llvm-svn: 314243

Add padding inside team structure to keep same structure size.

llvm-svn: 314242

This function is used to perform semantic analysis on Microsoft style
`__va_start`.  Rename it to make this more explicit.  `__va_start` is
marked as `ALL_MS_LANGUAGES`, and requires Microsoft compatibility.
Other GNU targets will use `__builtin_va_start` instead.  NFC.

Addresses post-commit review comments from David Majnemer.

llvm-svn: 314241

llvm-svn: 314240

Add support for the `preserve_mostcc` and `preserve_allcc` on Windows
x86_64 and AArch64.  This is used by Swift.

llvm-svn: 314236

It was brought up in response to my last implementation for
this struct-as-interface features that at least 1 header in
the MS SDK uses "extern C++" around an IUnknown declaration.

The previous implementation demanded that this type exist
in the TranslationUnit DeclContext.  This small change simply
also allows in the situation where we're extern "C++".

llvm-svn: 314235

[X86][LLVM]Expanding Supports lowerInterleavedStore() in X86InterleavedAccess (VF{8|16|32} stride 3)

This patch expands the support of lowerInterleavedStore to {8|16|32}x8i stride 3.

LLVM creates suboptimal shuffle code-gen for AVX2. In overall, this patch is a specific fix for the pattern (Strid=3 VF={8|16|32}) .
This patch is part two of two patches and it covers the store (interlevaed) side.

The patch goal is to optimize the following sequence:
a0 a1 a2 a3 a4 a5 a6 a7
b0 b1 b2 b3 b4 b5 b6 b7
c0 c1 c2 c3 c4 c5 c6 c7

into
a0 b0 c0 a1 b1 c1 a2 b2
c2 a3 b3 c3 a4 b4 c4 a5
b5 c5 a6 b6 c6 a7 b7 c7

Reviewers:
zvi
guyblank
dorit
Ayal

Differential Revision: https://reviews.llvm.org/D37117

Change-Id: I56ced8bcbea809a37654060771911ade20246ccc
llvm-svn: 314234

If this transformation succeeds, we're going to remove our dependency on the shift by rewriting the and. So it doesn't matter how many uses the shift has.

This distributes the one use check to other transforms in foldICmpAndConstConst that do need it.

Differential Revision: https://reviews.llvm.org/D38206

llvm-svn: 314233

llvm-svn: 314232

When selecting constructors for initializing an object of type T from a single
expression of class type U, also consider conversion functions of U that
convert to T (rather than modeling such conversions as calling a conversion
function and then calling a constructor).

This approach is proposed as the resolution for the defect, and is also already
implemented by GCC.

llvm-svn: 314231

It is useful for the symbol to contain the index of the
function of global it represents in the function/global
index space.

For imports we also store the import index so that the
linker can find, for example, the signature of the
corresponding function, which is defined by the import

In the long run we need to decide whether this API
surface should be closer to binary (where imported
functions are seperate) or the wasm spec (where the
function index space is unified).

Differential Revision: https://reviews.llvm.org/D38189

llvm-svn: 314230

Discovered that 'nothrow' (which is supposed to be an alias for noexcept)
was not warning with a throw inside of it. This patch corrects the behavior
previously created to add 'nothrow' to this list.

Differential Revision: https://reviews.llvm.org/D38203

llvm-svn: 314229

Summary: Test for checking if the mapping is performed correctly. This is a test initially included in Patch https://reviews.llvm.org/D29905

Reviewers: Hahnfeld, carlo.bertolli, caomhin

Reviewed By: Hahnfeld

Subscribers: tra, cfe-commits

Differential Revision: https://reviews.llvm.org/D38040

llvm-svn: 314228

This change adds support for dynamic relocations (allocated
SHT_REL/SHT_RELA sections with a dynamic symbol table as their link).

The binary I added for the test is here:
https://drive.google.com/file/d/0B3gtIAmiMwZXSjJUZE9pUjd4M0k/view?usp=sharing

Unless support for dynamic symbol tables in yaml2obj is added this is
needed.

Differential Revision: https://reviews.llvm.org/D37915

llvm-svn: 314227

The `__va_start` intrinsic for Windows ARM does not account for const
correctness when performing a check.  All local qualifiers are ignored
when validating the invocation.  This was exposed by building the swift
stdlib against the Windows 10586 SDK for ARM.  Simply expand out the
check for the two parameters and ignore the qualifiers for the check.

llvm-svn: 314226

The IR dynamic checks are self-contained functions whose job is to

- verify that pointers referenced in an expression are valid at runtime; and
- verify that selectors sent to Objective-C objects by an expression are
  actually supported by that object.

These dynamic checks forward-declare all the functions they use and should not
require any external debug information. The way they ensure this is by marking
all the names they use with a dollar sign ($). The expression parser recognizes
such symbols and perform no lookups for them.

This patch fixes three issues surrounding the use of the dollar sign:

- to fix a MIPS issue, the name of the pointer checker was changed from
  starting with $ to starting with _$, but this was not properly ignored; and
- the Objective-C object checker used a temporary variable that did not start
  with $.
- the Objective-C object checker used an externally-defined struct (struct
  objc_selector) but didn't need to.

The patch also implements some cleanup in the area:

- it reformats the string containing the Objective-C object checker,
  which was mangled horribly when the code was transformed to a uniform width
  of 80 columns, and
- it factors out the logic for ignoring global $-symbols into common code
  shared between ClangASTSource and ClangExpressionDeclMap.

Differential Revision: https://reviews.llvm.org/D38153

llvm-svn: 314225

Summary:
Previous parts: D38139, D38183.

In this part of the refactor, we abstract the Linux vs Android TSD dissociation
in favor of a Exclusive vs Shared one, allowing for easier platform introduction
and configuration.

