platform/upstream/llvm.git
5 years agolit: Bump version to 0.10.0
Tom Stellard [Thu, 8 Aug 2019 19:22:23 +0000 (19:22 +0000)]
lit: Bump version to 0.10.0

Reviewers: hans

Subscribers: hans, delcypher, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65763

llvm-svn: 368329

5 years ago[clang] Add no-warn support for Wa
Brian Cain [Thu, 8 Aug 2019 19:19:20 +0000 (19:19 +0000)]
[clang] Add no-warn support for Wa

llvm-svn: 368328

5 years ago[llvm-mc] Add reportWarning() to MCContext
Brian Cain [Thu, 8 Aug 2019 19:13:23 +0000 (19:13 +0000)]
[llvm-mc] Add reportWarning() to MCContext

Adding reportWarning() to MCContext, so that it can be used from
the Hexagon assembler backend.

llvm-svn: 368327

5 years ago[clang][NFC] Move matcher ignoringElidableConstructorCall's tests to appropriate...
Yitzhak Mandelbaum [Thu, 8 Aug 2019 18:55:42 +0000 (18:55 +0000)]
[clang][NFC] Move matcher ignoringElidableConstructorCall's tests to appropriate file.

Summary:
`ignoringElidableConstructorCall` is a traversal matcher, but its tests are
grouped with narrowing-matcher tests. This revision moves them to the correct
file.

Reviewers: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65963

llvm-svn: 368326

5 years ago[lld][WebAssembly] Use createGlobalVariable helper function. NFC.
Sam Clegg [Thu, 8 Aug 2019 18:22:03 +0000 (18:22 +0000)]
[lld][WebAssembly] Use createGlobalVariable helper function. NFC.

Differential Revision: https://reviews.llvm.org/D65911

llvm-svn: 368325

5 years ago[X86] Make CMPXCHG16B feature imply CMPXCHG8B feature.
Craig Topper [Thu, 8 Aug 2019 18:11:17 +0000 (18:11 +0000)]
[X86] Make CMPXCHG16B feature imply CMPXCHG8B feature.

This fixes znver1 so that it properly enables CMPXHG8B. We can
probably remove explicit CMPXCHG8B from CPUs that also have
CMPXCHG16B, but keeping this simple to allow cherry pick to 9.0.

Fixes PR42935.

llvm-svn: 368324

5 years agoRecommit Devirtualize destructor of final class.
Hiroshi Yamauchi [Thu, 8 Aug 2019 18:00:49 +0000 (18:00 +0000)]
Recommit Devirtualize destructor of final class.

Original patch commited as r364100, reverted as r364359, recommitted as r365509,
reverted as r365850.

llvm-svn: 368323

5 years agoclang: Diag running out of file handles while looking for files
Nico Weber [Thu, 8 Aug 2019 17:58:32 +0000 (17:58 +0000)]
clang: Diag running out of file handles while looking for files

clang would only print "file not found" when it's unable to find a
header file.  If the reason for that is a file handle leak, that's not a
very useful error message.  For errors that aren't in a small whitelist
("file not found", "file is directory"), print an error with the
strerror() output.

This changes behavior in corner cases: If clang was out of file handles
while looking in one -I dir but then suddenly wasn't when looking in the
next -I dir, and both directories contained a file with the desired
name, previously we'd silently return the file from the second
directory. For this reason, it's important to ignore "is a directory"
for this new diag: if a file foo/foo exists and -I -Ifoo are passed, an
include of "foo" should successfully open file "foo" in directory "foo/"
instead of complaining that "./foo" is a directory.

No test since we mostly hit this when there's a handle leak somewhere,
and currently there isn't one. I manually tested this with the repro
steps in comment 2 on the bug below.

Fixes PR42524.

Differential Revision: https://reviews.llvm.org/D65956

llvm-svn: 368322

5 years ago[globalisel][legalizer] Attempt to write down the minimal legalization rules
Daniel Sanders [Thu, 8 Aug 2019 17:54:23 +0000 (17:54 +0000)]
[globalisel][legalizer] Attempt to write down the minimal legalization rules

Summary:
There aren't very many requirements on the legalization rules but we should
document them.

Reviewers: aditya_nandakumar, volkan, bogner, paquette, aemerson, rovka, arsenm, Petar.Avramovic

Subscribers: wdng, kristof.beyls, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62423

# Conflicts:
# llvm/docs/GlobalISel.rst

llvm-svn: 368321

5 years ago[AArch64] Do not emit '#' before immediates in inline asm
Pirama Arumuga Nainar [Thu, 8 Aug 2019 17:50:39 +0000 (17:50 +0000)]
[AArch64] Do not emit '#' before immediates in inline asm

Summary:
The A64 assembly language does not require the '#' character to
introduce constant immediate operands.  Avoid the '#' since the AArch64
asm parser does not accept '#' before the lane specifier and rejects the
following:
  __asm__ ("fmla v2.4s, v0.4s, v1.s[%0]" :: "I"(0x1))

Fix a test to not expect the '#' and add a new test case with the above
asm.

Fixes: https://github.com/android-ndk/ndk/issues/1036

Reviewers: peter.smith, kristof.beyls

Subscribers: javed.absar, hiraditya, llvm-commits, srhines

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65550

llvm-svn: 368320

5 years ago[clang] Update `ignoringElidableConstructorCall` matcher to ignore `ExprWithCleanups`.
Yitzhak Mandelbaum [Thu, 8 Aug 2019 17:41:44 +0000 (17:41 +0000)]
[clang] Update `ignoringElidableConstructorCall` matcher to ignore `ExprWithCleanups`.

Summary:
The `ExprWithCleanups` node is added to the AST along with the elidable
CXXConstructExpr.  If it is the outermost node of the node being matched, ignore
it as well.

Reviewers: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65944

llvm-svn: 368319

5 years agoRe-commit "[PowerPC][NFC][MachinePipeliner] Add some regression testcases""
Jinsong Ji [Thu, 8 Aug 2019 17:37:58 +0000 (17:37 +0000)]
Re-commit "[PowerPC][NFC][MachinePipeliner] Add some regression testcases""

Remove sms-cpy1.ll first while I investigate the problem.

llvm-svn: 368318

5 years ago[libc++] Fix environment variable passing in libc++'s `SSHExecutor` `lit` utility
Louis Dionne [Thu, 8 Aug 2019 17:33:35 +0000 (17:33 +0000)]
[libc++] Fix environment variable passing in libc++'s `SSHExecutor` `lit` utility

Summary:
Quote the value of environment variables when passing them to the SSH
client in SSHExecutor in libc++'s lit utilities. Without the quotes,
an environment variable like FOO="buzz bar" gets passed incorrectly
like this, ssh env FOO=buzz bar, which causes bar to be treated as a
command to run, not part of the environment variable value.

