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Commit Graph

6445 Commits

Author SHA1 Message Date
Sylvestre Ledru
1d6becb423 fix some typos in the doc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292014 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-14 11:37:01 +00:00
Rui Ueyama
47a876a72c Add a description how to checkout the LLD repository.
Differential Revision: https://reviews.llvm.org/D28687

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291948 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-13 19:27:18 +00:00
Hans Wennborg
50082b152d Clear the release notes for 5.0.0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291836 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-12 21:50:22 +00:00
Hans Wennborg
f6fc33e0fd Bump trunk version to 5.0.0svn
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291815 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-12 21:22:36 +00:00
Matt Arsenault
70dde8fbf5 LangRef: Note that calls also support fast math flags
This is already documented on the call instruction, but
not in the list of supported instructions in the fast math
flag section.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291578 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-10 18:06:38 +00:00
Justin Lebar
a4679c0caf [Docs] Update docs to indicate that CUDA compilation is supported on Windows.
Subscribers: cfe-commits, llvm-commits

Differential Revision: https://reviews.llvm.org/D28326

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291139 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-05 16:54:28 +00:00
Anmol P. Paralkar
b1151ef50b [doc] Fix minor grammatical error in Phabricator.rst
Summary: Test commit, fix minor grammatical error in Phabricator.rst

Reviewers: delcypher

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D28214

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291101 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-05 13:08:14 +00:00
Michal Gorny
a50b783ab7 [cmake] Add LLVM_ENABLE_DIA_SDK option, and expose it in LLVMConfig
Add an explicit LLVM_ENABLE_DIA_SDK option to control building support
for DIA SDK-based debugging. Control its value to match whether DIA SDK
support was found and expose it in LLVMConfig (alike LLVM_ENABLE_ZLIB).

Its value is needed for LLDB to determine whether to run tests requiring
DIA support. Currently it is obtained from llvm/Config/config.h;
however, this file is not available for standalone builds. Following
this change, LLDB will be modified to use the value from LLVMConfig.

Differential Revision: https://reviews.llvm.org/D26255

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290818 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-02 18:19:35 +00:00
Keno Fischer
e345a27f2d Reapply "[CodeGen] Fix invalid DWARF info on Win64"
This reapplies rL289013 (reverted in rL289014) with the fixes identified
in D21731. Should hopefully pass the buildbots this time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290809 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-02 03:00:19 +00:00
Florian Hahn
f4ae367c89 [doc] Clarify steps for contributors without commit access.
Summary: Update the Phabricator docs to clarify how changes are merged for contributors without commit access. 

Reviewers: delcypher, aaron.ballman

Subscribers: aaron.ballman, anmol, llvm-commits

Differential Revision: https://reviews.llvm.org/D28184

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290767 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-30 21:28:30 +00:00
Piotr Padlewski
35f35d388e [MemDep] Handle gep with zeros for invariant.group
Summary:
gep 0, 0 is equivalent to bitcast. LLVM canonicalizes it
to getelementptr because it make SROA can then handle it.

Simple case like

    void g(A &a) {
        z(a);
        if (glob)
            a.foo();
    }
    void testG() {
        A a;
        g(a);
    }

was not devirtualized with -fstrict-vtable-pointers because luck of
handling for gep 0 in Memory Dependence Analysis

Reviewers: dberlin, nlewycky, chandlerc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D28126

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290763 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-30 18:45:07 +00:00
Igor Laevsky
dedd623ace Fix documentation generator warnings after rL290708.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290709 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-29 15:08:57 +00:00
Igor Laevsky
f755153552 Introduce element-wise atomic memcpy intrinsic
This change adds a new intrinsic which is intended to provide memcpy functionality
with additional atomicity guarantees. Please refer to the review thread
or language reference for further details.

Differential Revision: https://reviews.llvm.org/D27133



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290708 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-29 14:31:07 +00:00
Mehdi Amini
390d667cee [doc] Add mention of the difference in optimization level between Release and RelWithDebInfo in Cmake.rst
This is surprising to many people.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290556 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-26 23:42:12 +00:00
Amjad Aboud
4e2e80b609 [DebugInfo] Added support for Checksum debug info feature.
Differential Revision: https://reviews.llvm.org/D27642

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290514 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-25 10:12:09 +00:00
Bryant Wong
8830eb8360 Test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290501 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-24 17:26:38 +00:00
David Blaikie
b0d6793fd5 Fix missing '>' in docs (hopefully fixes bot error... )
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290187 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-20 17:43:48 +00:00
David Blaikie
bf89173855 Add some brief documentation about GDB pretty printers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290186 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-20 17:33:58 +00:00
Daniel Jasper
8de3a54f07 Revert @llvm.assume with operator bundles (r289755-r289757)
This creates non-linear behavior in the inliner (see more details in
r289755's commit thread).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290086 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-19 08:22:17 +00:00
Reid Kleckner
36850aafe2 Fix some remaining documentation references to MSVC 2013
MSVC 2015 has been the minimum supported version of VS since October.

