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* Move everything depending on Object/MachOFormat.h over to Support/MachO.h.Charles Davis2013-09-01
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189728 91177308-0d34-0410-b5e6-96231b3b80d8
* Free PressureDiffs instead of leaking.Benjamin Kramer2013-08-31
| | | | | | Found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189725 91177308-0d34-0410-b5e6-96231b3b80d8
* [conf] Add config variable to disable crash related overrides.Daniel Dunbar2013-08-30
| | | | | | | | | | | | | | | | | | | | | - We do some nasty things w.r.t. installing or overriding signal handlers in order to improve our crash recovery support or interaction with crash reporting software, and those things are not necessarily appropriate when LLVM is being linked into a client application that has its own ideas about how to do things. This gives those clients a way to disable that handling at build time. - Currently, the code this guards is all Apple specific, but other platforms might have the same concerns so I went for a more generic configure name. Someone who is more familiar with library embedding on Windows can handle choosing which of the Windows/Signals.inc behaviors might make sense to go under this flag. - This also fixes the proper autoconf'ing of ENABLE_BACKTRACES. The code expects it to be undefined when disabled, but the autoconf check was just defining it to 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189694 91177308-0d34-0410-b5e6-96231b3b80d8
* Use LiveRangeQuery for instruction-level liveness queries.Andrew Trick2013-08-30
| | | | | | Remove redundant or bug-prone LiveInterval APIs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189685 91177308-0d34-0410-b5e6-96231b3b80d8
* mi-sched: update PressureDiffs on-the-fly for liveness.Andrew Trick2013-08-30
| | | | | | | This removes all expensive pressure tracking logic from the scheduling critical path of node comparison. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189643 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace LiveInterval::killedAt with isKilledAtInstr.Andrew Trick2013-08-30
| | | | | | Return true for LRGs that end at EarlyClobber or Register slots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189642 91177308-0d34-0410-b5e6-96231b3b80d8
* mi-sched: improve the generic register pressure comparison.Andrew Trick2013-08-30
| | | | | | | Only compare pressure within the same set. When multiple sets are affected, we prioritize the most constrained set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189641 91177308-0d34-0410-b5e6-96231b3b80d8
* mi-sched: Precompute a PressureDiff for each instruction, adjust for ↵Andrew Trick2013-08-30
| | | | | | | | | | | | | liveness later. Created SUPressureDiffs array to hold the per node PDiff computed during DAG building. Added a getUpwardPressureDelta API that will soon replace the old one. Compute PressureDelta here from the precomputed PressureDiffs. Updating for liveness will come next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189640 91177308-0d34-0410-b5e6-96231b3b80d8
* DIBuilder: retain a type when created with a unique identifier.Manman Ren2013-08-29
| | | | | | | | | | | | | | | | createClassType, createStructType, createUnionType, createEnumerationType, and createForwardDecl will retain a type when created with a unique identifier, to make sure they are treated as used even when all uses are replaced with the identifiers. Use TrackingVH<MDNode> instead of MDNode in AllRetainTypes, since the created node can later be updated. The change will be tested when clients of DIBuilder start to pass in non-empty unique identifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189621 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up some usage of Triple. The base class has methods for determining ↵Cameron Esfahani2013-08-29
| | | | | | if the target is iOS and Linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189604 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the following error when NDEBUG is defined:Kaelyn Uhrain2013-08-29
| | | | | | | | | | include/llvm/Support/UnicodeCharRanges.h:56:5: error: use of this statement in a constexpr constructor is a C++1y extension [-Werror,-Wc++1y-extensions] assert(rangesAreValid()); ^ git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189599 91177308-0d34-0410-b5e6-96231b3b80d8
* Comment and revise the cyclic critical path code.Andrew Trick2013-08-29
| | | | | | This should be much more clear now. It's still disabled pending testing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189597 91177308-0d34-0410-b5e6-96231b3b80d8
* isCharInSet refactoring.Alexander Kornienko2013-08-29
| | | | | | | | | | | | | | | | | | Summary: Made UnicodeCharSet a class, perform validity checking inside its constructor instead of each isCharInSet call, use std::binary_search instead of own implementation. This patch comes with a necessary change in clang (sent separately). Reviewers: jordan_rose, klimek Reviewed By: klimek CC: cfe-commits, rsmith Differential Revision: http://llvm-reviews.chandlerc.com/D1534 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189582 91177308-0d34-0410-b5e6-96231b3b80d8
* Move StringToOffsetTable into the TableGen include directory so I can use it ↵Craig Topper2013-08-29
