Till now, preserve_mostcc/preserve_allcc calling convention attributes were only
available at the LLVM IR level. This patch adds attributes for
preserve_mostcc/preserve_allcc calling conventions to the C/C++ front-end.

The code was mostly written by Juergen Ributzka.
I just added support for the AArch64 target and tests.

Differential Revision: http://reviews.llvm.org/D18025

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263647 91177308-0d34-0410-b5e6-96231b3b80d8

The declaration of the destructor of an invalid class was not properly marked
as noexcept. As a result, the definition of the same destructor, which was
properly implicitly marked as noexcept, would not match the definition.
This would cause the definition CXXDestructorDecl to be matked as invalid
and omited from the AST.

Differential Revision: http://reviews.llvm.org/D17988

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263639 91177308-0d34-0410-b5e6-96231b3b80d8

Created visualizer for PointerType, LValueReferenceType, RValueReferenceType, and TemplateParmType.
In addition, cleaned up the display of existing types to be more C++-like. For example, instead of

  SubstTemplateTypeParmType: {Identifier (("T"))} => Record (25), {Identifier (("A"))}

it now displays more readably as 

  SubstTemplateTypeParmType: {typename T <= struct A}

The <expand> sections still can be used for all the gory details if necessary.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263638 91177308-0d34-0410-b5e6-96231b3b80d8

It broke standalone clang build.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263636 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263635 91177308-0d34-0410-b5e6-96231b3b80d8

When clang adds argument dependent lookup candidates, it can perform template
instantiation. For example, it can instantiate a templated friend function and
register it in the enclosing namespace's lookup table.

Fixes https://llvm.org/bugs/show_bug.cgi?id=24954

Reviewed by Richard Smith.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263634 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
This patch adds Clang tests for Cortex-R8 related to FP capabilities and
hardware integer divide.

Reviewers: rengolin, bsmith

Subscribers: aemerson, cfe-commits, rengolin

Differential Revision: http://reviews.llvm.org/D18193

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263632 91177308-0d34-0410-b5e6-96231b3b80d8

The purpose of this patch is to keep the same functionality without using LookupResult's implicit copy ctor and assignment operator, because they cause warnings when -Wdeprecated is passed.
This patch is meant to help the following review: http://reviews.llvm.org/D18123.
The functionality is covered by the tests in my original commit (255890)
The test case in this patch was added to test a bug caught in the review of the first version of this fix.

Differential Revision: http://reviews.llvm.org/D18175


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263630 91177308-0d34-0410-b5e6-96231b3b80d8

Revert r263622, "clang/lib/Frontend/ModuleDependencyCollector.cpp: Use clang/Config/config.h instead of llvm's."

I'll commit better fix(es) later. "llvm/Config/config.h" shouldn't be available here.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263623 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263622 91177308-0d34-0410-b5e6-96231b3b80d8

This is originally r261551, reverted because of windows bots failing on
unittests. Change the current behavior to do not handle path traversals
on windows.

Handle ".", ".." and "./" with trailing slashes while collecting files
to be dumped into the vfs overlay directory.

Include the support for symlinks into components. Given the path:

/install-dir/bin/../lib/clang/3.8.0/include/altivec.h, if "bin"
component is a symlink, it's not safe to use `path::remove_dots` here,
and `realpath` is used to get the right answer. Since `realpath`
is expensive, we only do it at collecting time (which only happens
during the crash reproducer) and cache the base directory for fast lookups.

Overall, this makes the input to the VFS YAML file to be canonicalized
to never contain traversal components.

Differential Revision: http://reviews.llvm.org/D17104

rdar://problem/24499339

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263617 91177308-0d34-0410-b5e6-96231b3b80d8

It is faster to directly call the ObjC runtime for methods such as retain/release instead of sending a message to those functions.

This patch adds support for converting messages to retain/release/alloc/autorelease to their equivalent runtime calls.

Tests included for the positive case of applying this transformation, negative tests that we ensure we only convert "alloc" to objc_alloc, not "alloc2", and also a driver test to ensure we enable this only for supported runtime versions.

Reviewed by John McCall.

Differential Revision: http://reviews.llvm.org/D14737

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263607 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263596 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263589 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
This patch adds base support for codegen of the target directive on the NVPTX device.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D17877



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263587 91177308-0d34-0410-b5e6-96231b3b80d8

r263299 added a fixit for the -Wformat-security warning, but that runs
into complications with our guideline that error recovery should be done
as-if the fixit had been applied. Putting the fixit on a note avoids that.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263584 91177308-0d34-0410-b5e6-96231b3b80d8

In the cross-DSO CFI mode clang emits __cfi_check_fail that handles
errors triggered from other modules with targets in the current
module. With this change, __cfi_check_fail will handle errors for
CFI kinds that are not enabled in the current module as if they
have the trapping behaviour (-fsanitize-trap=...).

