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* Add a new jump table encoding to indicate jump tables entriesRichard Osborne2010-03-111-0/+4
| | | | | | are inside the function by the target at the point of use. llvm-svn: 98255
* set the temporary bit on MCSymbols correctly.Chris Lattner2010-03-101-1/+3
| | | | llvm-svn: 98124
* Add support for the 'alignstack' attribute to the x86 backend. Fixes PR5254.Charles Davis2010-02-191-0/+3
| | | | | | Also, FileCheck'ize a test. llvm-svn: 96686
* Fix "the the" and similar typos.Dan Gohman2010-02-101-1/+1
| | | | llvm-svn: 95781
* Silence GCC warnings with asserts turned off. No functionality change.Chandler Carruth2010-01-271-2/+1
| | | | llvm-svn: 94673
* Move getJTISymbol from MachineJumpTableInfo to MachineFunction,Chris Lattner2010-01-261-18/+21
| | | | | | | | | | | | | | | | | | which is more convenient, and change getPICJumpTableRelocBaseExpr to take a MachineFunction to match. Next, move the X86 code that create a PICBase symbol to X86TargetLowering::getPICBaseSymbol from X86MCInstLower::GetPICBaseSymbol, which was an asmprinter specific library. This eliminates a 'gross hack', and allows us to implement X86ISelLowering::getPICJumpTableRelocBaseExpr which now calls it. This in turn allows us to eliminate the X86AsmPrinter::printPICJumpTableSetLabel method, which was the only overload of printPICJumpTableSetLabel. llvm-svn: 94526
* add a new MachineJumpTableInfo::getJTISymbol method,Chris Lattner2010-01-261-8/+28
| | | | | | use it to implement the default TargetLowering::getPICJumpTableRelocBaseExpr llvm-svn: 94523
* make MachineFunction keep track of its ID and make Chris Lattner2010-01-261-5/+5
| | | | | | | | MachineFunctionAnalysis dole them out, instead of having AsmPrinter do both. Have the AsmPrinter::SetupMachineFunction method set the 'AsmPrinter::MF' variable. llvm-svn: 94509
* Add support for target-specific 32-bit custom-lowered Chris Lattner2010-01-261-0/+2
| | | | | | jump table entries. llvm-svn: 94505
* Rearrange handling of jump tables. Highlights:Chris Lattner2010-01-251-11/+49
| | | | | | | | | | | | | | | | | | 1. MachineJumpTableInfo is now created lazily for a function the first time it actually makes a jump table instead of for every function. 2. The encoding of jump table entries is now described by the MachineJumpTableInfo::JTEntryKind enum. This enum is determined by the TLI::getJumpTableEncoding() hook, instead of by lots of code scattered throughout the compiler that "knows" that jump table entries are always 32-bits in pic mode (for example). 3. The size and alignment of jump table entries is now calculated based on their kind, instead of at machinefunction creation time. Future work includes using the EntryKind in more places in the compiler, eliminating other logic that "knows" the layout of jump tables in various situations. llvm-svn: 94470
* Avoid including DebugInfo.h in AsmPrinter.hDevang Patel2010-01-191-0/+1
| | | | llvm-svn: 93864
* Replace DebugLocTuple with DILocation.Devang Patel2010-01-161-3/+3
| | | | llvm-svn: 93630
* Change errs() to dbgs().David Greene2010-01-041-4/+5
| | | | llvm-svn: 92544
* improve portability to avoid conflicting with std::next in c++'0x.Chris Lattner2009-12-031-2/+2
| | | | | | Patch by Howard Hinnant! llvm-svn: 90365
* Remove ShortNames from getNodeLabel in DOTGraphTraitsTobias Grosser2009-11-301-5/+4
| | | | llvm-svn: 90134
* Instantiate DefaultDOTGraphTraitsTobias Grosser2009-11-301-0/+3
| | | | llvm-svn: 90133
* Do not merge jump tables this early. Branch folding will do any necessaryJim Grosbach2009-11-141-4/+0
| | | | | | | merges, and until then, it's useful to keep the tables separate for ease of manipulation. llvm-svn: 88806
* Add function to replace a destination MBB in a single jump tableJim Grosbach2009-11-141-8/+19
| | | | llvm-svn: 88804
* Add a bool flag to StackObjects telling whether they reference spillDavid Greene2009-11-121-2/+3
