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* Still more library dependency updates. This reflects the ever decreasingChandler Carruth2011-07-261-3/+3
| | | | | | dependence on CodeGen layers and backends from the MC layers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136024 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up a pile of hacks in our CMake build relating to TableGen.Chandler Carruth2011-07-2641-33/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The first problem to fix is to stop creating synthetic *Table_gen targets next to all of the LLVM libraries. These had no real effect as CMake specifies that add_custom_command(OUTPUT ...) directives (what the 'tablegen(...)' stuff expands to) are implicitly added as dependencies to all the rules in that CMakeLists.txt. These synthetic rules started to cause problems as we started more and more heavily using tablegen files from *subdirectories* of the one where they were generated. Within those directories, the set of tablegen outputs was still available and so these synthetic rules added them as dependencies of those subdirectories. However, they were no longer properly associated with the custom command to generate them. Most of the time this "just worked" because something would get to the parent directory first, and run tablegen there. Once run, the files existed and the build proceeded happily. However, as more and more subdirectories have started using this, the probability of this failing to happen has increased. Recently with the MC refactorings, it became quite common for me when touching a large enough number of targets. To add insult to injury, several of the backends *tried* to fix this by adding explicit dependencies back to the parent directory's tablegen rules, but those dependencies didn't work as expected -- they weren't forming a linear chain, they were adding another thread in the race. This patch removes these synthetic rules completely, and adds a much simpler function to declare explicitly that a collection of tablegen'ed files are referenced by other libraries. From that, we can add explicit dependencies from the smaller libraries (such as every architectures Desc library) on this and correctly form a linear sequence. All of the backends are updated to use it, sometimes replacing the existing attempt at adding a dependency, sometimes adding a previously missing dependency edge. Please let me know if this causes any problems, but it fixes a rather persistent and problematic source of build flakiness on our end. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136023 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding for SSAX, SSUB16 and SSUB8.Jim Grosbach2011-07-251-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136013 91177308-0d34-0410-b5e6-96231b3b80d8
* TargetAsmBackend has been renamed to MCAsmBackend.Evan Cheng2011-07-251-1/+1
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* Rename TargetAsmBackend to MCAsmBackend; rename createAsmBackend to ↵Evan Cheng2011-07-2535-170/+156
| | | | | | createMCAsmBackend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136010 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial implementation of 'fence' instruction, the new C++0x-style ↵Eli Friedman2011-07-2518-33/+393
| | | | | | | | | | 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 Lewycky2011-07-252-1/+249
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136008 91177308-0d34-0410-b5e6-96231b3b80d8
* I will save before I commit.Benjamin Kramer2011-07-252-1/+3
| | | | | | | | I will save before I commit. I will save before I commit. I will save before I commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136007 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM assembly parsing and encoding for SSAT16 instruction.Jim Grosbach2011-07-258-6/+55
| | | | 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 Lopes2011-07-255-13/+70
| | | | | | 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 Lopes2011-07-256-5/+88
| | | | | | | | | | 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
* llvm-objdump: Ignore unreachable blocks when printing the CFG.Benjamin Kramer2011-07-252-2/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136000 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix include guards.Evan Cheng2011-07-253-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135998 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a note about efficient codegen for binary log.Benjamin Kramer2011-07-251-0/+48
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* Attempt to fix test failure reported on llvm-commits.Eli Friedman2011-07-251-1/+1
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* BranchProbability::print returns void now.Jakub Staszak2011-07-252-3/+2
| | | | 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 Friedman2011-07-252-3/+19
| | | | | | PR10476. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135993 91177308-0d34-0410-b5e6-96231b3b80d8
* Add BlockFrequency class.Jakub Staszak2011-07-253-0/+185
| | | | 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 Grosbach2011-07-258-63/+179
| | | | | | | | | | | | | 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135988 91177308-0d34-0410-b5e6-96231b3b80d8
* 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 Friedman2011-07-252-22/+27
| | | | | | | | | | 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135979 91177308-0d34-0410-b5e6-96231b3b80d8
* More MC layering violations.Evan Cheng2011-07-254-62/+59
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135978 91177308-0d34-0410-b5e6-96231b3b80d8
* Check in updated CMake dependencies after Evan's latest round ofChandler Carruth2011-07-251-10/+10
| | | | | | | | | refactorings. Several places that shouldn't have dependend on Target no longer do. Also almost all of the CodeGen dependencies have gone away for the MCDisassembler. Others add reasonable dependencies within the target-specific layers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135977 91177308-0d34-0410-b5e6-96231b3b80d8
* 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 Espindola2011-07-252-0/+22
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135975 91177308-0d34-0410-b5e6-96231b3b80d8
* Separate MCInstPrinter registration from AsmPrinter registration.Evan Cheng2011-07-2516-77/+81
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135974 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing space (this line is no longer pushing the 80-column limit).Nick Lewycky2011-07-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135973 91177308-0d34-0410-b5e6-96231b3b80d8
* 80 columns.Nick Lewycky2011-07-251-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135972 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Nick Lewycky2011-07-251-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135971 91177308-0d34-0410-b5e6-96231b3b80d8
* 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 Espindola2011-07-252-0/+7
| | | | 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 Cheng2011-07-258-63/+27
| | | | | | 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
* Fix some typos.Bill Wendling2011-07-251-4/+6
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* An initial description of the compact unwind encoding.Bill Wendling2011-07-251-1/+109
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* 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
* While building a LLVM target, put the current source directory on theOscar Fuentes2011-07-251-1/+3
| | | | | | header search path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135952 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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* Fix class description.Jakub Staszak2011-07-251-2/+2
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* Fix #include guard directive.Jakub Staszak2011-07-251-2/+2
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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
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