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* EXPORTED_SYMBOL_FILE support for cmakeNico Weber2013-12-28
| | | | | | | | | | | | | | The cmake build didn't support EXPORTED_SYMBOL_FILE. Instead, it had a Windows-only implementation in tools/lto/CMakeLists.txt, a linux-only implementation in tools/gold/CMakeLists.txt, and a darwin-only implementation in tools/clang/tools/libclang/CMakeLists.txt. This attempts to consolidate these one-offs into a single place. Clients can now just set LLVM_EXPORTED_SYMBOL_FILE and things (hopefully) Just Work, like in the make build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198136 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove windows newlines.Nico Weber2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198135 91177308-0d34-0410-b5e6-96231b3b80d8
* CodeGen: silence a C++11 feature warningSaleem Abdulrasool2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198133 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM IAS: handle errors more appropriatelySaleem Abdulrasool2013-12-28
| | | | | | | | | | | Directive parsers must return false if the target assembler is interested in handling the directive. The Error member function returns true always. Using the 'return Error()' pattern would incorrectly indicate to the general parser that the target was not interested in the directive, when in reality it simply encountered a badly formed directive or some other error. This corrects the behaviour to ensure that the parser behaves appropriately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198132 91177308-0d34-0410-b5e6-96231b3b80d8
* Uninitialized variable (in never taken path) after factoring.Andrew Trick2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198131 91177308-0d34-0410-b5e6-96231b3b80d8
* New machine model for cortex-a9. Schedule for resources and latency.Andrew Trick2013-12-28
| | | | | | | | | Schedule more conservatively to account for stalls on floating point resources and latency. Use the AGU resource to model latency stalls since it's shared between FP and LD/ST instructions. This might not be completely accurate but should work well in practice. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198125 91177308-0d34-0410-b5e6-96231b3b80d8
* Added debugging options: -misched-only-func/blockAndrew Trick2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198124 91177308-0d34-0410-b5e6-96231b3b80d8
* The Cortex-A9 machine model is incomplete. Mark it as such.Andrew Trick2013-12-28
| | | | | | | | | | Many vector operations never had itineraries. Since the new machine model was a mapping from existing itinerary classes, we don't have a model for these. We still want to migrate A9 even though no one has invested in a complete model, so mark it incomplete to avoid the scheduler asserting. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198123 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a PostMachineScheduler pass with generic implementation.Andrew Trick2013-12-28
| | | | | | | | | | | | | | | | | | | | | | | | | PostGenericScheduler uses either the new machine model or the hazard checker for top-down scheduling. Most of the infrastructure for PreRA machine scheduling is reused. With a some tuning, this should allow MachineScheduler to be default for all ARM targets, including cortex-A9, using the new machine model. Likewise, with additional tuning, it should be able to replace PostRAScheduler for all targets. The PostMachineScheduler pass does not currently run the AntiDepBreaker. There is less need for it on targets that are already running preRA MachineScheduler. I want to prove it's necessary before committing to the maintenance burden. The PostMachineScheduler also currently removes kill flags and adds them all back later. This is a bit ridiculous. I'd prefer passes to directly use a liveness utility than rely on flags. A test case that enables this scheduler will be included in a subsequent checkin that updates the A9 model. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198122 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the PostRA scheduler's fixupKills function for reuse.Andrew Trick2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198121 91177308-0d34-0410-b5e6-96231b3b80d8
* Stub out a PostMachineScheduler pass.Andrew Trick2013-12-28
| | | | | | Placeholder and boilerplate for a PostRA MachineScheduler pass. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198120 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor MI-Sched in preparation for post-ra scheduling support.Andrew Trick2013-12-28
| | | | | | | | Factor the MachineFunctionPass into MachineSchedulerBase. Split the DAG class into ScheduleDAGMI and SchedulerDAGMILive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198119 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert part of r198115 to see if it fixes a buildbot failure.Craig Topper2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198118 91177308-0d34-0410-b5e6-96231b3b80d8
* Use getSimpleValueType in a few spots where the type should be simple.Craig Topper2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198117 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor indentation fix to match other switch statements. Change ↵Craig Topper2013-12-28
| | | | | | llvm_unreachable text to match similar places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198116 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark some Type and EVT methods as LLVM_READONLY.Craig Topper2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198115 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/test/CodeGen/X86/vselect.ll: Unbreak Windows x64 targets to add ↵NAKAMURA Takumi2013-12-28
| | | | | | -mtriple=x86_64-unknown-unknown. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198114 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Teach the backend how to fold target specific dag node for packedAndrea Di Biagio2013-12-28
