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* Add neverHasSideEffects and mayLoad to FMA3 instructions.Craig Topper2012-06-031-0/+5
| | | | llvm-svn: 157894
* 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. llvm-svn: 157891
* Fix typos found by http://github.com/lyda/misspell-checkBenjamin Kramer2012-06-0237-49/+49
| | | | llvm-svn: 157885
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-026-17/+16
| | | | | | IntRange converted from struct to class. So main change everywhere is replacement of ".Low/High" with ".getLow/getHigh()" llvm-svn: 157884
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-021-1/+1
| | | | | | IntegersSubsetGeneric, IntegersSubsetMapping: added IntTy template parameter, that allows use either APInt or IntItem. This change allows to write unittest for these classes. llvm-svn: 157880
* 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. llvm-svn: 157873
* remove an unused variable.Chris Lattner2012-06-021-1/+1
| | | | llvm-svn: 157872
* Remove code which is no longer needed in MipsAsmPrinter and MipsMCInstLower.Akira Hatanaka2012-06-023-171/+0
| | | | llvm-svn: 157867
* Set operation actions for load/store nodes in the Mips backend.Akira Hatanaka2012-06-021-0/+11
| | | | llvm-svn: 157866
* Add definitions of 32/64-bit unaligned load/store instructions for Mips.Akira Hatanaka2012-06-022-27/+70
| | | | llvm-svn: 157865
* Define functions MipsTargetLowering::LowerLOAD and LowerSTORE whichAkira Hatanaka2012-06-022-0/+140
| | | | | | custom-lower unaligned load and store nodes. llvm-svn: 157864
* Define Mips specific unaligned load/store nodes.Akira Hatanaka2012-06-023-1/+40
| | | | llvm-svn: 157863
* 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. llvm-svn: 157862
* In MipsMCInstLower::LowerSymbolOperand, get offset from symbol ifAkira Hatanaka2012-06-021-2/+4
| | | | | | the MachineOperand type has a valid offset. llvm-svn: 157861
* Switch all register list clients to the new MC*Iterator interface.Jakob Stoklund Olesen2012-06-0133-214/+188
| | | | | | | | | | | | | 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). llvm-svn: 157854
* 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> llvm-svn: 157852
* 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. llvm-svn: 157849
* Simplify some more getAliasSet callers.Jakob Stoklund Olesen2012-06-013-27/+15
| | | | | | MCRegAliasIterator can include Reg itself in the list. llvm-svn: 157848
* Use dominates(Instruction, Use) in the verifier.Rafael Espindola2012-06-011-46/+2
| | | | | | | 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. llvm-svn: 157845
* [arm-fast-isel] Fix handling of the frameaddress intrinsic. If depth is 0Chad Rosier2012-06-011-1/+1
| | | | | | then DestReg is undefined. llvm-svn: 157840
* Switch some getAliasSet clients to MCRegAliasIterator.Jakob Stoklund Olesen2012-06-018-99/+46
| | | | | | | MCRegAliasIterator can optionally visit the register itself, allowing for simpler code. llvm-svn: 157837
* X86: peephole optimization to remove cmp instructionManman Ren2012-06-013-0/+331
| | | | | | | | | | | | | | | 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. llvm-svn: 157831
* ARM: properly handle alignment for struct byval.Manman Ren2012-06-014-250/+299
| | | | | | | | | Factor out the expansion code into a function. This change is to be enabled in clang. rdar://9877866 llvm-svn: 157830
* BoundsChecking: fix a bug when the handling of recursive PHIs failed and ↵Nuno Lopes2012-06-011-22/+39
| | | | | | | | | | 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) llvm-svn: 157822
* Implement the local-dynamic TLS model for x86 (PR3985)Hans Wennborg2012-06-0111-17/+274
| | | | | | | | | 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. llvm-svn: 157818
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-011-1/+1
| | | | | | | 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. llvm-svn: 157815
* quick fix for PR13006, will check in testcase later.Chris Lattner2012-06-011-1/+3
| | | | llvm-svn: 157813
* PR1255: case ranges.Stepan Dyatkovskiy2012-06-012-4/+4
| | | | | | | | | 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. llvm-svn: 157810
* Enable automatic detection of FMA3 support to allow intrinsics to be used.Craig Topper2012-06-011-6/+4
| | | | llvm-svn: 157805
* Remove fadd(fmul) patterns for FMA3. This needs to be implemented by paying ↵Craig Topper2012-06-011-212/+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. llvm-svn: 157804
