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* Delete raw_stdout_ostream and raw_stderr_ostream, which are unusedDan Gohman2010-08-20
| | | | | | | | outside of outs() and errs() themselves, and they don't really need custom classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111642 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an inspirational quote.Dan Gohman2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111641 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment.Dan Gohman2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111640 91177308-0d34-0410-b5e6-96231b3b80d8
* Move raw_ostream's Error flag into raw_fd_ostream, as that's the onlyDan Gohman2010-08-20
| | | | | | | class which is using it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111639 91177308-0d34-0410-b5e6-96231b3b80d8
* Export error-handling functions in formatted_tool_output_file.Dan Gohman2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111638 91177308-0d34-0410-b5e6-96231b3b80d8
* Expose LLVMSetOperand and LLVMGetNumOperands to llvm-c and ocaml.Erick Tryzelaar2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111625 91177308-0d34-0410-b5e6-96231b3b80d8
* llvmc: Cut global namespace pollution.Mikhail Glushenkov2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111619 91177308-0d34-0410-b5e6-96231b3b80d8
* Disambiguate calls to WriteGraph() to disable ADL.Mikhail Glushenkov2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111618 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.Mikhail Glushenkov2010-08-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111617 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace the arm.neon.vmovls and vmovlu intrinsics with vector sign-extend andBob Wilson2010-08-20
| | | | | | | zero-extend operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111614 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a new tool_output_file class, which extends raw_ostream withDan Gohman2010-08-20
| | | | | | | | | functionality that most command-line tools need: ensuring that the output file gets deleted if the tool is interrupted or encounters an error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111595 91177308-0d34-0410-b5e6-96231b3b80d8
* Better handling of offsets on frame index references. rdar://8277890Jim Grosbach2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111585 91177308-0d34-0410-b5e6-96231b3b80d8
* Update comment to remove special case for vector extending loads. AnBob Wilson2010-08-19
| | | | | | | | extending vector load should extend each element in the same way as the corresponding scalar extending load. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111577 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-re-revert this patch. It seems to be causing performanceEric Christopher2010-08-19
| | | | | | | and correctness regressions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111527 91177308-0d34-0410-b5e6-96231b3b80d8
* Update local stack block allocation to let PEI do the allocs if no additionalJim Grosbach2010-08-19
| | | | | | | | base registers were required. This will allow for slightly better packing of the locals when alignment padding is necessary after callee saved registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111508 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111199; it breaks -debug-pass=Structure output.Dan Gohman2010-08-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111500 91177308-0d34-0410-b5e6-96231b3b80d8
* Reapply the virtual register patch from 109102. The places where we wereEric Christopher2010-08-19
| | | | | | | | depending on the number of virtual registers appear to have all been handled now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111499 91177308-0d34-0410-b5e6-96231b3b80d8
* Finish full attribute class emission for clang.Sean Hunt2010-08-18
| | | | | | For more information, see the accompanying clang patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111454 91177308-0d34-0410-b5e6-96231b3b80d8
* Make raw_fd_ostream consider itself the owner of STDOUT_FILENO whenDan Gohman2010-08-18
| | | | | | | | | | constructed with an output filename of "-". In particular, allow the file descriptor to be closed, and close the file descriptor in the destructor if it hasn't been explicitly closed already, to ensure that any write errors are detected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111436 91177308-0d34-0410-b5e6-96231b3b80d8
* move gep decomposition out of ValueTracking into BasicAA. The form ofChris Lattner2010-08-18
| | | | | | | | | | | decomposition that it is doing is very basicaa specific and is only used by basicaa. Now with less tree breakingness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111433 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a ScopedFatalErrorHandler class to make it easy to registerDan Gohman2010-08-18
| | | | | | | | fatal error handlers which automatically get unregistered at the end of a scope. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111398 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111394. It was too aggressive.Jakob Stoklund Olesen2010-08-18
| | | | | | | | | | We must complete the DFS, otherwise we might miss needed phi-defs, and prematurely color live ranges with a non-dominating value. This is not a big deal since we get to color more of the CFG and the next mapValue call will be faster. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111397 91177308-0d34-0410-b5e6-96231b3b80d8
* Aggressively prune the DFS when inserting phi-defs.Jakob Stoklund Olesen2010-08-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111394 91177308-0d34-0410-b5e6-96231b3b80d8
* Add df_iterator::getPathLength and getPath as a way of getting a path from theJakob Stoklund Olesen2010-08-18
| | | | | | entry node to the current node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111392 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. TheDaniel Dunbar2010-08-18
| | | | | | form of", it doesn't pass tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111385 91177308-0d34-0410-b5e6-96231b3b80d8
* Inform LazyValueInfo whenever a block is deleted, to avoid dangling pointer ↵Owen Anderson2010-08-18
| | | | | | issues. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111382 91177308-0d34-0410-b5e6-96231b3b80d8
* move gep decomposition out of ValueTracking into BasicAA. The form ofChris Lattner2010-08-18
| | | | | | | | decomposition that it is doing is very basicaa specific and is only used by basicaa. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111375 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hook for re-using virtual base registers for local stack slot access.Jim Grosbach2010-08-18
| | | | | | | | | | | | Nothing fancy, just ask the target if any currently available base reg is in range for the instruction under consideration and use the first one that is. Placeholder ARM implementation simply returns false for now. ongoing saga of rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111374 91177308-0d34-0410-b5e6-96231b3b80d8
