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* Ensuring that both bits are set, and not just a combination of one or the other.Aaron Ballman2013-04-031-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178674 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup PPC reciprocal-estimate functionalityHal Finkel2013-04-032-61/+47
| | | | | | | Incorporating review feedback from Bill Schmidt on r178617. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178672 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Factorize maximum alu per clause in a single locationVincent Lejeune2013-04-034-2/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178667 91177308-0d34-0410-b5e6-96231b3b80d8
* Testing for Visual Studio 2010 SP1 or greater before calling the _xgetbv ↵Aaron Ballman2013-04-031-2/+2
| | | | | | intrinsic. This also fixes a minor code formatting issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178666 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Simplify data structure and add DEBUG to R600ControlFlowFinalizerVincent Lejeune2013-04-031-20/+21
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178665 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Consider KILLGT as an ALU instructionVincent Lejeune2013-04-032-3/+4
| | | | | | | Mesa does not override llvm behavior wrt KILLGT anymore so llvm has to handle KILLGT on its own. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178664 91177308-0d34-0410-b5e6-96231b3b80d8
* Measure time that IR parsing took as part of the -time-passes measurement.Eli Bendersky2013-04-032-4/+13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178662 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC: Enable FRES and FRSQRTE on the default PPC64 descriptionHal Finkel2013-04-031-1/+2
| | | | | | | I discussed this with Bill Schmidt on IRC, and it was decided that this is a safe and reasonable default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178659 91177308-0d34-0410-b5e6-96231b3b80d8
* PPC: Add a FIXME regarding the non-working fma+fneg Altivec patternHal Finkel2013-04-031-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178658 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some obsolete PowerPC/README entriesHal Finkel2013-04-031-20/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178657 91177308-0d34-0410-b5e6-96231b3b80d8
* More direct types in PowerPC AltiVec intrinsics.Ulrich Weigand2013-04-031-47/+29
| | | | | | | | | | | | This patch follows up on work done by Bill Schmidt in r178277, and replaces most of the remaining uses of VRRC in ISEL DAG patterns. The resulting .inc files are identical except for comments, so no change in code generation is expected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178656 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR15632: No support for ppcf128 floating-point remainder on PowerPC.Bill Schmidt2013-04-034-0/+28
| | | | | | | | | For this we need to use a libcall. Previously LLVM didn't implement libcall support for frem, so I've added it in the usual straightforward manner. A test case from the bug report is included. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178639 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: implement ETMv4 trace system registers.Tim Northover2013-04-035-0/+2090
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178637 91177308-0d34-0410-b5e6-96231b3b80d8
* Second pass at addressing PR15351 by explicitly checking for AVX supportAaron Ballman2013-04-031-2/+25
| | | | | | when getting the host processor information. It emits a .byte sequence on GNUC compilers to work around lack of xgetbv support with older assemblers, and resolves a comment typo found in the previous patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178636 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily relax the WIN32 checks in the SRet test to fix the Atom D2700 botTimur Iskhodzhanov2013-04-031-2/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178635 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix SRet for thiscall in i686-pc-win32Timur Iskhodzhanov2013-04-033-49/+42
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178634 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: switch patterns to be type-based rather than RegClass-basedTim Northover2013-04-031-503/+492
| | | | | | | It's a bit of churn in the blame log, but I think there are real benefits to the newer system so I'm making the change in one go. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178633 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix grammar.Eric Christopher2013-04-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178624 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove ZeroOrMore from the option description. We don't need it here.Eric Christopher2013-04-031-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178623 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 64-bit compare + branch for SPARC v9.Jakob Stoklund Olesen2013-04-036-5/+68
| | | | | | | | | | The same compare instruction is used for 32-bit and 64-bit compares. It sets two different sets of flags: icc and xcc. This patch adds a conditional branch instruction using the xcc flags for 64-bit compares. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178621 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some unsupported-feature comments from PPC.tdHal Finkel2013-04-031-3/+0
| | | | | | These refer to the reciprocal estimate support recently committed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178618 91177308-0d34-0410-b5e6-96231b3b80d8
* Use PPC reciprocal estimates with Newton iteration in fast-math modeHal Finkel2013-04-038-30/+499