Differential Revision: https://reviews.llvm.org/D25710

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289854 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-15 19:08:02 +00:00
Kostya Serebryany
94ab0f2699 [libFuzzer] doc update
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289849 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-15 18:47:22 +00:00
Pavel Labath
2ef2a887ad Simplify format member detection in FormatVariadic
Summary:
This replaces the format member search, which was quite complicated, with a more
direct approach to detecting whether a class should be formatted using the
format-member method. Instead we use a special type llvm::format_adapter, which
every adapter must inherit from. Then the search can be simply implemented with
the is_base_of type trait.

Aside from the simplification, I like this way more because it makes it more
explicit that you are supposed to use this type only for adapter-like
formattings, and the other approach (format_provider overloads) should be used
as a default (a mistake I made when first trying to use this library).

The only slight change in behaviour here is that now choose the format-adapter
branch even if the format member invocation will fail to compile (e.g. because it is a
non-const member function and we are passing a const adapter), whereas
previously we would have gone on to search for format_providers for the type.
However, I think that is actually a good thing, as it probably means the
programmer did something wrong.

Reviewers: zturner, inglorion

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D27679

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289795 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-15 09:40:27 +00:00
Hal Finkel
fe647d2183 Make processing @llvm.assume more efficient by using operand bundles
There was an efficiency problem with how we processed @llvm.assume in
ValueTracking (and other places). The AssumptionCache tracked all of the
assumptions in a given function. In order to find assumptions relevant to
computing known bits, etc. we searched every assumption in the function. For
ValueTracking, that means that we did O(#assumes * #values) work in InstCombine
and other passes (with a constant factor that can be quite large because we'd
repeat this search at every level of recursion of the analysis).

Several of us discussed this situation at the last developers' meeting, and
this implements the discussed solution: Make the values that an assume might
affect operands of the assume itself. To avoid exposing this detail to
frontends and passes that need not worry about it, I've used the new
operand-bundle feature to add these extra call "operands" in a way that does
not affect the intrinsic's signature. I think this solution is relatively
clean. InstCombine adds these extra operands based on what ValueTracking, LVI,
etc. will need and then those passes need only search the users of the values
under consideration. This should fix the computational-complexity problem.

At this point, no passes depend on the AssumptionCache, and so I'll remove
that as a follow-up change.

Differential Revision: https://reviews.llvm.org/D27259

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289755 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-15 02:53:42 +00:00
Kostya Serebryany
68f637f244 [libFuzzer] document one more desired feature of a fuzz target
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289622 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-14 01:31:21 +00:00
Peter Collingbourne
b29976c54b IR, X86: Understand !absolute_symbol metadata on global variables.
Summary:
Attaching !absolute_symbol to a global variable does two things:
1) Marks it as an absolute symbol reference.
2) Specifies the value range of that symbol's address.
Teach the X86 backend to allow absolute symbols to appear in place of
immediates by extending the relocImm and mov64imm32 matchers. Start using
relocImm in more places where it is legal.

As previously proposed on llvm-dev:
http://lists.llvm.org/pipermail/llvm-dev/2016-October/105800.html

Differential Revision: https://reviews.llvm.org/D25878

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289087 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-08 19:01:00 +00:00
Keno Fischer
3f98c183ca Revert "[CodeGen] Fix invalid DWARF info on Win64"
Appears to break on build bots. Reverting pending investigation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289014 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-08 01:56:23 +00:00
Keno Fischer
94c20c0a62 [CodeGen] Fix invalid DWARF info on Win64
The relocations for `DIEEntry::EmitValue` were wrong for Win64
(emitting FK_Data_4 instead of FK_SecRel_4). This corrects that
oversight so that the DWARF data is correct in Win64 COFF files.

Fixes PR15393.

Patch by Jameson Nash <jameson@juliacomputing.com> based on a patch
by David Majnemer.

Differential Revision: https://reviews.llvm.org/D21731

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@289013 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-08 01:40:21 +00:00
Mehdi Amini
bb4cc15a59 [doc] Add .arcconfig setup to the "how to work with a monorepo" section
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288562 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-03 01:04:40 +00:00
Peter Collingbourne
a705e0edef IR: Move NumElements field from {Array,Vector}Type to SequentialType.
Now that PointerType is no longer a SequentialType, all SequentialTypes
have an associated number of elements, so we can move that information to
the base class, allowing for a number of simplifications.

Differential Revision: https://reviews.llvm.org/D27122

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288464 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-02 03:20:58 +00:00
Peter Collingbourne
9c9ec72b63 IR: Change PointerType to derive from Type rather than SequentialType.
As proposed on llvm-dev:
http://lists.llvm.org/pipermail/llvm-dev/2016-October/106640.html

This is for a couple of reasons:

- Values of type PointerType are unlike the other SequentialTypes (arrays
  and vectors) in that they do not hold values of the element type. By moving
  PointerType we can unify certain aspects of how the other SequentialTypes
  are handled.
- PointerType will have no place in the SequentialType hierarchy once
  pointee types are removed, so this is a necessary step towards removing
  pointee types.