We ran into this when using SSHExecutor to do bringup of our CUDA
libcu++ port on an embedded aarch64 system.

Patch by Bryce Adelstein Lelbach.

Differential Revision: https://reviews.llvm.org/D65960

llvm-svn: 368317

5 years agolit: Use a License classifier that pypi will accept
Tom Stellard [Thu, 8 Aug 2019 17:23:33 +0000 (17:23 +0000)]
lit: Use a License classifier that pypi will accept

Summary:
'OSI Approved :: Apache-2.0 with LLVM exception' is not a valid
classifier.  'OSI Approved :: Apache Software License' is the closest
fit for the new license, so we've decided to use this one.

The classifiers seem to only be used for searching on the pypi website,
so this does not actually change the license of the code.
We still pass 'Apache-2.0 with LLVM exception' as the license to setup(),
and this appears alongside the classifier on the pypi webpage for lit.

Reviewers: chandlerc, ddunbar, joerg

Reviewed By: joerg

Subscribers: delcypher, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65762

llvm-svn: 368315

5 years ago[clang-doc] Protect Index with mutex during reducing and generation stage
Diego Astiazaran [Thu, 8 Aug 2019 17:14:17 +0000 (17:14 +0000)]
[clang-doc] Protect Index with mutex during reducing and generation stage

Idx in ClangDocContext instance was being modified by multiple threads
causing a seg fault.
A mutex is added to avoid this.

Differential Revision: https://reviews.llvm.org/D65915

llvm-svn: 368313

5 years ago[NFC][pstl] Run clang-format
Louis Dionne [Thu, 8 Aug 2019 17:10:45 +0000 (17:10 +0000)]
[NFC][pstl] Run clang-format

We really need to do that consistently when applying patches.

llvm-svn: 368312

5 years ago[ObjC][ARC] Upgrade calls to ARC runtime functions to intrinsic calls if
Akira Hatanaka [Thu, 8 Aug 2019 16:59:31 +0000 (16:59 +0000)]
[ObjC][ARC] Upgrade calls to ARC runtime functions to intrinsic calls if
the bitcode has the arm64 retainAutoreleasedReturnValue marker

The ARC middle-end passes stopped optimizing or transforming bitcode
that has been compiled with old compilers after we started emitting
calls to ARC runtime functions as intrinsic calls instead of normal
function calls in the front-end and made changes to teach the ARC
middle-end passes about those intrinsics (see r349534). This patch
converts calls to ARC runtime functions that are not intrinsic functions
to intrinsic function calls if the bitcode has the arm64
retainAutoreleasedReturnValue marker. Checking for the presence of the
marker is necessary to make sure we aren't changing ARC function calls
that were originally MRR message sends (see r349952).

rdar://problem/53280660

Differential Revision: https://reviews.llvm.org/D65902

llvm-svn: 368311

5 years ago[lld][WebAssembly] Add optional symbols after input file handling
Sam Clegg [Thu, 8 Aug 2019 16:58:36 +0000 (16:58 +0000)]
[lld][WebAssembly] Add optional symbols after input file handling

This allows undefined references in input files be resolved by the
optional symbols.  Previously we were doing this before input file
reading which means it was working only for command line symbols
references (i.e. -u or --export).

Also use addOptionalDataSymbol for __dso_handle and make all optional
symbols hidden by default.

Differential Revision: https://reviews.llvm.org/D65920

llvm-svn: 368310

5 years ago[lldb][NFC] Simplify return in MaybeHandleVariable
Raphael Isemann [Thu, 8 Aug 2019 16:41:32 +0000 (16:41 +0000)]
[lldb][NFC] Simplify return in MaybeHandleVariable

This function anyway returns true, no need to do this extra work.

llvm-svn: 368309

5 years ago[X86] XFormVExtractWithShuffleIntoLoad - handle shuffle mask scaling
Simon Pilgrim [Thu, 8 Aug 2019 16:05:23 +0000 (16:05 +0000)]
[X86] XFormVExtractWithShuffleIntoLoad - handle shuffle mask scaling

If the target shuffle mask is from a wider type, attempt to scale the mask so that the extraction can attempt to peek through.

Fixes the regression mentioned in rL368307

llvm-svn: 368308

5 years ago[X86] SimplifyDemandedVectorElts - attempt to recombine target shuffle using Demanded...
Simon Pilgrim [Thu, 8 Aug 2019 15:54:20 +0000 (15:54 +0000)]
[X86] SimplifyDemandedVectorElts - attempt to recombine target shuffle using DemandedElts mask

If we don't demand all elements, then attempt to combine to a simpler shuffle.

At the moment we can only do this if Depth == 0 as combineX86ShufflesRecursively uses Depth to track whether the shuffle has really changed or not - we'll need to change this before we can properly start merging combineX86ShufflesRecursively into SimplifyDemandedVectorElts.

The insertps-combine.ll regression is because XFormVExtractWithShuffleIntoLoad can't see through shuffles of different widths - this will be fixed in a follow-up commit.

llvm-svn: 368307

5 years agoEnable assembly output of local commons for AIX
David Tenty [Thu, 8 Aug 2019 15:40:35 +0000 (15:40 +0000)]
Enable assembly output of local commons for AIX

Summary:
This patch enable assembly output of local commons for AIX using .lcomm
directives. Adds a EmitXCOFFLocalCommonSymbol to MCStreamer so we can emit the
AIX version of .lcomm assembly directives which include a csect name. Handle the
case of BSS locals in PPCAIXAsmPrinter by using EmitXCOFFLocalCommonSymbol. Adds
a test for generating .lcomm on AIX Targets.

