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* Fix .cpp files claiming to be header filesHans Wennborg2014-06-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211334 91177308-0d34-0410-b5e6-96231b3b80d8
* [x86] Make the x86 PACKSSWB, PACKSSDW, PACKUSWB, and PACKUSDWChandler Carruth2014-06-20
| | | | | | | | | | | | | | | instructions available as synthetic SDNodes PACKSS and PACKUS that will select to the correct instruction variants based on the return type. This allows us to use these rather important instructions when lowering vector shuffles. Also moves the relevant instruction definitions to be split out from the fully generic multiclasses to allow them to match these new SDNodes in the same way that the UNPCK instructions do. No functionality should actually be changed here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211332 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't build switch lookup tables for dllimport or TLS variablesHans Wennborg2014-06-20
| | | | | | | | | | | | | We would previously put dllimport variables in switch lookup tables, which doesn't work because the address cannot be used in a constant initializer. This is basically the same problem that we have in PR19955. Putting TLS variables in switch tables also desn't work, because the address of such a variable is not constant. Differential Revision: http://reviews.llvm.org/D4220 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211331 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Add StringMap::insert(pair) consistent with the standard associative ↵Rafael Espindola2014-06-20
| | | | | | | | | | | | container concept." This reverts commit r211309. It looks like it broke some bots: http://lab.llvm.org:8011/builders/clang-x86_64-ubuntu-gdb-75/builds/15563/steps/compile/logs/stdio git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211328 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
* 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
* 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
* 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
* 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
* 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 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 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
* 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
* 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
* 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
* 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
* Make instsimplify's analysis of icmp eq/ne use computeKnownBits to determine ↵Nick Lewycky2014-06-19
| | | | | | whether the icmp is always true or false. Patch by Suyog Sarda! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211251 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove redundant code in InstCombineShift, no functionality change because ↵Nick Lewycky2014-06-19
| | | | | | instsimplify already does this and instcombine calls instsimplify a few lines above. Patch by Suyog Sarda! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211250 91177308-0d34-0410-b5e6-96231b3b80d8
* MS asm: Properly handle quoted symbol namesDavid Majnemer2014-06-19
| | | | | | | | | | | | | We would get confused by '@' characters in symbol names, we would mistake the text following them for the variant kind. When an identifier a string, the variant kind will never show up inside of it. Instead, check to see if there is a variant following the string. This fixes PR19965. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211249 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add intrinsics for various math instructions.Matt Arsenault2014-06-19
| | | | | | | | These will be used for custom lowering and for library implementations of various math functions, so it's useful to expose these as builtins. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211247 91177308-0d34-0410-b5e6-96231b3b80d8
* Move ARMJITInfo off of the TargetMachine and down onto the subtarget.Eric Christopher2014-06-18
| | | | | | | | | This required untangling a mess of headers that included around. This a recommit of r210953 with a fix for the removed accessor for JITInfo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211233 91177308-0d34-0410-b5e6-96231b3b80d8
* Use stdint macros for specifying size of constantsMatt Arsenault2014-06-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211231 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach llvm-size to know about Mach-O universal files (aka fat files) andKevin Enderby2014-06-18
| | | | | | | | | | | fat files containing archives. Also fix a bug in MachOUniversalBinary::ObjectForArch::ObjectForArch() where it needed a >= when comparing the Index with the number of objects in a fat file. As the index starts at 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211230 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Handle fnearbyintMatt Arsenault2014-06-18
| | | | | | | | The difference from rint isn't really relevant here, so treat them as equivalent. OpenCL doesn't have nearbyint, so this is sort of pointless other than for completeness. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211229 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: add gather4 and getlod intrinsics (v3)Marek Olsak2014-06-18
| | | | | | | | | | This contains all the previous patches + getlod support on top of it. It doesn't use SDNodes anymore, so it's quite small. It also adds v16i8 to SReg_128, which is used for the sampler descriptor. Reviewed-by: Tom Stellard git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211228 91177308-0d34-0410-b5e6-96231b3b80d8
* Use LL suffix for literal that should be 64-bits.Matt Arsenault2014-06-18
| | | | | | This hopefully fixes Windows git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211225 91177308-0d34-0410-b5e6-96231b3b80d8
* MC: do not add comment string to the AsmToken in AsmLexer::LexLineCommentSaleem Abdulrasool2014-06-18
| | | | | | | | Fixes macros with varargs if the macro instantiation has a trailing comment. Patch by Janne Grunau! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211219 91177308-0d34-0410-b5e6-96231b3b80d8
* MCAsmParser: full support for gas' '.if{cond} expression' directivesSaleem Abdulrasool2014-06-18
| | | | | | Patch by Janne Grunau! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211218 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace Execution Engine's mutex with std::recursive_mutex.Zachary Turner2014-06-18
| | | | | | | | | | | | | This change has a bit of a trickle down effect due to the fact that there are a number of derived implementations of ExecutionEngine, and that the mutex is not tightly encapsulated so is used by other classes directly. Reviewed by: rnk Differential Revision: http://reviews.llvm.org/D4196 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211214 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert a C API difference that I incorrectly introduced.Rafael Espindola2014-06-18
| | | | | | | LLVMGetBitcodeModuleInContext should not take ownership on error. I will try to localize this odd api requirement, but this should get the bots green. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211213 91177308-0d34-0410-b5e6-96231b3b80d8
* Make getBaseObject static.Rafael Espindola2014-06-18
| | | | | | Thanks to David Majnemer for noticing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211208 91177308-0d34-0410-b5e6-96231b3b80d8
* Change IRObjectFile to parse the bitcode lazily.Rafael Espindola2014-06-18
| | | | | | | The main point of this class is to provide a cheap object interface to a bitcode file, so it has to be as lazy as possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211207 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove BitcodeReader::setBufferOwned.Rafael Espindola2014-06-18
| | | | | | | | | | We do have use cases for the bitcode reader owning the buffer or not, but we always know which one we have when we construct it. It might be possible to simplify this further, but this is a step in the right direction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211205 91177308-0d34-0410-b5e6-96231b3b80d8
* Simply test for available locations in optimization remarks.Diego Novillo2014-06-18
| | | | | | | | | | | | | | | | | When emitting optimization remarks, we test for the presence of instruction locations by testing for a valid llvm.dbg.cu annotation. This is slightly inefficient because we can simply ask whether the debug location we have is known or not. Additionally, if my current plan works, I will need to remove the llvm.dbg.cu annotation from the IL (or prevent it from being generated) when -Rpass is used without -g. In those cases, we'll want to generate line tables but we will want to prevent code generation from emitting DWARF code for them. Tested on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211204 91177308-0d34-0410-b5e6-96231b3b80d8
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