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* Use sse_load_f32/64 for scalar FMA3 intrinsic patterns instead of 128-bit ↵Craig Topper2012-06-032-38/+32
| | | | | | loads to match instruction behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157895 91177308-0d34-0410-b5e6-96231b3b80d8
* Add neverHasSideEffects and mayLoad to FMA3 instructions.Craig Topper2012-06-031-0/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157894 91177308-0d34-0410-b5e6-96231b3b80d8
* Use access(2) instead of stat(2) to check if a file exists.Benjamin Kramer2012-06-021-2/+1
| | | | | | | | | | | Apart from being slightly cheaper, this fixes a real bug that hits 32 bit linux systems. When passing a file larger than 2G to be linked (which isn't that uncommon with large projects such as WebKit), clang's driver checks if the file exists but the file size doesn't fit in an off_t and stat(2) fails with EOVERFLOW. Clang then says that the file doesn't exist instead of passing it to the linker. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157891 91177308-0d34-0410-b5e6-96231b3b80d8
* Added unittests for IntegersSubset and IntegersSubsetMapping.Stepan Dyatkovskiy2012-06-023-20/+223
| | | | | | | | | | | | - Fixed IntegersSubsetGeneric copy/assignment behaviour. - Fixed IntegersSubsetGeneric::getSize/getSingleValue methods. - Fixed IntegersSubsetGeneric::verify method. Also IntegersSubset.h and IntegersSubsetMapping.h headers was fixed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157887 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typos found by http://github.com/lyda/misspell-checkBenjamin Kramer2012-06-0259-73/+73
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157885 91177308-0d34-0410-b5e6-96231b3b80d8
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-029-52/+57
| | | | | | | | IntRange converted from struct to class. So main change everywhere is replacement of ".Low/High" with ".getLow/getHigh()" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157884 91177308-0d34-0410-b5e6-96231b3b80d8
* Add move semantics to APInt.Benjamin Kramer2012-06-021-0/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157883 91177308-0d34-0410-b5e6-96231b3b80d8
* Additional change for 157881. Forget to fix another IntegerSubset constructor.Stepan Dyatkovskiy2012-06-021-3/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157882 91177308-0d34-0410-b5e6-96231b3b80d8
* Small fix due to buildbot failures on mingw32. Fixed call of parent ↵Stepan Dyatkovskiy2012-06-021-1/+4
| | | | | | constructor for case when parent is template. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157881 91177308-0d34-0410-b5e6-96231b3b80d8
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-023-38/+41
| | | | | | | | IntegersSubsetGeneric, IntegersSubsetMapping: added IntTy template parameter, that allows use either APInt or IntItem. This change allows to write unittest for these classes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157880 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: add testing case for struct byvalManman Ren2012-06-021-0/+32
| | | | | | | rdar://9877866 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157876 91177308-0d34-0410-b5e6-96231b3b80d8
* Add another test case which tests Mips' unaligned load/store instructions.Akira Hatanaka2012-06-021-0/+29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157874 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the code which custom-lowers truncating stores in LegalizeDAG.Akira Hatanaka2012-06-021-2/+3
| | | | | | | | | Check that the SDValue TargetLowering::LowerOperation returns is not null before replacing the original node with the returned node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157873 91177308-0d34-0410-b5e6-96231b3b80d8
* remove an unused variable.Chris Lattner2012-06-021-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157872 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix test cases in test/CodeGen/Mips.Akira Hatanaka2012-06-023-25/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157868 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove code which is no longer needed in MipsAsmPrinter and MipsMCInstLower.Akira Hatanaka2012-06-023-171/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157867 91177308-0d34-0410-b5e6-96231b3b80d8
* Set operation actions for load/store nodes in the Mips backend.Akira Hatanaka2012-06-021-0/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157866 91177308-0d34-0410-b5e6-96231b3b80d8
* Add definitions of 32/64-bit unaligned load/store instructions for Mips.Akira Hatanaka2012-06-022-27/+70
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157865 91177308-0d34-0410-b5e6-96231b3b80d8
* Define functions MipsTargetLowering::LowerLOAD and LowerSTORE whichAkira Hatanaka2012-06-022-0/+140
| | | | | | | custom-lower unaligned load and store nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157864 91177308-0d34-0410-b5e6-96231b3b80d8