Reviewers: cebowleratibm, hubert.reinterpretcast, Xiangling_L, jasonliu, sfertile

Reviewed By: sfertile

Subscribers: wuzish, nemanjai, hiraditya, kbarton, MaskRay, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64825

llvm-svn: 368306

5 years ago[ARM] Add support for MVE pre and post inc loads and stores
David Green [Thu, 8 Aug 2019 15:27:58 +0000 (15:27 +0000)]
[ARM] Add support for MVE pre and post inc loads and stores

This adds pre- and post- increment and decrements for MVE loads and stores. It
uses the builtin pre and post load/store detection, unlike Neon. Loads are
selected with the code in tryT2IndexedLoad, stores are selected with tablegen
patterns. The immediates have a +/-7bit range, multiplied by the size of the
element.

Differential Revision: https://reviews.llvm.org/D63840

llvm-svn: 368305

5 years ago[ARM] MVE big endian loads/stores
David Green [Thu, 8 Aug 2019 15:15:19 +0000 (15:15 +0000)]
[ARM] MVE big endian loads/stores

This adds some missing patterns for big endian loads/stores, allowing unaligned
loads/stores to also be selected with an extra VREV, which produces better code
than aligning through a stack. Also moves VLDR_P0 to not be LE only, and
adjusts some of the tests to show all that working.

Differential Revision: https://reviews.llvm.org/D65583

llvm-svn: 368304

5 years ago[RISCV] Allow ABI Names in Inline Assembly Constraints
Sam Elliott [Thu, 8 Aug 2019 14:59:16 +0000 (14:59 +0000)]
[RISCV] Allow ABI Names in Inline Assembly Constraints

Summary:
Clang will replace references to registers using ABI names in inline
assembly constraints with references to architecture names, but other
frontends do not. LLVM uses the regular assembly parser to parse inline asm,
so inline assembly strings can contain references to registers using their
ABI names.

This patch adds support for parsing constraints using either the ABI name or
the architectural register name. This means we do not need to implement the
ABI name replacement code in every single frontend, especially those like
Rust which are a very thin shim on top of LLVM IR's inline asm, and that
constraints can more closely match the assembly strings they refer to.

Reviewers: asb, simoncook

Reviewed By: simoncook

Subscribers: hiraditya, rbar, johnrusso, JDevlieghere, apazos, sabuasal, niosHD, kito-cheng, shiva0217, jrtc27, MaskRay, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, psnobl, benna, Jim, s.egerton, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65947

llvm-svn: 368303

5 years ago[pstl] Remove stray semicolon
Louis Dionne [Thu, 8 Aug 2019 14:49:28 +0000 (14:49 +0000)]
[pstl] Remove stray semicolon

llvm-svn: 368302

5 years ago[FIX][NFC] Update clang sema test
Diogo N. Sampaio [Thu, 8 Aug 2019 14:45:42 +0000 (14:45 +0000)]
[FIX][NFC] Update clang sema test

Try to fix Sema test for default alignment for when
compiling to ARM, but not to android, due
r9427aa2d543b

llvm-svn: 368301

5 years ago[RISCV] Minimal stack realignment support
Sam Elliott [Thu, 8 Aug 2019 14:40:54 +0000 (14:40 +0000)]
[RISCV] Minimal stack realignment support

Summary:
Currently the RISC-V backend does not realign the stack. This can be an issue even for the RV32I/RV64I ABIs (where the stack is 16-byte aligned), though is rare. It will be much more comment with RV32E (though the alignment requirements for common data types remain under-documented...).

This patch adds minimal support for stack realignment. It should cope with large realignments. It will error out if the stack needs realignment and variable sized objects are present.

It feels like a lot of the code like getFrameIndexReference and determineFrameLayout could be refactored somehow, as right now it feels fiddly and brittle. We also seem to allocate a lot more memory than GCC does for equivalent C code.

Reviewers: asb

Reviewed By: asb

Subscribers: wwei, jrtc27, s.egerton, MaskRay, Jim, lenary, hiraditya, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, psnobl, benna, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62007

llvm-svn: 368300

5 years agoImplement hh_mm_ss from P1466R3. Reviewed as https://reviews.llvm.org/D65365.
Marshall Clow [Thu, 8 Aug 2019 14:36:07 +0000 (14:36 +0000)]
Implement hh_mm_ss from P1466R3. Reviewed as https://reviews.llvm.org/D65365.

llvm-svn: 368299

5 years ago[ELF][AArch64] Delete two unused RUN lines from aarch64-movw-tprel.s after D65882
Fangrui Song [Thu, 8 Aug 2019 13:57:53 +0000 (13:57 +0000)]
[ELF][AArch64] Delete two unused RUN lines from aarch64-movw-tprel.s after D65882

llvm-svn: 368298

5 years ago[FileCheck] Add missing includes in header
Thomas Preud'homme [Thu, 8 Aug 2019 13:56:59 +0000 (13:56 +0000)]
[FileCheck] Add missing includes in header

Reviewers: jhenderson, chandlerc, jdenny, probinson, grimar, arichardson, rnk

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65778

llvm-svn: 368297

5 years agoAdd llvm.licm.disable metadata
Tim Corringham [Thu, 8 Aug 2019 13:46:17 +0000 (13:46 +0000)]
Add llvm.licm.disable metadata

For some targets the LICM pass can result in sub-optimal code in some
cases where it would be better not to run the pass, but it isn't
always possible to suppress the transformations heuristically.

Where the front-end has insight into such cases it is beneficial
to attach loop metadata to disable the pass - this change adds the
llvm.licm.disable metadata to enable that.

Differential Revision: https://reviews.llvm.org/D64557

llvm-svn: 368296

5 years ago[OPENMP]Add support for analysis of linear variables and step.
Alexey Bataev [Thu, 8 Aug 2019 13:42:45 +0000 (13:42 +0000)]
[OPENMP]Add support for analysis of linear variables and step.

Summary:
Added support for basic analysis of the linear variables and linear step
expression. Linear loop iteration variables must be excluded from this
analysis, only non-loop iteration variables must be analyzed.

Reviewers: NoQ

Subscribers: guansong, cfe-commits, caomhin, kkwli0

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65461

llvm-svn: 368295

5 years ago[lldb][CMake] Disable modules in Xcode projects
Stefan Granitz [Thu, 8 Aug 2019 13:39:25 +0000 (13:39 +0000)]
[lldb][CMake] Disable modules in Xcode projects

Summary: Apparently, module-enabled builds clash with Xcode's analysis.

