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Commit Graph

217 Commits

Author SHA1 Message Date
Duncan Sands
78f8022d71 Only run this mutex test if threading is enabled. This
fixes PR5395.

llvm-svn: 89385
2009-11-19 20:48:14 +00:00
Benjamin Kramer
891fbcdb60 Reenable Split2 StringRef test with Apple gcc.
llvm-svn: 89357
2009-11-19 16:04:41 +00:00
Daniel Dunbar
e36c429c3b "XFAIL" the Split2 StringReft test with Apple gcc, which miscompiles it.
- I plan on fixing/workarounding this, but until then I'd like the bots to stay
   green.

llvm-svn: 89077
2009-11-17 09:29:59 +00:00
Jeffrey Yasskin
9f05d972b7 Revert the test from r88984. It relies on being able to mmap 16GB of
address space (though it only uses a small fraction of that), and the
buildbots disallow that.

Also add a comment to the Makefile's ulimit line warning future
developers that changing it won't work.

llvm-svn: 88994
2009-11-16 23:32:30 +00:00
Jeffrey Yasskin
0f846dbb3e Make X86-64 in the Large model always emit 64-bit calls.
The large code model is documented at
http://www.x86-64.org/documentation/abi.pdf and says that calls should
assume their target doesn't live within the 32-bit pc-relative offset
that fits in the call instruction.

To do this, we turn off the global-address->target-global-address
conversion in X86TargetLowering::LowerCall(). The first attempt at
this broke the lazy JIT because it can separate the movabs(imm->reg)
from the actual call instruction. The lazy JIT receives the address of
the movabs as a relocation and needs to record the return address from
the call; and then when that call happens, it needs to patch the
movabs with the newly-compiled target. We could thread the call
instruction into the relocation and record the movabs<->call mapping
explicitly, but that seems to require at least as much new
complication in the code generator as this change.

To fix this, we make lazy functions _always_ go through a call
stub. You'd think we'd only have to force lazy calls through a stub on
difficult platforms, but that turns out to break indirect calls
through a function pointer. The right fix for that is to distinguish
between calls and address-of operations on uncompiled functions, but
that's complex enough to leave for someone else to do.

Another attempt at this defined a new CALL64i pseudo-instruction,
which expanded to a 2-instruction sequence in the assembly output and
was special-cased in the X86CodeEmitter's emitInstruction()
function. That broke indirect calls in the same way as above.

This patch also removes a hack forcing Darwin to the small code model.
Without far-call-stubs, the small code model requires things of the
JITMemoryManager that the DefaultJITMemoryManager can't provide.

Thanks to echristo for lots of testing!

llvm-svn: 88984
2009-11-16 22:41:33 +00:00
Benjamin Kramer
df7c41116b This test doesn't work on arm either.
llvm-svn: 88794
2009-11-14 15:15:39 +00:00
Bill Wendling
2b0d1f6495 Disable the JITTest.NoStubs test for Darwin PPC. It apparently doesn't implement
emitFunctionStubAtAddr.

llvm-svn: 88708
2009-11-13 21:58:54 +00:00
Rafael Espindola
bece8d9ae7 Distinguish "a," from "a". The first one splits into "a" + "" and the second one into
"a" + 0.

llvm-svn: 87084
2009-11-13 04:55:09 +00:00
Rafael Espindola
11ceba8119 Switch to smallvector. Also fix issue with using unsigend for MaxSplit.
llvm-svn: 87068
2009-11-13 02:18:25 +00:00
Rafael Espindola
22f040b797 Add a new split method to StringRef that puts the substrings in a vector.
llvm-svn: 87058
2009-11-13 01:24:40 +00:00
Eric Christopher
42c58d5ea6 Use stubs when we have them, otherwise use code we already have,
otherwise create a stub.

Add a test to make sure we don't create extraneous stubs.

llvm-svn: 86941
2009-11-12 03:12:18 +00:00
Jeffrey Yasskin
92dc6cb703 Fix JITTest.ModuleDeletion in -Asserts mode (which turns off JITEmitDebugInfo
by default).

llvm-svn: 86807
2009-11-11 05:30:02 +00:00
Daniel Dunbar
16a5387db2 Add From arguments to StringRef search functions, and tweak doxyments.
Also, add unittests for find_first_of and find_first_not_of.

llvm-svn: 86770
2009-11-11 00:28:53 +00:00
Jeffrey Yasskin
23ac706aab Fix DenseMap iterator constness.
This patch forbids implicit conversion of DenseMap::const_iterator to
DenseMap::iterator which was possible because DenseMapIterator inherited
(publicly) from DenseMapConstIterator. Conversion the other way around is now
allowed as one may expect.