| | | | | | | | | | | | | | | | | | | | | vector shift by immedate count (VSHLI/VSRLI/VSRAI) into a build_vector when the vector in input to the shift is a build_vector of all constants or UNDEFs. Target specific nodes for packed shifts by immediate count are in general introduced by function 'getTargetVShiftByConstNode' (in X86ISelLowering.cpp) when lowering shift operations, SSE/AVX immediate shift intrinsics and (only in very few cases) SIGN_EXTEND_INREG dag nodes. This patch adds extra rules for simplifying vector shifts inside function 'getTargetVShiftByConstNode'. Added file test/CodeGen/X86/vec_shift5.ll to verify that packed shifts by immediate are correctly folded into a build_vector when the input vector to the shift dag node is a vector of constants or undefs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198113 91177308-0d34-0410-b5e6-96231b3b80d8
* AsmParser: cleanup diagnostics for .rep/.reptSaleem Abdulrasool2013-12-28
| | | | | | | Avoid double diagnostics for invalid expressions for count. Improve caret location for negative count. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198099 91177308-0d34-0410-b5e6-96231b3b80d8
* IAS: support .rep as an alias for .reptSaleem Abdulrasool2013-12-28
| | | | | | | The GNU assembler supports .rep as an alias for .rept. This simply creates the alias for it and introduces a test for both .rept and .rep. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198097 91177308-0d34-0410-b5e6-96231b3b80d8
* ARMAsmParser: fix typo in commentSaleem Abdulrasool2013-12-28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198095 91177308-0d34-0410-b5e6-96231b3b80d8
* Disable transforms that introduce calls to exp10*() on Linux due toChandler Carruth2013-12-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | widespread glibc bugs. The glibc implementation of exp10 has a very serious precision bug in version 2.15 (and older versions). This is still very widely used (the current Ubuntu LTS for example uses it) and so it isn't reasonable to make transforms that produce these functions. This fixes many miscompiles introduced when we started transforming pow(10.0, ...) into exp10, and it may have fixed other latent miscompiles where exp10 provided sufficient precision but exp10f did not. This is all really horrible. The primary bug has been fixed for over a year and glibc 2.18 works correctly for the test cases I have, but it will be 2017 before the LTS using 2.15 is no longer supported by Ubuntu (and thus reasonable for folks to be relying on). =[ We're either going to need to live without these optimizations, or find a way to switch behavior more dynamically than using simply the fact that the OS is "Linux". To make matters worse, there appears to be significant testing and fixing of numerous other bugs in the exp10 family of functions right now in glibc. While those haven't been causing problems I've seen in the wild, it gives me concerns that we may need to wait until an even later release of glibc before we can reliably transform code into exp10. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198093 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove AsmPrinter::needsRelocationsForDwarfStringPool() since it'sEric Christopher2013-12-28
| | | | | | | just calling into MAI and is only abstracting for a single interface that we actually need to check in multiple places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198092 91177308-0d34-0410-b5e6-96231b3b80d8
* Attempt to fix JIT unit tests after r198087.Nico Weber2013-12-27
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198089 91177308-0d34-0410-b5e6-96231b3b80d8
* Strip dead code when linking by default with BFD ld (linux, ...) and ld64 ↵Nico Weber2013-12-27
| | | | | | | | | | | | | | | (os x). This reduces the size of clang-format from 22 MB to 1.8 MB, diagtool goes from 21 MB to 2.8 MB, libclang.so goes from 29 MB to 20 MB, etc. The size of the bin/ folder shrinks from 270 MB to 200 MB. Targets that support plugins and don't already use EXPORTED_SYMBOL_FILE (which libclang and libLTO already do) can set NO_DEAD_STRIP to opt out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198087 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach DAGCombiner how to fold a SIGN_EXTEND_INREG of a BUILD_VECTOR ofAndrea Di Biagio2013-12-27
| | | | | | | | | | | | | | | | | | | | | | ConstantSDNodes (or UNDEFs) into a simple BUILD_VECTOR. For example, given the following sequence of dag nodes: i32 C = Constant<1> v4i32 V = BUILD_VECTOR C, C, C, C v4i32 Result = SIGN_EXTEND_INREG V, ValueType:v4i1 The SIGN_EXTEND_INREG node can be folded into a build_vector since the vector in input is a BUILD_VECTOR of constants. The optimized sequence is: i32 C = Constant<-1> v4i32 Result = BUILD_VECTOR C, C, C, C git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198084 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Remove dead code, DICompositeType::addMember(DIDescriptor D)David Blaikie2013-12-27
| | | | | | | | | | | | | | It's no longer necessary to lazily add members to the DICompositeType member list. Instead any lazy members (special member functions and member template instantiations) are added to the parent late based on their context link, the same way that nested types have always been handled (never being in the member list - just added to the parent DIE lazily based on context). Clang's been updated not to use this function anymore as it improves type unit consistency by never emitting lazy members in type units. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198079 91177308-0d34-0410-b5e6-96231b3b80d8
* Use two variables here rather than reusing (and abusing) one. This isChandler Carruth2013-12-27
| | | | | | | much more clear to me. I meant to make this change before committing the original patch, but forgot to merge it in. Sorry. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198069 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce a simple line-by-line iterator type into the Support library.Chandler Carruth2013-12-27