| | | | | | | | | | | | | slots. The AsmPrinter will use this information to determine whether to print a spill/reload comment. Remove default argument values. It's too easy to pass a wrong argument value when multiple arguments have default values. Make everything explicit to trap bugs early. Update all targets to adhere to the new interfaces.. llvm-svn: 87022
* Make -print-machineinstrs more readable.Dan Gohman2009-10-311-27/+44
| | | | | | | | | | | | | | - Be consistent when referring to MachineBasicBlocks: BB#0. - Be consistent when referring to virtual registers: %reg1024. - Be consistent when referring to unknown physical registers: %physreg10. - Be consistent when referring to known physical registers: %RAX - Be consistent when referring to register 0: %reg0 - Be consistent when printing alignments: align=16 - Print jump table contents. - Don't print host addresses, in general. - and various other cleanups. llvm-svn: 85682
* Fix 80-column violation.Dan Gohman2009-10-311-1/+2
| | | | llvm-svn: 85653
* Allow constants of different types to share constant pool entriesDan Gohman2009-10-281-3/+47
| | | | | | if they have compatible encodings. llvm-svn: 85359
* Remove includes of Support/Compiler.h that are no longer needed after theNick Lewycky2009-10-251-1/+0
| | | | | | VISIBILITY_HIDDEN removal. llvm-svn: 85043
* Remove VISIBILITY_HIDDEN from class/struct found inside anonymous namespaces.Nick Lewycky2009-10-251-1/+1
| | | | | | | Chris claims we should never have visibility_hidden inside any .cpp file but that's still not true even after this commit. llvm-svn: 85042
* Add basic infrastructure and x86 support for preserving MachineMemOperandDan Gohman2009-10-091-0/+64
| | | | | | information when unfolding memory references. llvm-svn: 83656
* Remove dead code.Devang Patel2009-09-301-17/+0
| | | | llvm-svn: 83181
* Improve MachineMemOperand handling.Dan Gohman2009-09-251-5/+23
| | | | | | | | | | | | | | | | | | | | | - Allocate MachineMemOperands and MachineMemOperand lists in MachineFunctions. This eliminates MachineInstr's std::list member and allows the data to be created by isel and live for the remainder of codegen, avoiding a lot of copying and unnecessary translation. This also shrinks MemSDNode. - Delete MemOperandSDNode. Introduce MachineSDNode which has dedicated fields for MachineMemOperands. - Change MemSDNode to have a MachineMemOperand member instead of its own fields with the same information. This introduces some redundancy, but it's more consistent with what MachineInstr will eventually want. - Ignore alignment when searching for redundant loads for CSE, but remember the greatest alignment. Target-specific code which previously used MemOperandSDNodes with generic SDNodes now use MemIntrinsicSDNodes, with opcodes in a designated range so that the SelectionDAG framework knows that MachineMemOperand information is available. llvm-svn: 82794
* add hooks to hang target-specific goop off MachineModuleInfo,Chris Lattner2009-09-151-0/+3
| | | | | | | move MachineFunctionInfo virtual method out of line to give it a home. llvm-svn: 81940
* Reapply 79977.Devang Patel2009-08-281-1/+1
| | | | | | Use MDNodes to encode debug info in llvm IR. llvm-svn: 80406
* Revert 79977. It causes llvm-gcc bootstrap failures on some platforms.Devang Patel2009-08-261-1/+1
| | | | llvm-svn: 80073
* Update DebugInfo interface to use metadata, instead of special named ↵Devang Patel2009-08-251-1/+1
| | | | | | | | llvm.dbg.... global variables, to encode debugging information in llvm IR. This is mostly a mechanical change that tests metadata support very well. This change speeds up llvm-gcc by more then 6% at "-O0 -g" (measured by compiling InstructionCombining.cpp!) llvm-svn: 79977
* Fix some refactos for iostream changes (in -Asserts mode).Daniel Dunbar2009-08-231-4/+4
| | | | | | - The world needs better C++ refactoring tools, can I get an Amen!? llvm-svn: 79843
* remove std::ostream versions of printing stuff for MBB and MF,Chris Lattner2009-08-231-19/+13
| | | | | | upgrading a few things to use raw_ostream llvm-svn: 79811