* Define Mips specific unaligned load/store nodes.Akira Hatanaka2012-06-023-1/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157863 91177308-0d34-0410-b5e6-96231b3b80d8
* Expand unaligned i16 loads/stores for the Mips backend.Akira Hatanaka2012-06-021-1/+0
| | | | | | | | | This is the first of a series of patches which make changes to the backend to emit unaligned load/store instructions (lwl,lwr,swl,swr) during instruction selection. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157862 91177308-0d34-0410-b5e6-96231b3b80d8
* In MipsMCInstLower::LowerSymbolOperand, get offset from symbol ifAkira Hatanaka2012-06-021-2/+4
| | | | | | | the MachineOperand type has a valid offset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157861 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the old register list functions from MCRegisterInfo.Jakob Stoklund Olesen2012-06-012-39/+3
| | | | | | | | | | These functions exposed the layout of the underlying data tables as null-terminated uint16_t arrays. Use the new MCSubRegIterator, MCSuperRegIterator, and MCRegAliasIterator classes instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157855 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch all register list clients to the new MC*Iterator interface.Jakob Stoklund Olesen2012-06-0135-221/+199
| | | | | | | | | | | | | No functional change intended. Sorry for the churn. The iterator classes are supposed to help avoid giant commits like this one in the future. The TableGen-produced register lists are getting quite large, and it may be necessary to change the table representation. This makes it possible to do so without changing all clients (again). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157854 91177308-0d34-0410-b5e6-96231b3b80d8
* Register the gcov "writeout" at init time. Don't list this as a d'tor. Instead,Bill Wendling2012-06-011-2/+22
| | | | | | | | | | | | | inject some code in that will run via the "__mod_init_func" method that registers the gcov "writeout" function to execute at exit time. The problem is that the "__mod_term_func" method of specifying d'tors is deprecated on Darwin. And it can lead to some ambiguities when dealing with multiple libraries. <rdar://problem/11110106> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157852 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove physreg support from adjustCopiesBackFrom and removeCopyByCommutingDef.Jakob Stoklund Olesen2012-06-011-29/+3
| | | | | | | After physreg coalescing was disabled, these functions can't do anything useful with physregs anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157849 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify some more getAliasSet callers.Jakob Stoklund Olesen2012-06-013-27/+15
| | | | | | MCRegAliasIterator can include Reg itself in the list. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157848 91177308-0d34-0410-b5e6-96231b3b80d8
* Use dominates(Instruction, Use) in the verifier.Rafael Espindola2012-06-012-48/+4
| | | | | | | This removes a bit of context from the verifier erros, but reduces code duplication in a fairly critical part of LLVM and makes dominates easier to test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157845 91177308-0d34-0410-b5e6-96231b3b80d8
* [arm-fast-isel] Fix handling of the frameaddress intrinsic. If depth is 0Chad Rosier2012-06-011-1/+1
| | | | | | | then DestReg is undefined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157840 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch some getAliasSet clients to MCRegAliasIterator.Jakob Stoklund Olesen2012-06-018-99/+46
| | | | | | | MCRegAliasIterator can optionally visit the register itself, allowing for simpler code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157837 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: peephole optimization to remove cmp instructionManman Ren2012-06-014-0/+350
| | | | | | | | | | | | | | | | This patch will optimize the following: sub r1, r3 cmp r3, r1 or cmp r1, r3 bge L1 TO sub r1, r3 bge L1 or ble L1 If the branch instruction can use flag from "sub", then we can eliminate the "cmp" instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157831 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: properly handle alignment for struct byval.Manman Ren2012-06-015-250/+308
| | | | | | | | | | Factor out the expansion code into a function. This change is to be enabled in clang. rdar://9877866 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157830 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some tests checking that the verifier rejects cases where a definitionRafael Espindola2012-06-011-0/+57
| | | | | | doesn't dominate a use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157829 91177308-0d34-0410-b5e6-96231b3b80d8
* Provide move semantics for (Small)BitVector.Benjamin Kramer2012-06-012-0/+40
| | | | | | CodeGen makes a lot of BitVector copies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157826 91177308-0d34-0410-b5e6-96231b3b80d8
