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2010-01-05NamedMDNode is a collection MDNodes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92761 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-05Add a SmallBitVector class, which mimics BitVector but uses onlyDan Gohman
a single pointer (PointerIntPair) member. In "small" mode, the pointer field is reinterpreted as a set of bits. In "large" mode, the pointer points to a heap-allocated object. Also, give BitVector empty and swap functions. And, add some simple unittests for BitVector and SmallBitVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92730 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-31Silence compiler warning.Benjamin Kramer
warning: comparison between signed and unsigned integer expressions git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92359 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-31Document the edit-distance algorithm used in StringRef, switch it overDouglas Gregor
to SmallVector, and add a unit test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92340 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-31don't unittest mdnode printing, we have disassembler tests for this.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92328 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-31rename "elements" of metadata to "operands". "Elements" areChris Lattner
things that occur in types. "operands" are things that occur in values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92322 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Implement support for converting to string at "natural precision", and fix someJohn McCall
major bugs in long-precision conversion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92150 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Move the two definitions of operator<< into namespace llvm, so theyDouglas Gregor
will be found by argument-dependent lookup. As with the previous commit, GCC is allowing ill-formed code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92146 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Define the new operator<< for sets into namespace std, so thatDouglas Gregor
argument-dependent lookup can find it. This is another case where an LLVM bug (not making operator<< visible) was masked by a GCC bug (looking in the global namespace when it shouldn't). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92144 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-24Add accessors for the largest-magnitude, smallest-magnitude, andJohn McCall
smallest-normalized-magnitude values in a given FP semantics. Provide an APFloat-to-string conversion which I am quite ready to admit could be much more efficient. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92126 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-23Disable JITTest.FunctionIsRecompiledAndRelinked on ARM where it's notJeffrey Yasskin
implemented. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91963 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Partially revert r91626. Materializing extra functions to determine whetherJeffrey Yasskin
they're available_externally broke VMKit, which was relying on the fact that functions would only be materialized when they were first called. We'll have to wait for http://llvm.org/PR5737 to really fix this. I also added a test for one of the F->isDeclaration() calls which wasn't covered by anything else in the test suite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91943 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-22Fix a crash in JIT::recompileAndRelinkFunction(). It doesn't pass the MCIJeffrey Yasskin
argument to runJITOnFunction(), which caused a null pointer dereference at every call. Patch by Gianluca Guida! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91939 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-21Change StringRef::startswith and StringRef::endswith to versions which are aEli Friedman
bit more verbose, but optimize to much shorter code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-18Catch more cases of a pointer being marked garbage twice. This helps whenRafael Espindola
debugging some leaks (PR5770 in particular). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91713 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17Don't codegen available_externally functions. Fixes http://llvm.org/PR5735.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91626 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-17This fixes a memory leak in OpaqueType found by Google's internal heapchecker.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91611 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-13Reinstate r91208 to fix available_externally linkage for globals, withJeffrey Yasskin
nlewycky's fix to add -rdynamic so the JIT can look symbols up in Linux builds of the JITTests binary. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91250 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-12Revert r91208. Something on Linux prevents the JIT from looking up a symbolJeffrey Yasskin
defined in the test, and I don't have time tonight to figure it out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91209 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-12Fix available_externally linkage for globals. It's probably still notJeffrey Yasskin
supported by emitGlobals, but I don't have a test case for that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91208 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03Add an implementation of the delta debugging algorithm.Daniel Dunbar
- This is a pretty slow / memory intensive implementation, and I will likely change it to an iterative model, but it works. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90447 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Oops. Re-disable JITTest.NoStubs on ARM and PPC since they still use stubs toJeffrey Yasskin
make far calls work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89733 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23* Move stub allocation inside the JITEmitter, instead of exposing aJeffrey Yasskin
way for each TargetJITInfo subclass to allocate its own stubs. This means stubs aren't as exactly-sized anymore, but it lets us get rid of TargetJITInfo::emitFunctionStubAtAddr(), which lets ARM and PPC support the eager JIT, fixing http://llvm.org/PR4816. * Rename the JITEmitter's stub creation functions to describe the kind of stub they create. So far, all of them create lazy-compilation stubs, but they sometimes get used when far-call stubs are needed. Fixing http://llvm.org/PR5201 will involve fixing this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89715 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-19Only run this mutex test if threading is enabled. ThisDuncan Sands
fixes PR5395. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89385 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-19Reenable Split2 StringRef test with Apple gcc.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89357 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17"XFAIL" the Split2 StringReft test with Apple gcc, which miscompiles it.Daniel Dunbar
- I plan on fixing/workarounding this, but until then I'd like the bots to stay green. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89077 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16Revert the test from r88984. It relies on being able to mmap 16GB ofJeffrey Yasskin
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88994 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16Make X86-64 in the Large model always emit 64-bit calls.Jeffrey Yasskin
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! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88984 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14This test doesn't work on arm either.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88794 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Disable the JITTest.NoStubs test for Darwin PPC. It apparently doesn't implementBill Wendling
emitFunctionStubAtAddr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88708 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Distinguish "a," from "a". The first one splits into "a" + "" and the second ↵Rafael Espindola
one into "a" + 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Switch to smallvector. Also fix issue with using unsigend for MaxSplit.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Add a new split method to StringRef that puts the substrings in a vector.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87058 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Use stubs when we have them, otherwise use code we already have,Eric Christopher
otherwise create a stub. Add a test to make sure we don't create extraneous stubs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86941 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Fix JITTest.ModuleDeletion in -Asserts mode (which turns off JITEmitDebugInfoJeffrey Yasskin
by default). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86807 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Add From arguments to StringRef search functions, and tweak doxyments.Daniel Dunbar
Also, add unittests for find_first_of and find_first_not_of. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86770 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Fix DenseMap iterator constness.Jeffrey Yasskin
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! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86636 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Remove dlsym stubs, with Nate Begeman's permission.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86606 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28Fix the ModuleDeletion test on PPC and ARM.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Revert the API changes from r85295 to make it easier for people to buildJeffrey Yasskin
against both 2.6 and HEAD. The default is still changed to eager jitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85330 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Factor out redundancy from clone() implementations.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Change the JIT to compile eagerly by default as agreed inJeffrey Yasskin
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85295 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Type.h doesn't need to #include LLVMContext.hChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85254 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Automatically do the equivalent of freeMachineCodeForFunction(F) when F isJeffrey Yasskin
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85182 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26Remove / use flags that are now set in the Makefile.config.Julien Lerouge
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85149 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26Move DataTypes.h to include/llvm/System, update all users. This breaks the lastChandler Carruth
direct inclusion edge from System to Support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85086 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Fix http://llvm.org/PR4822: allow module deletion after a function has beenJeffrey Yasskin
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84975 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Fix stylistic and documentation problems in ValueMap found by Nick Lewycky andJeffrey Yasskin
Evan Cheng. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84967 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Try r84890 again (adding ValueMap<>), now that I've tested the compile onJeffrey Yasskin
gcc-4.4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84902 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Revert r84890, which broke the linux build.Jeffrey Yasskin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84892 91177308-0d34-0410-b5e6-96231b3b80d8
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