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Introduce needsCleanup() for APFloat and APInt.

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This is needed in clang so one can check if the object needs the
destructor called after its memory was freed. This is useful when
creating many APInt/APFloat objects with placement new, where the
overhead of tracking the pointers for cleanup is significant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183100 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manuel Klimek
2013-06-03 13:03:05 +00:00
parent e7cbb792c9
commit abff3aa821
3 changed files with 8 additions and 2 deletions
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2
lib/Support/APFloat.cpp
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@ -580,7 +580,7 @@ APFloat::initialize(const fltSemantics *ourSemantics)
void
APFloat::freeSignificand()
{
if (partCount() > 1)
if (needsCleanup())
delete [] significand.parts;
}