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an implementation is provided by a builtin library.
Summary:
If a platform removes some builtin implementations (e.g. via the
Darwin-excludes mechanism) then this can lead to test failures because
the test expects an implementation to be available.
To solve this lit features are added for each configuration based
on which sources are included in the builtin library. The features
are of the form `librt_has_<name>` where `<name>` is the name of the
source file with the file extension removed. This handles C and
assembly sources.
With the lit features in place it is possible to make certain tests
require them.
Example:
```
REQUIRES: librt_has_comparedf2
```
All top-level tests in `test/builtins/Unit` (i.e. not under
`arm`, `ppc`, and `riscv`) have been annotated with the appropriate
`REQUIRES: librt_has_*` statement.
rdar://problem/55520987
Reviewers: beanz, steven_wu, arphaman, dexonsmith, phosek, thakis
Subscribers: mgorny, #sanitizers, llvm-commits
Tags: #llvm, #sanitizers
Differential Revision: https://reviews.llvm.org/D68064
llvm-svn: 375150
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to reflect the new license. These used slightly different spellings that
defeated my regular expressions.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351648
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Original r297566 is splitted into two parts.
This is part one, which adds "RUN" command for test cases.
Unit/arm/call_apsr.S is updated to support thumb1.
It also fixes a bug in arm/aeabi_uldivmod_test.c
gcc_personality_test is XFAILED as the framework cannot handle it so far.
cpu_model_test is also XFAILED for now as it is expected to return non-zero.
TODO: A few tests are XFAILed for armhf and aarch64.
We need further investigating. [1,2] Tracks the issue.
[1] https://bugs.llvm.org//show_bug.cgi?id=32260
[2] https://bugs.llvm.org//show_bug.cgi?id=32261
Reviewers: rengolin, compnerd, jroelofs, erik.pilkington, arphaman
Reviewed By: jroelofs
Subscribers: jroelofs, aemerson, srhines, nemanjai, llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D30802
llvm-svn: 298339
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Due to test failure of check-builtins for aarch64 and armhf.
This reverts commit r297566.
llvm-svn: 297569
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Summary:
This patch implements a initial support of lit test for builtins.
Unit/arm/call_apsr.S is updated to support thumb1.
It also fixes a bug in arm/aeabi_uldivmod_test.c
gcc_personality_test is XFAILED as the framework cannot handle it so far.
cpu_model_test is also XFAILED for now as it is expected to return non-zero.
Reviewers: rengolin, compnerd, jroelofs, erik.pilkington, arphaman
Reviewed By: jroelofs
Subscribers: jroelofs, aemerson, srhines, nemanjai, llvm-commits, mgorny
Differential Revision: https://reviews.llvm.org/D30802
llvm-svn: 297566
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of tests and __fixuint
Summary:
The following tests for 128-bit floating-point type behaved in a strange way, thought it were bugs, but seem to be mistakes in tests:
* `fixtfsi` test checked for `0x80000001` as a value returned for number less than can be represented, while `LONG_MIN` should be returned on saturation;
* `fixunstfdi` wasn't enabled for AArch64, only for PPC, but there is nothing PPC specific in that test;
* `multf3` tried to underflow multiplication by producing result with 16383 exponent, while there are still 112 bits of fraction plus implicit bit, so resultant exponent should be 16497.
Tests for some other builtins didn't exist:
* `fixtfdi`
* `fixtfti`
* `fixunstfti`
They were made by copying similar files and adjusting for wider types and adding/removing some reasonable/extra checks.
Also `__fixuint` seems to have off by one error, updated tests to catch this case.
Reviewers: rengolin, zatrazz, howard.hinnant, t.p.northover, jmolloy, enefaim
Subscribers: aemerson, llvm-commits, rengolin
Differential Revision: http://reviews.llvm.org/D14187
llvm-svn: 252180
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