| | | | | | | | | | | | | | | | | | | This is an iterator which you can build around a MemoryBuffer. It will iterate through the non-empty, non-comment lines of the buffer as a forward iterator. It should be small and reasonably fast (although it could be made much faster if anyone cares, I don't really...). This will be used to more simply support the text-based sample profile file format, and is largely based on the original patch by Diego. I've re-worked the style of it and separated it from the work of producing a MemoryBuffer from a file which both simplifies the interface and makes it easier to test. The style of the API follows the C++ standard naming conventions to fit in better with iterators in general, much like the Path and FileSystem interfaces follow standard-based naming conventions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198068 91177308-0d34-0410-b5e6-96231b3b80d8
* TLI: Make exp10* avaiable on Linux/Mac/iOS and unavailable elsewhereReid Kleckner2013-12-26
| | | | | | | | This makes it unavailable on NetBSD, Android, etc. Patch by Brad Smith! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198056 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo.Roman Divacky2013-12-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198045 91177308-0d34-0410-b5e6-96231b3b80d8
* Recognize armv7a and friends as aliases for armv7-a etc. for the purposeJoerg Sonnenberger2013-12-26
| | | | | | | of architecture naming. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198043 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM IAS: support .even directiveSaleem Abdulrasool2013-12-26
| | | | | | | The .even directive aligns content to an evan-numbered address. This is an ARM specific directive applicable to any section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198031 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Lower and MachineInstr to MC and print assembly using MCInstPrinter.Venkatraman Govindaraju2013-12-26
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198030 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add target specific MCExpr class to handle sparc specific modifiers ↵Venkatraman Govindaraju2013-12-26
| | | | | | like %hi, %lo, etc., git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198029 91177308-0d34-0410-b5e6-96231b3b80d8
* [Sparc] Add MCInstPrinter implementation for SPARC.Venkatraman Govindaraju2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198028 91177308-0d34-0410-b5e6-96231b3b80d8
* [ASan] Fix the tests broken by r198018 to check for private linkage of ↵Alexander Potapenko2013-12-25
| | | | | | ASan-generated globals. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198020 91177308-0d34-0410-b5e6-96231b3b80d8
* [Mips] Does not take in account 'use-soft-float' attribute's value whenSimon Atanasyan2013-12-25
| | | | | | | | consider to generate stubs for mips16 hard-float mode. The patch reviewed by Reed Kotler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198019 91177308-0d34-0410-b5e6-96231b3b80d8
* [ASan] Fix the test for __asan_gen_ globals and actually fix ↵Alexander Potapenko2013-12-25
| | | | | | | | | http://llvm.org/bugs/show_bug.cgi?id=17976 by setting the correct linkage (as stated in the bug). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198018 91177308-0d34-0410-b5e6-96231b3b80d8
* [ASan] Make sure none of the __asan_gen_ global strings end up in the symbol ↵Alexander Potapenko2013-12-25
| | | | | | | | | | | table, add a test. This should fix http://llvm.org/bugs/show_bug.cgi?id=17976 Another test checking for the global variables' locations and prefixes on Darwin will be committed separately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198017 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: decoder for AVX-512, made by Alexey Bader.Elena Demikhovsky2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198013 91177308-0d34-0410-b5e6-96231b3b80d8
* unittests/Support/ProcessTest.cpp: Don't use "windows.h". Use <windows.h> ↵NAKAMURA Takumi2013-12-25
| | | | | | instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198011 91177308-0d34-0410-b5e6-96231b3b80d8
* Support for microMIPS load effective address.Zoran Jovanovic2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198010 91177308-0d34-0410-b5e6-96231b3b80d8
* Support for microMIPS FPU instructions 2.Zoran Jovanovic2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198009 91177308-0d34-0410-b5e6-96231b3b80d8
* AVX-512: Result type of scalar SETCC is MVT::i1 for AVX-512.Elena Demikhovsky2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198008 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64]Fix a problem that the register order of fmls/fmla by element is ↵Hao Liu2013-12-25
| | | | | | | | | | | | incorrect. E.g. the codegen result is fmls v1.2s, v0.2s, v2.s[3] which is expected to be fmls v0.2s, v1.2s, v2.s[3] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198001 91177308-0d34-0410-b5e6-96231b3b80d8
* gold-plugin.cpp: Use form of <plugin-api.h>, since it is external header.NAKAMURA Takumi2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197997 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-config: Fix typo in help message introduced with r197664.NAKAMURA Takumi2013-12-25
| | | | | | Thanks, Vinson Lee! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197996 91177308-0d34-0410-b5e6-96231b3b80d8
* Add missing pattern matches to support ACLE intrinsics of AArch64 NEON.Jiangning Liu2013-12-25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197993 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the MSVC 2010 buildAlp Toker2013-12-25
| | | | | | C++11-style forward declared enums weren't supported until MSVC 2012. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197992 91177308-0d34-0410-b5e6-96231b3b80d8
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