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* The gold plugin doesn't need disassemblers.Rafael Espindola2014-06-19
| | | | | | | | Back in r128440 tools/LTO started exporting the disassembler interface. It was never clear why, but whatever the reason I am pretty sure it doesn't hold for tools/gold. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211325 91177308-0d34-0410-b5e6-96231b3b80d8
* Set gold plugin options in a sane order.Rafael Espindola2014-06-19
| | | | | | | | | | | This fixes the processing of --plugin-opt=-jump-table-type=arity. Nice properties: * We call InitTargetOptionsFromCodeGenFlags once. * We call parseCodeGenDebugOptions once. * It works :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211322 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the output of llvm-nm for Mach-O files to use the characters ‘d’ and ↵Kevin Enderby2014-06-19
| | | | | | | | | ‘b’ for data and bss symbols instead of the generic ’s’ for a symbol in a section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211321 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify. No functionality change.Rafael Espindola2014-06-19
| | | | | | Thanks to Alp Toker for noticing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211320 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the assignment operator.Rafael Espindola2014-06-19
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211319 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce indentation. No functionality change.Rafael Espindola2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211318 91177308-0d34-0410-b5e6-96231b3b80d8
* Set missing options in LTOCodeGenerator::setTargetOptions.Rafael Espindola2014-06-19
| | | | | | Patch by Tom Roeder, I just added the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211317 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the output of llvm-nm and llvm-size for Mach-O universal files (akaKevin Enderby2014-06-19
| | | | | | | | | | | fat files) to print “ (for architecture XYZ)” for fat files with more than one architecture to be like what the darwin tools do for fat files. Also clean up the Mach-O printing of archive membernames in llvm-nm to use the darwin form of "libx.a(foo.o)". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211316 91177308-0d34-0410-b5e6-96231b3b80d8
* Use lib/LTO directly in the gold plugin.Rafael Espindola2014-06-19
| | | | | | | | | | | | | | | | | | | | The tools/lto API is not the best choice for implementing a gold plugin. Among other issues: * It is an stable ABI. Old errors stay and we have to be really careful before adding new features. * It has to support two fairly different linkers: gold and ld64. * We end up with a plugin that depends on a shared lib, something quiet unusual in LLVM land. * It hides LLVM. For some features in the gold plugin it would be really nice to be able to just get a Module or a GlobalValue. This change is intended to be a very direct translation from the C API. It will just enable other fixes and cleanups. Tested with a LTO bootstrap on linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211315 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a new subtarget hook for whether or not we'd like to enableEric Christopher2014-06-19
| | | | | | | | | the atomic load linked expander pass to run for a particular subtarget. This requires a check of the subtarget and so save the TargetMachine rather than only TargetLoweringInfo and update all callers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211314 91177308-0d34-0410-b5e6-96231b3b80d8
* Include Threading.h instead of forward declaring a function.Zachary Turner2014-06-19
| | | | | | | | Previously this led to a circular header dependency, but a recent change has since removed this dependency, so the correct fix is to simply include the header rather than forward declare. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211311 91177308-0d34-0410-b5e6-96231b3b80d8
* Add StringMap::insert(pair) consistent with the standard associative ↵David Blaikie2014-06-19
| | | | | | | | container concept. Patch by Agustín Bergé. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211309 91177308-0d34-0410-b5e6-96231b3b80d8
* Since we're using DW_AT_string rather than DW_AT_strp for debug_infoEric Christopher2014-06-19
| | | | | | | | for assembly files we can't depend on the offset within the section after a string since it could be different between producers etc. Relax these tests accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211308 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up a few formatting issues.Eric Christopher2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211307 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove an incorrect fixme.Rafael Espindola2014-06-19
| | | | | | | dynamic-no-pic is just another output type. If gnu ld gets support for MachO, it should also add something like LDPO_DYN_NO_PIC to the plugin interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211305 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typosAlp Toker2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211304 91177308-0d34-0410-b5e6-96231b3b80d8
* Support: Add llvm::sys::fs::copy_fileJustin Bogner2014-06-19
| | | | | | A function to copy one file's contents to another. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211302 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove bogus configure checkDavid Greene2014-06-19
| | | | | | | Configure creates makefiles, so it doesn't make sense to check for them to see if we can configure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211301 91177308-0d34-0410-b5e6-96231b3b80d8
* Add option to keep flavor out of the install directoryDavid Greene2014-06-19
