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[pull] master from llvm:master #25

Merged
merged 7 commits into from
Aug 28, 2019
Merged

[pull] master from llvm:master #25

merged 7 commits into from
Aug 28, 2019

Commits on Aug 28, 2019

  1. [Attributor] Regularly clear dependences to remove spurious ones 

    As dependences between abstract attributes can become stale, e.g., if
one was sufficient to imply another one at some point but it has since
been wakened to the point it is not usable for the formerly implied one.
To weed out spurious dependences, and thereby eliminate unneeded
updates, we introduce an option to determine how often the dependence
cache is cleared and recomputed during the fixpoint iteration.

Note that the initial value was determined such that we see a positive
result on our tests.

Differential Revision: https://reviews.llvm.org/D63315

llvm-svn: 370230
    Johannes Doerfert committed Aug 28, 2019
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  2. [dotest] Don't spend time replacing spaces in print output. 

    Replacing all spaces with dashes seems like a lot of needless work for a
string that's just printed.

llvm-svn: 370231
    @JDevlieghere
    JDevlieghere committed Aug 28, 2019
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  3. [dotest] Don't try to guess the llvm binary dir. 

    Now that all supported build systems create a valid dotest.py
invocation, we no longer need to guess the directory where any of the
llvm tools live. Additionally, the current logic is incomplete: it
doesn't try to find any other tools than FileCheck, such as dsymutil for
example.

If no FileCheck is provided, we should print a warning and skip the
tests that need it, but that's not part of this patch.

Differential revision: https://reviews.llvm.org/D66893

llvm-svn: 370232
    @JDevlieghere
    JDevlieghere committed Aug 28, 2019
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  4. [X86][ReleaseNotes] Add a note about the switch to widening legalizat… 

    …ion for narrow vectors.

llvm-svn: 370233
    @topperc
    topperc committed Aug 28, 2019
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  5. [dotest] Don't try to guess the lldb binary & python dir. 

    Now that all supported build systems create a valid dotest.py
invocation, we no longer need to guess the location of the lldb binary
and Python directory.

Differential revision: https://reviews.llvm.org/D66896

llvm-svn: 370234
    @JDevlieghere
    JDevlieghere committed Aug 28, 2019
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  6. [dotest] Remove outdates TODO 

    The referenced function `find_test_files_in_dir_tree` no longer exists.

llvm-svn: 370235
    @JDevlieghere
    JDevlieghere committed Aug 28, 2019
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  7. [ValueMapper] NFC: Remove dead code to pause metadata mapping 

    Summary:
This functionality was added when Mapper::mapMetadata was recursive.  It
is no longer needed after r265456, which switched it to be iterative.

Reviewers: dexonsmith, srhines

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66860

llvm-svn: 370236
    @pirama-arumuga-nainar
    pirama-arumuga-nainar committed Aug 28, 2019
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