| | | | | | | | | | | | | | | | | | | When unsafe FP math operations are enabled, we can use the fre[s] and frsqrte[s] instructions, which generate reciprocal (sqrt) estimates, together with some Newton iteration, in order to quickly generate floating-point division and sqrt results. All of these instructions are separately optional, and so each has its own feature flag (except for the Altivec instructions, which are covered under the existing Altivec flag). Doing this is not only faster than using the IEEE-compliant fdiv/fsqrt instructions, but allows these computations to be pipelined with other computations in order to hide their overall latency. I've also added a couple of missing fnmsub patterns which turned out to be missing (but are necessary for good code generation of the Newton iterations). Altivec needs a similar fix, but that will probably be more complicated because fneg is expanded for Altivec's v4f32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178617 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the fde encoding used by mips to match gas.Rafael Espindola2013-04-034-112/+163
| | | | | | | | | | | | | This finally fixes the encoding. The patch also * Removes eh-frame.ll. It was an unnecessary .ll to .o test that was checking the wrong value. * Merge fde-reloc.s and eh-frame.s into a single test, since the only difference was the run lines. * Don't blindly test the content of the entire .eh_frame section. It makes it hard to anyone actually fixing a bug and hitting a difference in a binary blob. Instead, use a CHECK for each field and document what is being checked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178615 91177308-0d34-0410-b5e6-96231b3b80d8
* Rolling back the AVX support patch due to breaking a gcc 4.6 build bot that ↵Aaron Ballman2013-04-031-23/+2
| | | | | | doesn't understand the xgetbv instruction for some reason. Will revisit when time permits. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178614 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an optimization where we were changing an objc_autorelease into an ↵Michael Gottesman2013-04-034-32/+9
| | | | | | | | | | | | | | | | | | | | | objc_autoreleaseReturnValue. The semantics of ARC implies that a pointer passed into an objc_autorelease must live until some point (potentially down the stack) where an autorelease pool is popped. On the other hand, an objc_autoreleaseReturnValue just signifies that the object must live until the end of the given function at least. Thus objc_autorelease is stronger than objc_autoreleaseReturnValue in terms of the semantics of ARC* implying that performing the given strength reduction without any knowledge of how this relates to the autorelease pool pop that is further up the stack violates the semantics of ARC. *Even though objc_autoreleaseReturnValue if you know that no RV optimization will occur is more computationally expensive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178612 91177308-0d34-0410-b5e6-96231b3b80d8
* Improved comment. No functionality change.Michael Gottesman2013-04-031-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178605 91177308-0d34-0410-b5e6-96231b3b80d8
* Attempting to fix the build on older GCC versions.Aaron Ballman2013-04-031-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178604 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove anonymous namespace.Rafael Espindola2013-04-031-4/+0
| | | | | | | | | | | Looks like the gcc in http://lab.llvm.org:8011/builders/clang-x86_64-darwin11-self-mingw32/ doesn't like "not external linkage": /Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/include/llvm/Support/YAMLTraits.h: In instantiation of 'const bool llvm::yaml::has_SequenceMethodTraits<std::vector<<unnamed>::COFFYAML::Relocation, std::allocator<<unnamed>::COFFYAML::Relocation> > >::value': /Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/include/llvm/Support/YAMLTraits.h:281: instantiated from 'llvm::yaml::has_SequenceTraits<std::vector<<unnamed>::COFFYAML::Relocation, std::allocator<<unnamed>::COFFYAML::Relocation> > >' /Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/utils/yaml2obj/yaml2obj.cpp:627: instantiated from here /Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/include/llvm/Support/YAMLTraits.h:243: error: 'llvm::yaml::SequenceTraits<std::vector<<unnamed>::COFFYAML::Relocation, std::allocator<<unnamed>::COFFYAML::Relocation> > >::size' is not a valid template argument for type 'size_t (*)(llvm::yaml::IO&, std::vector<<unnamed>::COFFYAML::Relocation, std::allocator<<unnamed>::COFFYAML::Relocation> >&)' because function 'static size_t llvm::yaml::SequenceTraits<std::vector<<unnamed>::COFFYAML::Relocation, std::allocator<<unnamed>::COFFYAML::Relocation> > >::size(llvm::yaml::IO&, std::vector<<unnamed>::COFFYAML::Relocation, std::allocator<<unnamed>::COFFYAML::Relocation> >&)' has not external linkage git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178600 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch addresses PR15351 by explicitly checking for AVX supportAaron Ballman2013-04-031-2/+22
| | | | | | when getting the host processor information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178598 91177308-0d34-0410-b5e6-96231b3b80d8
* Use yaml::IO in yaml2obj.cpp.Rafael Espindola2013-04-021-551/+346
| | | | | | | The generic structs and specializations will be refactored when obj2yaml is changed to use yaml::IO. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178593 91177308-0d34-0410-b5e6-96231b3b80d8
* Formatting.Eric Christopher2013-04-021-2/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178589 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Small update to the implementation of eh.return for Mips.Akira Hatanaka2013-04-023-0/+12
| | | | | | | | | | | This patch initializes t9 to the handler address, but only if the relocation model is pic. This handles the case where handler to which eh.return jumps points to the start of the function. Patch by Sasa Stankovic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178588 91177308-0d34-0410-b5e6-96231b3b80d8
* Support and test template arguments for unions.Eric Christopher2013-04-022-1/+60
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178586 91177308-0d34-0410-b5e6-96231b3b80d8
