Inspired by LLVM_DEBUG, but using environment variables rather than command line
options.
Code can use ORC_RT_DEBUG(...) (if ORC_RT_DEBUG_TYPE is set), or
ORC_RT_DEBUG_WITH_TYPE(<type>, ...) (if ORC_RT_DEBUG_TYPE is not set. E.g. in
headers).
Debug logging is enabled in the executor by setting the ORC_RT_DEBUG environment
variable. Debug logging can be restricted by type by setting the
ORC_RT_DEBUG_TYPES environment variable to a comma separated list of types,
e.g. ORC_RT_DEBUG_TYPES=macho_platform,sps.
Differential Revision: https://reviews.llvm.org/D116139
By default we return the width of an LMUL=1 register. We can enable
testing with larger LMUL values by returning a larger bit width.
This patch adds a RISCV specific option to provide a LMUL which will be
multiplied by the LMUL=1 bit width.
Reviewed By: kito-cheng
Differential Revision: https://reviews.llvm.org/D116339
getMinVectorRegisterBitWidth means what vector types is supported in
this target, and actually RISC-V support all fixed length vector types with
vector length less than `getMinRVVVectorSizeInBits`, so set it to 16,
means 2 x i8, that is minimal fixed length vector size in theory.
That also fixed one issue, some testcase migth become non-vectorizable
when `-riscv-v-vector-bits-min` set to larger value, because the vector size is
smaller than `-riscv-v-vector-bits-min`.
For example, following code can vectorize by SLP with
`-riscv-v-vector-bits-min=128` or `-riscv-v-vector-bits-min=256`, but
can't vectorize `-riscv-v-vector-bits-min=512` or larger:
```
void foo(double *da) {
da[0] = 0;
da[1] = 1;
da[2] = 2;
da[3] = 3;
}
```
Reviewed By: craig.topper
Differential Revision: https://reviews.llvm.org/D116534
a32300a changed it to create a ThreadPool eagerly so that it gets reused
across buffers, however it also made it so that we create a ThreadPool
early even if we're not gonna use it later because of the command line
option `--mlir-disable-threading` is provided.
Fix#53056
Reland 45adf60802 after build fixes
Differential Revision: https://reviews.llvm.org/D116848
This reverts commit 3ca6928344.
492de35df4 relanded in feeff8a37c.
The reland only uses CMAKE_INSTALL_INCLUDEDIR and not CMAKE_INSTALL_BINDIR
in llvm-config, so this reland reflects that.
Currently, compiles with LLVM_ENABLE_THREADS=OFF fail due to this symbol missing. Add it but assert as calling code is (and should be) checking that threading is enabled.
Differential Revision: https://reviews.llvm.org/D116846
a32300a changed it to create a ThreadPool eagerly so that it gets reused
across buffers, however it also made it so that we create a ThreadPool
early even if we're not gonna use it later because of the command line
option `--mlir-disable-threading` is provided.
Fix#53056
Differential Revision: https://reviews.llvm.org/D116848
When building libcxx, libcxxabi, and libunwind the build environment may
specify any number of sanitizers. For some build feature tests these
sanitizers must be disabled to prevent spurious linking errors. With
-fsanitize= this is straight forward with -fno-sanitize=all. With
-fsanitize-coverage= there is no -fno-sanitize-coverage=all, but there
is the equivalent undocumented but tested -fsanitize-coverage=0.
The current build rules fail to disable 'trace-pc-guard'. By disabling
all sanitize-coverage flags, including 'trace-pc-guard', possible
spurious linker errors are prevented. In particular, this allows libcxx,
libcxxabi, and libunwind to be built with HonggFuzz.
CMAKE_REQUIRED_FLAGS is extra compile flags when running CMake build
configuration steps (like check_cxx_compiler_flag). It does not affect
the compile flags for the actual build of the project (unless of course
these flags change whether or not a given source compiles and links or
not). So libcxx, libcxxabi, and libunwind will still be built with any
specified sanitize-coverage as before. The build configuration steps
(which are mostly checking to see if certain compiler flags are
available) will not try to compile and link "int main() { return 0;}"
(or other specified source) with sanitize-coverage (which can fail to
link at this stage in building, since the final compile flags required
are yet to be determined).
The change to LIBFUZZER_CFLAGS was done to keep it consistent with the
obvious intention of disabling all sanitize-coverage. This appears to
be intentional, preventing the fuzzer driver itself from showing up in
any coverage calculations.
