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Fixes #111546
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Co-authored-by: alyyelashram <150528548+alyyelashram@users.noreply.github.com>
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Relates to
https://github.com/llvm/llvm-project/issues/119281#issuecomment-2699470459
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This reverts commit 1e6e845d49a336e9da7ca6c576ec45c0b419b5f6 because it
changed the 1st parameter of adjust() to be unsigned, but libc itself
calls adjust() with a negative argument in align_backward() in
op_generic.h.
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Relates to: #119281
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This is a part of #97655.
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declaration" (#98593)
Reverts llvm/llvm-project#98075
bots are broken
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This is a part of #97655.
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This patch adds tests for `memcpy` and `memset` making sure that we
don't access buffers out of bounds. It relies on POSIX `mmap` /
`mprotect` and works only when FULL_BUILD_MODE is disabled.
The bug showed up while enabling software prefetching.
`loop_and_tail_offset` is always running at least one iteration but in
some configurations loop unrolled prefetching was actually needing only
the tail operation and no loop iterations at all.
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This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
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Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D151450
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This part of the effort to make all test related pieces into the `test`
directory. This helps is excluding test related pieces in a straight
forward manner if LLVM_INCLUDE_TESTS is OFF. Future patches will also move
the MPFR wrapper and testutils into the 'test' directory.
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This patch extracts the testing logic from `op_tests.cpp` into
`memory_check_utils.h` so we can reuse it for mem* function integration
tests.
This makes testing consistent and thorough.
For instance this catches a bug that got unnoticed during submission of
D136595 and D135134. Integration test for memcmp was only testing a
single size.
This also leverages ASAN to make sure that data is not read / written
outside permitted boundaries
Differential Revision: https://reviews.llvm.org/D136865
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This is a reland of https://reviews.llvm.org/D130773
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This reverts commit 7add0e5fdc5c7cb6f59f60cd436bf161cf9f9eb7.
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Migrating all private STL code to the standard STL case but keeping it under the CPP namespace to avoid confusion.
Differential Revision: https://reviews.llvm.org/D130773
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Apply the formatting rules that were applied to the libc/src directory
to the libc/test directory, as well as the files in libc/utils that are
included by the tests. This does not include automated enforcement.
Reviewed By: sivachandra, lntue
Differential Revision: https://reviews.llvm.org/D116127
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The idea is to move all pieces related to the actual libc sources to the
"src" directory. This allows downstream users to ship and build just the
"src" directory.
Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D112653
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Summary:
Having a consistent prefix makes selecting all of the llvm libc tests
easier on any platform that is also using the gtest framework.
This also modifies the TEST and TEST_F macros to enforce this change
moving forward.
Reviewers: sivachandra
Subscribers:
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Summary: This patch adds general purpose `memset` and `bzero` implementations.
Reviewers: sivachandra, abrachet
Subscribers: mgorny, tschuett, ecnelises, libc-commits, courbet
Tags: #libc-project
Differential Revision: https://reviews.llvm.org/D80010
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