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Cygwin Linux Linux cross Linux fast Windows
David Majnemer
Lex: Fix an invalid access into a SmallString

We would crash because we used operator[] to access past the end of a
SmallString.  This occured because our token had length zero.

Instead, form the pointer using .data() and arithmetic.  This is safe
because this forms a one-past-the-end pointer and it is only used to
compare with another one-past-the-end pointer.

This fixes PR21379.
Simon Pilgrim
[X86][SSE] Vector integer/float conversion memory folding

Tidied up some entries in the folding tables so that they are under the correct comment section (they were categorised as AVX2 instructions when they're AVX1).

Minor patch agreed with qcolombet.
David Majnemer
InstCombine: Remove overzealous asserts

These asserts can trigger if the worklist iteration order is
sufficiently unlucky.  Instead of adding special case logic to handle
these edge conditions, just bail out on trying to transform them:
InstSimplify will get them when it reaches them on the worklist.

This fixes PR21378.

N.B.  No test case is included because any test would rely on the
fragile worklist iteration order.
Rafael Espindola
Allow the C API users to keep relying on the OutMessages parameter.

Should fix the Ocaml tests.
Rafael Espindola
Remove unused variable.
Rafael Espindola
Update for LLVM api change.
Rafael Espindola
Update the error handling of lib/Linker.

Instead of passing a std::string&, use the new diagnostic infrastructure.
Jingyue Wu
[NVPTX] aligned byte-buffers for vector return types

Fixes PR21100 which is caused by inconsistency between the declared return type
and the expected return type at the call site. The new behavior is consistent
with nvcc and the NVPTXTargetLowering::getPrototype function.

Test Plan: test/Codegen/NVPTX/vector-return.ll

Reviewers: jholewinski

Reviewed By: jholewinski

Subscribers: llvm-commits, meheff, eliben, jholewinski

Differential Revision: http://reviews.llvm.org/D5612
Rafael Espindola
Make this test a bit stricter by checking clang's output too.
Rafael Espindola
Add a test for the -suppress-warnings option.
Jim Ingham
Setting breakpoints with name mask eFunctionNameTypeBase was broken for straight C names by 220432.  Get
that working again.
Evgeniy Stepanov
[msan] Make -msan-check-constant-shadow a bit stronger.

Allow (under the experimental flag) non-Instructions to participate in MSan checks.
Rafael Espindola
Modernize the error handling of the Materialize function.
Kevin Enderby
Fix a Mach-O assembler segfault for a subtraction expression with an undefined symbol.

In a Mach-O object file a relocatable expression of the form
SymbolA - SymbolB + constant is allowed when both symbols are
defined in a section.  But when either symbol is undefined it
is an error.

The code was crashing when it had an undefined symbol in this case.
And should have printed a error message using the location information
in the relocation entry.

Nick Kledzik
[mach-o] Support old style objc class names in export lists

Objective-C switched to a new ABI which uses a different mangling for class
names.  But to keep projects building that use export lists that use the old
class name mangling, the linker recognizes the old names and transforms them
to the new mangling.
Nick Kledzik
[mach-o] Support data-only dylibs

In final linked shared images, the __TEXT segment contains both code and
the mach-o header/load-commands.  In the case of a data-only dylib, there is
no code, so we need to force the addition of the __TEXT segment.
Zachary Turner
Implement explicit thread stack size specification on Windows.
David Majnemer
CodeGen: Don't form weak dllexport aliases

The MS linker cannot do anything interesting with these, it doesn't make
sense to emit them.

This fixes PR21373.

Differential Revision: http://reviews.llvm.org/D5986
Frederic Riss
Sink DwarfUnit::constructImportedEntityDIE into DwarfCompileUnit.

So that it has access to getOrCreateGlobalVariableDIE. If we ever support
decsribing using directive in C++ classes (thus requiring support in type
units), it will certainly use another mechanism anyway.

Differential Revision: http://reviews.llvm.org/D5975
  • ninja-clang-i686-msc17-R: built tools failed -  stdio
Saleem Abdulrasool
test: correct an overzealous search-and-replace

The temporary initialized is referenced as %0, not as the auto-release pool.
Fixes R+A tests.
Simon Pilgrim
[X86][SSE] Bitcast assertion in XFormVExtractWithShuffleIntoLoad

Minor patch to fix an issue in XFormVExtractWithShuffleIntoLoad where a load is unary shuffled, then bitcast (to a type with the same number of elements) before extracting an element.

An undef was created for the second shuffle operand using the original (post-bitcasted) vector type instead of the pre-bitcasted type like the rest of the shuffle node - this was then causing an assertion on the different types later on inside SelectionDAG::getVectorShuffle.

Differential Revision: http://reviews.llvm.org/D5917
Ed Maste
Remove duplicated new file content
Saleem Abdulrasool
CodeGen: correct materialize temporary aggregates in ARC mode

Avoid an assertion when materializing a lifetime type aggregate temporary.  When
performing CodeGen for ObjC++, we could generate a lifetime-only aggregate
temporary by using an initializer list (which is effectively an array).  We
would reach through the temporary expression, fishing out the inner expression.
If this expression was a lifetime expression, we would attempt to emit this as a
scalar.  This would eventually result in an assertion as the emission would
eventually assert that the expression being emitted has a scalar evaluation

Add a case to handle the aggregate expressions.  Use the EmitAggExpr to emit the
aggregate expression rather than the EmitScalarInit.

Addresses PR21347.
Richard Smith
[modules] Support combining 'textual' with 'private'.
David Majnemer
Itanium ABI: Template template parameters are usable as substitutions

Template template parameters weren't added to the list of substitutions.
This would make the substitution map contain inaccurate mappings,
leading to Clang violating the Itanium ABI and breaking compatibility
with GCC.

This fixes PR21351.

Differential Revision: http://reviews.llvm.org/D5959