FIXME: LLVM_BUILD_32_BITS should modify host_triple.
llvm-svn: 317404

This allows masked operations to be used and allows the register allocator to use YMM16-31 if necessary.

As a follow up I'll look into teaching EVEX->VEX how to turn this back into PERM2X128 if any of the additional features don't work out.

llvm-svn: 317403

llvm-svn: 317402

llvm-svn: 317401

GNU frontends don't have options like /MT, /MD
This fixes a few link error regressions with libc++ and libc++abi

Reviewers: rnk, mstorsjo, compnerd

Differential Revision: https://reviews.llvm.org/D33620

llvm-svn: 317398

This is a re-apply of rL313082 which was reverted in rL313088

In rL289668 the ability to specify the default linker at compile time
was added but because the MinGW driver used custom detection we could
not take advantage of this new CMAKE flag CLANG_DEFAULT_LINKER.

rL289668 added no test cases and the mingw driver was either overlooked
or purposefully skipped because it has some custom linker tests
Removing them here because they are covered by the generic case.

Reviewers: rnk

Differntial Revision: https://reviews.llvm.org/D37727

llvm-svn: 317397

Fixes PR34948.

Differential Revision: https://reviews.llvm.org/D39511

llvm-svn: 317396

Changes more tests then expected on one of the build bots.
reverting to investigate.

This reverts https://llvm.org/svn/llvm-project/llvm/trunk@317374

llvm-svn: 317395

Add a mix of postive and negative tests to check that wrong Decls won't be
flagged in the diagnostic.  Split the check everything test and moved the
pieces closer to where the related tests are.

llvm-svn: 317394

Thanks to Rui for pointing out.

llvm-svn: 317393

This patch is mechanically created by

  sed -i -e s/Body/Sym/g lld/ELF/*.{cpp,h}

and clang-format-diff.

llvm-svn: 317392

Summary: The PARENT_TARGET was correctly set under APPLE but not under linux.

Reviewers: kubamracek, samsonov

Subscribers: dberris, mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D39621

llvm-svn: 317391

Summary:
To be compliant with https://llvm.org/docs/CodingStandards.html#include-style,
system headers have to come after local headers.

Reviewers: alekseyshl

Reviewed By: alekseyshl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D39623

llvm-svn: 317390

Summary:
Call NanoTime() in primary 64 bit allocator only when necessary,
otherwise the unwarranted syscall causes problems in sandbox environments.
ReleaseToOSIntervalMs() conditional allows them to turn the feature off
with allocator_release_to_os_interval_ms=-1 flag.

Reviewers: eugenis

Subscribers: kubamracek, llvm-commits

Differential Revision: https://reviews.llvm.org/D39624

llvm-svn: 317386

llvm-svn: 317385

Since SymbolBody is gone, "Body" is not a good variable name.
This patch renames or eliminates them.

llvm-svn: 317384

llvm-svn: 317383

[X86] Give unary PERMI priority over SHUF128 in lowerV8I64VectorShuffle to make it possible to fold a load.

llvm-svn: 317382

llvm-svn: 317381

A mechanical rename caused an illegal name conflict between
a variable and a type, which was picked up by GCC.

llvm-svn: 317380

This header already includes a CodeGen header and is implemented in
lib/CodeGen, so move the header there to match.

This fixes a link error with modular codegeneration builds - where a
header and its implementation are circularly dependent and so need to be
in the same library, not split between two like this.

llvm-svn: 317379

This reverts commit 00b7acb8f6c8a4663bb7c8396d217c210209b562.

It was causing some links to execute llvm_unreachable.

llvm-svn: 317378

The member is completely unused. Discussed on lldb-dev.

llvm-svn: 317377

Differential Revision: https://reviews.llvm.org/D39541

llvm-svn: 317376

This preserves the debug info for the cast operation in the original location.

rdar://problem/33460652

Reapplied r317340 with the test moved into an ARM-specific directory.

llvm-svn: 317375

Now that we have a way to mark GlobalValues as local we can use the symbol
resolutions that the linker plugin provides as part of lto/thinlto link
step to refine the compilers view on what symbols will end up being local.

Differential Revision: https://reviews.llvm.org/D35702

llvm-svn: 317374

file with a bad section number.

rdar://35207539

llvm-svn: 317373

llvm-svn: 317372

This change resulted in a measured 1.5-2% perf regression linking
chrome.

llvm-svn: 317371

Now that we have only SymbolBody as the symbol class. So, "SymbolBody"
is a bit strange name now. This is a mechanical change generated by

  perl -i -pe s/SymbolBody/Symbol/g $(git grep -l SymbolBody lld/ELF lld/COFF)

nd clang-format-diff.