Differential Revision: https://reviews.llvm.org/D26595

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288462 91177308-0d34-0410-b5e6-96231b3b80d8
2016-12-02 03:05:41 +00:00
Jonas Devlieghere
fc89a6a1e9 Revert 'Test commit as per developer policy'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288233 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-30 08:24:43 +00:00
Jonas Devlieghere
bc02eec1d3 Test commit as per developer policy
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288232 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-30 08:06:23 +00:00
Zachary Turner
29916a15c8 Add documentation for the PDB Module Info stream.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288205 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-29 22:14:56 +00:00
Mehdi Amini
c72d18a2cb [docs] Typos and whitespace fixed in LTO docs.
While reading the LTO docs I fixed few small typos and whitespace issues.

Patch by: Jonas Devlieghere <jonas@devlieghere.com>

Differential Revision: https://reviews.llvm.org/D27196

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288171 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-29 18:00:31 +00:00
Yichao Yu
3806d81f86 Fix doc of llvm.bitreverse.iN
Summary:
The return type is `iN` rather than always `i16`

Seems to be a typo in https://reviews.llvm.org/rL252878 .

Reviewers: jmolloy

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D27047

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287769 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-23 16:25:31 +00:00
Justin Lebar
ac4f8e1d52 [CUDA] Note in docs that you need to build with -lcudart on MacOS
-lcudart_static doesn't work.  We don't know why.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287715 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-22 23:13:29 +00:00
Matthias Braun
9262f00f1a Timer: Track name and description.
The previously used "names" are rather descriptions (they use multiple
words and contain spaces), use short programming language identifier
like strings for the "names" which should be used when exporting to
machine parseable formats.

Also removed a unused TimerGroup from Hexxagon.

Differential Revision: https://reviews.llvm.org/D25583

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287369 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-18 19:43:18 +00:00
Craig Topper
3d85988107 [Docs][TableGen] Remove reference to tablegen supporting octal integers. It doesn't and hasn't for at least 9 years.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287299 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-18 02:28:50 +00:00
Justin Lebar
e65e5ddefe [CUDA] Update docs to indicate that MacOS is now supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287290 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-18 00:42:00 +00:00
Justin Lebar
46f85978dc [CUDA] Update docs; CUDA 8.0 is supported as of a while ago.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287289 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-18 00:41:40 +00:00
Dylan McKay
b28b8f21ef [ReleaseNotes] Mention the completion of the upstreaming of the AVR backend
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287273 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-17 22:26:09 +00:00
Kostya Serebryany
f6d63ccc90 [libFuzzer] better documentation for -fsanitize-coverage=trace-cmp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287240 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-17 17:31:54 +00:00
Justin Lebar
38b5ba060c [CUDA] Update docs to indicate that clang now supports std::complex in CUDA mode.
The last remaining necessary change was D25403, landed as r287012.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287184 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-17 01:03:42 +00:00
Dean Michael Berris
30d8d0833f [XRay][docs] Define requirements on installed log handlers.
Summary:
We update the documentation to define what the requirements are for the
provided XRay log handler. This is to make it clear that the function
pointer provided must do internal synchronisation and that there are no
guarantees provided by XRay on when the function shall be invoked once
it has been installed as a log handler.

Reviewers: rSerge, rengolin

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D26651

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287073 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-16 02:18:23 +00:00
Matt Arsenault
ee23318db7 TableGen: Add operator !or
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286936 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-15 06:49:28 +00:00
Zachary Turner
576eea861d [PDB] Add documentation for the DBI Stream.
Differential Revision: https://reviews.llvm.org/D26552

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286853 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-14 17:59:28 +00:00
Zachary Turner
3b7c9b9cdb [PDB] Add documentation for the PDB Stream.
https://reviews.llvm.org/D26516

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286852 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-14 17:59:21 +00:00
Sanjoy Das
00eb18da3b [LangRef] Drop misleading anecdote
`shl nsw i8 1, i8 8` is poison, but `mul i8 1, i8 128` is not.

This was discussed previously here:
http://lists.llvm.org/pipermail/llvm-dev/2015-April/084195.html.  From
the discussion, it was not clear which semantics we want for `shl`, but
for now at least make the language reference more accurate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286785 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-13 23:40:40 +00:00
Sylvestre Ledru
8a6ccbeaaa As we released 3.9, from the 4.0 release notes, points to version 3.9 instead of 3.8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286719 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-12 10:39:09 +00:00
whitequark
18c0ee2638 [OCaml] Adapt to the new attribute C API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286705 91177308-0d34-0410-b5e6-96231b3b80d8
2016-11-12 03:38:30 +00:00