C++ language standard is not C++98.

llvm-svn: 280309

explicit specialization to a warning for C++98 mode (this is a defect report
resolution, so per our informal policy it should apply in C++98), and turn
the warning on by default for C++11 and later. In all cases where it fires, the
right thing to do is to remove the pointless explicit instantiation.

llvm-svn: 280308

Previously we were assuming that any visitation of types would
necessarily be against a type we had binary data for.  Reasonable
assumption when were just reading PDBs and dumping them, but once
we start writing PDBs from Yaml this breaks down, because we have
no binary data yet, only Yaml, and from that we need to read the
record kind and perform the switch based on that.

So this patch does that.  Instead of having the visitor switch
on the kind that is already in the CVType record, we change the
visitTypeBegin() method to return the Kind, and switch on the
returned value.  This way, the default implementation can still
return the value from the CVType, but the implementation which
visits Yaml records and serializes binary PDB type records can
use the field in the Yaml as the source of the switch.

llvm-svn: 280307

-fprofile-dir=path allows the user to specify where .gcda files should be
emitted when the program is run. In particular, this is the first flag that
causes the .gcno and .o files to have different paths, LLVM is extended to
support this. -fprofile-dir= does not change the file name in the .gcno (and
thus where lcov looks for the source) but it does change the name in the .gcda
(and thus where the runtime library writes the .gcda file). It's different from
a GCOV_PREFIX because a user can observe that the GCOV_PREFIX_STRIP will strip
paths off of -fprofile-dir= but not off of a supplied GCOV_PREFIX.

To implement this we split -coverage-file into -coverage-data-file and
-coverage-notes-file to specify the two different names. The !llvm.gcov
metadata node grows from a 2-element form {string coverage-file, node dbg.cu}
to 3-elements, {string coverage-notes-file, string coverage-data-file, node
dbg.cu}. In the 3-element form, the file name is already "mangled" with
.gcno/.gcda suffixes, while the 2-element form left that to the middle end
pass.

llvm-svn: 280306

llvm-svn: 280305

llvm-svn: 280304

llvm-svn: 280303

Summary: This patch adds asm.js-style setjmp/longjmp handling support for WebAssembly. It also uses JavaScript's try and catch mechanism.

Reviewers: jpp, dschuff

Subscribers: jfb, dschuff

Differential Revision: https://reviews.llvm.org/D23928

llvm-svn: 280302

This reverts commit r280268, it causes all MSVC 2013 to ICE. This
appears to have been fixed in a later MSVC 2013 update, because I cannot
reproduce it locally. That said, all upstream LLVM bots are broken right
now, so I am reverting.

Also reverts dependent change r280275, "[Hexagon] Deal with undefs when
extending live intervals".

llvm-svn: 280301

The enhancement to foldICmpDivConstant ( http://llvm.org/viewvc/llvm-project?view=revision&revision=280299 )
allows us to remove the ConstantInt check; no other changes needed.

llvm-svn: 280300

Converting all of the overflow ops to APInt looked risky, so I've left that as a TODO.

llvm-svn: 280299

llvm-svn: 280298

This occurs before RA pseudos are expanded. It's less
code to emit the copy.

llvm-svn: 280297

This will make future changes easier.

llvm-svn: 280296

llvm-svn: 280295

Fix an issue where a synthetic child provider could only provide a value of the same size as the containing type

llvm-svn: 280294

We were kind of hacking this together before by embedding the
ability to forward requests into the TypeDeserializer.  When
we want to start adding more different kinds of visitor callback
interfaces though, this doesn't scale well and is very inflexible.

So introduce the notion of a pipeline, which itself implements
the TypeVisitorCallbacks interface, but which contains an internal
list of other callbacks to invoke in sequence.

Also update the existing uses of CVTypeVisitor to use this new
pipeline class for deserializing records before visiting them
with another visitor.

llvm-svn: 280293

More preparation for dropping source types from MachineInstrs: regsters coming
out of already-selected code (i.e. non-generic instructions) don't have a type,
but that information is needed so we must add it manually.