* convert some stuff to work on raw_ostreams instead of std::ostream.Chris Lattner2009-08-231-16/+18
| | | | llvm-svn: 79803
* remove dead PrefixPrinter class.Chris Lattner2009-08-231-8/+5
| | | | llvm-svn: 79796
* Add missing includes.David Greene2009-08-191-0/+1
| | | | llvm-svn: 79480
* Remove a bit more cruft from the sjlj moving to a backend pass.Jim Grosbach2009-08-171-3/+0
| | | | llvm-svn: 79272
* Push LLVMContexts through the IntegerType APIs.Owen Anderson2009-08-131-1/+2
| | | | llvm-svn: 78948
* Add MachineFrameInfo::getPristineRegisters(MBB) method.Jakob Stoklund Olesen2009-08-131-1/+31
| | | | llvm-svn: 78911
* SjLj based exception handling unwinding support. This patch is nasty, brutishJim Grosbach2009-08-111-0/+3
| | | | | | | | | | | | | and short. Well, it's kinda short. Definitely nasty and brutish. The front-end generates the register/unregister calls into the SjLj runtime, call-site indices and landing pad dispatch. The back end fills in the LSDA with the call-site information provided by the front end. Catch blocks are not yet implemented. Built on Darwin and verified no llvm-core "make check" regressions. llvm-svn: 78625
* Re-apply LiveInterval index dumping patch, with fixes suggested by BillDavid Greene2009-08-031-3/+6
| | | | | | and others. llvm-svn: 78003
* Fix some comments referring to std::cerr.Daniel Dunbar2009-08-031-2/+2
| | | | llvm-svn: 77931
* MachineFunction no longer needs Annotation.Dan Gohman2009-07-311-2/+1
| | | | llvm-svn: 77704
* Reapply r77654 with a fix: MachineFunctionPass's getAnalysisUsageDan Gohman2009-07-311-71/+2
| | | | | | | | shouldn't do AU.setPreservesCFG(), because even though CodeGen passes don't modify the LLVM IR CFG, they may modify the MachineFunction CFG, and passes like MachineLoop are registered with isCFGOnly set to true. llvm-svn: 77691
* Revert r77654, it appears to be causing llvm-gcc bootstrap failures, and manyDaniel Dunbar2009-07-311-2/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | failures when building assorted projects with clang. --- Reverse-merging r77654 into '.': U include/llvm/CodeGen/Passes.h U include/llvm/CodeGen/MachineFunctionPass.h U include/llvm/CodeGen/MachineFunction.h U include/llvm/CodeGen/LazyLiveness.h U include/llvm/CodeGen/SelectionDAGISel.h D include/llvm/CodeGen/MachineFunctionAnalysis.h U include/llvm/Function.h U lib/Target/CellSPU/SPUISelDAGToDAG.cpp U lib/Target/PowerPC/PPCISelDAGToDAG.cpp U lib/CodeGen/LLVMTargetMachine.cpp U lib/CodeGen/MachineVerifier.cpp U lib/CodeGen/MachineFunction.cpp U lib/CodeGen/PrologEpilogInserter.cpp U lib/CodeGen/MachineLoopInfo.cpp U lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp D lib/CodeGen/MachineFunctionAnalysis.cpp D lib/CodeGen/MachineFunctionPass.cpp U lib/CodeGen/LiveVariables.cpp llvm-svn: 77661
* Manage MachineFunctions with an analysis Pass instead of the AnnotableDan Gohman2009-07-311-71/+2
| | | | | | | mechanism. To support this, make MachineFunctionPass a little more complete. llvm-svn: 77654
* More migration to raw_ostream, the water has dried up around the iostream hole.Daniel Dunbar2009-07-251-2/+2
| | | | | | | | | | - Some clients which used DOUT have moved to DEBUG. We are deprecating the "magic" DOUT behavior which avoided calling printing functions when the statement was disabled. In addition to being unnecessary magic, it had the downside of leaving code in -Asserts builds, and of hiding potentially unnecessary computations. llvm-svn: 77019
* Switch to getNameStr().Daniel Dunbar2009-07-241-4/+4
| | | | llvm-svn: 76962
* reimplement Constant::ContainsRelocations as Chris Lattner2009-07-221-13/+1
| | | | | | | | | Constant::getRelocationInfo(), which has a much simpler to use API. It still should not be part of libvmcore, but is better than it was. Also teach it to be smart about hidden visibility. llvm-svn: 76700
* no really, I can spell!Chris Lattner2009-07-211-2/+2
| | | | llvm-svn: 76679
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