The template DenseMapConstIterator is removed and the template parameter
IsConst which specifies whether the iterator is constant is added to
DenseMapIterator.

Actually IsConst parameter is not necessary since the constness can be
determined from KeyT but this is not relevant to the fix and can be addressed
later.

Patch by Victor Zverovich!

llvm-svn: 86636
2009-11-10 01:02:17 +00:00
Jeffrey Yasskin
7ad82ff8cf Remove dlsym stubs, with Nate Begeman's permission.
llvm-svn: 86606
2009-11-09 22:34:19 +00:00
Jeffrey Yasskin
441cef1722 Fix the ModuleDeletion test on PPC and ARM.
llvm-svn: 85352
2009-10-28 00:28:31 +00:00
Jeffrey Yasskin
5e379247c1 Revert the API changes from r85295 to make it easier for people to build
against both 2.6 and HEAD.  The default is still changed to eager jitting.

llvm-svn: 85330
2009-10-27 22:39:42 +00:00
Devang Patel
b7572e3783 Factor out redundancy from clone() implementations.
llvm-svn: 85327
2009-10-27 22:16:29 +00:00
Jeffrey Yasskin
2d123f7740 Change the JIT to compile eagerly by default as agreed in
http://llvm.org/PR5184, and beef up the comments to describe what both options
do and the risks of lazy compilation in the presence of threads.

llvm-svn: 85295
2009-10-27 20:30:28 +00:00
Chris Lattner
fa5b1df64a Type.h doesn't need to #include LLVMContext.h
llvm-svn: 85254
2009-10-27 17:08:31 +00:00
Jeffrey Yasskin
42aa2a2692 Automatically do the equivalent of freeMachineCodeForFunction(F) when F is
being destroyed. This allows users to run global optimizations like globaldce
even after some functions have been jitted.

This patch also removes the Function* parameter to
JITEventListener::NotifyFreeingMachineCode() since it can cause that to be
called when the Function is partially destroyed. This change will be even more
helpful later when I think we'll want to allow machine code to actually outlive
its Function.

llvm-svn: 85182
2009-10-27 00:03:05 +00:00
Julien Lerouge
d2861eb219 Remove / use flags that are now set in the Makefile.config.
llvm-svn: 85149
2009-10-26 20:01:35 +00:00
Chandler Carruth
766362c707 Move DataTypes.h to include/llvm/System, update all users. This breaks the last
direct inclusion edge from System to Support.

llvm-svn: 85086
2009-10-26 01:35:46 +00:00
Jeffrey Yasskin
8ff8b897a5 Fix http://llvm.org/PR4822: allow module deletion after a function has been
compiled.

When functions are compiled, they accumulate references in the JITResolver's
stub maps. This patch removes those references when the functions are
destroyed.  It's illegal to destroy a Function when any thread may still try to
call its machine code.

This patch also updates r83987 to use ValueMap instead of explicit CallbackVHs
and fixes a couple "do stuff inside assert()" bugs from r84522.

llvm-svn: 84975
2009-10-23 22:37:43 +00:00
Jeffrey Yasskin
bc5f122491 Fix stylistic and documentation problems in ValueMap found by Nick Lewycky and
Evan Cheng.

llvm-svn: 84967
2009-10-23 20:54:00 +00:00
Jeffrey Yasskin
e90afea0ba Try r84890 again (adding ValueMap<>), now that I've tested the compile on
gcc-4.4.

llvm-svn: 84902
2009-10-22 22:11:22 +00:00
Jeffrey Yasskin
7555ed8cdc Revert r84890, which broke the linux build.
llvm-svn: 84892
2009-10-22 20:23:43 +00:00
Jeffrey Yasskin
ad8692124f Add a ValueMap<ValueOrSubclass*, T> type. ValueMap<Value*, T> is safe to use
even when keys get RAUWed and deleted during its lifetime. By default the keys
act like WeakVHs, but users can pass a third template parameter to configure
how updates work and whether to do anything beyond updating the map on each
action.

It's also possible to automatically acquire a lock around ValueMap updates
triggered by RAUWs and deletes, to support the ExecutionEngine.

llvm-svn: 84890
2009-10-22 20:10:20 +00:00
Jeffrey Yasskin
c5bf1f8ad9 Move the Function*->allocated blocks map from the JITMemoryManager to the
JITEmitter.

I'm gradually making Functions auto-remove themselves from the JIT when they're
destroyed. In this case, the Function needs to be removed from the JITEmitter,
but the map recording which Functions need to be removed lived behind the
JITMemoryManager interface, which made things difficult.

