Summary:
ORCv1 is deprecated. The current aim is to remove it before the LLVM 10.0
release. This patch adds deprecation attributes to the ORCv1 layers and
utilities to warn clients of the change.

Reviewers: dblaikie, sgraenitz, AlexDenisov

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64609

llvm-svn: 366344

See <http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fast/builds/33612>.

llvm-svn: 366343

On Darwin, the man page states that "both fputs() and puts() print
`(null)' if str is NULL."

rdar://48227136

Reviewed By: Lekensteyn

Differential Revision: https://reviews.llvm.org/D64773

llvm-svn: 366342

This is a follow up patch to D64534 (r365963) which removed all OMP
spec versioning within the OpenMP runtime codebase.  This patch removes
REQUIRES: openmp-x.y lines from lit tests.

llvm-svn: 366341

Avoids creating an extra intermediate mov.

llvm-svn: 366340

llvm-svn: 366339

Summary: Also reorganize the code for computing supertypes to make it more symmetric to subtypes.

Reviewers: kadircet

Reviewed By: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64613

llvm-svn: 366338

Summary:
If there is no comment, place it at the closing brace of a namespace
definition. Previously it was placed at the next character after the
closing brace.

The new position produces a better location for highlighting in clangd
and does not seem to make matters worse for clang-tidy.

Reviewers: alexfh, hokein

Reviewed By: alexfh, hokein

Subscribers: xazax.hun, kadircet, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64861

llvm-svn: 366337

checkDecl is only valid for VarDecls or FieldDecls, since getCanonicalDecl
expects only these. Prevent other Decl kinds (such as CXXMethodDecls and
EnumConstantDecls) from entering and asserting.

Differential Revision: https://reviews.llvm.org/D64842

llvm-svn: 366336

Summary:
Deduce the "willreturn" attribute for functions.

For now, intrinsics are not willreturn. More annotation will be done in another patch.

Reviewers: jdoerfert

Subscribers: jvesely, nhaehnle, nicholas, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D63046

llvm-svn: 366335

These tests that failed on Darwin but passed on other machines due to the default archive format differing
on a Darwin machine, and what looks to be bugs in the output of this format.
I can not investigate these issue further so the tests are considered expected failures on Darwin.

Differential Revision: https://reviews.llvm.org/D64802

llvm-svn: 366334

Summary:
Add a --vs-diagnostics flag that alters the format of diagnostic output
to enable source hyperlinks in Visual Studio.

Differential Revision: https://reviews.llvm.org/D58484

Reviewed by: ruiu

llvm-svn: 366333

Summary:
The structural equivalence check reported false eq between lambda classes
with different parameters in their call signature.
The solution is to check the methods for equality too in case of lambda
classes.

Reviewers: a_sidorin, a.sidorin

Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64075

llvm-svn: 366332

This follows the RFC <http://lists.llvm.org/pipermail/llvm-dev/2019-July/133724.html>.

Follow-on commits will add appropriate release notes changes etc.

Pushing this now and in a minimal form so there is reasonable time before 9.0
branches to resolve any issues arising from e.g. the backend being exposed on
different sanitizer setups.

The current builder for RISC-V is on the staging build-bot
<http://lab.llvm.org:8014/builders/llvm-riscv-linux>, however with the RISCV
backend being built by default it won't provide any real additional coverage.
We will shortly set up a builder that runs the test-suite in qemu-user.

llvm-svn: 366331

llvm-svn: 366330

The original behavior was to always emit the offsets to each call site in the
call site table as uleb128 values, however on some architectures (eg RISCV)
these uleb128 offsets into the code cannot always be resolved until link time
(because relaxation will invalidate any calculated offsets), and there are no
appropriate relocations for uleb128 values. As a consequence it needs to be
possible to specify an alternative.

This also switches RISCV to use DW_EH_PE_udata4 for call side encodings in
.gcc_except_table

Differential Revision: https://reviews.llvm.org/D63415
Patch by Edward Jones.

llvm-svn: 366329

These intrinsics do in fact work with non-constant index arguments.

These are lowered to either the generic
ISD::INSERT_VECTOR_ELT/ISD::EXTRACT_VECTOR_ELT, or to
VEXTRACT_SEXT_ELT. The handling of these all accept variable
indexes. Turning these into generic instructions which do allow
variables introduces complications in a future change to immarg
handling.

Since these just turn into generic instructions, these are kind of
pointless and should probably just be autoupgraded to
extractelement/insertelement.

llvm-svn: 366328

This patch sets correct encodings for DWARF exception handling for RISC-V
(other than call site encoding, which must be udata4 rather than uleb128 and
is handled by D63415).

This has the same intend as D63409, except this version matches GCC/binutils
behaviour which uses the same encodings regardless of PIC/non-PIC and
medlow/medany code model.

llvm-svn: 366327

Items which are known to be wrong/different vs GCC are marked as TODO and will
be address in follow-up patches.

llvm-svn: 366326

Summary:
With LLDB we use localUncachedLookup(), however, that fails to find
Decls when a transparent context is involved and the given DC has
external lexical storage.  The solution is to use noload_lookup, which
works well with transparent contexts.  But, we cannot use only the
noload_lookup since the slow case of localUncachedLookup is still needed
in some other cases.

These other cases are handled in ASTImporterLookupTable, but we cannot
use that with LLDB since that traverses through the AST which initiates
the load of external decls again via DC::decls().

We must avoid loading external decls during the import becuase
ExternalASTSource is implemented with ASTImporter, so external loads
during import results in uncontrolled and faulty import.

Reviewers: shafik, teemperor, jingham, clayborg, a_sidorin, a.sidorin

Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits, lldb-commits

Tags: #clang, #lldb

Differential Revision: https://reviews.llvm.org/D61333

llvm-svn: 366325

Also simplify some empty output tests with 'count 0'

llvm-svn: 366324

Summary: Extend the atomic optimizer to handle AND, OR and XOR.

