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LLVM

The LLVM compiler infrastructure project is a set of compiler and toolchain technologies, which can be used to develop a front end for any programming language and a back end for any instruction set architecture.

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aykevl
aykevl commented Apr 19, 2020

There are a few flags that currently don't have proper error checking. The ones I found are -gc, -scheduler and -size. Using the wrong value will lead to no or unexpected errors.

I think the best way to handle it is to add a new method to compileopts.Config that checks whether there are any faulty flags, which is then called from the main function.

numba
coreyoconnor
coreyoconnor commented Apr 27, 2020

Per the BufferedInputStream documentation, the skip(n) method corresponds to the general contract in InputStream. Which is:

"If n is negative, the skip method for class InputStream always returns 0, and no bytes are skipped. Subclasses may handle the negative value differently. "

From this I'd expect scala-native's BufferedInputStream.skip to return 0. Instead an `IllegalArgumentEx

dtarditi
dtarditi commented Apr 18, 2019

PR #342 revamps the checking of bounds declarations. It contains some examples of checking. @lenary noted that none of the examples have unsequenced assignments, where the order in which assignments happen is not specified. This means that pending sets are always empty in the examples. We should add an example where there are some unsequenced assignments.

Aiethel
Aiethel commented Oct 19, 2019

While the test_suite presented in #589 does work, it is still pretty simple and can be improved and enhanced.

  • Add tests for gnutils and coreutils.
  • Add necessary utilities so more complex programs can be compiled from sources.
  • Integrate CMake, so one could write something like make validate and the subset of test that is deemed necessary (for example everything with min t
viboes
viboes commented Sep 28, 2019

As for Display the special operations generated by the compiler #224 discussion, the documentation will improve if we had a section describing the transformation of each featre and his limitations.

In particular for the special operation, to explain that only the operations that are really generated would appear in the transformation. This is due to the fact that the tool s based on the AST.

eine
eine commented Sep 3, 2019

Package system managers' build commands, such as makepkg, git clone a new copy of this repo in a clean temporal path, checkout a specific version, proceed with the build, and remove the temporal dir. I'm using the prepare() step, which is executed just before the build, to copy subdir testsuite out of the temporal path; so it can be executed later, after the path is removed.

The procedu

gyorb
gyorb commented Jan 21, 2020
  • incremental CTU (on the fly CTU with skip files) feature usage configuration, limitations when ready
  • web UI usage
    • how to compare the previous (marked by tag, use the date filter) results of two runs (same run?)
  • more simple and advanced use case examples
    • CI job for a quality review (check for high severity results and fail the job if any)
    • usage of the upcoming f
JohanEngelen
JohanEngelen commented Dec 24, 2019

LLVM will soon support adding per-function attributes about available C library functions. We should add support for that, to solve issues like a memcpy implementation being replaced by a memcpy call: https://forum.dlang.org/thread/clptjumxigcozfcyhzzx@forum.dlang.org
Probably ldc.attributes.llvmAttrwill already work for this, but I think it'd be nice to have a more userfriendly attribute.
Som

tmcdonell
tmcdonell commented Jan 15, 2018

The standard accelerate test suite, used by all the backends, can be quite slow. Several of the tests are significantly slower than the others, for example segmented folds and scans, which I believe is because the reference implementations are very inefficient. Writing some more efficient reference implementations (e.g. using Data.Vector.Unboxed) should help speed things up.

Created by Vikram Adve, Chris Lattner

Released 2019

Latest release 2 months ago

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llvm/llvm-project
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