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2011-10-06Make Test More ThoroughDavid Greene
Check that all ADD patters are processed. Add a SUB test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141314 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Fix -asserts buildMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141313 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06PTX: Implement signed divisionJustin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141306 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Use StringSwitch.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141305 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Simplify code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141299 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Fix TypoDavid Greene
Compare the entire keyword string. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141295 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06s/tblgen/llvm-tblgen/g in a few missed places, including the testsPeter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141294 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Remove the Clang tblgen backends from LLVM.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141293 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Don't require C bindings opcode numbers to be kept in sync.Torok Edwin
They are not in sync now, for example Bitcast would show up as LLVMCall. So instead introduce 2 functions that map to and from the opcodes in the C bindings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141290 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Add uwtable, returnstwice and nonlazybind to the C bindings also.Torok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141289 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06ocaml/C bindings: type->isSized()Torok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141288 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06add binding to read icmp predicateTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141287 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06ocaml/C bindings: getmdstring, add num_op, get_op should work on metadata tooTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141286 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06C/OCaml API to retrieve struct name.Torok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141285 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06ocaml bindings: add llvm_ipo based on IPO.hTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141284 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06add more tests for the OCaml bindingsTorok Edwin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141283 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Fix assembling of xchg %eax, %eax to not use the NOP encoding of 0x90. This ↵Craig Topper
was done by creating a new register group that excludes AX registers. Fixes PR10345. Also added aliases for flipping the order of the operands of xchg <reg>, %eax. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141274 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Cosmetic change.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141269 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Build system infrastructure for multiple tblgens.Peter Collingbourne
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141266 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Add the MBBs before inserting the instructions. Doing it afterwards could leadBill Wendling
to an infinite loop because of the def-use chains. Also use a frame load instead of store for the LD instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141263 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Remove the TRI::getSubRegisterRegClass() hook.Jakob Stoklund Olesen
This restores my karma after I added TRI::getSubClassWithSubReg(). Register constraints are applied 'backwards'. Starting from the register class required by an instruction operand, the correct question is: 'How can I constrain the super-register register class so all its sub-registers satisfy the instruction constraint?' The getMatchingSuperRegClass() hook answers that. We never need to go 'forwards': Starting from a super-register register class, what register class are the sub-registers in? The getSubRegisterRegClass() hook did that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141258 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Always merge profitable shifts on A9, not just when they have a single use.Cameron Zwarich
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141248 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Remove a check from ARM shifted operand isel helper methods, which were blockingCameron Zwarich
merging an lsl #2 that has multiple uses on A9. This shift is free, so there is no problem merging it in multiple places. Other unprofitable shifts will not be merged. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141247 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Get the proper call site numbers for the landing pads. Also remove a magicBill Wendling
number (18) for the proper addressing mode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141245 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Add accessor method to check if the landing pad symbol has call site ↵Bill Wendling
information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141244 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Fix a typo.David Greene
Fix the argument passed in the multidef example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141243 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Prefix Template Arg Names with Multiclass NameDavid Greene
For consistency, prefix multiclass template arg names with the multiclass name followed by "::" to avoid name clashes among multiclass arguments and other entities in the multiclass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141239 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Vim Support for MultidefsDavid Greene
Add vim highlighting support for multidefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Emacs Support for MultidefsDavid Greene
Add Emacs font-lock keyword support for multidefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141237 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Document MultidefsDavid Greene
Provide documentation for multidefs, explaining in detail how they work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141236 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Update Test for MultidefsDavid Greene
Update the MultiPat.td test to create some defs via multidefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141235 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Add a Multidef TestDavid Greene
Add a simple test for multidefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141234 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Process MultidefsDavid Greene
Process each multidef declared in a multiclass. Iterate through the list and instantiate a def in the multiclass for each item, resolving the list item to the temporary iterator (possibly) used in the multidef ObjectBody. We then process each generated def in the normal way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141233 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Parser Multidef SupportDavid Greene
Add parser support to recognize multidefs. No processing on the multidef is done at this point. The grammar is: MultiDef = MULTIDEF ObjectName < Value, Declaration, Value > ObjectBody The first Value must be resolveable to a list and the second Value must be resolveable to an integer. The Declaration is a temporary value used as an iterator to refer to list items during processing. It may be passed into the ObjectBody where it will be substituted with the list value used to instantiate each def. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141232 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Lexer Support for MultidefsDavid Greene
Add keyword support for multidefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141231 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Add Multidef Data StructuresDavid Greene
Add a set of data structures and members analogous to those used for multiclass defs. These will represent a new kind of multiclass def: a multidef. The idea behind the multidef is to process a list of items and create a def record for each one inside the enclosing multiclass. This allows the user to dynamically create a set of defs based on the contents of a list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141230 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Refactor Multiclass Def ProcessingDavid Greene
Move the code to instantiate a multiclass def, bind its arguments and resolve its members into three helper functions. These will be reused to support a new kind of multiclass def: a multidef. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141229 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05PR11061: Make simplifylibcalls fold strcmp("", x) correctly.Eli Friedman
While I'm here, fix the related issue with strncmp, add some actual tests for strcmp and strncmp, and start using StringRef::compare for constant folding instead of using strcmp/strncmp so that the optimized IR isn't dependent on the host's implementation of strcmp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Modify the mapping from landing pad to call sites to accept more than one callBill Wendling
site. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Add an ivar that maps a landing pad's EH symbol to the call sites that may jumpBill Wendling
to the landing pad. This will be used by the back-end to generate the jump tables for dispatching the arriving longjmp in sjlj eh. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141224 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Small refactoring. Cache the FunctionInfo->MBB into a local variable.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141221 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Fix sub-register operand verification.Jakob Stoklund Olesen
PhysReg operands are not allowed to have sub-register indices at all. For virtual registers with sub-reg indices, check that all registers in the register class support the sub-reg index. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141220 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Fixes PR11070 - assert in SCEV getConstantEvolvingPHIOperands.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141219 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Fix comment to reflect the new EH stuff.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141218 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Remove unused DstSubIdx argument.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141214 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Re-commit 141203, but much more conservative.Jim Grosbach
Just pull the instruction name, but don't change the order of anything else. That keeps --debug happy and non-crashing, but doesn't change how the worklist gets built. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Revert 141203. InstCombine is looping on unit tests.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Simplify EXTRACT_SUBREG emission.Jakob Stoklund Olesen
EXTRACT_SUBREG is emitted as %dst = COPY %src:sub, so there is no need to constrain the %dst register class. RegisterCoalescer will apply the necessary constraints if it decides to eliminate the COPY. The %src register class does need to be constrained to something with the right sub-registers, though. This is currently done manually with COPY_TO_REGCLASS nodes. They can possibly be removed after this patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141207 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Override TRI::getSubClassWithSubReg for X86.Jakob Stoklund Olesen
There are fewer registers with sub_8bit sub-registers in 32-bit mode than in 64-bit mode. In 32-bit mode, sub_8bit behaves the same as sub_8bit_hi. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141206 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Check for the returns_twice attribute in callsFunctionThatReturnsTwice. ThisRafael Espindola
fixes PR11038, but there are still some cleanups to be done. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141204 91177308-0d34-0410-b5e6-96231b3b80d8
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