Differential Revision: https://reviews.llvm.org/D39459

llvm-svn: 317370

Call DestroyThreadState() before REAL(_lwp_exit)();

This variation is less racy.

Sponsored by <The NetBSD Foundation>

llvm-svn: 317369

[SimplifyCFG] When merging conditional stores, don't count the store we're merging against the PHINodeFoldingThreshold

Merging conditional stores tries to check to see if the code is if convertible after the store is moved. But the store hasn't been moved yet so its being counted against the threshold.

The patch adds 1 to the threshold comparison to make sure we don't count the store. I've adjusted a test to use a lower threshold to ensure we still do that conversion with the lower threshold.

Differential Revision: https://reviews.llvm.org/D39570

llvm-svn: 317368

This was already taken care of for the output def file.

Differential Revision: https://reviews.llvm.org/D39573

llvm-svn: 317367

This class was split between libIR and libSupport, which breaks under
modular code generation. Move it into the one library that uses it,
ProfileData, to resolve this issue.

llvm-svn: 317366

llvm-svn: 317365

Adds blacklist parsing behaviour for filtering results into four categories:

 - Expected Protected: Things that are not in the blacklist and are protected.
 - Unexpected Protected: Things that are in the blacklist and are protected.
 - Expected Unprotected: Things that are in the blacklist and are unprotected.
 - Unexpected Unprotected: Things that are not in the blacklist and are unprotected.

 now can optionally be invoked with a second command line argument, which specifies the blacklist file that the binary was built with.

Current  statistics for chromium:

Reviewers: vlad.tsyrklevich

Subscribers: mgorny, llvm-commits, pcc, kcc

Differential Revision: https://reviews.llvm.org/D39525

llvm-svn: 317364

Summary:
Stop using the Linux solution with pthread_key_create(3).
This approach does not work on NetBSD, because calling
the thread destructor is not the latest operation on a POSIX
thread entity. NetBSD's libpthread still calls at least
pthread_mutex_lock and pthread_mutex_unlock.

Detect _lwp_exit(2) call as it is really the latest operation
called from a detaching POSIX thread.

This resolves one set of crashes observed in
the Thread Sanitizer execution.

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, kcc, vitalybuka, dvyukov, eugenis

Reviewed By: vitalybuka

Subscribers: llvm-commits, kubamracek, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D39618

llvm-svn: 317363

This recommit r317351 after fixing a buildbot failure.

Original commit message:

    Summary:
    This change add a pass which tries to split a call-site to pass
    more constrained arguments if its argument is predicated in the control flow
    so that we can expose better context to the later passes (e.g, inliner, jump
    threading, or IPA-CP based function cloning, etc.).
    As of now we support two cases :

    1) If a call site is dominated by an OR condition and if any of its arguments
    are predicated on this OR condition, try to split the condition with more
    constrained arguments. For example, in the code below, we try to split the
    call site since we can predicate the argument (ptr) based on the OR condition.

    Split from :
          if (!ptr || c)
            callee(ptr);
    to :
          if (!ptr)
            callee(null ptr)  // set the known constant value
          else if (c)
            callee(nonnull ptr)  // set non-null attribute in the argument

    2) We can also split a call-site based on constant incoming values of a PHI
    For example,
    from :
          BB0:
           %c = icmp eq i32 %i1, %i2
           br i1 %c, label %BB2, label %BB1
          BB1:
           br label %BB2
          BB2:
           %p = phi i32 [ 0, %BB0 ], [ 1, %BB1 ]
           call void @bar(i32 %p)
    to
          BB0:
           %c = icmp eq i32 %i1, %i2
           br i1 %c, label %BB2-split0, label %BB1
          BB1:
           br label %BB2-split1
          BB2-split0:
           call void @bar(i32 0)
           br label %BB2
          BB2-split1:
           call void @bar(i32 1)
           br label %BB2
          BB2:
           %p = phi i32 [ 0, %BB2-split0 ], [ 1, %BB2-split1 ]

llvm-svn: 317362

Summary:
NetBSD does not ship with on_exit() function.

Introduce TSAN_MAYBE_INTERCEPT_ON_EXIT.
It looks like this addition fixes build for Darwin.

Sponsored by <The NetBSD Foundation>

Reviewers: vitalybuka, joerg, eugenis, dvyukov, kcc

Reviewed By: vitalybuka

Subscribers: llvm-commits, kubamracek, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D39617

llvm-svn: 317361

DenseMaps require the definition of a type to be available when using a
pointer to that type as a key to know how many bits are available for
tombstone/etc.

llvm-svn: 317360