This used to be handled automagically by the option parsing library,
but after LLVM r188314, we should handle it ourselves.

No functionality change, but adds a test.

llvm-svn: 188318

Improve the documentation for the new target.memory-module-load-level setting, and also return an error when there is no nlist data when appropriate.

llvm-svn: 188317

Anything that comes after -- is treated as an input file. This
used to be handled automagically by the option parsing library,
but after LLVM r188314, we should handle it ourselves.

No functionality change.

llvm-svn: 188316

A common idiom is to use zero and all-ones as sentinal values and to
check for both in a single conditional ("x != 0 && x != (unsigned)-1").
That generates code, for i32, like:
  testl %edi, %edi
  setne %al
  cmpl  $-1, %edi
  setne %cl
  andb  %al, %cl

With this transform, we generate the simpler:
  incl  %edi
  cmpl  $1, %edi
  seta  %al

Similar improvements for other integer sizes and on other platforms. In
general, combining the two setcc instructions into one is better.

rdar://14689217

llvm-svn: 188315

This adds KIND_REMAINING_ARGS, a class of options that consume
all remaining arguments on the command line.

This will be used to support /link in clang-cl, which is used
to forward all remaining arguments to the linker.

It also allows us to remove the hard-coded handling of "--",
allowing clients (clang and lld) to implement that functionality
themselves with this new option class.

Differential Revision: http://llvm-reviews.chandlerc.com/D1387

llvm-svn: 188314

* msa SubtargetFeature
* registers
* ld.[bhwd], and st.[bhwd] instructions

Does not correctly prohibit use of both 32-bit FPU registers and MSA together.

Patch by Daniel Sanders

llvm-svn: 188313

This includes instructions lwl, lwr, swl and swr.

Patch by Zoran Jovnovic

llvm-svn: 188312

llvm-svn: 188309

llvm-svn: 188308

When a local extern declaration redeclares some other entity, the type of that
entity is merged with the prior type if the prior declaration is visible (in C)
or is declared in the same scope (in C++).

 - Make LookupRedeclarationWithLinkage actually work in C++, use it in the right
   set of cases, and make it track whether it found a shadowed declaration.
 - Track whether we found a declaration in the same scope (for C++) including
   across serialization and template instantiation.

llvm-svn: 188307

llvm-svn: 188306

way of making LLVM not rely on terminfo.

llvm-svn: 188305

Improved test to catch missing case.

llvm-svn: 188304

of harmless changes.

llvm-svn: 188303

Update makeLibCall to return both the call and the chain associated with the libcall instead of just the call. This allows us to specify libcalls that return void.

LowerCallTo returns a pair with the return value of the call as the first
element and the chain associated with the return value as the second element. If
we lower a call that has a void return value, LowerCallTo returns an SDValue
with a NULL SDNode and the chain for the call. Thus makeLibCall by just
returning the first value makes it impossible for you to set up the chain so
that the call is not eliminated as dead code.

I also updated all references to makeLibCall to reflect the new return type.

llvm-svn: 188300

Reworked how the tests dealt with paths. Instead of removing the full path name,
put a marker in the expected file and replace the marker with the full path
before running diff.

Differential Revision: http://llvm-reviews.chandlerc.com/D1381

llvm-svn: 188299

Output DW_AT_stmt_list dwarf debug info as DW_FORM_sec_offset instead of DW_FORM_data4 as it is a section offset (fixes the coff/dwarf debug info statement locations)

llvm-svn: 188297

For COFF only: dwarf debug info output a label reference as a section relative item only when it's one of dw_from strp, sec_offset, ref_addr or op_call_ref instead of going by size.

llvm-svn: 188296

One day soon, tooling::Replacements will be changed from being implemented as
an std::set to being implemented as an std::vector. Until then, some new code
using vectors of Replacements would enjoy having a version of
applyAllReplacements that takes a vector.

Differential Revision: http://llvm-reviews.chandlerc.com/D1380

llvm-svn: 188295

llvm-svn: 188294

llvm-svn: 188293

llvm-svn: 188292

This is necessary to prevent false positives, see:
https://code.google.com/p/thread-sanitizer/issues/detail?id=25

llvm-svn: 188291

llvm-svn: 188290

When adding a dSYM file, don't remove all sections for the Module's object file if the symbol vendor used the same object file.

llvm-svn: 188289

llvm-svn: 188288

If a Replacment is contained within the conflict range being built, the
conflict range would be erroneously shortened. Now fixed. Tests updated to
catch this case.

llvm-svn: 188287

llvm-svn: 188286

llvm-svn: 188285

llvm-svn: 188284

llvm-svn: 188283

llvm-svn: 188282

I have moved this logic into clang and opt.

llvm-svn: 188281

We used to decide whether to really vectorize depending on the optimization
level in PassManagerBuilder.

This patch moves this decision to the clang driver. We look at the optimization
level and whether the f(no-)vectorize is set and decide whether to vectorize.

This allows us to simplify the logic in PassManagerBuilder to just a check for
whether the vectorizer should run or not.

We now do the right thing for:
$ clang -O1 -fvectorize
$ clang -fno-vectorize -O3

llvm-svn: 188280

If halt_on_error==true, program terminates after reporting first error.

llvm-svn: 188279

llvm-svn: 188278

llvm-svn: 188277

llvm-svn: 188276

llvm-svn: 188275

Another attempt to commit r187204 after windows related problems has
been fixed. Note that changes to this patch reflect the current behavior
of cpp11-migrate.

Header replacements are now written to disk in YAML format for an external tool
to merge. A unique file will be created in the same directory as the header
with all replacements that came from a source file that included the header
file. The YAML file will have:
- Name of the header file
- Name of the source file that included the header file
- Transform ID that generated the replacement
- Offset
- Length
- Replacement text

Any tool reading these replacements should read them using the
HeaderChangeDocument struct.

Differential Revision: http://llvm-reviews.chandlerc.com/D1369

llvm-svn: 188274