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* Initial implementation of 'fence' instruction, the new C++0x-style ↵Eli Friedman2011-07-2512-1/+186
| | | | | | | | | | replacement for llvm.memory.barrier. This is just a LangRef entry and reading/writing/memory representation; optimizer+codegen support coming soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136009 91177308-0d34-0410-b5e6-96231b3b80d8
* Finish adding support for lifetime intrinsics to SROA. Fixes PR10121!Nick Lewycky2011-07-251-1/+110
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136008 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding for SSAT16 instruction.Jim Grosbach2011-07-255-6/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136006 91177308-0d34-0410-b5e6-96231b3b80d8
* Codegen allonesvector better while using AVX: vpcmpeqd + vinsertf128Bruno Cardoso Lopes2011-07-254-13/+58
| | | | | | This also fixes PR10452 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136004 91177308-0d34-0410-b5e6-96231b3b80d8
* Add remaining 256-bit vector bitcasts. This also fixes PR10451Bruno Cardoso Lopes2011-07-251-4/+18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136003 91177308-0d34-0410-b5e6-96231b3b80d8
* - Handle special scalar_to_vector case: splats. Using a native 128-bitBruno Cardoso Lopes2011-07-254-1/+65
| | | | | | | | | | shuffle before inserting on a 256-bit vector. - Add AVX versions of movd/movq instructions - Introduce a few COPY patterns to match insert_subvector instructions. This turns a trivial insert_subvector instruction into a register copy, coalescing the xmm into a ymm and avoid emiting on more instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136002 91177308-0d34-0410-b5e6-96231b3b80d8
* Reintroduce r135730, this is indeed the right approach, there is noBruno Cardoso Lopes2011-07-251-0/+18
| | | | | | native 256-bit vector instruction to do scalar_to_vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136001 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a note about efficient codegen for binary log.Benjamin Kramer2011-07-251-0/+48
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* BranchProbability::print returns void now.Jakub Staszak2011-07-251-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135994 91177308-0d34-0410-b5e6-96231b3b80d8
* Make sure this DAGCombine actually returns an UNDEF of the correct type; ↵Eli Friedman2011-07-251-1/+1
| | | | | | PR10476. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135993 91177308-0d34-0410-b5e6-96231b3b80d8
* Add BlockFrequency class.Jakub Staszak2011-07-252-0/+121
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135992 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding for SSAT instruction.Jim Grosbach2011-07-256-63/+122
| | | | | | | | | | | | | Fix the Rn register encoding for both SSAT and USAT. Update the parsing of the shift operand to correctly handle the allowed shift types and immediate ranges and issue meaningful diagnostics when an illegal value or shift type is specified. Add aliases to parse an ommitted shift operand (default value of 'lsl #0'). Add tests for diagnostics and proper encoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135990 91177308-0d34-0410-b5e6-96231b3b80d8
* Add clarifying comments for the new arguments to UnrollLoop.Andrew Trick2011-07-251-0/+12
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* Refactoring fail.Evan Cheng2011-07-255-49/+47
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135986 91177308-0d34-0410-b5e6-96231b3b80d8
* Move CBackend and CppBackend MC initialization to TargetInfo.Evan Cheng2011-07-254-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135982 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of an incorrect optimization for shuffles with PALIGNR and simplify ↵Eli Friedman2011-07-251-15/+5
| | | | | | | | | | isPALIGNRMask. Addresses PR10466, although the crash from that PR only triggers in cases where DAGCombine misses optimizing a shuffle. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135980 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix more MC layering violations.Evan Cheng2011-07-251-2/+9
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* More MC layering violations.Evan Cheng2011-07-254-62/+59
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* Add a missing enumerator to this switch. Currently its in theChandler Carruth2011-07-251-0/+1
| | | | | | | | | | | | | | assert-path code, as previously we would have fallen off the end of the function, but please review and let me know if this should go somewhere else. This fixes a Clang warning: lib/MC/MCMachOStreamer.cpp:201:11: error: enumeration value 'MCSA_IndirectSymbol' not handled in switch [-Werror,-Wswitch-enum] switch (Attribute) { ^ 1 error generated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135976 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVMAddTargetLibraryInfo to the C API.Rafael Espindola2011-07-251-0/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135975 91177308-0d34-0410-b5e6-96231b3b80d8
* Separate MCInstPrinter registration from AsmPrinter registration.Evan Cheng2011-07-2514-67/+81
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* Add missing space (this line is no longer pushing the 80-column limit).Nick Lewycky2011-07-251-1/+1
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* Simply ARM so_reg MIOperandInfo definitions.Jim Grosbach2011-07-251-4/+4
| | | | | | | | | The shift immediate encoding, printing, etc. is handled directly by the enclosing operand definition, so it should be a vanilla immediate, not a nested complex operand (shift_imm). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135968 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVMAddLowerExpectIntrinsicPass to the C API.Rafael Espindola2011-07-251-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135966 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix last bits of MC layer issues. llvm-mc doesn't need to initialize ↵Evan Cheng2011-07-255-54/+20
