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* MemoryBuffer now return an error_code and returns a OwningPtr<MemoryBuffer> ↵Michael J. Spencer2010-12-16
| | | | | | via an out parm. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121958 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach the Neon intrinsic generator to widen half-precision float types.Bob Wilson2010-12-15
| | | | | | | This isn't currently used for anything but I ran into it when experimenting with some changes, and it might be useful in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121911 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a Neon intrinsic test generator.Bob Wilson2010-12-15
| | | | | | This is still a WIP. It's already good enough to expose a few bugs, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121868 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Neon intrinsic immediate range checking for some double-register operands.Bob Wilson2010-12-15
| | | | | | | | | | | Some quad-register intrinsics with lane operands only take a double-register operand for the vector containing the lane. The valid range of lane numbers is then half as big as you would expect from the quad-register type. Note: This currently has no effect because those intrinsics are now handled entirely in the header file using __builtin_shufflevector, which does its own range checking, but I want to use this for generating tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121867 91177308-0d34-0410-b5e6-96231b3b80d8
* various cleanups to tblgen, patch by Garrison Venn!Chris Lattner2010-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121837 91177308-0d34-0410-b5e6-96231b3b80d8
* llvmc: make switch options ZeroOrMore by default.Mikhail Glushenkov2010-12-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121822 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce TargetRegisterInfo::getOverlaps(Reg), returning a list of allJakob Stoklund Olesen2010-12-14
| | | | | | | | | | | | | | | | | | | | | | | | | | registers that alias Reg, including itself. This is almost the same as the existing getAliasSet() method, except for the inclusion of Reg. The name matches the reflexive TRI::regsOverlap(x, y) relation. It is very common to do stuff to a register and all its aliases: stuff(Reg) for (const unsigned *Alias = TRI->getAliasSet(Reg); *Alias; ++Alias) stuff(*Alias); That can now be written as the simpler: for (const unsigned *Alias = TRI->getOverlaps(Reg); *Alias; ++Alias) stuff(*Alias); This change requires a bit more constant space for the alias lists because Reg is included and because the empty alias list cannot be shared any longer. If the getAliasSet method is eventually removed, this space can be reclaimed by sharing overlap lists. For instance, %rax and %eax have identical overlap sets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121800 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for MC-ized encoding of tLEApcrel and tLEApcrelJT. rdar://8755755Jim Grosbach2010-12-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121798 91177308-0d34-0410-b5e6-96231b3b80d8
* The tLDR et al instructions were emitting either a reg/reg or reg/immBill Wendling2010-12-14
| | | | | | | | | | | | | | | | | instruction based on the t_addrmode_s# mode and what it returned. There is some obvious badness to this. In particular, it's hard to do MC-encoding when the instruction may change out from underneath you after the t_addrmode_s# variable is finally resolved. The solution is to revert a long-ago change that merged the reg/reg and reg/imm versions. There is the addition of several new addressing modes. They no longer have extraneous operands associated with them. I.e., if it's reg/reg we don't have to have a dummy zero immediate tacked on to the SDNode. There are some obvious cleanups here, which will happen shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121747 91177308-0d34-0410-b5e6-96231b3b80d8
* Second attempt at make Thumb2 LEAs pseudos. This time, perform the lowering ↵Owen Anderson2010-12-14
| | | | | | | | | much later, which makes the entire process cleaner. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121735 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the rest of the *_sfp Neon instruction patterns.Bob Wilson2010-12-13
| | | | | | | | | | | | | Use the same COPY_TO_REGCLASS approach as for the 2-register *_sfp instructions. This change made a big difference in the code generated for the CodeGen/Thumb2/cross-rc-coalescing-2.ll test: The coalescer is still doing a fine job, but some instructions that were previously moved outside the loop are not moved now. It's using fewer VFP registers now, which is generally a good thing, so I think the estimates for register pressure changed and that affected the LICM behavior. Since that isn't obviously wrong, I've just changed the test file. This completes the work for Radar 8711675. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121730 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r121721, which broke buildbots.Owen Anderson2010-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121726 91177308-0d34-0410-b5e6-96231b3b80d8
* Make Thumb2 LEA-like instruction into pseudos, which map down to ADR. ↵Owen Anderson2010-12-13
| | | | | | | | | Provide correct fixups for Thumb2 ADR, which is _of course_ different from ARM ADR fixups, or any other Thumb2 fixup. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121721 91177308-0d34-0410-b5e6-96231b3b80d8
* In Thumb2, direct branches can be encoded as either a "short" conditional ↵Owen Anderson2010-12-13
| | | | | | | | | | | branch with a null predicate, or as a "long" direct branch. While the mnemonics are the same, they encode the branch offset differently, and the Darwin assembler appears to prefer the "long" form for direct branches. Thus, in the name of bitwise equivalence, provide encoding and fixup support for it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121710 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for using the `!if' operator when initializing variables:Bill Wendling2010-12-13
| | | | | | | | | | | | class A<bit a, bits<3> x, bits<3> y> { bits<3> z; let z = !if(a, x, y); } The variable z will get the value of x when 'a' is 1 and 'y' when a is '0'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121666 91177308-0d34-0410-b5e6-96231b3b80d8
* Move <map> include out of .h and into .cpp.Bill Wendling2010-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121661 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge DEBUG statements.Bill Wendling2010-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121660 91177308-0d34-0410-b5e6-96231b3b80d8
* eliminate the Records global variable, patch by Garrison Venn!Chris Lattner2010-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121659 91177308-0d34-0410-b5e6-96231b3b80d8