Reviewed By: #libunwind, #libc, #libc_abi, ldionne, phosek
Differential Revision: https://reviews.llvm.org/D116050
Even if findImplementors does not use
uninitialized parameter it's still UB and
it's going to be detected by msan with:
-Xclang -enable-noundef-analysis -mllvm -msan-eager-checks=1
Differential Revision: https://reviews.llvm.org/D116827
This is the patch for LLVM proper in my series for adding GNUInstallDirs support in all project.
Additionally:
Create a new `CACHE STRING` variable, `LLVM_EXAMPLES_INSTALL_DIR`, to control where the examples are installed on analogy with the other variables.
---
This patch supersedes D28234, which tried to do the same thing but hand-rolled without GNUInstallDirs.
This patch nearly reverts commit 3 0fc88bf1dc15a72e2d9809d28019d386b7a7cc0, which was a revert of a prior attempt."
(I had to add a space here or else Phabricator detects a reference cycle and won't let me do the form submit.)
Reviewed By: compnerd
Differential Revision: https://reviews.llvm.org/D100810
Users could pass flags by environment variables like CFLAGS/CXXFLAGS/LDFLAGS
or by using CMAKE_<LANG>_FLAGS_INIT/CMAKE_<t>_LINKER_FLAGS_INIT. So this
toolchain file should append to INIT flags instead. Otherwise, user
flags would be discarded here by assigning to CMAKE_<LANG>_FLAGS
directly.
Reviewed By: smeenai, mstorsjo
Differential Revision: https://reviews.llvm.org/D116709
The lldbconfig module was necessary to run the LLDB test suite against a
reproducer. Since this functionality has been removed, the module is no
longer necessary.
@beanz tells me it should in fact exists, and it would be bad to put a
list of dirs in `LLVM_LIBRARY_DIR`. I am therefore making some changes
to help avoid this an other mistakes:
- Use a separate `LLVM_CONFIG_LIBRARY_DIR` (no "S") variable so we don't
start putting a list in `LLVM_LIBRARY_DIR` by mistake.
- Define the individual dir variables first, and the define the list of
dirs variables programmatically.
Also, I rearranged the definitions of the "regular" single dirs below so
`LLVM_BINARY_DIR`, which is the unsuffixed one, comes first before the
suffixed ones.
Reviewed By: beanz
Differential Revision: https://reviews.llvm.org/D116497
If the function returns true, it should
set all output paremeters, similar to Output::preflightElement, or we
have UB on code like:
```
void *SaveInfo;
if (io.preflightFlowElement(i, SaveInfo))
io.postflightFlowElement(SaveInfo);
```
It's going to be detected by msan with:
-Xclang -enable-noundef-analysis -mllvm -msan-eager-checks=1
Differential Revision: https://reviews.llvm.org/D116826
Make clang-cl error when a function definition is missing 'noexcept',
and succeed without warnings when missing '__declspec(nothrow)' or 'throw'.
Fixes pr52860
Differential Revision: https://reviews.llvm.org/D116256
strdup/strndup are already partially implemented, move remaining comment to relevant place. Remaining named routines are copy routines and mostly handled via intrinsics already - they do not allocate new memory.
This is continuing in the path of D51714, which did this for Clang.
I have rearranged the source code Clang so one can diff the top-level
CMakeLists.txt of Clang and LLD, ensuring we use the same strategy for
both.
Besides diffing the two files, `git diff --color-moved` on LLD also helps review.
Reviewed By: beanz
Differential Revision: https://reviews.llvm.org/D116492
Both close and closesocket should return 0 on success so using !! looks incorrect. I replaced this will a more readable == 0 check.
Differential Revision: https://reviews.llvm.org/D116768
This patch brings the transitional DWARF 4 + fission attributes up to date.
Patch by David Anderson!
Differential Review: https://reviews.llvm.org/D116065
See the docs in the new function for details.
I think I found every instance of this copy pasted code. Polly could
also use it, but currently does something different, so I will save the
behavior change for a future revision.
We get the shared, non-installed CMake modules following the pattern
established in D116472.
It might be good to have LLD and Flang also use this, but that would be
a functional change and so I leave it as future work.
Reviewed By: beanz, lebedev.ri
Differential Revision: https://reviews.llvm.org/D116521
Now that I am adding more things there, I thought it prudent to document
what should and should not go there, and how it is used.
Reviewed By: lebedev.ri
Differential Revision: https://reviews.llvm.org/D116524
Lang Hames