Summary:
1) Several tests that are flakey on windows fail the run even if they are marked as expected to be flakey. This is because they fail frequently enough that even a retry won't help
2) Skip several tests on Windows that will occasionally hang rather than failing or exiting. This is causing the entire test suite to hang
Reviewers: asmith, labath, zturner
Reviewed By: zturner
Differential Revision: https://reviews.llvm.org/D50198
llvm-svn: 338769
An instance of ReexportsFallbackDefinitionGenerator can be attached to a VSO
(via setFallbackDefinitionGenerator) to re-export symbols on demandy from a
backing VSO.
llvm-svn: 338764
Relanding with a minor change to prevent an assertion on release bots.
The result of this adjusted mapper pass is that all Function and Enum
infos are absorbed into the info of their enclosing scope (i.e. the class
or namespace in which they are defined). Namespace and Record infos are
passed along to the final output, but the second pass creates a reference
to each in its parent scope. As a result, the top-level final outputs are
Namespaces and Records.
Differential Revision: https://reviews.llvm.org/D48341
llvm-svn: 338763
r337748 made us start incrementing DebugCounters all of the time. This
makes tsan unhappy in multithreaded environments.
Since it doesn't make much sense to use DebugCounters with multiple
threads, this patch makes us only count anything if the user passed a
-debug-counter option or if some other piece of code explicitly asks
for it (e.g. the pass in D50031).
The amount of global state here makes writing a unittest for this
behavior somewhat awkward. So, no test is provided.
Differential Revision: https://reviews.llvm.org/D50150
llvm-svn: 338762
This patch adds a test using the doacross clauses in OpenMP and removes gcc from
testing kmp_doacross_check.c which is only testing the kmp rather than the
gomp interface.
Differential Revision: https://reviews.llvm.org/D50014
llvm-svn: 338757
Summary:
This option is no longer needed since r300496 added symbol
versioning by default
Reviewers: sylvestre.ledru, beanz, mgorny
Reviewed By: mgorny
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D49835
llvm-svn: 338751
This is the same fix as in r338478, for another occurrance of the
same pattern from r338464.
See gcc.gnu.org/PR86769 for details of the bug.
llvm-svn: 338749
Summary:
On Windows, TempFile::create() was prone to failing with permission
denied errors when a process created many tempfiles without providing
a model large enough to accommodate them. There was also a problem
with createUniqueEntity getting into an infinite loop when all names
permitted by the model are in use. This change fixes both of these
problems and adds a unit test for them.
Reviewers: pcc, rnk, zturner
Reviewed By: zturner
Subscribers: inglorion, hiraditya, llvm-commits
Differential Revision: https://reviews.llvm.org/D50126
llvm-svn: 338745
Rather than allowing invalid bitcasts to be lowered to wasm
call instructions that won't validate, generate wrappers that
contain unreachable thereby delaying the error until runtime.
Differential Revision: https://reviews.llvm.org/D49517
llvm-svn: 338744
Summary:
C++11 onwards specs the non-member functions atomic_load and atomic_load_explicit as taking the atomic<T> by const (potentially volatile) pointer. C11, in its infinite wisdom, decided to drop the const, and C17 will fix this with DR459 (the current draft forgot to fix B.16, but that’s not the normative part).
clang’s lib/Headers/stdatomic.h implements these as #define to the __c11_* equivalent, which are builtins with custom typecheck. Fix the typecheck.
D47613 takes care of the libc++ side.
Discussion: http://lists.llvm.org/pipermail/cfe-dev/2018-May/058129.html
<rdar://problem/27426936>
Reviewers: rsmith
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D47618
llvm-svn: 338743
The result of this adjusted mapper pass is that all Function and Enum
infos are absorbed into the info of their enclosing scope (i.e. the
class or namespace in which they are defined). Namespace and Record
infos are passed along to the final output, but the second pass creates
a reference to each in its parent scope. As a result, the top-level final
outputs are Namespaces and Records.
llvm-svn: 338738
We need to both record and resolve back-references lazily due to
not being able to know until a demangling is complete whether or
not a name should go into the back-reference table.. This patch
implements lazy resolution of back-references, but we still have
eager recording of back-references. This will be fixed in a
subsequent patch.
llvm-svn: 338736
These instructions perform the same operation, but the semantic of which operand is destroyed is reversed. If the same register is used as both operands we can change the execution domain without worrying about this difference.
Unfortunately, this really only works in cases where the input register is killed by the instruction. If its not killed, the two address isntruction pass inserts a copy that will become a move instruction. This makes the instruction use different physical registers that contain the same data at the time the unpck/movhlps executes. I've considered using a unary pseudo instruction with tied operand to trick the two address instruction pass. We could then expand the pseudo post regalloc to get the same physical register on both inputs.
Differential Revision: https://reviews.llvm.org/D50157
llvm-svn: 338735
In this patch I add support for ARM and ARM64 break pad files. There are two flavors of ARM: Apple where FP is R7, and non Apple where FP is R11. Added minimal tests that load up ARM64 and the two flavors or ARM core files with a single thread and known register values in each register. Each register is checked for the exact value.
Differential Revision: https://reviews.llvm.org/D49750
llvm-svn: 338734
Summary:
This patch allows LLDB's Stream class to count the bytes it has written to so far.
There are two major motivations for this patch:
The first one is that this will allow us to get rid of all the handwritten byte counting code
we have in LLDB so far. Examples for this are pretty much all functions in LLDB that
take a Stream to write to and return a size_t, which usually represents the bytes written.
By moving to this centralized byte counting mechanism, we hopefully can avoid some
tricky errors that happen when some code forgets to count the written bytes while
writing something to a stream.
The second motivation is that this is needed for the migration away from LLDB's `Stream`
and towards LLVM's `raw_ostream`. My current plan is to start offering a fake raw_ostream
class that just forwards to a LLDB Stream.
However, for this raw_ostream wrapper we need to fulfill the raw_ostream interface with
LLDB's Stream, which currently lacks the ability to count the bytes written so far (which
raw_ostream exposes by it's `tell()` method). By adding this functionality it is trivial to start
rolling out our raw_ostream wrapper (and then eventually completely move to raw_ostream).
Also, once this fake raw_ostream is available, we can start replacing our own code writing
to LLDB's Stream by LLVM code writing to raw_ostream. The best example for this is the
LEB128 encoding we currently ship, which can be replaced with by LLVM's version which
accepts an raw_ostream.
From the point of view of the pure source changes this test does, we essentially just renamed
the Write implementation in Stream to `WriteImpl` while the `Write` method everyone is using
to write its raw bytes is now just forwarding and counting the written bytes.
Reviewers: labath, davide
Reviewed By: labath
Subscribers: JDevlieghere, lldb-commits
Differential Revision: https://reviews.llvm.org/D50159
llvm-svn: 338733
In according to the comment, undefined symbol should never reach there.
So, should be able to remove the check. I am assuming this is NFC.
llvm-svn: 338723
This is broken per PR36561 and PR36574, so disable it for now until
somebody interested can take a look. OMPT can still be activated manually
by passing -DLIBOMP_OMPT_SUPPORT=ON during configuration.
Differential Revision: https://reviews.llvm.org/D50086
llvm-svn: 338721
Only supported since GCC 6 and Intel 17.0. However GCC 6.3.0 is
crashing on two of the tests, so disable them as well...
Differential Revision: https://reviews.llvm.org/D50085
llvm-svn: 338720
David L. Jones