| | | | | | in clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189567 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert: r189565 - Add getUnrollingPreferences to TTIHal Finkel2013-08-29
| | | | | | | | | | | | | | | Revert unintentional commit (of an unreviewed change). Original commit message: Add getUnrollingPreferences to TTI Allow targets to customize the default behavior of the generic loop unrolling transformation. This will be used by the PowerPC backend when targeting the A2 core (which is in-order with a deep pipeline), and using more aggressive defaults is important. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189566 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getUnrollingPreferences to TTIHal Finkel2013-08-29
| | | | | | | | | Allow targets to customize the default behavior of the generic loop unrolling transformation. This will be used by the PowerPC backend when targeting the A2 core (which is in-order with a deep pipeline), and using more aggressive defaults is important. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189565 91177308-0d34-0410-b5e6-96231b3b80d8
* Add useAA() to TargetSubtargetInfoHal Finkel2013-08-29
| | | | | | | | | | | | | There are several optional (off-by-default) features in CodeGen that can make use of alias analysis. These features are important for generating code for some kinds of cores (for example the (in-order) PPC A2 core). This adds a useAA() function to TargetSubtargetInfo to allow these features to be enabled by default on a per-subtarget basis. Here is the first use of this function: To control the default of the -enable-aa-sched-mi feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189563 91177308-0d34-0410-b5e6-96231b3b80d8
* [Object/COFF] Add coff_aux_weak_external.Rui Ueyama2013-08-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189541 91177308-0d34-0410-b5e6-96231b3b80d8
* Option parsing: support case-insensitive option matching.Rui Ueyama2013-08-28
| | | | | | Re-submitting r189416 with fix for Windows build on where strcasecmp is not defined. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189501 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable unrolling in the loop vectorizer when disabled in the pass managerHal Finkel2013-08-28
| | | | | | | | | | | | | | | | | When unrolling is disabled in the pass manager, the loop vectorizer should also not unroll loops. This will allow the -fno-unroll-loops option in Clang to behave as expected (even for vectorizable loops). The loop vectorizer's -force-vector-unroll option will (continue to) override the pass-manager setting (including -force-vector-unroll=0 to force use of the internal auto-selection logic). In order to test this, I added a flag to opt (-disable-loop-unrolling) to force disable unrolling through opt (the analog of -fno-unroll-loops in Clang). Also, this fixes a small bug in opt where the loop vectorizer was enabled only after the pass manager populated the queue of passes (the global_alias.ll test needed a slight update to the RUN line as a result of this fix). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189499 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: remove unused v(add|sub)hn and vqdml[as]l intrinsics.Tim Northover2013-08-28
| | | | | | | Clang is now generating cleaner IR, so this removes the old variants which should be completely unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189481 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Added bnz.df, bnz.v, bz.df, and bz.vDaniel Sanders2013-08-28
| | | | | | | | | | | | | | | These intrinsics are legalized to V(ALL|ANY)_(NON)?ZERO nodes, are matched as SN?Z_[BHWDV]_PSEUDO pseudo's, and emitted as a branch/mov sequence to evaluate to 0 or 1. Note: The resulting code is sub-optimal since it doesnt seem to be possible to feed the result of an intrinsic directly into a brcond. At the moment it uses (SETCC (VALL_ZERO $ws), 0, SETEQ) and similar which unnecessarily evaluates the boolean twice. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189478 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Added load/store intrinsics.Daniel Sanders2013-08-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189476 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Added move.vDaniel Sanders2013-08-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189471 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Added cfcmsa, and ctcmsaDaniel Sanders2013-08-28
| | | | | | | | | The MSA control registers have been added as reserved registers, and are only used via ISD::Copy(To|From)Reg. The intrinsics are lowered into these nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189468 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][msa] Added f[cs]af, f[cs]or, f[cs]ueq, f[cs]ul[et], f[cs]une, fsun, ↵Daniel Sanders2013-08-28
| | | | | | ftrunc_[su], hadd_[su], hsub_[su], sr[al]r, sr[al]ri git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189467 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove support for the .debug_inlined section. No known softwareEric Christopher2013-08-28
| | | | | | in use supports it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189439 91177308-0d34-0410-b5e6-96231b3b80d8
* [BumpPtrAllocator] Move DefaultSlabAllocator to a member of ↵Argyrios Kyrtzidis2013-08-28
