Commit Graph

1952 Commits

Author SHA1 Message Date
Benjamin Kramer
d5dbc8c2bb Enable automatic GCC<->LLVM intrinsic translation for mips.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159367 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28 19:09:53 +00:00
Nuno Lopes
62d7afad8f add ConstantRange::difference (to perform set difference/relative complement)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159352 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28 16:10:13 +00:00
Nuno Lopes
532516a87b fix a off-by-one bug in intersectWith(), and add a bunch of tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159319 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-28 00:59:33 +00:00
Benjamin Kramer
4750c1d804 Implement getHostCPUName for ARM/linux. This will be used to implement -march=native in clang.
The cpuid registers are only available in privileged mode so we don't have
an OS-independent way of implementing this. ARM doesn't provide a list of
processor IDs so the list is somewhat incomplete.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159228 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26 21:36:32 +00:00
Argyrios Kyrtzidis
da72dd2a01 Fix ThreadLocalImpl::getInstance for --disable-threads.
PR13114.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159210 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-26 17:13:58 +00:00
Meador Inge
b935cd1514 PR13013: ELF Type identification fails for MSB type ELF files.
Fix 'sys::IdentifyFileType' to work with big and little endian byte orderings
when reading the ELF object file type.

Initial patch by Stefan Hepp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159138 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-25 14:48:43 +00:00
NAKAMURA Takumi
33f2139585 llvm/lib/Support/Errno.cpp: [Win32] Fix usage of strerror_s().
FYI, two arguments of strerror_s() is provided in C++ on msvc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159103 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-24 03:51:04 +00:00
Kaelyn Uhrain
3aaa59bcbb Remove an "else" that snuck in after a "return" ;)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158844 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20 20:38:36 +00:00
Kaelyn Uhrain
3f85144a89 Check that a file is not a directory before reading it into a MemoryBuffer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158841 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20 20:21:33 +00:00
Francois Pichet
a8e0865b7a Unbreak the MSVC build: add return to unimplemented functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20 04:08:49 +00:00
Nick Kledzik
ca077ec5ea Add permissions(), map_file_pages(), and unmap_file_pages() to llvm::sys::fs and add unit test. Unix is implemented. Windows side needs to be implemented.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158770 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20 00:28:54 +00:00
Kaelyn Uhrain
44b2c82871 Don't assert when given an empty range.
llvm::RawMemoryObject handles empty ranges just fine, and the assert can
be triggered in the wild by e.g. invoking clang with a file that
included an empty pre-compiled header file when clang has been built
with assertions enabled. Without assertions enabled, clang will properly
report that the empty file is not a valid PCH.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158769 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-20 00:16:40 +00:00
Chandler Carruth
2a79116940 Fix PR13148, an inf-loop in StringMap.
StringMap suffered from the same bug as DenseMap: when you explicitly
construct it with a small number of buckets, you can arrange for the
tombstone-based growth path to be followed when the number of buckets
was less than '8'. In that case, even with a full map, it would compare
'0' as not less than '0', and refuse to grow the table, leading to
inf-loops trying to find an empty bucket on the next insertion. The fix
is very simple: use '<=' as the comparison. The same fix was applied to
DenseMap as well during its recent refactoring.

Thanks to Alex Bolz for the great report and test case. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158725 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19 17:40:35 +00:00
Michael J. Spencer
b51c8e9bb5 [Support/PathV2] Fix out of bounds access in identify_magic when the file is empty.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158704 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-19 05:29:57 +00:00
Chandler Carruth
29436629da Don't call 'FilesToRemove[0]' when the vector is empty, even to compute
the address of it. Found by a checking STL implementation used on
a dragonegg builder. Sorry about this one. =/

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158582 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-16 00:44:07 +00:00
Chandler Carruth
0b8b3ba21e Harden the Unix signals code to be more async signal safe.
This is likely only the tip of the ice berg, but this particular bug
caused any double-free on a glibc system to turn into a deadlock! It is
not generally safe to either allocate or release heap memory from within
the signal handler. The 'pop_back()' in RemoveFilesToRemove was deleting
memory and causing the deadlock. What's worse, eraseFromDisk in PathV1
has lots of allocation and deallocation paths. We even passed 'true' in
a place that would have caused the *signal handler* to try to run the
'system' system call and shell out to 'rm -rf'. That was never going to
work...

