[VE] Disable incompatible compiler-rt tests

Some compiler-rt tests are inherently incompatible with VE because..

* No consistent denormal support on VE. We skip denormal fp inputs in builtin tests.

[VE] Disable incompatible compiler-rt tests

Some compiler-rt tests are inherently incompatible with VE because..

* No consistent denormal support on VE. We skip denormal fp inputs in builtin tests.
* `madvise` unsupported on VE.
* Instruction alignment requirements.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D113093

show more ...

[compiler-rt] NFC: Fix trivial typo

Reviewed By: xgupta

Differential Revision: https://reviews.llvm.org/D77457

[builtins][test] Delete unneeded file headers

We don't add file headers to tests. The comments are useless as well -
their purpose can be easily inferred from the filenames.

[compiler-rt] [test] Disable MPROTECT on two builtin tests

Introduce a new %run_nomprotect substitution to run tests that do not
work with MPROTECT enabled. This uses paxctl via a wrapper on NetBSD

[compiler-rt] [test] Disable MPROTECT on two builtin tests

Introduce a new %run_nomprotect substitution to run tests that do not
work with MPROTECT enabled. This uses paxctl via a wrapper on NetBSD,
and evaluates to plain %run on other systems.

Differential Revision: https://reviews.llvm.org/D71513

show more ...

[Builtins] Provide a mechanism to selectively disable tests based on whether an implementation is provided by a builtin library.

Summary:
If a platform removes some builtin implementations (e.g. via

[Builtins] Provide a mechanism to selectively disable tests based on whether 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

show more ...

Update more file headers across all of the LLVM projects in the monorepo
to reflect the new license. These used slightly different spellings that
defeated my regular expressions.

We understand that

Update more file headers across all of the LLVM projects in the monorepo
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

show more ...

[builtins] Get the builtins tests passing on Windows

Many things were broken:

- We stopped building most builtins on Windows in r261432 for reasons
that are not at all clear to me. This essential

[builtins] Get the builtins tests passing on Windows

Many things were broken:

- We stopped building most builtins on Windows in r261432 for reasons
that are not at all clear to me. This essentially reverts that patch.

- Fix %librt to expand to clang_rt.builtins-$arch.lib on Windows instead
of libclang_rt.builtins-$arch.a.

- Fix memory protection tests (trampoline, enable executable, clear
cache) on Windows. One issue was that the MSVC incremental linker
generates ILT thunks for functions with external linkage, so memcpying
the functions into the executable stack buffer wasn't working. You
can't memcpy an RIP-relative jump without fixing up the offset.

- Disable tests that rely on C99 complex library functions when using
the MSVC CRT, which isn't compatible with clang's C99 _Complex.

In theory, these could all be separate patches, but it would not green
the tests, so let's try for it all at once. Hopefully this fixes the
clang-x64-ninja-win7 bot.

llvm-svn: 299780

show more ...

[Builtin] Implement lit-test support (part 1 of 2: test cases update)

Original r297566 is splitted into two parts.
This is part one, which adds "RUN" command for test cases.
Unit/arm/call_apsr.S is

[Builtin] Implement lit-test support (part 1 of 2: test cases update)

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

show more ...

Revert "[Builtin] Implement lit-test support"

Due to test failure of check-builtins for aarch64 and armhf.
This reverts commit r297566.

llvm-svn: 297569

[Builtin] Implement lit-test support

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_ul

[Builtin] Implement lit-test support

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

show more ...

tests: correct builtins test if built under -mthumb on ARM

The clear_cache and enable_execute_stack tests attempt to memcpy the definition
of a function into a buffer before executing the function.

tests: correct builtins test if built under -mthumb on ARM

The clear_cache and enable_execute_stack tests attempt to memcpy the definition
of a function into a buffer before executing the function. The problem with
this approach is that on some targets (ARM with thumb mode compilation, MIPS
with MIPS16 codegen or uMIPS), you would use a pointer which is incorrect (it
would be off-by-one) due to the ISA selection being encoded into the address.
This ensures that the function address is retrieved correctly in all cases.

llvm-svn: 225215

show more ...

Move tests for BlocksRuntime and builtins to corresponding directories under test/

llvm-svn: 201396