Reviewers: aprantl, jingham, davide, teemperor

Reviewed By: davide

Subscribers: mgorny, lldb-commits, #lldb

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D65874

llvm-svn: 368294

5 years ago[ELF][AArch64] Support for movz, movk tprel relocations
Peter Smith [Thu, 8 Aug 2019 13:38:09 +0000 (13:38 +0000)]
[ELF][AArch64] Support for movz, movk tprel relocations

This patch Implements the R_AARCH64_TLSLE_MOVW_TPREL_G*[_NC]. These are
logically the same calculation as the existing TLSLE relocations with
the result written back to mov[nz] and movk instructions. A typical code
sequence is:
movz x0, #:tprel_g2:foo    // bits [47:32] of R_TLS with overflow check
movk x0, #:tprel_g1_nc:foo // bits [31:16] of R_TLS with no overflow check
movk x0, #:tprel_g0_nc:foo // bits [15:0] of R_TLS with no overflow check

This type of code sequence is usually used with a large code model.

Differential Revision: https://reviews.llvm.org/D65882

Fixes: PR42853
llvm-svn: 368293

5 years ago[X86][SSE] matchBinaryPermuteShuffle - split INSERTPS combines
Simon Pilgrim [Thu, 8 Aug 2019 13:23:53 +0000 (13:23 +0000)]
[X86][SSE] matchBinaryPermuteShuffle - split INSERTPS combines

We need to prefer INSERTPS with zeros over SHUFPS, but fallback to INSERTPS if that fails.

llvm-svn: 368292

5 years ago[clangd] Added semantic highlighting support for primitives.
Johan Vikstrom [Thu, 8 Aug 2019 13:10:30 +0000 (13:10 +0000)]
[clangd] Added semantic highlighting support for primitives.

Summary:
Adds a new HighlightingKind "Primitive". Adds a special case for TypeLocs that have an underlying TypePtr that is are builtin types, adding them as primitives.
The primary reason for this change is because otherwise typedefs that typedef primitives `typedef int A` would not get highlighted (so in the example `A` would not get any highlightings.)

Reviewers: hokein, ilya-biryukov

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

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65943

llvm-svn: 368291

5 years ago[Reassociate] add more tests with negative FP constants; NFC
Sanjay Patel [Thu, 8 Aug 2019 13:08:17 +0000 (13:08 +0000)]
[Reassociate] add more tests with negative FP constants; NFC

llvm-svn: 368290

5 years agoObjectFileELF: Convert a unit test to a lit test
Pavel Labath [Thu, 8 Aug 2019 12:57:46 +0000 (12:57 +0000)]
ObjectFileELF: Convert a unit test to a lit test

It is much easier to test this functionality via lldb-test.

llvm-svn: 368289

5 years ago[ARM] Set default alignment to 64bits
Diogo N. Sampaio [Thu, 8 Aug 2019 12:50:36 +0000 (12:50 +0000)]
[ARM] Set default alignment to 64bits

Summary:
The maximum alignment used by ARM arch
is 64bits, not 128.

This could cause overaligned memory
access for 128 bit neon vector that
have unpredictable behaviour.

This fixes: https://bugs.llvm.org/show_bug.cgi?id=42668

Reviewers: ostannard, dmgreen, srhines, danalbert, pirama, peter.smith

Reviewed By: pirama, peter.smith

Subscribers: phosek, thegameg, thakis, llvm-commits, carwil, peter.smith, javed.absar, kristof.beyls, cfe-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D65000

llvm-svn: 368288

5 years ago[clangd] Added an early return from VisitMemberExpr in SemanticHighlighting if underl...
Johan Vikstrom [Thu, 8 Aug 2019 12:43:55 +0000 (12:43 +0000)]
[clangd] Added an early return from VisitMemberExpr in SemanticHighlighting if underlying MemberDecl is a CXXConversionDecl.

Summary:
Conversion operators contain invalid MemberLocs which caused SemanticHighlighting
to emit a lot of error logs in large files as they can occur fairly
often (for example converting StringRef to std string).
As the only thing happening was a lot of error logs being
emited there doesn't really seem to be any way to test this
(no erroneous tokens are added). But emiting as many logs as
were being emited is not wanted.

This also adds a test to guard against regressions for highlightings
disapearing from places where the conversion operators are used as their
behaviour differ from the other CXXMethodDecls.

Reviewers: hokein, ilya-biryukov

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

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65928

llvm-svn: 368287

5 years ago[libc++abi] Fix tests when pstl is enabled
Louis Dionne [Thu, 8 Aug 2019 12:43:20 +0000 (12:43 +0000)]
[libc++abi] Fix tests when pstl is enabled

llvm-svn: 368286

5 years ago[pstl] Error out when the backend is left unspecified
Louis Dionne [Thu, 8 Aug 2019 12:43:13 +0000 (12:43 +0000)]
[pstl] Error out when the backend is left unspecified

Instead of silently falling back to the serial backend, it's better if
we fail loudly when the parallel backend is left unspecified. Since we
have a __pstl_config_site header, a backend should always be specified.

llvm-svn: 368285

5 years ago[pstl] Add a __pstl_config_site header to record the CMake configuration
Louis Dionne [Thu, 8 Aug 2019 12:43:04 +0000 (12:43 +0000)]
[pstl] Add a __pstl_config_site header to record the CMake configuration

This commit adds a __pstl_config_site header that contains the value of
macros specified at CMake configuration time. It works similarly to
libc++'s __config_site header, except we always include it as a separate
file instead of concatenating it to the main configuration header.

It is necessary to thread the includes for that header into libc++'s
lit configuration, otherwise we'd be requiring an installation step
prior to running the test suite.

llvm-svn: 368284

5 years ago[clangd] Don't include internal gtest header.
Haojian Wu [Thu, 8 Aug 2019 12:33:12 +0000 (12:33 +0000)]
[clangd] Don't include internal gtest header.

llvm-svn: 368283

5 years ago[clangd] Remove a function accidently being added in rL368261.
Haojian Wu [Thu, 8 Aug 2019 12:19:01 +0000 (12:19 +0000)]
[clangd] Remove a function accidently being added in rL368261.

llvm-svn: 368282

5 years agoFix check in tools/gold/X86/strip_names.ll regarding unnamed args
Bjorn Pettersson [Thu, 8 Aug 2019 12:11:13 +0000 (12:11 +0000)]
Fix check in tools/gold/X86/strip_names.ll regarding unnamed args

After r367755 value numbers are printed for unnamed
function arguments. The tools/gold/X86/strip_names.ll
was not updated in that commit, so this patch can be
seen as a follow up to r367755.

llvm-svn: 368281

5 years ago[clang-format] fix crash involving invalid preprocessor line
Krasimir Georgiev [Thu, 8 Aug 2019 11:56:18 +0000 (11:56 +0000)]
[clang-format] fix crash involving invalid preprocessor line

Summary:
This (invalid) fragment is crashing clang-format:
```
#if 1
int x;
#elif
int y;
#endif
```

The reason being that the parser expects a token after `#elif`, and the
subsequent parsing of the next line does not check if `CurrentToken` is null.