This patch switches the file removal to use a vector of strings so that
the exact text needed for the 'unlink' system call can be stored there.
It switches the loop to be a boring indexed loop, and directly calls
unlink without looking at the error. It also works quite hard to ensure
that calling 'c_str()' is safe, by ensuring that the non-signal-handling
code path that manipulates the vector always leaves it in a state where
every element has already had 'c_str()' called at least once.

I dunno exactly how overkill this is, but it fixes the
deadlock-on-double free issue, and seems likely to prevent any other
issues from sneaking up.

Sorry for not having a test case, but I *really* don't know how to test
signal handling code easily....

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158580 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-16 00:09:41 +00:00
Argyrios Kyrtzidis
1a18e9a2c4 Fix building ThreadLocal.cpp with --disable-threads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158405 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-13 16:30:06 +00:00
Hal Finkel
6670c82df5 Fixes for PPC host detection and features.
POWER4 is a 64-bit CPU (better matched to the 970).
The g3 is really the 750 (no altivec), the g4+ is the 74xx (not the 750).

Patch by Andreas Tobler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12 16:39:23 +00:00
Hal Finkel
4db738ae98 Reapply r158337, this time properly protect Darwin/PPC host CPU use with __ppc__.
Original commit message:
Move PPC host-CPU detection logic from PPCSubtarget into sys::getHostCPUName().

Both the new Linux functionality and the old Darwin functions have been moved.
This change also allows this information to be queried directly by clang and
other frontends (clang, for example, will now have real -mcpu=native support).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158349 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12 03:03:13 +00:00
Argyrios Kyrtzidis
3e61374295 Satisfy C++ aliasing rules, per suggestion by Chandler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158346 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12 01:06:16 +00:00
Jakob Stoklund Olesen
138c2b4e8a Revert r158337 "Move PPC host-CPU detection logic from PPCSubtarget into sys::getHostCPUName()."
This commit broke most of the PowerPC unit tests when running on
Intel/Apple.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158345 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12 00:58:40 +00:00
Argyrios Kyrtzidis
793537d21f For llvm::sys::ThreadLocalImpl instead of malloc'ing the platform-specific
thread local data, embed them in the class using a uint64_t and make sure
we get compiler errors if there's a platform where this is not big enough.

This makes ThreadLocal more safe for using it in conjunction with CrashRecoveryContext.

Related to crash in rdar://11434201.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158342 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-12 00:21:31 +00:00
Hal Finkel
7bb39d8612 Move PPC host-CPU detection logic from PPCSubtarget into sys::getHostCPUName().
Both the new Linux functionality and the old Darwin functions have been moved.
This change also allows this information to be queried directly by clang and
other frontends (clang, for example, will now have real -mcpu=native support).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158337 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-11 23:14:31 +00:00
Aaron Ballman
133fe7542c Disabling a spurious deprecation warning about using PathV1 from within the PathV1 implementation file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158274 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-09 13:59:29 +00:00
Aaron Ballman
19472a6f5f Fixing a typo in the comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158273 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-09 13:46:36 +00:00
Dmitri Gribenko
77592fe39c Convert comments to proper Doxygen comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158248 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-09 00:01:45 +00:00
Chad Rosier
28dd960cd1 Fix a crash in APInt::lshr when shiftAmt > BitWidth.
Patch by James Benton <jbenton@vmware.com>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158213 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-08 18:04:52 +00:00
Benjamin Kramer
1222c5c121 Use access(2) instead of stat(2) to check if a file exists.
Apart from being slightly cheaper, this fixes a real bug that hits 32 bit
linux systems. When passing a file larger than 2G to be linked (which isn't
that uncommon with large projects such as WebKit), clang's driver checks
if the file exists but the file size doesn't fit in an off_t and stat(2)
fails with EOVERFLOW. Clang then says that the file doesn't exist instead
of passing it to the linker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157891 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-02 16:28:09 +00:00
NAKAMURA Takumi
542c063f96 Path::GetTemporaryDirectory(): Add an assertion if TempDirectory is alive, to check when someone would remove the tempdir.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-27 13:02:04 +00:00
Justin Holewinski
42a0b48dd3 Remove the PTX back-end and all of its artifacts (triple, etc.)
This back-end was deprecated in favor of the NVPTX back-end.