This is done via a new G_TYPE instruction.

llvm-svn: 280292

Target->RelativeRel is used for all platforms, but AMDGPU did
not send that member.

Fixes bug 30227 - RelativeRel is used, but not initialized for AMDGPU.

Differential Revision: https://reviews.llvm.org/D24100

llvm-svn: 280291

I tested the cases involving split-dwarf + gmlt +
no-split-dwarf-inlining, but didn't verify the simpler case without
gmlt.

The logic is, admittedly, a little hairy, but seems about as simple as I
could wrangle it.

llvm-svn: 280290

specifications under -fno-exceptions, just as we don't diagnose other exception
specification mismatch errors.

llvm-svn: 280289

indirect virtual bases. We don't need to be able to invoke such an assignment
operator from the derived class, and we shouldn't delete the derived assignment
op if we can't do so.

llvm-svn: 280288

Classes with no virtual methods or whose virtual methods were all
inherited from virtual bases don't have a vfptr at offset zero. We were
crashing attempting to get the layout of that non-existent vftable.

We don't need any vshape info in this case because the debugger can
infer it from the base class information. The current class may not
introduce any virtual methods if we are in this situation.

llvm-svn: 280287

is_initialized is only used in the no threads case or if on non ARM Apple
targets.  Use the preprocessor to remove the function otherwise.  NFC.

llvm-svn: 280286

Summary:
If the register has a negative value then unsigned overflow will occur;
this case is sometimes even created intentionally by LSR. For now
disable GA+reg folding. Fixes PR29127

Differential Revision: https://reviews.llvm.org/D24053

llvm-svn: 280285

Summary:
VERSION commands define symbol versions. The grammar of the
commnad is as follows

  VERSION { version-script-commands }

where version-script-commands is

  [ name ] { version-definitions }.

Note that we already support version-script-commands because
it is being used for version script command.

This patch is based on George's patch https://reviews.llvm.org/D23609

Reviewers: grimar

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D24089

llvm-svn: 280284

Patch by Taras Tsugrii

llvm-svn: 280283

This is prep work before changing the callers to also use APInt which will
allow folds for splat vectors. Currently, the callers have ConstantInt
guards in place, so no functional change intended with this commit.

llvm-svn: 280282

This breaks chromium and its unclear if this is actually a modern convention.

This reverts SVN r280169.

llvm-svn: 280281

Summary:
Current implementation of LI verifier isn't ideal and fails to detect
some cases when LI is incorrect. For instance, it checks that all
recorded loops are in a correct form, but it has no way to check if
there are no more other (unrecorded in LI) loops in the function. This
patch adds a way to detect such bugs.

Reviewers: chandlerc, sanjoy, hfinkel

Subscribers: llvm-commits, silvas, mzolotukhin

Differential Revision: https://reviews.llvm.org/D23437

llvm-svn: 280280

Summary:
Use MemorySSA, if requested, to do less conservative memory dependency
checking.

This change doesn't enable the MemorySSA enhanced EarlyCSE in the
default pipelines, so should be NFC.

Reviewers: dberlin, sanjoy, reames, majnemer

Subscribers: mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D19821

llvm-svn: 280279

Public documentation shouldn't be generated for unit test code and code
that is only meant to be used as snippets in other documentation.

llvm-svn: 280278

Reviewers: jlebar

Subscribers: jprice, parallel_libs-commits

Differential Revision: https://reviews.llvm.org/D24066

llvm-svn: 280277

This makes the test case in r280273 actually useful!

llvm-svn: 280276

llvm-svn: 280275

Summary: This fixes some OpenCV tests that were broken by libclc commit r276443.

Reviewers: arsenm, jvesely

Subscribers: arsenm, wdng, llvm-commits

Differential Revision: https://reviews.llvm.org/D24051

llvm-svn: 280274

Thanks to this patch, we know have a way to easly see if GlobalISel
failed.

llvm-svn: 280273

This pass is now able to report when the function is being reset.

llvm-svn: 280272

This will be used to warm when we fallback in GlobalISel.

llvm-svn: 280271

llvm-svn: 280270