Reviewers: gribozavr

Reviewed By: gribozavr

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65940

llvm-svn: 368280

5 years agoFix LLDB_CONFIGURATION_DEBUG builds for the GetSymbolVendor removal
Pavel Labath [Thu, 8 Aug 2019 11:49:55 +0000 (11:49 +0000)]
Fix LLDB_CONFIGURATION_DEBUG builds for the GetSymbolVendor removal

fix one usage that is ifdefed-out in non-debug builds.

llvm-svn: 368279

5 years ago[X86][SSE] Add x64 load use test case
Simon Pilgrim [Thu, 8 Aug 2019 11:24:23 +0000 (11:24 +0000)]
[X86][SSE] Add x64 load use test case

llvm-svn: 368278

5 years ago[clangd] Correct the documentation, NFC.
Haojian Wu [Thu, 8 Aug 2019 10:58:16 +0000 (10:58 +0000)]
[clangd] Correct the documentation, NFC.

llvm-svn: 368277

5 years ago[TargetLowering] SimplifyDemandedBits - call SimplifyMultipleUseDemandedBits for...
Simon Pilgrim [Thu, 8 Aug 2019 10:37:03 +0000 (10:37 +0000)]
[TargetLowering] SimplifyDemandedBits - call SimplifyMultipleUseDemandedBits for ISD::EXTRACT_VECTOR_ELT

This patch attempts to peek through vectors based on the demanded bits/elt of a particular ISD::EXTRACT_VECTOR_ELT node, allowing us to avoid dependencies on ops that have no impact on the extract.

In particular this helps remove some unnecessary scalar->vector->scalar patterns.

The wasm shift patterns are annoying - @tlively has indicated that the wasm vector shift codegen are to be refactored in the near-term and isn't considered a major issue.

Differential Revision: https://reviews.llvm.org/D65887

llvm-svn: 368276

5 years ago[MCA] Remove dependency from InstrBuilder in mca::Context. NFC
Andrea Di Biagio [Thu, 8 Aug 2019 10:30:58 +0000 (10:30 +0000)]
[MCA] Remove dependency from InstrBuilder in mca::Context. NFC

InstrBuilder is not required to construct the default pipeline.

llvm-svn: 368275

5 years ago[MIPS GlobalISel] Select jump_table and brjt
Petar Avramovic [Thu, 8 Aug 2019 10:21:12 +0000 (10:21 +0000)]
[MIPS GlobalISel] Select jump_table and brjt

G_JUMP_TABLE and G_BRJT appear from translation of switch statement.
Select these two instructions for MIPS32, both pic and non-pic.

Differential Revision: https://reviews.llvm.org/D65861

llvm-svn: 368274

5 years ago[llcm-readobj] - Fix BB after t368272.
George Rimar [Thu, 8 Aug 2019 10:05:00 +0000 (10:05 +0000)]
[llcm-readobj] - Fix BB after t368272.

Seems I forgot to update this test case.

llvm-svn: 368273

5 years ago[yaml2obj/obj2yaml] - Add a basic support for extended section indexes.
George Rimar [Thu, 8 Aug 2019 09:49:05 +0000 (09:49 +0000)]
[yaml2obj/obj2yaml] - Add a basic support for extended section indexes.

In some cases a symbol might have section index == SHN_XINDEX.
This is an escape value indicating that the actual section header index
is too large to fit in the containing field.
Then the SHT_SYMTAB_SHNDX section is used. It contains the 32bit values
that stores section indexes.

ELF gABI says that there can be multiple SHT_SYMTAB_SHNDX sections,
i.e. for example one for .symtab and one for .dynsym
(1) https://groups.google.com/forum/#!topic/generic-abi/-XJAV5d8PRg
(2) DT_SYMTAB_SHNDX: http://www.sco.com/developers/gabi/latest/ch5.dynamic.html

In this patch I am only supporting a single SHT_SYMTAB_SHNDX associated
with a .symtab. This is a more or less common case which is used a few tests I saw in LLVM.

I decided not to create the SHT_SYMTAB_SHNDX section as "implicit",
but implement is like a kind of regular section for now.
i.e. tools do not recreate this section or its content, like they do for
symbol table sections, for example. That should allow to write all kind of
possible broken test cases for our needs and keep the output closer to requested.

Differential revision: https://reviews.llvm.org/D65446

llvm-svn: 368272

5 years agoAdd a missing include to SymbolFilePDBTests.cpp
Pavel Labath [Thu, 8 Aug 2019 09:43:20 +0000 (09:43 +0000)]
Add a missing include to SymbolFilePDBTests.cpp

This should _really_ fix the pdb unit tests.

llvm-svn: 368271

5 years ago[Extract] Fixed SemicolonExtractionPolicy for SwitchStmt and SwitchCase
Shaurya Gupta [Thu, 8 Aug 2019 08:37:49 +0000 (08:37 +0000)]
[Extract] Fixed SemicolonExtractionPolicy for SwitchStmt and SwitchCase

Reviewers: arphaman, sammccall

Subscribers: dexonsmith, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65883

llvm-svn: 368267

5 years agoRemove xcode-specific Config.h
Pavel Labath [Thu, 8 Aug 2019 08:27:25 +0000 (08:27 +0000)]
Remove xcode-specific Config.h

Summary:
Now that the xcode project is removed, we no longer need/use the
hand-maintained Config.h file, as everything is configured through
cmake.

This patch deletes that file and reverts some of the changes from
r300372, which were made to support this use case.

