We use a bump pointer to implement malloc for the hermetic tests.
Currently, we bump the pointer up by any amount. This means that calling
`malloc(1)` will misalign the buffer so any following `malloc(8)`
accesses will not be aligned. This causes problems in architectures
which require alignment.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D149863
The previous patches added the necessary support for global constructors
used to register tests. This patch enables the NVPTX target to build
and run the unit tests on the GPU. Currently this only tests the ctype
tests, but adding more should be straightforward from here on.
This ran all the ctest unit tests when run on an sm_70.
Depends on D149517 D149527
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D149532
The previous patches added the necessary support for global constructors
used to register tests. This patch enables the AMDGPU target to build
and run the unit tests on the GPU. Currently this only tests the `ctype`
tests, but adding more should be straightforward from here on.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D149517
We got rid of the rounding mode here so that the hermetic tests wouldn't
depend on the system fenv.h. But this seemed to cause some bots to
break. Getting rid of this change for now, it should be fine for the CPU
builds.
Differential Revision: https://reviews.llvm.org/D149767
The FPEceptMatcher.cpp file uses system utilities and includes C++
libraries. This patch pulls it out of the main `FPTestHelpers` target so
we can exclude it from hermetic only tests.
Depends on D149705
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D149745
This changes the `stdlib` tests to the new `add_libc_test` framework.
This applies to all but the exit tests.
Depends on D149691
Reviewed By: sivachandra, michaelrj
Differential Revision: https://reviews.llvm.org/D149705
This changes over the string unit tests to the new `add_libc_test`
framework. The one test that wasn't changes was the memory utils because
it overran the static buffer used for the hermetic test's bump pointer.
Depends on D149656
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D149662
This patch addresses some of the flags and features that are currently
missing from the hermetic test support. This mostly just fixes the
`add_libc_test` option failing to find a few dependencies or missing
arguments from the previous unit test support.
Reviewed By: lntue
Differential Revision: https://reviews.llvm.org/D149629
The existing LibcTestMain has been renamed to LibcUnitTestMain.
Hermetic tests are linked to LibcHermeticTestMain and unit tests are
linked to LibcUnitTestMain.
Reviewed By: jhuber6
Differential Revision: https://reviews.llvm.org/D149303
Summary:
This patch makes this only apply to the GPU build. This should be
handled more intelligently in the future so it's common between all of t
hem.
Summary:
This is a little broken, what we really need is a separate target to use
with the hermetic tests, but this is a stop-gap to get the bots green
again.
The generated header files live in the build directory's include path.
When targeting a hermetic build we want to make sure we only use headers
generated by the project itself if availible.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D149216
This patch adds targets for printf and fprintf to the bazel build.
Additionally, it adds support for the build system to specify where
files should be written for testing purposes. This was necessary to
enable the fprintf test under bazel.
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D147008
A convenience wrapper name `add_libc_test` is also added which adds both
a unit test and a hermetic test. The ctype tests have been switched over
to use add_libc_test.
Reviewed By: jhuber6
Differential Revision: https://reviews.llvm.org/D148756
Some test code was doing loose conversions caught by compiler
warnings in the Fuchsia build. This included duplicated code
in a few tests that was reconsolidated with the existing header
file copy of the same functions.
The MemoryMatcher abstraction presumes gtest-style matcher support,
which is not available in Fuchsia's zxtest library. It's avoided
in favor of simpler memory-comparing assertions.
Reviewed By: abrachet
Differential Revision: https://reviews.llvm.org/D146343
Switch math functions to use libc_errno and fix some errno and
floating point exceptions
Reviewed By: sivachandra
Differential Revision: https://reviews.llvm.org/D145349
Properly set floating point exceptions and add more exceptional
values for non-FMA x86-64 targets.
Reviewed By: michaelrj
Differential Revision: https://reviews.llvm.org/D143699
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.
