This is part of the effort to get the i686-mingw32-RA-on-linux bot to like clang-import-test.


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The openat() API has similar constraints to the open() API -- it just takes
an extra parameter.

rdar://problem/29526458

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LLVM's JIT is now the foundation of dynamic-compilation features for many languages. Clang also has low-level support for dynamic compilation (ASTImporter and ExternalASTSource, notably). How the compiler is set up for dynamic parsing is generally left up to individual clients, for example LLDB's C/C++/Objective-C expression parser and the ROOT project.

Although this arrangement offers external clients the flexibility to implement dynamic features as they see fit, the lack of an in-tree client means that subtle bugs can be introduced that cause regressions in the external clients but aren't caught by tests (or users) until much later. LLDB for example regularly encounters complicated ODR violation scenarios where it is not immediately clear who is at fault.

Other external clients (notably, Cling) rely on similar functionality, and another goal is to break this functionality up into composable parts so that any client can be built easily on top of Clang without requiring extensive additional code.

I propose that the parts required to build a simple expression parser be added to Clang.  Initially, I aim to have the following features:

- A piece that looks up external declarations from a variety of sources (e.g., from previous dynamic compilations, from modules, or from DWARF) and uses clear conflict resolution rules to reconcile differences, with easily understood errors. This functionality will be supported by in-tree tests.

- A piece that works hand in hand with the LLVM JIT to resolve the locations of external declarations so that e.g. variables can be redeclared and (for high-performance applications like DTrace) external variables can be accessed directly from the registers where they reside.

This commit adds a tester that parses a sequence of source files and then uses them as source data for an expression. External references are resolved using an ExternalASTSource that responds to name queries using an ASTImporter. This is the setup that LLDB uses, and the motivating reason for MinimalImport in ASTImporter.  When complete, this tester will implement the first of the above goals.

Differential Revision: https://reviews.llvm.org/D27180


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[libclang] Restore the CXXRecordDecl path for clang_Type_getNumTemplateArguments and clang_Type_getTemplateArgumentAsType

Patch by Emilio Cobos Álvarez!
See https://reviews.llvm.org/D26907

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lambda expression is instantiated.

Rather than waiting until Sema::CheckCXXDefaultArgExpr tries to
transform the default arguments (which fails because it can't get the
template arguments that are used), transform the default arguments
earlier when the lambda expression is transformed in
TransformLambdaExpr.

rdar://problem/27535319

Differential Revision: https://reviews.llvm.org/D23096


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This patch is to add support of the 'is_device_ptr' clause in the 'target parallel' pragma.
    
Differential Revision: https://reviews.llvm.org/D27821


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Also, dump the AST and run FileCheck to make sure the expected nodes are
created in the AST.


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This reverts commit r289921.

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Added a map to associate types and declarations with extensions.

Refactored existing diagnostic for disabled types associated with extensions and extended it to declarations for generic situation.

Fixed some bugs for types associated with extensions.

Allow users to use pragma to declare types and functions for supported extensions, e.g.

#pragma OPENCL EXTENSION the_new_extension_name : begin
// declare types and functions associated with the extension here
#pragma OPENCL EXTENSION the_new_extension_name : end

Differential Revision: https://reviews.llvm.org/D21698


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Fix a crash in the MallocChecker when the extent size for the argument
to new[] is not known.

A patch by Abramo Bagnara and Dániel Krupp!

https://reviews.llvm.org/D27849

Differential Revision: https://reviews.llvm.org/D27849

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Treat pointers passed to QObject::connectImpl() as escaping.

rdar://problem/29550440

Differential Revision: https://reviews.llvm.org/D27717


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expressions in a function or class template.

This patch makes the following changes:

- Create a DependentScopeDeclRefExpr for the default argument instead of
  a CXXDependentScopeMemberExpr.
- Pass CombineWithOuterScope=true so that the outer scope in which the
  enum is declared is searched for the instantiation of the enum. 

This is the first part of https://reviews.llvm.org/D23096. Fixes PR28795

rdar://problem/27535319


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Bound to Ctrl+R, Ctrl+D by default. Also added section on how to debug the extension to the Readme.

Differential Revision: https://reviews.llvm.org/D27501

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Presently, the version number of the VSIX matches the LLVM version number. However, as this number doesn't change often, it means that as we release new versions of this VSIX, it will have the same version number, which means users must first uninstall the old version before installing the new one. With this change, we generate a 4th part to the version number that is a date stamp (year, month, day); for example: 4.0.0.161203.

Differential Revision: https://reviews.llvm.org/D27438

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This reverts commit 289901 while investigating bot breakage.

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[sanitizer] Passthrough CMAKE_OSX_DEPLOYMENT_TARGET and CMAKE_OSX_SYSROOT when building compiler-rt from clang/runtime/CMakeLists.txt

Differential Revision: https://reviews.llvm.org/D26558



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After Darwin has been updated not to link in stdc++ on Darwin this actually
started to break.

Differential Revision: https://reviews.llvm.org/D27598

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This fixes a reported false positive in the malloc checker.

Differential Revision: https://reviews.llvm.org/D27599

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This is a big deal for ObjC, where nullability annotations are extensively
used. I've also changed "Null" -> "null" and removed "is" as this is the
pattern that Sema is using.

Differential Revision: https://reviews.llvm.org/D27600

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When a macro expending to a literal is used in a comparison, use the macro name
in the diagnostic rather than the literal. This improves readability of path
notes.

Added tests for various macro literals that could occur. Only BOOl, Int, and
NULL tests have changed behavior with this patch.

Differential Revision: https://reviews.llvm.org/D27726

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The more detailed diagnostic will make identifying which object the
diagnostics refer to easier.

Differential Revision: https://reviews.llvm.org/D27740

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Add a new type of NonLoc SVal for C++ pointer-to-member operations. This SVal
supports both pointers to member functions and pointers to member data.

A patch by Kirill Romanenkov!

Differential Revision: https://reviews.llvm.org/D25475

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Summary:
When reading an ASTRecord, each RecordData is logically contained within a
single ModuleFile, and global(er) state is contained by a single ASTReader. This
means that any operations that read from a RecordData and reference an ASTReader
or a ModuleFile, will always reference the same ASTReader or ModuleFile.
ASTRecordReader groups these together so that parameters don't need to be
duplicated ad infinitum. Most uses of the Idx variable seem to be redunant
aliases as well, but I'll leave that for now.

Reviewers: rsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27784

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Extend the fix from rL286952 to unittests. The fix added clang built
library directories (via llvm_shlib_dir) to LD_LIBRARY_PATH.
The previous logic has used llvm_libs_dir only which points to installed
LLVM when doing stand-alone builds.

The patch also removes the redundant win32 code that is no longer
necessary now that shlibdir is used unconditionally.

Differential Revision: https://reviews.llvm.org/D27812

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Reviewers: rsmith, bruno, dexonsmith

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27796

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Summary:
This lets you build with one CUDA installation but use ptxas from
another install.

This is useful e.g. if you want to avoid bugs in an old ptxas without
actually upgrading wholesale to a newer CUDA version.

Reviewers: tra

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D27788

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10.12 dropped support for all pre-Penryn Macs.

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