NV_CONTRIB

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157417 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-24 21:38:21 +00:00
Patrik Hägglund
c3cd3956e6 Fix -Wcovered-switch-default warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157381 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-24 07:51:46 +00:00
Nuno Lopes
fbb7a73631 fix corner case in ConstantRange::intersectWith().
this fixes the missed optimization I was seeing in the CorrelatedValuePropagation pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157032 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-18 00:14:36 +00:00
Michael J. Spencer
24b709529f [Support/YAMLParser] Use rtrim on plain scalars.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156787 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-14 22:43:34 +00:00
Michael J. Spencer
b0940b46ed [Support/StringRef] Add find_last_not_of and {r,l,}trim.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156652 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-11 22:08:50 +00:00
Eric Christopher
61aef8bdf7 Allow unique_file to take a mode for file permissions, but default
to user only read/write.

Part of rdar://11325849

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156591 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-11 00:07:44 +00:00
Chad Rosier
537c2f5b2a Set the default iOS version to 3.0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156492 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-09 18:23:00 +00:00
Bob Wilson
0d38d3a000 Use the cpuid 64 bit flag to pick the default CPU name for an unknown model.
For the Family 6 switch in sys::getHostCPUName, an unrecognized model was
reported as "i686".  That's a really bad default since it means that new
CPUs will be treated as if they can only use 32-bit code.  This just looks
at the cpuid extended feature flag for 64 bit support, and if that is set,
it uses a default x86-64 cpu.  Similar logic is already used for the Family
15 code.  <rdar://problem/11314502>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156486 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-09 17:47:03 +00:00
Chad Rosier
26bbdeed6c Don't return true on a function with a void return type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156484 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-09 17:38:47 +00:00
Chad Rosier
ecee47eab4 Add Triple::getiOSVersion.
This new function provides a way to get the iOS version number from ios triples.
Part of rdar://11409204


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156483 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-09 17:23:48 +00:00
Kevin Enderby
9ed9e5d0f9 Fix it so llvm-objdump -arch does accept x86 and x86-64 as valid arch names.
PR12731.  Patch by Meador Inge!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156444 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08 23:38:45 +00:00
Daniel Dunbar
2b8f3ba843 [Support] Fix sys::GetRandomNumber() to always use a high quality seed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156414 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08 20:38:00 +00:00
NAKAMURA Takumi
6781c96599 Windows/PathV2.inc: Retry rename() for (maximum) 2 seconds.
Files might be opend by system scanners (eg. file indexer, virus scanner, &c).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156380 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-08 14:31:46 +00:00
Matt Beaumont-Gay
d58518a8b6 Don't assume size_t is unsigned long long.
Fixes a -Woverflow warning from gcc when building for 32-bit platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156313 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-07 18:12:42 +00:00
Chris Lattner
eb034f4af3 make SourceMgr tolerate empty SMLoc()'s better.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156260 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06 16:20:49 +00:00
NAKAMURA Takumi
dc736b0a3e Unix/Process.inc: Give more useful random seed to srand. Workaround for PR12743.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156252 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06 08:24:24 +00:00
NAKAMURA Takumi
24cddd5c9a Support/Process: Move llvm::sys::Process::GetRandomNumber() from Process.cpp to Unix/Process.inc.
FIXME: GetRandomNumber() is not implemented in Win32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156251 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-06 08:24:18 +00:00
Chris Lattner
77eafd940a reapply my patch, with a fix for an off-by-one error. Turned out to be a lot
of work for a drive-by fix :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05 22:17:32 +00:00
Chris Lattner
c18e6d9375 revert my patches, which are causing problems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156245 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05 22:11:04 +00:00
Chris Lattner
bf0e32368e refactor some code to expose column numbers more and make diagnostic printing slightly more efficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156243 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05 21:39:51 +00:00
Daniel Dunbar
c94e593060 [Support] Add missing include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156240 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-05 16:49:11 +00:00