* Reformat arguments.Eric Christopher2013-04-021-4/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178585 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Expand pseudo multiply/divide instructions in MipsCodeEmitter.cpp.Akira Hatanaka2013-04-021-0/+36
| | | | | | | | | | | This patch fixes the following two tests which have been failing on llvm-mips-linux builder since r178403: LLVM :: Analysis/Profiling/load-branch-weights-ifs.ll LLVM :: Analysis/Profiling/load-branch-weights-loops.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178584 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/CodeGen/X86: Unmark them out of XFAIL:cygming, in atomic{32|64}.ll ↵NAKAMURA Takumi2013-04-023-5/+0
| | | | | | | | and handle-move.ll, corresponding to r178549. This reverts r176808, r176798, and r177914. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178583 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow MachineTraceMetrics to be used when the model has no resources.Jakob Stoklund Olesen2013-04-022-7/+11
| | | | | | | It it still possible to extract information from itineraries, for example. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178582 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo.Jakub Staszak2013-04-021-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178567 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-inline asm] Add support for parsing variables with namespace aliasChad Rosier2013-04-021-0/+54
| | | | | | | | | | | | | | qualifiers. This patch only adds support for parsing these identifiers in the X86AsmParser. The front-end interface isn't capable of looking up these identifiers at this point in time. The end result is the compiler now errors during object file emission, rather than at parse time. Test case coming shortly. Part of rdar://13499009 and PR13340 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178566 91177308-0d34-0410-b5e6-96231b3b80d8
* Add MDBuilder utilities for path-aware TBAA.Manman Ren2013-04-021-0/+23
| | | | | | | | | | | Add utilities to create struct nodes in TBAA type DAG and to create path-aware tags. The format of struct nodes in TBAA type DAG: a unique name, a list of fields with field offsets and field types. The format of path-aware tags: a base type in TBAA type DAG, an access type and an offset relative to the base type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178564 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR15630: Replace faulty stdcx. with stwcx.Bill Schmidt2013-04-022-1/+17
| | | | | | | | | | | When doing a partword atomic operation, a lwarx was being paired with a stdcx. instead of a stwcx. when compiling for a 64-bit target. The target has nothing to do with it in this case; we always need a stwcx. Thanks to Kai Nacke for reporting the problem. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178559 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't attempt MTM heuristics without a scheduling model present.Jakob Stoklund Olesen2013-04-022-0/+6
| | | | | | This should fix the PPC buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178558 91177308-0d34-0410-b5e6-96231b3b80d8
* Count processor resources individually in MachineTraceMetrics.Jakob Stoklund Olesen2013-04-022-9/+169
| | | | | | | | | | | | | | | The new instruction scheduling models provide information about the number of cycles consumed on each processor resource. This makes it possible to estimate ILP more accurately than simply counting instructions / issue width. The functions getResourceDepth() and getResourceLength() now identify the limiting processor resource, and return a cycle count based on that. This gives more precise resource information, particularly in traces that use one resource a lot more than others. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178553 91177308-0d34-0410-b5e6-96231b3b80d8
* [fast-isel] Use the correct API to disable FastLowerArguments for Win64.Chad Rosier2013-04-022-4/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178549 91177308-0d34-0410-b5e6-96231b3b80d8
* DAGCombiner: Merge store/loads when we have extload/truncstoresArnold Schwaighofer2013-04-022-0/+117
| | | | | | | | | | | | | | | | This is helps on architectures where i8,i16 are not legal but we have byte, and short loads/stores. Allowing us to merge copies like the one below on ARM. copy(char *a, char *b, int n) { do { int t0 = a[0]; int t1 = a[1]; b[0] = t0; b[1] = t1; radar://13536387 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178546 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify test cases for Atom preferring call register indirect overPreston Gurd2013-04-022-409/+160
| | | | | | | | call memory indirect (32 and 64 bit). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178541 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix a few style issues in NVVMReflectJustin Holewinski2013-04-021-72/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178536 91177308-0d34-0410-b5e6-96231b3b80d8
* Use a worklist to avoid a sneaky iterator invalidation.Bill Wendling2013-04-022-3/+22
| | | | | | | | | | | | | | The iterator could be invalidated when it's recursively deleting a whole bunch of constant expressions in a constant initializer. Note: This was only reproducible if `opt' was run on a `.bc' file. If `opt' was run on a `.ll' file, it wouldn't crash. This is why the test first pushes the `.ll' file through `llvm-as' before feeding it to `opt'. PR15440 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178531 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 64-bit load and store instructions.Jakob Stoklund Olesen2013-04-022-0/+126
| | | | | | There is only a few new instructions, the rest is handled with patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178528 91177308-0d34-0410-b5e6-96231b3b80d8
* Basic 64-bit ALU operations.Jakob Stoklund Olesen2013-04-022-0/+59
| | | | | | | SPARC v9 extends all ALU instructions to 64 bits, so we simply need to add patterns to use them for both i32 and i64 values. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178527 91177308-0d34-0410-b5e6-96231b3b80d8
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