* clean up RecordKeeper::getAllDerivedDefinitions, patch by Garrison Venn!Chris Lattner2010-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121658 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of ellipses.Bill Wendling2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121589 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb unconditional branch binary encoding. rdar://8754994Jim Grosbach2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121496 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb conditional branch binary encodings. rdar://8745367Jim Grosbach2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121493 91177308-0d34-0410-b5e6-96231b3b80d8
* The Neon vqdmlsl_lane and vqdmlal_lane intrinsics have 4 arguments, not 3.Bob Wilson2010-12-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121469 91177308-0d34-0410-b5e6-96231b3b80d8
* Add initial support to measure local variables.Devang Patel2010-12-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121428 91177308-0d34-0410-b5e6-96231b3b80d8
* Thumb needs a few different encoding schemes for branch targets. RenameJim Grosbach2010-12-09
| | | | | | t_brtarget to be more specific. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121398 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-column fixes.Bob Wilson2010-12-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121395 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a license comment to the generated arm_neon.h header.Bob Wilson2010-12-09
| | | | | | | | | Remove the previous header. I don't think we need to expose to end users that we use TableGen to produce our version of arm_neon.h, and that header was also using doubleslash comments which could be a problem when using it in strict C89 compilations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121390 91177308-0d34-0410-b5e6-96231b3b80d8
* Missed FileUpdate because CMake doesn't build it yet :(.Michael J. Spencer2010-12-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121385 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/MemoryBuffer: Replace all uses of std::string *ErrMsg with ↵Michael J. Spencer2010-12-09
| | | | | | error_code &ec. And fix clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121379 91177308-0d34-0410-b5e6-96231b3b80d8
* The BLX instruction is encoded differently than the BL, because why not? InBill Wendling2010-12-09
| | | | | | | | | | | particular, the immediate has 20-bits of value instead of 21. And bit 0 is '0' always. Going through the BL fixup encoding was trashing the "bit 0 is '0'" invariant. Attempt to get the encoding at slightly more correct with this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121336 91177308-0d34-0410-b5e6-96231b3b80d8
* Support the "target" encodings for the CB[N]Z instructions.Bill Wendling2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121308 91177308-0d34-0410-b5e6-96231b3b80d8
* Add operators for "_lane" variants of some saturating Neon multiply intrinsicsBob Wilson2010-12-08
| | | | | | so they can be implemented without separate clang builtins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121299 91177308-0d34-0410-b5e6-96231b3b80d8
* Add operators for vabdl and vabal so they can be implemented without builtins.Bob Wilson2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121287 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused function parameter.Bob Wilson2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121286 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an operator for vaba so it can be implemented using vabd.Bob Wilson2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121276 91177308-0d34-0410-b5e6-96231b3b80d8
* Use this new fangled StringSwitch technology.Bill Wendling2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121273 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup table a bit.Bill Wendling2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121250 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for loading from a constant pool.Bill Wendling2010-12-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121226 91177308-0d34-0410-b5e6-96231b3b80d8
* Add operators for vadd[lw] and vsub[lw]Bob Wilson2010-12-08
| | | | | | so they can be implemented without clang builtins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121213 91177308-0d34-0410-b5e6-96231b3b80d8
* Add operators for vmlal{_n,_lane} and vmlsl{_n,_lane}Bob Wilson2010-12-07
| | | | | | so they can be implemented without clang builtins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121209 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit vmovl intrinsics first in the arm_neon.h headerBob Wilson2010-12-07
| | | | | | so they can be used in the implementations of other intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121208 91177308-0d34-0410-b5e6-96231b3b80d8
* Add source Record* reference to PatternToMatch. Allows better diagnostics.Jim Grosbach2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121196 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an operator for vdup_lane so it can be implemented without a clang builtin.Bob Wilson2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121190 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an operator for vmull_lane so it can be implemented without a clang builtin.Bob Wilson2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121187 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle recursive values. Add comments.Devang Patel2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121184 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove reference to the CMPz instruction patterns for ARM.Jim Grosbach2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121180 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new built-in operations for vmull and vmull_nBob Wilson2010-12-07
| | | | | | | so they can be implemented without requiring clang builtins. Radar 8446238. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121173 91177308-0d34-0410-b5e6-96231b3b80d8
* Trailing whitespace.Jim Grosbach2010-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121167 91177308-0d34-0410-b5e6-96231b3b80d8
* Change assert to diagnostic. Message still needs work, but it's better thanJim Grosbach2010-12-07
| | | | | | an assert, at least. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121166 91177308-0d34-0410-b5e6-96231b3b80d8
* utils/lit/lit/TestFormats.py: [PR8438] unittests: Seek *Tests (not ↵NAKAMURA Takumi2010-12-07
| | | | | | BUILD_MODE/*Tests) under whole unittests/ if BUILD_MODE == '.' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121118 91177308-0d34-0410-b5e6-96231b3b80d8
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