| | | | | | TargetMachine's anymore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135963 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM asm operand renaming. Make things a bit more explicit.Jim Grosbach2011-07-252-32/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135959 91177308-0d34-0410-b5e6-96231b3b80d8
* More simple cleanup of ARM asm operand definitions.Jim Grosbach2011-07-252-28/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135958 91177308-0d34-0410-b5e6-96231b3b80d8
* Code clean up.Evan Cheng2011-07-255-23/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135954 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor MBlaze target to separate MC routines from Target routines.Evan Cheng2011-07-2515-190/+216
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135953 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the comment. This feature is available only on Darwin at the moment. ↵Bill Wendling2011-07-251-1/+2
| | | | | | Though it's not Darwin-specific. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135951 91177308-0d34-0410-b5e6-96231b3b80d8
* Make assembly parser method names more consistent.Jim Grosbach2011-07-253-28/+28
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* Unbreak the build.Oscar Fuentes2011-07-251-0/+1
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* Tidy up formatting.Jim Grosbach2011-07-251-50/+18
| | | | | | | | | Remove some inititalizers that are the same as the default, move defs next to their (singular) uses and generally simplify some formatting of asm operand definitions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135946 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up a bit.Jim Grosbach2011-07-251-8/+2
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* Missed a file.Evan Cheng2011-07-251-0/+70
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* Refactor PPC target to separate MC routines from Target routines.Evan Cheng2011-07-2514-97/+57
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135942 91177308-0d34-0410-b5e6-96231b3b80d8
* More refactoring.Evan Cheng2011-07-259-53/+53
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135939 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename BlockFrequency to BlockFrequencyInfo and MachineBlockFrequency toJakub Staszak2011-07-256-25/+26
| | | | | | | MachineBlockFrequencyInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135937 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor X86 target to separate MC code from Target code.Evan Cheng2011-07-2512-555/+589
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* Changed disabled code into a flag.Bill Wendling2011-07-251-1/+7
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* Remove dead variable.Bill Wendling2011-07-251-1/+0
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* After we've modified the prolog to save volatile registers, generate the compactBill Wendling2011-07-252-5/+250
| | | | | | | | | | | | unwind encoding for that function. This simply crawls through the prolog looking for machine instrs marked as "frame setup". It can calculate from these what the compact unwind should look like. This is currently disabled because of needed linker support. But initial tests look good. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135922 91177308-0d34-0410-b5e6-96231b3b80d8
* Move some ELF directives into ELF asm parser.Jim Grosbach2011-07-254-12/+78
| | | | | | | | | | | | | | | The .local, .hidden, .internal, and .protected are not legal for all supported file formats (in particular, they're invalid for MachO). Move the parsing for them into the ELF assembly parser since that's the format they're for. Similarly, .weak is used by COFF and ELF, but not MachO, so move the parsing to the COFF and ELF asm parsers. Previously, using any of these directives on Darwin would result in an assertion failure in the parser; now we get a diagnostic as we should. rdar://9827089 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135921 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. 80 columns.Jim Grosbach2011-07-251-5/+10
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* Add an RS_Split2 stage used for loop prevention.Jakob Stoklund Olesen2011-07-251-15/+24
| | | | | | | | | | | | | | | | This mechanism already exists, but the RS_Split2 stage makes it clearer. When live range splitting creates ranges that may not be making progress, they are marked RS_Split2 instead of RS_New. These ranges may be split again, but only in a way that can be proven to make progress. For local ranges, that means they must be split into ranges used by strictly fewer instructions. For global ranges, region splitting is bypassed and the RS_Split2 ranges go straight to per-block splitting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135912 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename live range stages to better reflect how they are used.Jakob Stoklund Olesen2011-07-251-32/+40
| | | | | | | | | | | | The stage is used to control where a live range is going, not where it is coming from. Live ranges created by splitting will usually be marked RS_New, but some are marked RS_Spill to avoid wasting time trying to split them again. The old RS_Global and RS_Local stages are merged - they are really the same thing for local and global live ranges. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135911 91177308-0d34-0410-b5e6-96231b3b80d8
* Shorten some expressions by using ArrayRef::slice().Frits van Bommel2011-07-252-4/+2
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* Use ArrayRef in the (protected) constructors of ConstantArray, ↵Jay Foad2011-07-251-27/+12
| | | | | | ConstantStruct and ConstantVector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135905 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert GetElementPtrInst to use ArrayRef.Jay Foad2011-07-2520-145/+63
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* switch Triple to take twines instead of stringrefs.Chris Lattner2011-07-241-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135889 91177308-0d34-0410-b5e6-96231b3b80d8
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