| | | | | | | | | | BumpPtrAllocator, instead of a static variable. The problem with having DefaultSlabAllocator being a global static is that it is undefined if BumpPtrAllocator will be usable during global initialization because it is not guaranteed that DefaultSlabAllocator will be initialized before BumpPtrAllocator is created and used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189433 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Option parsing: support case-insensitive option matching." as it ↵Rui Ueyama2013-08-28
| | | | | | | | broke Windows buildbot. This reverts r189416. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189424 91177308-0d34-0410-b5e6-96231b3b80d8
* Option parsing: support case-insensitive option matching.Rui Ueyama2013-08-27
| | | | | | | | | | | | | | Link.exe's command line options are case-insensitive. This patch adds a new attribute to OptTable to let the option parser to compare options, ignoring case. Command lines are generally case-insensitive on Windows. CL.exe is an exception. So this new attribute should be useful for other commands running on Windows. Differential Revision: http://llvm-reviews.chandlerc.com/D1485 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189416 91177308-0d34-0410-b5e6-96231b3b80d8
* DIBuilder: take an optional StringRef to pass in unique identifier.Manman Ren2013-08-27
| | | | | | | | | | createClassType, createStructType, createUnionType, createEnumerationType, and createForwardDecl will take an optional StringRef to pass in the unique identifier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189410 91177308-0d34-0410-b5e6-96231b3b80d8
* Given target assembler parsers a chance to handle variant expressionsJoerg Sonnenberger2013-08-27
| | | | | | | | first. Use this to turn the PPC modifiers into PPC specific expressions, allowing them to work on constants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189400 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 189297, the original commit message is following. Shuxin Yang2013-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ---- Add new API lto_codegen_compile_parallel(). This API is proposed by Nick Kledzik. The semantic is: -------------------------------------------------------------------------- Generate code for merged module into an array of native object files. On success returns a pointer to an array of NativeObjectFile. The count parameter returns the number of elements in the array. Each element is a pointer/length for a generated mach-o/ELF buffer. The buffer is owned by the lto_code_gen_t and will be freed when lto_codegen_dispose() is called, or lto_codegen_compile() is called again. On failure, returns NULL (check lto_get_error_message() for details). extern const struct NativeObjectFile* lto_codegen_compile_parallel(lto_code_gen_t cg, size_t *count); --------------------------------------------------------------------------- This API is currently only called on OSX platform. Linux or other Unixes using GNU gold are not supposed to call this function, because on these systems, object files are fed back to linker via disk file instead of memory buffer. In this commit, lto_codegen_compile_parallel() simply calls lto_codegen_compile() to return a single object file. In the near future, this function is the entry point for compilation with partition. Linker can blindly call this function even if partition is turned off; in this case, compiler will return only one object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189386 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an assertion to the fixed-size allocator to ensure that we don't requestJoey Gouly2013-08-27
| | | | | | | | | an allocation that is greater than what we will actually allocate. Patch by Artyom Skrobov! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189340 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for DebugFission to DWARF parserAlexey Samsonov2013-08-27
| | | | | | | | | | | | | | | | | | | Summary: 1) Make llvm-symbolizer properly symbolize files with split debug info (by using stanalone .dwo files). 2) Make DWARFCompileUnit parse and store corresponding .dwo file, if necessary. 3) Make bits of DWARF parsing more CompileUnit-oriented. Reviewers: echristo Reviewed By: echristo CC: bkramer, llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D1164 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189329 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Fix the build broken by r189315." and "Move everything depending on ↵Charles Davis2013-08-27
| | | | | | | | | Object/MachOFormat.h over to Support/MachO.h." This reverts commits r189319 and r189315. r189315 broke some tests on what I believe are big-endian platforms. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189321 91177308-0d34-0410-b5e6-96231b3b80d8
* Move everything depending on Object/MachOFormat.h over to Support/MachO.h.Charles Davis2013-08-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189315 91177308-0d34-0410-b5e6-96231b3b80d8
* Support/MachO: Add a bunch of defines.Charles Davis2013-08-27
