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2009-11-26remove some redundant bracesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89912 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26Test for 89905.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89906 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26When all defs of a vr are implicit_def, delete all of the defs.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89905 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26Split tail duplication into a separate pass. This is needed to avoidBob Wilson
running tail duplication when doing branch folding for if-conversion, and we also want to be able to run tail duplication earlier to fix some reg alloc problems. Move the CanFallThrough function from BranchFolding to MachineBasicBlock so that it can be shared by TailDuplication. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89904 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Test for llvm-gcc checkin 89898.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89899 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Update to reflect recent debugging information encoding changes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89896 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Rollback changes r89516: Added two SubtargetFeatures::AddFeatures methods, ↵Viktor Kutuzov
which accept a comma-separated string or already parsed command line parameters as input, and some code re-factoring to use these new methods. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89893 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25ProcessImplicitDefs should watch out for invalidated iterator and extra ↵Evan Cheng
implicit operands on copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Tail duplicate indirect branches for PowerPC, too.Bob Wilson
With the testcase for pr3120, the "threaded interpreter" runtime decreases from 1788 to 1413 with this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Avoid some possibly unsafe uses of StringRef::data().Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89873 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Use StringRef (again) in DebugInfo interface.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89866 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Based on the testcase for pr3120, running on my MacPro with Xeon processors,Bob Wilson
it is definitely profitable to tail duplicate indirect branches for x86. This is likely to be true to various degrees for all modern x86 processors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89865 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Support PIC loading of constant pool entriesBruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89863 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Adjust comments to new semantics.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89862 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Sketch structure for X86 disassembler.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89850 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25API change Path::isSpecialFile to Path::isRegularFile, improve semantics in ↵Edward O'Callaghan
regards to comments from 89765 post review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Perform explicit instantiations in the proper namespace, since Clang ↵Douglas Gregor
diagnoses this ill-formity. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89846 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Reverting patch in revision 89758, initial attempt at fixing PR5373 has ↵Edward O'Callaghan
proven to be bogus. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89844 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Add the rest of the build system logic for optional target disassemblersDaniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89841 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Regenerate configureDaniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89840 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Add CMake and configure logic to create llvm/Config/Disassemblers.defs.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89839 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Sketch TableGen disassembler emitter, based on patch by Sean Callanan.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89833 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Use endianess dependent offsets for load/store of doubles whenBruno Cardoso Lopes
using two swc/lwc instead of sdc/ldc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89826 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Fix compiler warnings.Dale Johannesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89824 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Only include in the callee saved regs the sub registers to avoidBruno Cardoso Lopes
unnecessary save/restore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89823 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Add proper emission of load/store double to stack slots for mips1 targets!Bruno Cardoso Lopes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89821 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Revert r89803.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89819 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Refactor target hook for tail duplication as requested by Chris.Bob Wilson
Make tail duplication of indirect branches much more aggressive (for targets that indicate that it is profitable), based on further experience with this transformation. I compiled 3 large applications with and without this more aggressive tail duplication and measured minimal changes in code size. ("size" on Darwin seems to round the text size up to the nearest page boundary, so I can only say that any code size increase was less than one 4k page.) Radar 7421267. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Do not store R31 into the caller's link area on PPC.Dale Johannesen
This violates the ABI (that area is "reserved"), and while it is safe if all code is generated with current compilers, there is some very old code around that uses that slot for something else, and breaks if it is stored into. Adjust testcases looking for current behavior. I've verified that the stack frame size is right in all testcases, whether it changed or not. 7311323. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89811 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Enable debug info for ppc-darwin.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89803 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Use StringRef instead of std::string in DIEString.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89793 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Remove DebugLabelFolder pass. It is not used by dwarf writer anymore.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89790 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Swith to pubtypes section before emitting pub types.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89787 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Remove bogus error handling code.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89786 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Fix comments as pre-post review for rev.89765.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89770 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Provide Path::isSpecialFile interface for PR5568.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89765 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Fix for PR5373, Credit to Jakub Staszak.Edward O'Callaghan
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89758 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Enable predication of NEON instructions in Thumb2 mode.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89748 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
2009-11-24Delete some dead and non-obvious code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89729 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Emit pubtypes.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89725 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Make capitalization of names starting "is" more consistent.Dale Johannesen
No functional change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89724 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Data type suffix must come after predicate.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89723 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24<rdar://problem/6721894>. Allow multiple registers to be renamed together ↵David Goodwin
(super and sub) if necessary to break an anti-dependence. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89722 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-24Materialize global addresses via movt/movw pair, this is always betterAnton Korobeynikov
than doing the same via constpool: 1. Load from constpool costs 3 cycles on A9, movt/movw pair - just 2. 2. Load from constpool might stall up to 300 cycles due to cache miss. 3. Movt/movw does not use load/store unit. 4. Less constpool entries => better compiler performance. This is only enabled on ELF systems, since darwin does not have needed relocations (yet). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89720 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-2480 column violationsJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89718 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
2009-11-23enable iv-users simplification by defaultJim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89713 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23Remove ISD::DEBUG_LOC and ISD::DBG_LABEL, which are no longer used.Dan Gohman
Note that "hasDotLocAndDotFile"-style debug info was already broken; people wanting this functionality should implement it in the AsmPrinter/DwarfWriter code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89711 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23Allow more than one stub to be being generated at the same time.Jeffrey Yasskin
It's probably better in the long run to replace the indirect-GlobalVariable system. That'll be done after a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89708 91177308-0d34-0410-b5e6-96231b3b80d8
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