| | | | | | | | Sometimes we want to install things in "standard" locations and the flavor directories interfere with that. Add an option to keep them out of the install path. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211300 91177308-0d34-0410-b5e6-96231b3b80d8
* Turn of -Werror by defaultDavid Greene2014-06-19
| | | | | | Don't build with -Werror unless asked to. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211299 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix this test a little harder - use llc_dwarf to make sure we don'tEric Christopher2014-06-19
| | | | | | try to execute it on windows. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211298 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused includes following r211294Alp Toker2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211297 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the c++ APIs.Rafael Espindola2014-06-19
| | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211294 91177308-0d34-0410-b5e6-96231b3b80d8
* Relax this test a bit, we don't need the full contents of theEric Christopher2014-06-19
| | | | | | frame section to match, just the version for this test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211293 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove use of removed function, llvm_stop_multithreadingDavid Blaikie2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211291 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove circular header reference in Threading.h/Mutex.hDavid Blaikie2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211290 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix build on non-Windows platforms.Zachary Turner2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211288 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove support for LLVM runtime multi-threading.Zachary Turner2014-06-19
| | | | | | | | | | | | | After a number of previous small iterations, the functions llvm_start_multithreaded() and llvm_stop_multithreaded() have been reduced essentially to no-ops. This change removes them entirely. Reviewed by: rnk, dblaikie Differential Revision: http://reviews.llvm.org/D4216 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211287 91177308-0d34-0410-b5e6-96231b3b80d8
* DebugInfo: Fission: Ensure the address pool entries for location lists are ↵David Blaikie2014-06-19
| | | | | | | | | emitted. The address pool was being emitted before location lists. The latter could add more entries to the pool which would be lost/never emitted. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211284 91177308-0d34-0410-b5e6-96231b3b80d8
* MCNullStreamer: assign file IDs to resolve crashes and errorsAlp Toker2014-06-19
| | | | | | | | | | Use the MCStreamer base implementations for file ID tracking instead of overriding them as no-ops. Avoids assertions when streaming Dwarf debug info, and fixes ASM parsing of loc and file directives. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211282 91177308-0d34-0410-b5e6-96231b3b80d8
* [ValueTracking] Extend range metadata to call/invokeJingyue Wu2014-06-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: With this patch, range metadata can be added to call/invoke including IntrinsicInst. Previously, it could only be added to load. Rename computeKnownBitsLoad to computeKnownBitsFromRangeMetadata because range metadata is not only used by load. Update the language reference to reflect this change. Test Plan: Add several tests in range-2.ll to confirm the verifier is happy with having range metadata on call/invoke. Add two tests in AddOverFlow.ll to confirm annotating range metadata to call/invoke can benefit InstCombine. Reviewers: meheff, nlewycky, reames, hfinkel, eliben Reviewed By: eliben Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D4187 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211281 91177308-0d34-0410-b5e6-96231b3b80d8
* Tests for r211273Oliver Stannard2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211279 91177308-0d34-0410-b5e6-96231b3b80d8
* Kill the LLVM global lock.Zachary Turner2014-06-19
| | | | | | | | | | | | | | This patch removes the LLVM global lock, and updates all existing users of the global lock to use their own mutex. None of the existing users of the global lock were protecting code that was mutually exclusive with any of the other users of the global lock, so its purpose was not being met. Reviewed by: rnk Differential Revision: http://reviews.llvm.org/D4142 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211277 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit DWARF info for all code section in an assembly fileOliver Stannard2014-06-19
| | | | | | | | | | Currently, when using llvm as an assembler, DWARF debug information is only generated for the .text section. This patch modifies this so that DWARF info is emitted for all executable sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211273 91177308-0d34-0410-b5e6-96231b3b80d8
* Emit DWARF3 call frame information when DWARF3+ debug info is requestedOliver Stannard2014-06-19
| | | | | | | | | | | | | | | | | | Currently, llvm always emits a DWARF CIE with a version of 1, even when emitting DWARF 3 or 4, which both support CIE version 3. This patch makes it emit the newer CIE version when we are emitting DWARF 3 or 4. This will not reduce compatibility, as we already emit other DWARF3/4 features, and is worth doing as the DWARF3 spec removed some ambiguities in the interpretation of call frame information. It also fixes a minor bug where the "return address" field of the CIE was encoded as a ULEB128, which is only valid when the CIE version is 3. There are no test changes for this, because (as far as I can tell) none of the platforms that we test have a return address register with a DWARF register number >127. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211272 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Implementation of dli.Matheus Almeida2014-06-19