| | | | | | | | Right now we have two headers for the Mach-O format. I'd like to get rid of one. Since the other object formats are all in Support, I chose to keep the Mach-O header in Support, and discard the other one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189314 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new API lto_codegen_compile_parallel().Shuxin Yang2013-08-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This API is proposed by Nick Kledzik. The semantic is: -------------------------------------------------------------------------- Generate code for merged module into an array of native object files. On success returns a pointer to an array of NativeObjectFile. The count parameter returns the number of elements in the array. Each element is a pointer/length for a generated mach-o/ELF buffer. The buffer is owned by the lto_code_gen_t and will be freed when lto_codegen_dispose() is called, or lto_codegen_compile() is called again. On failure, returns NULL (check lto_get_error_message() for details). extern const struct NativeObjectFile* lto_codegen_compile_parallel(lto_code_gen_t cg, size_t *count); --------------------------------------------------------------------------- This API is currently only called on OSX platform. Linux or other Unixes using GNU gold are not supposed to call this function, because on these systems, object files are fed back to linker via disk file instead of memory buffer. In this commit, lto_codegen_compile_parallel() simply calls lto_codegen_compile() to return a single object file. In the near future, this function is the entry point for compilation with partition. Linker can blindly call this function even if partition is turned off; in this case, compiler will return only one object file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189297 91177308-0d34-0410-b5e6-96231b3b80d8
* Debug Info: add an identifier field to DICompositeType.Manman Ren2013-08-26
| | | | | | | | | | | | | | | | | | | DICompositeType will have an identifier field at position 14. For now, the field is set to null in DIBuilder. For DICompositeTypes where the template argument field (the 13th field) was optional, modify DIBuilder to make sure the template argument field is set. Now DICompositeType has 15 fields. Update DIBuilder to use NULL instead of "i32 0" for null value of a MDNode. Update verifier to check that DICompositeType has 15 fields and the last field is null or a MDString. Update testing cases to include an extra field for DICompositeType. The identifier field will be used by type uniquing so a front end can genearte a DICompositeType with a unique identifer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189282 91177308-0d34-0410-b5e6-96231b3b80d8
* [cmake] Check for realpath availability in CMakeAlexey Samsonov2013-08-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189249 91177308-0d34-0410-b5e6-96231b3b80d8
* SelectionDAG: Use correct pointer size when lowering function arguments v2Tom Stellard2013-08-26
| | | | | | | | | | | | | | | | This adds minimal support to the SelectionDAG for handling address spaces with different pointer sizes. The SelectionDAG should now correctly lower pointer function arguments to the correct size as well as generate the correct code when lowering getelementptr. This patch also updates the R600 DataLayout to use 32-bit pointers for the local address space. v2: - Add more helper functions to TargetLoweringBase - Use CHECK-LABEL for tests git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189221 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix #include guard.Jakub Staszak2013-08-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189199 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] fix compile with -WerrorSaleem Abdulrasool2013-08-24
| | | | | | | error: commas at the end of enumerator lists are a C++11 extension [-Werror,-Wc++11-extensions] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189183 91177308-0d34-0410-b5e6-96231b3b80d8
* [Support] add missing enumeration valuesSaleem Abdulrasool2013-08-24
| | | | | | | | | This adds additional missing Windows subsystem identifiers to the IMAGE_SUBSYSTEM enumeration. Signed-off-by: Saleem Abdulrasool <compnerd@compnerd.org> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189180 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a function object to compare the first or second component of a std::pair.Benjamin Kramer2013-08-24
| | | | | | Replace instances of this scattered around the code base. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189169 91177308-0d34-0410-b5e6-96231b3b80d8
* Added const qualifier to StringRef::edit_distance member functionDmitri Gribenko2013-08-24
| | | | | | | Patch by Ismail Pazarbasi. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189162 91177308-0d34-0410-b5e6-96231b3b80d8
* PrintVRegOrUnitAndrew Trick2013-08-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189124 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a convenient PSetIterator for visiting pressure sets affected by a register.Andrew Trick2013-08-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189121 91177308-0d34-0410-b5e6-96231b3b80d8
* Adds cyclic critical path computation and heuristics, temporarily disabled.Andrew Trick2013-08-23
| | | | | | | | | | | Estimate the cyclic critical path within a single block loop. If the acyclic critical path is longer, then the loop will exhaust OOO resources after some number of iterations. If lag between the acyclic critical path and cyclic critical path is longer the the time it takes to issue those loop iterations, then aggressively schedule for latency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189120 91177308-0d34-0410-b5e6-96231b3b80d8
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