Most of this change consist of shuffling the files around to reflect the new
organization.

We introduce `scudo_platform.h` where platform specific definition lie. This
involves the TSD model and the platform specific allocator parameters. In an
upcoming CL, those will be configurable via defines, but we currently stick
with conservative defaults.

Reviewers: alekseyshl, dvyukov

Reviewed By: alekseyshl, dvyukov

Subscribers: srhines, llvm-commits, mgorny

Differential Revision: https://reviews.llvm.org/D38244

llvm-svn: 314224

Differential Revision: https://reviews.llvm.org/D38191

llvm-svn: 314223

llvm-svn: 314222

Summary: This patch extends the v8i32/v4i32 custom lowering to support v16i32

Reviewers: zvi, RKSimon

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D38274

llvm-svn: 314221

llvm-svn: 314220

Summary:
The module list should only be invalidated by dlopen and dlclose,
so the symbolizer should only re-generate it when we've hit one of those functions.

Reviewers: kubamracek, rnk, vitalybuka

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D37268

llvm-svn: 314219

Create a directory to store discussions on potentially useful features that are
not yet implemented in the analyzer.

Fill it with a discussion on representing checker-specific parts of the program
state for C++ object modeling, that occured in D35216.

Differential Revision: https://reviews.llvm.org/D36737

llvm-svn: 314218

Summary: If we only use the compiler front-end, do not throw an error about the cuda device library not being found. This allows the front-end to be run on systems where no Cuda installation is found.

Reviewers: Hahnfeld, ABataev, carlo.bertolli, caomhin, tra

Reviewed By: tra

Subscribers: hfinkel, tra, cfe-commits

Differential Revision: https://reviews.llvm.org/D37914

llvm-svn: 314217

llvm-svn: 314216

llvm-svn: 314215

Make sure that "initializeSubtargetDependencies" sets all members that
InstrInfo and the like may depend on.

llvm-svn: 314214

-mbranch-likely and -mno-branch-likely are used in some build systems for
some MIPS targets. Accept these options but ignore them as they are an
(de)optimiztion hint, and that branch likely instructions were deprecated
but not removed from MIPS32 and MIPS64 ISAs.

Reviewers: atanasyan, nitesh.jain

Differential Revision: https://reviews.llvm.org/D38168

llvm-svn: 314213

As long as these PHI nodes are only referenced by terminator instructions.

llvm-svn: 314212

Summary: This adds an ext/ header include category for google style.

Reviewers: djasper

Reviewed By: djasper

Subscribers: cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D38243

llvm-svn: 314211

Summary: Test for checking if the mapping is performed correctly. This is a test initially included in Patch https://reviews.llvm.org/D29905

Reviewers: Hahnfeld, carlo.bertolli, caomhin

Reviewed By: Hahnfeld

Subscribers: tra, cfe-commits

Differential Revision: https://reviews.llvm.org/D38040

llvm-svn: 314210

This patch fixes clang to decorate reference accesses as pointers
and not as "omnipotent chars".

Differential Revision: https://reviews.llvm.org/D38074

llvm-svn: 314209

When dsymutil generates the companion file, its strips all unnecessary
sections by omitting their body and setting the offset in their
corresponding load command to zero.

One such section is the .eh_frame section, as it contains runtime
information rather than debug information and is part of the __TEXT
segment. When reading this section, we would just read the number of
bytes specified in the load command, starting from offset 0 (i.e. the
beginning of the file).

Rather than trying to parse this obviously invalid section, dwarfdump
now skips this.

Differential revision: https://reviews.llvm.org/D38135

llvm-svn: 314208

The XOP rotations act as ROTL with +ve values and ROTR with -ve values, which means that we can treat them all as ROTL with unsigned modulo. We already check that we're only trying to lower as ROTL for XOP rotations.

Differential Revision: https://reviews.llvm.org/D37949

llvm-svn: 314207

[DSE] Merge stores when the later store only writes to memory locations the early store also wrote to (2nd try)

This is a 2nd attempt at:
https://reviews.llvm.org/rL310055
...which was reverted at rL310123 because of PR34074:
https://bugs.llvm.org/show_bug.cgi?id=34074

In this version, we break out of the inner loop after we successfully merge and kill a pair of stores. In the
earlier rev, we were continuing instead, which meant we could process the invalid info from a now dead store.

Original commit message (authored by Filipe Cabecinhas):

This fixes PR31777.

If both stores' values are ConstantInt, we merge the two stores
(shifting the smaller store appropriately) and replace the earlier (and
larger) store with an updated constant.

In the future we should also support vectors of integers. And maybe
float/double if we can.  

Differential Revision: https://reviews.llvm.org/D30703

llvm-svn: 314206

directives.

If the variable is used in the target-based region but is not found in
any private|mapping clause, then generate implicit firstprivate|map
clauses for these implicitly mapped variables.

llvm-svn: 314205

It was introduced by me in D37059.
Comment was saying that Weak binding is incorrect
for 'foo' symbol and that should be true for symbol in final output.
But at that place LTO temporarily file was checked,
where Weak binding for 'foo' is fine as LTO changes binding for
'LinkerRedefined' symbols internally to prevent IPO.

Binding for 'foo' in final output is correctly set to Global
and that tested just few lines below in the same testcase.

llvm-svn: 314204

https://bugs.llvm.org//show_bug.cgi?id=29061
Don't try referencing REX-needed regs when not on 64bit mode
Aligns to GCC

Differetial Revision: https://reviews.llvm.org/D37801

llvm-svn: 314203

llvm-svn: 314202

Summary:
This fixes https://bugs.llvm.org/show_bug.cgi?id=34714.

Patch by Marco Castelluccio

Reviewers: rnk

Reviewed By: rnk

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D38224

llvm-svn: 314201