Reviewers: sgraenitz, beanz

Subscribers: mgorny, lldb-commits

Differential Revision: https://reviews.llvm.org/D65862

llvm-svn: 368266

5 years agoFix PDB unit tests for the GetSymbolVendor deletion
Pavel Labath [Thu, 8 Aug 2019 08:22:26 +0000 (08:22 +0000)]
Fix PDB unit tests for the GetSymbolVendor deletion

llvm-svn: 368265

5 years ago[ARM] Select VFMA
Sam Tebbs [Thu, 8 Aug 2019 08:21:01 +0000 (08:21 +0000)]
[ARM] Select VFMA

llvm-svn: 368264

5 years agoRemove Module::GetSymbolVendor
Pavel Labath [Thu, 8 Aug 2019 07:34:07 +0000 (07:34 +0000)]
Remove Module::GetSymbolVendor

Summary:
This patch removes the GetSymbolVendor function, and the various
mentions of the SymbolVendor in the Module class. The implementation of
GetSymbolVendor is "inlined" into the GetSymbolFile class which I
created earlier.

After this patch, the SymbolVendor class still exists inside the Module
object, but only as an implementation detail -- a fancy holder for the
SymbolFile. That will be removed in the next patch.

Reviewers: clayborg, JDevlieghere, jingham, jdoerfert

Subscribers: jfb, lldb-commits

Differential Revision: https://reviews.llvm.org/D65864

llvm-svn: 368263

5 years ago[ELF] - An attemp to fix builld bit after r368260
George Rimar [Thu, 8 Aug 2019 07:29:07 +0000 (07:29 +0000)]
[ELF] - An attemp to fix builld bit after r368260

BB: http://lab.llvm.org:8011/builders/lld-perf-testsuite/builds/17577/steps/build-bin%2Flld/logs/stdio

The error is:
/home/buildslave/slave_as-bldslv8/lld-perf-testsuite/llvm/include/llvm/Object/ELF.h:67:14:
error: 'static' function 'defaultWarningHandler' declared in header file should be declared 'static inline' [-Werror,-Wunneeded-internal-declaration]
static Error defaultWarningHandler(const Twine &Msg) { return createError(Msg); }
             ^

llvm-svn: 368262

5 years ago[clangd] Fix implicit template instatiations appearing as topLevelDecls.
Johan Vikstrom [Thu, 8 Aug 2019 07:21:06 +0000 (07:21 +0000)]
[clangd] Fix implicit template instatiations appearing as topLevelDecls.

Summary: The parser gives implicit template instantiations to the action's HandleTopLevelDecls callback. This makes semantic highlighting highlight these templated functions multiple times. Fixed by filtering on if a Decl is an implicit function/variable/class instantiation. Also added a testcase to semantic highlighting on this.

Reviewers: hokein, ilya-biryukov

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

Tags: #clang

Differential Revision: https://reviews.llvm.org/D65510

llvm-svn: 368261

5 years ago[llvm-readobj/libObject] - Introduce a custom warning handler for `ELFFile<ELFT>...
George Rimar [Thu, 8 Aug 2019 07:17:35 +0000 (07:17 +0000)]
[llvm-readobj/libObject] - Introduce a custom warning handler for `ELFFile<ELFT>` methods.

Currently, we have a code duplication in llvm-readobj which was introduced in D63266.
The duplication was introduced to allow llvm-readobj to dump the partially
broken object. Methods in ELFFile<ELFT> perform a strict validation of the inputs,
what is itself good, but not for dumper tools, that might want to dump the information,
even if some pieces are broken/unexpected.

This patch introduces a warning handler which can be passed to ELFFile<ELFT> methods
and can allow skipping the non-critical errors when needed/possible.

For demonstration, I removed the duplication from llvm-readobj and implemented a warning using
the new custom warning handler. It also deduplicates the strings printed, making the output less verbose.

Differential revision: https://reviews.llvm.org/D65515

llvm-svn: 368260

5 years ago[diagtool] Use `operator<<(Colors)` to print out colored output.
Rui Ueyama [Thu, 8 Aug 2019 07:04:01 +0000 (07:04 +0000)]
[diagtool] Use `operator<<(Colors)` to print out colored output.

r368131 introduced this new API to print out messages in colors.
If the colored output is disabled, `operator<<(Colors)` becomes nop.
No functionality change intended.

Differential Revision: https://reviews.llvm.org/D65854

llvm-svn: 368259

5 years ago[X86] Remove -x86-experimental-vector-widening-legalization command line option and...
Craig Topper [Thu, 8 Aug 2019 06:48:22 +0000 (06:48 +0000)]
[X86] Remove -x86-experimental-vector-widening-legalization command line option and all its uses.

This option is now defaulted to true and we don't want to support
turning it off so remove the option.

llvm-svn: 368258

5 years ago[ARM] Tighten up VLDRH.32 with low alignments
David Green [Thu, 8 Aug 2019 06:22:03 +0000 (06:22 +0000)]
[ARM] Tighten up VLDRH.32 with low alignments

VLDRH needs to have an alignment of at least 2, including the
widening/narrowing versions. This tightens up the ISel patterns for it and
alters allowsMisalignedMemoryAccesses so that unaligned accesses are expanded
through the stack. It also fixed some incorrect shift amounts, which seemed to
be passing a multiple not a shift.

Differential Revision: https://reviews.llvm.org/D65580

llvm-svn: 368256

5 years ago[ARM] Rejig MVE load store tests. NFC
David Green [Thu, 8 Aug 2019 05:58:48 +0000 (05:58 +0000)]
[ARM] Rejig MVE load store tests. NFC

This adjusts the load/store tests for better testing of alignments. It also
adds some extra alignment 1 tests, useful for future commits.

llvm-svn: 368255

5 years agoRevert "Temporarily bump minimum compiler version"
JF Bastien [Thu, 8 Aug 2019 05:47:59 +0000 (05:47 +0000)]
Revert "Temporarily bump minimum compiler version"

It's been in for more than 30 min and no bots have complained. Let's see if some
slow ones catch up. I'll do another manual pass on bots later (in case some that
were down are back up), and then turn this on permanently through a regular
review.

llvm-svn: 368253

5 years agoTemporarily bump minimum compiler version
JF Bastien [Thu, 8 Aug 2019 05:12:20 +0000 (05:12 +0000)]
Temporarily bump minimum compiler version

It's pretty hard to find a reliable list of which bots use which compiler version... so I'm going to commit this change which allows us to mandate the compilers required for C++14. This bump is what we've already agreed to do, so I'll use the list of failures to figure out which bots need to bump their compiler version. I'll revert the change in a few minutes.