* testcase for PR13006, thanks to Duncan for filing it.Chris Lattner2012-06-011-0/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157824 91177308-0d34-0410-b5e6-96231b3b80d8
* BoundsChecking: fix a bug when the handling of recursive PHIs failed and ↵Nuno Lopes2012-06-013-23/+88
| | | | | | | | | | could leave dangling references in the cache add regression tests for this problem. Can already compile & run: PHP, PCRE, and ICU (i.e., all the software I tried) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157822 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement the local-dynamic TLS model for x86 (PR3985)Hans Wennborg2012-06-0113-17/+353
| | | | | | | | | This implements codegen support for accesses to thread-local variables using the local-dynamic model, and adds a clean-up pass so that the base address for the TLS block can be re-used between local-dynamic access on an execution path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157818 91177308-0d34-0410-b5e6-96231b3b80d8
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-013-117/+141
| | | | | | | | | IntegersSubset devided into IntegersSubsetGeneric and into IntegersSubset itself. The first has no references to ConstantInt and works with IntItem only. IntegersSubsetMapping also made generic. Here added second template parameter "IntegersSubsetTy" that allows to use on of two IntegersSubset types described below. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157815 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove noisy semicolons.Benjamin Kramer2012-06-011-26/+26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157814 91177308-0d34-0410-b5e6-96231b3b80d8
* quick fix for PR13006, will check in testcase later.Chris Lattner2012-06-011-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157813 91177308-0d34-0410-b5e6-96231b3b80d8
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-015-98/+142
| | | | | | | | | | | | IntItem cleanup. IntItemBase, IntItemConstantIntImp and IntItem merged into IntItem. All arithmetic operators was propogated from APInt. Also added comparison operators <,>,<=,>=. Currently you will find set of macros that propogates operators from APInt to IntItem in the beginning of IntegerSubset. Note that THESE MACROS WILL REMOVED after all passes will case-ranges compatible. Also note that these macros much smaller pain that something like this: if (V->getValue().ugt(AnotherV->getValue()) { ... } These changes made IntItem full featured integer object. It allows to make IntegerSubset class generic (move out all ConstantInt references inside and add unit-tests) in next commits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157810 91177308-0d34-0410-b5e6-96231b3b80d8
* Enable automatic detection of FMA3 support to allow intrinsics to be used.Craig Topper2012-06-011-6/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157805 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove fadd(fmul) patterns for FMA3. This needs to be implemented by paying ↵Craig Topper2012-06-012-278/+0
| | | | | | attention to FP_CONTRACT and matching @llvm.fma which is not available yet. This will allow us to enablle intrinsic use at least though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157804 91177308-0d34-0410-b5e6-96231b3b80d8
* Add VFNSUB* instructions to folding table.Craig Topper2012-06-011-0/+17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157802 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove a trailing space and fix a comment.Craig Topper2012-06-011-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157801 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance the logic for looking through tailcalls to look through transparent ↵Chris Lattner2012-06-012-1/+67
| | | | | | | | | | casts in multiple-return value scenarios, like what happens on X86-64 when returning small structs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157800 91177308-0d34-0410-b5e6-96231b3b80d8
* Tidy up. Remove trailing spaces and fix the worst of the 80 column violations.Craig Topper2012-06-011-74/+90
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157799 91177308-0d34-0410-b5e6-96231b3b80d8
* enhance getNoopInput to know about vector<->vector bitcasts of legalChris Lattner2012-06-012-10/+60
| | | | | | | | | types, as well as int<->ptr casts. This allows us to tailcall functions with some trivial casts between the call and return (i.e. because the return types disagree). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157798 91177308-0d34-0410-b5e6-96231b3b80d8
* add some simple 64-bit tail call tests.Chris Lattner2012-06-011-0/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157797 91177308-0d34-0410-b5e6-96231b3b80d8
* rearrange some logic, no functionality change.Chris Lattner2012-06-011-24/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157796 91177308-0d34-0410-b5e6-96231b3b80d8
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