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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
2011-10-06Don'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
2011-10-06ocaml/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
2011-10-06Fix 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
2011-10-06Build 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
2011-10-05Always 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
2011-10-05Prefix 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
2011-10-05Process 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
2011-10-05Refactor 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
2011-10-05Update InstCombine worklist after instruction transform is complete.Jim Grosbach
When updating the worklist for InstCombine, the Add/AddUsersToWorklist functions may access the instruction(s) being added, for debug output for example. If the instructions aren't yet added to the basic block, this can result in a crash. Finish the instruction transformation before adjusting the worklist instead. rdar://10238555 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141203 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05PTX: Fixup a case where getRegClassFor() should be used instead of custom code.Justin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141199 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Simplify INSERT_SUBREG emission.Jakob Stoklund Olesen
The register class created by INSERT_SUBREG and SUBREG_TO_REG must be legal and support the SubIdx sub-registers. The new getSubClassWithSubReg() hook can compute that. This may create INSERT_SUBREG instructions defining a larger register class than the sub-register being inserted. That is OK, RegisterCoalescer will constrain the register class as needed when it eliminates the INSERT_SUBREG instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141198 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Fix assertion string.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Make sure candidate for delay slot filler is not a return instruction.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141196 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Add RA to the set of registers that are defined if instruction is a call.Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141194 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Support a valid, but not very useful, encoding of CPSIE where none of the ↵Owen Anderson
AIF bits are set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Typo. Thanks Bob.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141188 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Add a FIXME.Jakob Stoklund Olesen
TwoAddressInstructionPass should annotate instructions with <undef> flags when it lower REG_SEQUENCE instructions. LiveIntervals should not be in the business of modifying code (except for kill flags, perhaps). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141187 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Ensure OpCode is not used uninitialized.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141184 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Comment out a variable that is only used in commented out code.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141183 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Remove a bunch of unused variables in the PTX backend (warned about by gcc-4.6).Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141182 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Fix compilation when using gcc-4.6. Patch by wanders.Duncan Sands
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141178 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05GVN does simple propagation of conditions: when it sees a conditionalDuncan Sands
branch "br i1 %x, label %if_true, label %if_false" then it replaces "%x" with "true" in places only reachable via the %if_true arm, and with "false" in places only reachable via the %if_false arm. Except that actually it doesn't: if value numbering shows that %y is equal to %x then, yes, %y will be turned into true/false in this way, but any occurrences of %x itself are not transformed. Fix this. What's more, it's often the case that %x is an equality comparison such as "%x = icmp eq %A, 0", in which case every occurrence of %A that is only reachable via the %if_true arm can be replaced with 0. Implement this and a few other variations on this theme. This reduces the number of lines of LLVM IR in "GCC as one big file" by 0.2%. It has a bigger impact on Ada code, typically reducing the number of lines of bitcode by around 0.4% by removing repeated compiler generated checks. Passes the LLVM nightly testsuite and the Ada ACATS testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141177 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Generalize GVN's conditional propagation logic slightly:Duncan Sands
it's OK for the false/true destination to have multiple predecessors as long as the extra ones are dominated by the branch destination. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141176 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05MipsDelaySlotFiller.cpp: Appease msvc to specify llvm::next() explicitly.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141174 91177308-0d34-0410-b5e6-96231b3b80d8
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