The last discussion of this is here: http://lists.llvm.org/pipermail/llvm-dev/2019-August/134360.html

llvm-svn: 368252

5 years ago[Driver] Delete XFAIL: windows-msvc after D65880/r368245
Fangrui Song [Thu, 8 Aug 2019 04:56:21 +0000 (04:56 +0000)]
[Driver] Delete XFAIL: windows-msvc after D65880/r368245

`-target %itanium_abi_triple` fixed the problem.

llvm-svn: 368251

5 years ago[X86] Add CMOV_FR32X and CMOV_FR64X to the isCMOVPseudo function.
Craig Topper [Thu, 8 Aug 2019 04:40:59 +0000 (04:40 +0000)]
[X86] Add CMOV_FR32X and CMOV_FR64X to the isCMOVPseudo function.

llvm-svn: 368250

5 years ago[Materializer] Remove wrong SetSizeAndAlignmentFromType().
Davide Italiano [Thu, 8 Aug 2019 03:15:48 +0000 (03:15 +0000)]
[Materializer] Remove wrong SetSizeAndAlignmentFromType().

This function is unused.  It's also wrong, because it computes
the size and the alignment of the type without asking the runtime,
so it doesn't work for any language that has one (e.g. swift).

One could consider re-implementing this passing an execution scope
context, and modifying GetTypeBitAlign() to do the right thing,
but given there are no uses, it's not really useful.

llvm-svn: 368249

5 years ago[GISel][NFC]: Make members of CombinerHelper accessible in derived classes
Aditya Nandakumar [Thu, 8 Aug 2019 02:24:57 +0000 (02:24 +0000)]
[GISel][NFC]: Make members of CombinerHelper accessible in derived classes

https://reviews.llvm.org/D65842

Make some members protected to enable access in derived classes.

llvm-svn: 368248

5 years agoSync ioctl(2) list with NetBSD 9.99.3
Kamil Rytarowski [Thu, 8 Aug 2019 02:21:44 +0000 (02:21 +0000)]
Sync ioctl(2) list with NetBSD 9.99.3

Register 36 new ioctl(2) calls.

Enable NVMM for amd64 as the API has been stabilized.

llvm-svn: 368247

5 years agoUpdate generate_netbsd_ioctls.awk for NetBSD 9.99.3
Kamil Rytarowski [Thu, 8 Aug 2019 02:08:23 +0000 (02:08 +0000)]
Update generate_netbsd_ioctls.awk for NetBSD 9.99.3

Register new ioctl argument types passed in ioctl(2) calls.

llvm-svn: 368246

5 years ago[Driver] Move LIBRARY_PATH before user inputs
Fangrui Song [Thu, 8 Aug 2019 01:55:27 +0000 (01:55 +0000)]
[Driver] Move LIBRARY_PATH before user inputs

Fixes PR16786

Currently, library paths specified by LIBRARY_PATH are placed after inputs: `inputs LIBRARY_PATH stdlib`
In gcc, the order is: `LIBRARY_PATH inputs stdlib` if not cross compiling.
(On Darwin targets, isCrossCompiling() always returns false.)

This patch changes the behavior to match gcc.

Reviewed By: hfinkel

Differential Revision: https://reviews.llvm.org/D65880

llvm-svn: 368245

5 years agoInline diagnostic text into .td file. NFC.
Richard Trieu [Thu, 8 Aug 2019 01:45:31 +0000 (01:45 +0000)]
Inline diagnostic text into .td file.  NFC.

llvm-svn: 368244

5 years ago[Utility] Remove unused function 'GetMatchSpanningIndices'
Jonas Devlieghere [Thu, 8 Aug 2019 01:44:03 +0000 (01:44 +0000)]
[Utility] Remove unused function 'GetMatchSpanningIndices'

llvm-svn: 368243

5 years agoAdd LLD as a requirement for hwasan tests because of change in r368111.
Douglas Yung [Thu, 8 Aug 2019 01:08:22 +0000 (01:08 +0000)]
Add LLD as a requirement for hwasan tests because of change in r368111.

llvm-svn: 368242

5 years ago[llvm-strip] Support --strip-sections
Wolfgang Pieb [Thu, 8 Aug 2019 00:35:16 +0000 (00:35 +0000)]
[llvm-strip] Support --strip-sections

llvm-objcopy already supports --strip-sections. It is a good fit for its alias llvm-strip
to support it as well.

Reviewers: rupprecht, jhenderson

Differential Revision: https://reviews.llvm.org/D65787

llvm-svn: 368241

5 years agoRevert "[libc++] Take 3: Do not cleverly link against libc++abi just because it happe...
Louis Dionne [Thu, 8 Aug 2019 00:28:06 +0000 (00:28 +0000)]
Revert "[libc++] Take 3: Do not cleverly link against libc++abi just because it happens to be there"

This also reverts "[libc++] Remove temporary hack for D63883".
Clearly, I don't understand how the Linux build bots are configured.

Differential Revision: https://reviews.llvm.org/D63883

llvm-svn: 368238

5 years agoUpdate fix-it hints for std::move warnings.
Richard Trieu [Thu, 8 Aug 2019 00:12:51 +0000 (00:12 +0000)]
Update fix-it hints for std::move warnings.

Fix -Wpessimizing-move and -Wredundant-move when warning on initializer lists.
The new fix-it hints for removing the std::move call will now also suggest
removing the braces for the initializer list so that the resulting code will
still be compilable.

This fixes PR42832

llvm-svn: 368237

5 years ago[llvm-lipo] Update llvm-lipo docs for -info -thin -create -replace -segalign flags
Anusha Basana [Wed, 7 Aug 2019 23:25:12 +0000 (23:25 +0000)]
[llvm-lipo] Update llvm-lipo docs for -info -thin -create -replace -segalign flags

Summary:
The information for -info -thin -create -replace and -segalign flags are added to llvm-lipo.rst

Test Plan:

Reviewers: smeenai, alexshap, compnerd, mtrent

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65676

llvm-svn: 368235

5 years ago[ScalarizeMaskedMemIntrin] Add test case for expanding scatter.
Craig Topper [Wed, 7 Aug 2019 23:16:29 +0000 (23:16 +0000)]
[ScalarizeMaskedMemIntrin] Add test case for expanding scatter.