* don't emit zero bit fields with Emit, fixing undefined behavior,Chris Lattner2010-08-18
| | | | | | | PR7778 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111336 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't pass in a null pointer to std::string's ctor, an empty stringChris Lattner2010-08-18
| | | | | | | ref should produce an empty std::string. This fixes PR7879. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111332 91177308-0d34-0410-b5e6-96231b3b80d8
* Add materialization of virtual base registers for frame indices allocated intoJim Grosbach2010-08-17
| | | | | | | | | | | | | | | the local block. Resolve references to those indices to a new base register. For simplification and testing purposes, a new virtual base register is allocated for each frame index being resolved. The result is truly horrible, but correct, code that's good for exercising the new code paths. Next up is adding thumb1 support, which should be very simple. Following that will be adding base register re-use and implementing a reasonable ARM heuristic for when a virtual base register should be generated at all. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111315 91177308-0d34-0410-b5e6-96231b3b80d8
* CrashRecovery: Add CrashRecoveryContext::GetCurrent(), so clients can find ↵Daniel Dunbar2010-08-17
| | | | | | the active context from anywhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111308 91177308-0d34-0410-b5e6-96231b3b80d8
* CrashRecovery: Make CrashRecoveryContext static methods thread safe.Daniel Dunbar2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111307 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some win64 coff goodness.Anton Korobeynikov2010-08-17
| | | | | | Patch by Cameron Esfahani! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111287 91177308-0d34-0410-b5e6-96231b3b80d8
* Sketch i386 relocations handling, from Roman Divacky.Benjamin Kramer2010-08-17
| | | | | | | Hello world builds & runs now on i386/ELF with -integrated-as. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111264 91177308-0d34-0410-b5e6-96231b3b80d8
* Add hook to examine an instruction referencing a frame index to determineJim Grosbach2010-08-17
| | | | | | | | | | | | | | | | | whether to allocate a virtual frame base register to resolve the frame index reference in it. Implement a simple version for ARM to aid debugging. In LocalStackSlotAllocation, scan the function for frame index references to local frame indices and ask the target whether to allocate virtual frame base registers for any it encounters. Purely infrastructural for debug output. Next step is to actually allocate base registers, then add intelligent re-use of them. rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111262 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111230, we have to find a better place for the host-specific code.Benjamin Kramer2010-08-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111232 91177308-0d34-0410-b5e6-96231b3b80d8
* Micro-optimize MCObjectWriter to do a byteswap if necessary and then write theBenjamin Kramer2010-08-17
| | | | | | | whole integer to the stream instead of doing byte-sized writes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111230 91177308-0d34-0410-b5e6-96231b3b80d8
* There is this new "LLVM" compiler that supports __builtin_bswap but thinks ↵Benjamin Kramer2010-08-17
| | | | | | it's gcc 4.2. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111228 91177308-0d34-0410-b5e6-96231b3b80d8
* Make dumpPassStructure be a PMDataManager abstraction, rather thanDan Gohman2010-08-16
| | | | | | | | | | | a Pass abstraction, since that's the level it's actually used at. Rename Pass' dumpPassStructure to dumpPass. This eliminates an awkward use of getAsPass() to convert a PMDataManager* into a Pass* just to permit a dumpPassStructure call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111199 91177308-0d34-0410-b5e6-96231b3b80d8
* Better handle alignment requirements for local objects in pre-regalloc frameJim Grosbach2010-08-16
| | | | | | | | | | mapping. Have the local block track its alignment requirement, and then apply that when the block itself is allocated. Previously, offsets could get adjusted in PEI to be different, relative to one another, than the block allocation thought they would be, which defeats the point of doing the allocation this way. Continuing rdar://8277890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111197 91177308-0d34-0410-b5e6-96231b3b80d8
* Make some of PMTopLevelManager's members non-public. In particular,Dan Gohman2010-08-16
| | | | | | | make its constructor protected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111193 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate the TopLevelManagerType enum; instead, just makeDan Gohman2010-08-16
| | | | | | | | PMTopLevelManager's constructor take a PMDataManager *, which already provides the needed abstraction support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111189 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ELF ObjectWriter and Streamer support.Matt Fleming2010-08-16
| | | | | | | | I forgot to add these files in commit 111172. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111174 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ELF ObjectWriter and Streamer support.Matt Fleming2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111172 91177308-0d34-0410-b5e6-96231b3b80d8
* Layout helper function.Matt Fleming2010-08-16
| | | | | | | | | | Introduce a helper method to add a section to the end of a layout. This will be used by the ELF ObjectWriter code to add the metadata sections (symbol table, etc) to the end of an object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111171 91177308-0d34-0410-b5e6-96231b3b80d8
* Record a symbol's size which is needed for ELF symbol tables.Matt Fleming2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111170 91177308-0d34-0410-b5e6-96231b3b80d8
* ELF entry size support.Matt Fleming2010-08-16
| | | | | | | | | Some ELF sections contain fixed-sized entries. Provide a way to record the entry size of a section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111169 91177308-0d34-0410-b5e6-96231b3b80d8
* track local frame size in MFI, not local to the pass, since PEI needs it.Jim Grosbach2010-08-16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111164 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r111031. The way LLVM defines loop invariance, the property of anDan Gohman2010-08-16
| | | | | | | | | | expression being loop invariant is not equivalent to the property of properly dominating the loop header. Other optimizations have also made this optimization less important. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111160 91177308-0d34-0410-b5e6-96231b3b80d8
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