This patch replaces the deallocateMemForFunction(Function*) method with a pair
of methods deallocateFunctionBody(void *) and deallocateExceptionTable(void *)
corresponding to the two startFoo/endFoo pairs.

llvm-svn: 84651
2009-10-20 18:13:21 +00:00
Daniel Dunbar
0d83671555 PowerPC ifdef'ing considered more complicated than one might like.
llvm-svn: 84603
2009-10-20 05:33:23 +00:00
Nick Lewycky
ce81bfe51c Correct test for PowerPC.
llvm-svn: 84595
2009-10-20 04:09:50 +00:00
Daniel Dunbar
6de2000f8f Also check for __POWERPC__ when skipping these tests.
llvm-svn: 84482
2009-10-19 09:19:32 +00:00
Daniel Dunbar
5aa3eebc5d Add raw_ostream::write_escaped, for writing escaped strings.
llvm-svn: 84355
2009-10-17 20:43:08 +00:00
Benjamin Kramer
1ae4bc038e Disable another unittest that doesn't work on arm and ppc.
llvm-svn: 84186
2009-10-15 16:49:16 +00:00
Nick Lewycky
9b8cbbe11a The ARM and PowerPC jits are broken in this regard.
llvm-svn: 84128
2009-10-14 20:04:41 +00:00
Jeffrey Yasskin
8a0bdbb7f3 Keep track of stubs that are created. This fixes PR5162 and probably PR4822 and
4406. Patch by Nick Lewycky!

llvm-svn: 84032
2009-10-13 21:32:57 +00:00
Jeffrey Yasskin
3eacbf419d Make the ExecutionEngine automatically remove global mappings on when their
GlobalValue is destroyed.  Function destruction still leaks machine code and
can crash on leaked stubs, but this is some progress.

llvm-svn: 83987
2009-10-13 17:42:08 +00:00
Duncan Sands
19c1644f1f Pacify the compiler (signed with unsigned comparison) by making
these constants unsigned.

llvm-svn: 83962
2009-10-13 09:23:11 +00:00
Dan Gohman
f9067da535 Add a ceilLogBase2 function to APInt.
llvm-svn: 83932
2009-10-13 01:49:02 +00:00
Jeffrey Yasskin
7d85d5a366 Fix http://llvm.org/PR5160, to let CallbackVHs modify other ValueHandles on the
same Value without breaking things.

llvm-svn: 83861
2009-10-12 17:43:32 +00:00
Jeffrey Yasskin
7edab17bef ExecutionEngine::clearGlobalMappingsFromModule failed to remove reverse
mappings, which could cause errors and assert-failures.  This patch fixes that,
adds a test, and refactors the global-mapping-removal code into a single place.

llvm-svn: 83678
2009-10-09 22:10:27 +00:00
Jeffrey Yasskin
d326d37781 Fix illegal cross-type aliasing. Found by baldrick on a newer gcc.
llvm-svn: 83401
2009-10-06 19:06:16 +00:00
Duncan Sands
2400ad7236 Introduce and use convenience methods for getting pointer types
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.

llvm-svn: 83379
2009-10-06 15:40:36 +00:00
Jeffrey Yasskin
4b011e6a51 Fix http://llvm.org/PR5116 by rolling back r60822. This passes `make unittests
check-lit` on both x86-64 Linux and x86-32 Darwin.

llvm-svn: 83353
2009-10-06 00:35:55 +00:00
Benjamin Kramer
bb7785eb81 Try to fix unit test linking on linux ...
llvm-svn: 83252
2009-10-02 19:52:33 +00:00
Benjamin Kramer
8cebbc5761 MingW build fixes
- MingW needs -lpsapi (in ${LIBS}) linked after -lLLVMSystem.
  Noticed by Ronald Pijnacker!

- Some parts of the System library must be build with exceptions on windows.
  Based on a patch by Jay Foad!

llvm-svn: 83251
2009-10-02 19:36:31 +00:00
Nick Lewycky
6057c1a998 New unit test for the cloning module, which so far only covers cloning of
instructions' optimization flags.

llvm-svn: 82934
2009-09-27 21:39:46 +00:00
Nick Lewycky
171d7954c3 Link order: it matters.
llvm-svn: 82925
2009-09-27 20:58:01 +00:00
Chris Lattner
b47463f436 remove support for "NoSub" from regex. It seems like a minor optimization
and makes the API more annoying.  Add a Regex::getNumMatches() method.

llvm-svn: 82877
2009-09-26 21:27:04 +00:00
Jeffrey Yasskin
ae5a12200c Fix a compile failure introduced by r82675 on MinGW which doesn't have
setenv().  This patch just disables the test rather than getting putenv() to
work.  Thanks to Sandeep Patel for reporting the problem.

llvm-svn: 82797
2009-09-25 21:07:20 +00:00