpp | ||
PostOrderIteratorTest.cpp | ||
PriorityWorklistTest.cpp | ||
RangeAdapterTest.cpp | ||
ReverseIterationTest.cpp | ||
SCCIteratorTest.cpp | ||
ScopeExitTest.cpp | ||
SequenceTest.cpp | ||
SetVectorTest.cpp | ||
SimpleIListTest.cpp | ||
SmallPtrSetTest.cpp | ||
SmallStringTest.cpp | ||
SmallVectorTest.cpp | ||
SparseBitVectorTest.cpp | ||
SparseMultiSetTest.cpp | ||
SparseSetTest.cpp | ||
STLExtrasTest.cpp | ||
StringExtrasTest.cpp | ||
StringMapTest.cpp | ||
StringRefTest.cpp | ||
StringSwitchTest.cpp | ||
TestGraph.h | ||
TinyPtrVectorTest.cpp | ||
TripleTest.cpp | ||
TwineTest.cpp | ||
VariadicFunctionTest.cpp |