| | | | | | | | | | | | Patch by David Chisnall His work was sponsored by: DARPA, AFRL Some small modifications to the original patch: we now error if it's not possible to expand an instruction (mips-expansions-bad.s has some examples). Added some comments to the expansions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211271 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Small update to the logic behind the expansion of assembly pseudo ↵Matheus Almeida2014-06-19
| | | | | | | | | | | | | | | | instructions. Summary: The functions that do the expansion now return false on success and true otherwise. This is so we can catch some errors during the expansion (e.g.: immediate too large). The next patch adds some test cases. Reviewers: vmedic Reviewed By: vmedic Differential Revision: http://reviews.llvm.org/D4214 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211269 91177308-0d34-0410-b5e6-96231b3b80d8
* Updated comments as suggested by Rafael. Thanks.Dinesh Dwivedi2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211268 91177308-0d34-0410-b5e6-96231b3b80d8
* Added instruction combine to transform few more negative values addition to ↵Dinesh Dwivedi2014-06-19
| | | | | | | | | | | | | | subtraction (Part 1) This patch enables transforms for following patterns. (x + (~(y & c) + 1) --> x - (y & c) (x + (~((y >> z) & c) + 1) --> x - ((y>>z) & c) Differential Revision: http://reviews.llvm.org/D3733 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211266 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Teach how to combine horizontal binop even in the presence of undefs.Andrea Di Biagio2014-06-19
| | | | | | | | | | | | | | | | Before this change, the backend was unable to fold a build_vector dag node with UNDEF operands into a single horizontal add/sub. This patch teaches how to combine a build_vector with UNDEF operands into a horizontal add/sub when possible. The algorithm conservatively avoids to combine a build_vector with only a single non-UNDEF operand. Added test haddsub-undef.ll to verify that we correctly fold horizontal binop even in the presence of UNDEFs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211265 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactored and updated SimplifyUsingDistributiveLaws() to Dinesh Dwivedi2014-06-19
| | | | | | | | | | | | | | * Find factorization opportunities using identity values. * Find factorization opportunities by treating shl(X, C) as mul (X, shl(C)) * Keep NSW flag while simplifying instruction using factorization. This fixes PR19263. Differential Revision: http://reviews.llvm.org/D3799 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211261 91177308-0d34-0410-b5e6-96231b3b80d8
* CommandLine: bail out when options get multiply registeredAlp Toker2014-06-19
| | | | | | | | | | These errors are strictly unrecoverable and indicate serious issues such as conflicting option names or an incorrectly linked LLVM distribution. With this change, the errors actually get detected so tests don't pass silently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211260 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove OwningPtr.h and associated testsAlp Toker2014-06-19
| | | | | | llvm::OwningPtr is superseded by std::unique_ptr. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211259 91177308-0d34-0410-b5e6-96231b3b80d8
* InstCombine: Stop two transforms duelingDavid Majnemer2014-06-19
| | | | | | | | | | | | | | | | | | | | | | InstCombineMulDivRem has: // Canonicalize (X+C1)*CI -> X*CI+C1*CI. InstCombineAddSub has: // W*X + Y*Z --> W * (X+Z) iff W == Y These two transforms could fight with each other if C1*CI would not fold away to something simpler than a ConstantExpr mul. The InstCombineMulDivRem transform only acted on ConstantInts until r199602 when it was changed to operate on all Constants in order to let it fire on ConstantVectors. To fix this, make this transform more careful by checking to see if we actually folded away C1*CI. This fixes PR20079. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211258 91177308-0d34-0410-b5e6-96231b3b80d8
* Move -dwarf-version to an MC level command line option so it'sEric Christopher2014-06-19
| | | | | | | used by all of the MC level tools and codegen. Fix up all uses in the compiler to use this and set it on the context accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211257 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary include.Eric Christopher2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211256 91177308-0d34-0410-b5e6-96231b3b80d8
* 80-column fixups.Eric Christopher2014-06-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211255 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert some assert(0) to llvm_unreachable or fold an 'if' condition into ↵Craig Topper2014-06-19
| | | | | | the assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211254 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Add a few tests I forgot to add.Matt Arsenault2014-06-19
| | | | | | These belong with r210827 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211253 91177308-0d34-0410-b5e6-96231b3b80d8
* Move optimization of some cases of (A & C1)|(B & C2) from instcombine to ↵Nick Lewycky2014-06-19
| | | | | | instsimplify. Patch by Rahul Jain, plus some last minute changes by me -- you can blame me for any bugs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211252 91177308-0d34-0410-b5e6-96231b3b80d8
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