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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7, llvmorg-15.0.6, llvmorg-15.0.5, llvmorg-15.0.4, llvmorg-15.0.3, working, llvmorg-15.0.2, llvmorg-15.0.1, llvmorg-15.0.0, llvmorg-15.0.0-rc3, llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init, llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4, llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4 |
| #
e18ea6f2 |
| 23-Sep-2021 |
Duncan P. N. Exon Smith <dexonsmith@apple.com> |
Support: Skip buffering buffer_unique_ostream's owned stream
Change buffer_unique_ostream's constructor to call
raw_ostream::SetUnbuffered() on its owned stream. Otherwise,
buffer_unique_ostream's d
Support: Skip buffering buffer_unique_ostream's owned stream
Change buffer_unique_ostream's constructor to call
raw_ostream::SetUnbuffered() on its owned stream. Otherwise,
buffer_unique_ostream's destructor could cause the owned stream to
temporarily allocate a buffer only to be immediately flushed.
Also add some tests for buffer_ostream and buffer_unique_ostream. Use
the same naming scheme as other raw_ostream-related tests (e.g.,
`raw_ostreamTest` for the fixture, `raw_ostream_test.cpp` for the
filename).
(I considered changing buffer_ostream in the same way (calling
SetUnbuffered on the referenced stream), but that seemed like overreach
since the client may have more things to write.)
(I considered merging buffer_ostream and buffer_unique_ostream into a
single class (with a `raw_ostream&` and a `std::unique_ptr` that is only
sometimes used), but that makes the class bigger and the small amount of
code deduplication seems uncompelling.)
Differential Revision: https://reviews.llvm.org/D110369
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