This pass expands 6 intrinsics, but we only had test for 5 of
them.

llvm-svn: 368234

5 years ago[Docs] Fix (incorrect) code highlighting
Jonas Devlieghere [Wed, 7 Aug 2019 23:12:40 +0000 (23:12 +0000)]
[Docs] Fix (incorrect) code highlighting

llvm-svn: 368233

5 years agoRecommit "[MS] Emit S_HEAPALLOCSITE debug info in Selection DAG"
Amy Huang [Wed, 7 Aug 2019 22:49:40 +0000 (22:49 +0000)]
Recommit "[MS] Emit S_HEAPALLOCSITE debug info in Selection DAG"
with a fix to clear the SDNode map when SelectionDAG is cleared.

llvm-svn: 368230

5 years agogdb-index: Wire up str_offsets section to avoid incorrect error message about offsets...
David Blaikie [Wed, 7 Aug 2019 22:49:14 +0000 (22:49 +0000)]
gdb-index: Wire up str_offsets section to avoid incorrect error message about offsets_base

There's still a need for a deeper fix to the way libDebugInfoDWARF error
messages are propagated up to lld - if lld had exited non-zero on this
error message we would've found the issue sooner.

llvm-svn: 368229

5 years ago[Attributor][NFC] remove leftover and format code
Johannes Doerfert [Wed, 7 Aug 2019 22:49:06 +0000 (22:49 +0000)]
[Attributor][NFC] remove leftover and format code

llvm-svn: 368228

5 years ago[Attributor][Stats] Locate statistics tracking with the attributes
Johannes Doerfert [Wed, 7 Aug 2019 22:46:11 +0000 (22:46 +0000)]
[Attributor][Stats] Locate statistics tracking with the attributes

Summary:
The ever growing switch required Attribute::AttrKind values but they
might not be available for all abstract attributes we deduce. With the
new method we track statistics at the abstract attribute level. The
provided macros simplify the usage and make the messages uniform.

Reviewers: sstefan1, uenoku

Subscribers: hiraditya, bollu, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65732

llvm-svn: 368227

5 years agoAdjust a ValueObjectChild's offset when the child is a bitfield
Adrian Prantl [Wed, 7 Aug 2019 22:40:05 +0000 (22:40 +0000)]
Adjust a ValueObjectChild's offset when the child is a bitfield

If a bitfield doesn't fit into the child_byte_size'd window at
child_byte_offset, move the window forward until it fits.  The problem
here is that Value has no notion of bitfields and thus the Value's
DataExtractor is sized like the bitfields CompilerType; a sequence of
bitfields, however, can be larger than their underlying type.

This was not in the big-endian-derived DWARF 2 bitfield attributes
because their offsets were counted from the end of the window, so they
always fit.

rdar://problem/53132189

Differential Revision: https://reviews.llvm.org/D65492

llvm-svn: 368226

5 years ago[Attributor][NFC] Code simplification and style normalization
Johannes Doerfert [Wed, 7 Aug 2019 22:36:15 +0000 (22:36 +0000)]
[Attributor][NFC] Code simplification and style normalization

llvm-svn: 368225

5 years ago[Attributor] Introduce a state wrapper class
Johannes Doerfert [Wed, 7 Aug 2019 22:34:26 +0000 (22:34 +0000)]
[Attributor] Introduce a state wrapper class

Summary:
The wrapper reduces boilerplate code and also provide a nice way to
determine the state type used by an abstract attributes statically via
AAType::StateType.

This was already discussed as part of the review of D65711.

Reviewers: sstefan1, uenoku

Subscribers: hiraditya, bollu, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65786

llvm-svn: 368224

5 years ago[Attributor][NFC] Avoid unnecessary liveness queries
Johannes Doerfert [Wed, 7 Aug 2019 22:32:38 +0000 (22:32 +0000)]
[Attributor][NFC] Avoid unnecessary liveness queries

If we know everything is live there is no need to query for liveness.
Indicating a pessimistic fixpoint will cause the state to be "invalid"
which will cause the Attributor to not return the AAIsDead on request,
which will prevent us from querying isAssumedDead().

llvm-svn: 368223

5 years ago[Attributor] Provide easier checkForallReturnedValues functionality
Johannes Doerfert [Wed, 7 Aug 2019 22:27:24 +0000 (22:27 +0000)]
[Attributor] Provide easier checkForallReturnedValues functionality

Summary:
So far, whenever one wants to look at returned values, one had to deal
with the AAReturnedValues and potentially with the AAIsDead attribute.
In the same spirit as other checkForAllXXX methods, we add this
functionality now to the Attributor. By adopting the use sites we got
better results when return instructions were dead.

Reviewers: sstefan1, uenoku

Subscribers: hiraditya, bollu, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D65733

llvm-svn: 368222

5 years ago[llvm-readobj][test] Add baseline tests for FreeBSD/AMD/AMDGPU note printing
Jordan Rupprecht [Wed, 7 Aug 2019 22:21:49 +0000 (22:21 +0000)]
[llvm-readobj][test] Add baseline tests for FreeBSD/AMD/AMDGPU note printing

llvm-svn: 368221

5 years agoAdd a test demonstrating DWARF parse failures are not causing lld to exit non-zero
David Blaikie [Wed, 7 Aug 2019 22:05:33 +0000 (22:05 +0000)]
Add a test demonstrating DWARF parse failures are not causing lld to exit non-zero

This bug was/is masking other issues - committing this to demonstrate
the problem/track fixing it.

llvm-svn: 368220

5 years agoRestrict the NetBSD ASan TSD fallback to !ASAN_DYNAMIC
Kamil Rytarowski [Wed, 7 Aug 2019 21:56:43 +0000 (21:56 +0000)]
Restrict the NetBSD ASan TSD fallback to !ASAN_DYNAMIC

The fallback to the alternative implementation of TSD with TLS
is only needed for the static version of ASan for NetBSD.

The same code cannot be reused for the dynamic version of ASan as
TLS breaks and TSD code works.

llvm-svn: 368219

5 years ago[HWASan] Use LLD for check-hwasan.
Mitch Phillips [Wed, 7 Aug 2019 21:56:21 +0000 (21:56 +0000)]
[HWASan] Use LLD for check-hwasan.

HWASan+globals build fix in rL368111 unfortunately didn't fix the
problem when clang_cflags specified -fuse-ld=ld.gold. Change the order
to force lld in an attempt to fix the Android sanitizer bot.

llvm-svn: 368218