* Add VFNSUB* instructions to folding table.Craig Topper2012-06-011-0/+17
| | | | llvm-svn: 157802
* Remove a trailing space and fix a comment.Craig Topper2012-06-011-3/+2
| | | | llvm-svn: 157801
* enhance the logic for looking through tailcalls to look through transparent ↵Chris Lattner2012-06-011-1/+21
| | | | | | | | | casts in multiple-return value scenarios, like what happens on X86-64 when returning small structs. llvm-svn: 157800
* Tidy up. Remove trailing spaces and fix the worst of the 80 column violations.Craig Topper2012-06-011-74/+90
| | | | llvm-svn: 157799
* enhance getNoopInput to know about vector<->vector bitcasts of legalChris Lattner2012-06-011-10/+38
| | | | | | | | 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). llvm-svn: 157798
* rearrange some logic, no functionality change.Chris Lattner2012-06-011-24/+32
| | | | llvm-svn: 157796
* ARM: support struct byval in llvmManman Ren2012-06-013-15/+279
| | | | | | | | | | We handle struct byval by inserting a pseudo op, which will be expanded to a loop at ExpandISelPseudos. A separate patch for clang will be submitted to enable struct byval. rdar://9877866 llvm-svn: 157793
* Fix 80 columns.Michael J. Spencer2012-06-011-3/+6
| | | | llvm-svn: 157788
* Add support for enum forward declarations.Eric Christopher2012-06-012-8/+9
| | | | | | Part of rdar://11570854 llvm-svn: 157786
* Put the shiny new MCSubRegIterator to work.Chad Rosier2012-06-011-8/+6
| | | | llvm-svn: 157783
* add -bounds-checking-multiple-traps option to make one trap BB per checkNuno Lopes2012-05-311-1/+5
| | | | | | disabled by default for now; we can discusse the default value (& name) later llvm-svn: 157777
* revamp BoundsChecking considerably:Nuno Lopes2012-05-311-129/+230
| | | | | | | | | | | | - compute size & offset at the same time. The side-effects of this are that we now support negative GEPs. It's now approaching a phase that it can be reused by other passes (e.g., lowering of the objectsize intrinsic) - use APInt throughout to handle wrap-arounds - add support for PHI instrumentation - add a cache (required for recursive PHIs anyway) - remove hoisting support for now, since it was wrong in a few cases sorry for the churn here.. tests will follow soon. llvm-svn: 157775
* Add support for return value promotion in X86 calling conventions.Jakob Stoklund Olesen2012-05-311-0/+10
| | | | | | Patch by Yiannis Tsiouris! llvm-svn: 157757
* X86: replace SUB with CMP if possibleManman Ren2012-05-313-0/+42
| | | | | | | | | | | | | | | | | This patch will optimize the following movq %rdi, %rax subq %rsi, %rax cmovsq %rsi, %rdi movq %rdi, %rax to cmpq %rsi, %rdi cmovsq %rsi, %rdi movq %rdi, %rax Perform this optimization if the actual result of SUB is not used. rdar: 11540023 llvm-svn: 157755
* Add a PrintRegUnit helper similar to PrintReg.Jakob Stoklund Olesen2012-05-311-0/+21
| | | | | | | | | | | Reg-units are named after their root registers, and most units have a single root, so they simply print as 'AL', 'XMM0', etc. The rare dual root reg-units print as FPSCR~FPSCR_NZCV, FP0~ST7, ... The printing piggybacks on the existing register name tables, so no extra const data space is required. llvm-svn: 157754
* Fix typosJoel Jones2012-05-311-2/+2
| | | | llvm-svn: 157752
* Fix typos noticed by Benjamin Kramer.Rafael Espindola2012-05-311-10/+29
| | | | | | | Also make the checks stronger and test that we reject ranges that overlap a previous wrapped range. llvm-svn: 157749
* X86: Rename the CLMUL target feature to PCLMUL.Benjamin Kramer2012-05-316-25/+25
| | | | | | | It was renamed in gcc/gas a while ago and causes all kinds of confusion because it was named differently in llvm and clang. llvm-svn: 157745
* Require intervals in the range metadata to be in a canonical form: They mustRafael Espindola2012-05-311-2/+16
| | | | | | | | | | | be non contiguous, non overlapping and sorted by the lower end. While this is technically a backward incompatibility, every frontent currently produces range metadata with a single interval and we don't have any pass that merges intervals yet, so no existing bitcode files should be rejected by this. llvm-svn: 157741
* Added FMA3 Intel instructions.Elena Demikhovsky2012-05-316-49/+409
| | | | | | | | I disabled FMA3 autodetection, since the result may differ from expected for some benchmarks. I added tests for GodeGen and intrinsics. I did not change llvm.fma.f32/64 - it may be done later. llvm-svn: 157737
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