This fixes a bug where some combinations of -fsanitize* flags may
result in a link failure due to a missing sanitizer runtime library
for the diagnostic calls in __cfi_check_fail.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263578 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263574 91177308-0d34-0410-b5e6-96231b3b80d8

This updates Apple build configurations to adapt to r263566 & r263570, which added a PACKAGE_VENDOR variable.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263571 91177308-0d34-0410-b5e6-96231b3b80d8

LLVM r263566 adds a generic PACKAGE_VENDOR configuration which can be used to specify the vendor for LLVM toolchain tools. This change defaults the CLANG_VENDOR to the PACKAGE_VENDOR so that you don't have to specify both when building a package.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263570 91177308-0d34-0410-b5e6-96231b3b80d8

The builtin library isn't added by the driver unless it exists, so we shouldn't check for it. I've marked this as a FIXME, because we probably should have a way to test this.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263568 91177308-0d34-0410-b5e6-96231b3b80d8

Summary: isTarget*() calls are order-dependent. This is because iOS Sim *is* iOS. This means checks for the simulator version of the platform must always be ahead of checks for the embedded platform.

Reviewers: zaks.anna, bogner

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D17947

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263567 91177308-0d34-0410-b5e6-96231b3b80d8

Differential Revision: http://reviews.llvm.org/D18186

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263556 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263555 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
This patch adds base support for codegen of the target directive on the NVPTX device.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D17877



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263552 91177308-0d34-0410-b5e6-96231b3b80d8

Currently when an AST plugin is loaded it must then be enabled by passing
-plugin pluginname or -add-plugin pluginname to the -cc1 command line. This
patch adds a method to PluginASTAction which allows it to declare that the
action happens before, instead of, or after the main AST action, plus the
relevant changes to make the plugin action happen at that time automatically.

Differential Revision: http://reviews.llvm.org/D17959


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263546 91177308-0d34-0410-b5e6-96231b3b80d8

The other sanitizers don't have backend passes that rely on value names.
Avoid paying the compile time cost of names there.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263541 91177308-0d34-0410-b5e6-96231b3b80d8

This is the companion to an LLVM patch that renamed the function index
data structures and files to use the more general module summary index.

(Recommit after fixing LLVM side to add back missed file)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263514 91177308-0d34-0410-b5e6-96231b3b80d8

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263505 91177308-0d34-0410-b5e6-96231b3b80d8

This reverts commit r263491. Missed a file on the LLVM side.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263494 91177308-0d34-0410-b5e6-96231b3b80d8

This is the companion to an LLVM patch that renamed the function index
data structures and files to use the more general module summary index.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263491 91177308-0d34-0410-b5e6-96231b3b80d8

This is a big update that gets the public configurations more in line with the ones we're actually using internally to ship Clang in Xcode.

From here forward I expect most of the changes in these files to be incremental as the changes get made internally.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263483 91177308-0d34-0410-b5e6-96231b3b80d8

Should fix ARM bots.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263477 91177308-0d34-0410-b5e6-96231b3b80d8

Automatic Semicolon Insertion can only be properly handled by parsing
source code. However conservatively catching just a few, common
situations prevents breaking code during development, which greatly
improves usability.

JS code should still use semicolons, and ASI code should be flagged by
a compiler or linter.

Patch by Martin Probst. Thank you.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263470 91177308-0d34-0410-b5e6-96231b3b80d8

The relative vtable ABI will use a struct rather than an array as the type
of a vtable. LLVM only allows 32-bit integers as struct indices, so we need
to use 32-bit integers to get addresses of address points. In order to keep
the code simple, we might as well do that unconditionally.

It's probably a reasonable implementation limit to support no more than 2
billion virtual functions per class.

This change causes quite a bit of churn in the test suite, so I'm making
it separately.

Differential Revision: http://reviews.llvm.org/D18113

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263469 91177308-0d34-0410-b5e6-96231b3b80d8

This marks virtual function declarations, as well as runtime library functions
__cxa_pure_virtual, __cxa_deleted_virtual and _purecall, as unnamed_addr. This
will allow us to correctly form relative references to them from vtables in
the relative vtable ABI.

Differential Revision: http://reviews.llvm.org/D18071

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263464 91177308-0d34-0410-b5e6-96231b3b80d8

implementation units of modules rather than interface units.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263449 91177308-0d34-0410-b5e6-96231b3b80d8

Summary:
The current offloading implementation is using -omptargets and -omp-host-ir-file-path options in the frontend. This causes the user a lot of trouble due to to the conflicts with the -o option. E.g. if the user misspells  omptargets he will end up with a file with a weird name.

This patches replaces these two options with  -fomptargets and -fomp-host-ir-file-path to avoid these issues, and it is also more consistent with the other options like -fopenmp.

Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev

Subscribers: cfe-commits, caomhin, fraggamuffin

Differential Revision: http://reviews.llvm.org/D18112

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263442 91177308-0d34-0410-b5e6-96231b3b80d8

Revert "Recommitted r261634 "Supporting all entities declared in lexical scope in LLVM debug info." After fixing PR26715 at r263379."

This reverts commit r263425. Breaks self-host.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263436 91177308-0d34-0410-b5e6-96231b3b80d8

Also use -stdlib=platform instead of -stdlib=libstdc++ when testing if Clang
chooses the correct default for the given platform.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@263435 91177308-0d34-0410-b5e6-96231b3b80d8