Reviewers: arsenm, sheredom

Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64809

llvm-svn: 366323

TME is a future architecture technology, documented in

https://developer.arm.com/architectures/cpu-architecture/a-profile/exploration-tools
https://developer.arm.com/docs/ddi0601/a

More about the future architectures:

https://community.arm.com/developer/ip-products/processors/b/processors-ip-blog/posts/new-technologies-for-the-arm-a-profile-architecture

This patch adds support for the TME instructions TSTART, TTEST, TCOMMIT, and
TCANCEL and the target feature/arch extension "tme".

It also implements TME builtin functions, defined in ACLE Q2 2019
(https://developer.arm.com/docs/101028/latest)

Patch by Javed Absar and Momchil Velikov

Differential Revision: https://reviews.llvm.org/D64416

llvm-svn: 366322

Summary: NFC but should fix a bunch of tests.

Reviewers: kadircet

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64857

llvm-svn: 366321

Summary: fixes second case of https://github.com/clangd/clangd/issues/93

Reviewers: sammccall

Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64789

llvm-svn: 366320

Summary:
Missed in the original commit, use the correct callee-saved register
list for spilling, instead of the standard SVR432 list.  This avoids
needlessly spilling the SPE non-volatile registers when they're not used.

As part of this, also add where missing, and sort, the spill opcode
checks for SPE and SPE4 register classes.

Reviewers: nemanjai, hfinkel, joerg

Subscribers: kbarton, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D56703

llvm-svn: 366319

Summary:
Pointed out in a comment for D49754, register spilling will currently
spill SPE registers at almost any offset.  However, the instructions
`evstdd` and `evldd` require a) 8-byte alignment, and b) a limit of 256
(unsigned) bytes from the base register, as the offset must fix into a
5-bit offset, which ranges from 0-31 (indexed in double-words).

The update to the register spill test is taken partially from the test
case shown in D49754.

Additionally, pointed out by Kei Thomsen, globals will currently use
evldd/evstdd, though the offset isn't known at compile time, so may
exceed the 8-bit (unsigned) offset permitted.  This fixes that as well,
by forcing it to always use evlddx/evstddx when accessing globals.

Part of the patch contributed by Kei Thomsen.

Reviewers: nemanjai, hfinkel, joerg

Subscribers: kbarton, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D54409

llvm-svn: 366318

Add narrowScalar to half of original size for G_ICMP.
ClampScalar G_ICMP's operands 2 and 3 to to s32.
Select G_ICMP for pointers for MIPS32. Pointer compare is same
as for integers, it is enough to declare them as legal type.

Differential Revision: https://reviews.llvm.org/D64856

llvm-svn: 366317

Part of the project that migrates these struct initializers to our
new lldb-tablegen.

llvm-svn: 366316

Differential Revision: https://reviews.llvm.org/D64415

Committed as obvious.

llvm-svn: 366315

Summary: Change-Id: I854fbf7d48e937bef9f8f3f5d0c8aeb970652630

Reviewers: rampitec, mareko

Subscribers: arsenm, kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64807

Change-Id: I4405b3a7f84186acea5a78d291bff71056e745fc
llvm-svn: 366314

Summary: GDS cannot alias anything else.

Original patch by: Marek Olšák

Reviewers: arsenm, mareko

Subscribers: kzhuravl, jvesely, wdng, yaxunl, dstuttard, tpr, t-tye, Petar.Avramovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64114

Change-Id: I07bfbd96f5d5c37a6dfba7997df12f291dd794b0
llvm-svn: 366313

If an intrinsic is defined without outputs, but having side effects,
it still can be removed completely from the program. This patch makes
TableGen not set Attribute::ReadNone for intrinsics which
are declared with IntrHasSideEffects.

Differential Revision: https://reviews.llvm.org/D64414

llvm-svn: 366312

llvm-svn: 366311

Some more tests to increase llvm-ar test coverage, this time for replace 'r' and update 'u'.

Differential Revision: https://reviews.llvm.org/D64803

llvm-svn: 366309

Migrate CallLowering::lowerReturnVal to use the same infrastructure as
lowerCall/FormalArguments and remove the now obsolete code path from
splitToValueTypes.

Forgot to push this earlier.

llvm-svn: 366308

Summary:
After D58892 split the RW PT_LOAD on the PT_GNU_RELRO boundary, the new
layout is:

PT_LOAD(PT_GNU_RELRO(.data.rel.ro .bss.rel.ro)) PT_LOAD(.data. .bss)

The two pageAlign() calls at PT_GNU_RELRO boundaries are redundant due
to the existence of PT_LOAD.

Reviewers: grimar, peter.smith, ruiu, espindola

Reviewed By: ruiu

Subscribers: sfertile, atanasyan, emaste, arichardson, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64854

llvm-svn: 366307

Summary:
Simplify code a bit and add assertion to address post-landing comments
from D64083.

Subscribers: yaxunl, Anastasia, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D64804

llvm-svn: 366306

Starting with Solaris 11.4 (which is now the required minimal version), Solaris does
support __cxa_atexit.  This patch reflects that.

One might consider removing the affected tests altogether instead of inverting them,
as is done on other targets.

Besides, this lets two ASan tests PASS:

  AddressSanitizer-i386-sunos :: TestCases/init-order-atexit.cc
  AddressSanitizer-i386-sunos-dynamic :: TestCases/init-order-atexit.cc

Tested on x86_64-pc-solaris2.11 and sparcv9-sun-solaris2.11.

Differential Revision: https://reviews.llvm.org/D64491

llvm-svn: 366305

llvm-svn: 366304