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* Update of the 'Code Review' page. The link is now called 'Create Diff' ↵Sylvestre Ledru2013-11-111-1/+1
| | | | | | instead of 'Create Revision' git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194378 91177308-0d34-0410-b5e6-96231b3b80d8
* [autoconf] Prune "runtime" stuff in configure, corresponding to r191835.NAKAMURA Takumi2013-11-112-7/+0
| | | | | | | config.status: executing runtime/Makefile commands autoconf/install-sh: runtime/Makefile does not exist. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194376 91177308-0d34-0410-b5e6-96231b3b80d8
* [msan] Propagate origin for insertvalue, extractvalue.Evgeniy Stepanov2013-11-112-2/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194374 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Blacklist TailDuplicate passJustin Holewinski2013-11-111-0/+1
| | | | | | | | This causes issues with virtual registers. We will likely need to fix TailDuplicate in the future, or introduce a new version that plays nicely with vregs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194373 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't universally enable initialiser lists on GCC. Thanks for catching this ↵Pete Cooper2013-11-111-2/+1
| | | | | | Chandler git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194365 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVM_HAS_INITIALIZER_LISTS for upcoming C++11 support. Use it in ArrayRefPete Cooper2013-11-112-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194362 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: refactor vector list creation to be more uniformTim Northover2013-11-111-101/+55
| | | | | | | | | | | Instructions taking a vector list (e.g. "ld2 {v0.2d, v1.d2}, [x0]") need a special register-class to deal with the constraints, and C++ code to support selection. However, that C++ code can be made reasonably uniform to simplify the selection process. Hence this patch. No functionality change, so no tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194361 91177308-0d34-0410-b5e6-96231b3b80d8
* CalculateSpillWeights does not need to be a passArnaud A. de Grandmaison2013-11-107-52/+25
| | | | | | | | | | Based on discussions with Lang Hames and Jakob Stoklund Olesen at the hacker's lab, and in the light of upcoming work on the PBQP register allocator, it was though that CalcSpillWeights does not need to be a pass. This change will enable to customize / tune the spill weight computation depending on the allocator. Update the documentation style while there. No functionnal change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194356 91177308-0d34-0410-b5e6-96231b3b80d8
* Mark 36 tests as XFAIL:vg_leak in llvm/test/TableGen.NAKAMURA Takumi2013-11-1036-0/+36
| | | | | | | In historical reason, tblgen is not strictly required to be free from memory leaks. For now, I mark them as XFAIL, they could be fixed, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194353 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove 6 of XFAIL(s) in llvm/test/TableGen, since r193736. They have been ↵NAKAMURA Takumi2013-11-106-6/+3
| | | | | | XPASSing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194352 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Resurrect r191017 " GVN proceeds in the presence of dead code" plus ↵Bill Wendling2013-11-109-389/+28
| | | | | | | | | | | | | a fix to PR17307 & 17308." This causes PR17852. This reverts commit d93e8a06b2ca09ab18f390cd514b7443e2e571f7. Conflicts: test/Transforms/GVN/cond_br2.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194348 91177308-0d34-0410-b5e6-96231b3b80d8
* Use type form of getIntPtrType.Matt Arsenault2013-11-103-4/+5
| | | | | | | | This should be inconsequential and is work towards removing the default address space arguments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194347 91177308-0d34-0410-b5e6-96231b3b80d8
* SimplifyCFG has a heuristics for out-of-order processors that decides when ↵Nadav Rotem2013-11-102-1/+29
| | | | | | | | | it is worthwhile to merge branches. It tries to estimate if the operands of the instruction that we want to hoist are ready. This commit marks function arguments as 'ready' because they require no calculation. This boosts libquantum and a few other workloads from the testsuite. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194346 91177308-0d34-0410-b5e6-96231b3b80d8
* Use size function instead of manually calculating it.Matt Arsenault2013-11-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194345 91177308-0d34-0410-b5e6-96231b3b80d8
* Resolve TODO in test now that filecheck has multiple check prefixes.Matt Arsenault2013-11-101-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194344 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow multiple check prefixes in FileCheck.Matt Arsenault2013-11-1015-87/+353
| | | | | | | | This is useful if you want to run multiple variations of a single test, and the majority of check lines should be the same. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194343 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach MergeFunctions about address spacesMatt Arsenault2013-11-104-11/+112
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194342 91177308-0d34-0410-b5e6-96231b3b80d8
* IR: Refactor GEP range checks, reuse them for other parts of foldingDavid Majnemer2013-11-101-28/+51
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194341 91177308-0d34-0410-b5e6-96231b3b80d8
* Make method staticMatt Arsenault2013-11-102-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194340 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix missing C++ mode commentMatt Arsenault2013-11-101-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194339 91177308-0d34-0410-b5e6-96231b3b80d8
* Use variable for register name in testMatt Arsenault2013-11-101-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194338 91177308-0d34-0410-b5e6-96231b3b80d8
* Mostly finish up constant islands port for Mips for load constants.Reed Kotler2013-11-104-67/+364
| | | | | | | | | Still need to finish the branch part. Still lots more review of the code, clean up and testing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194337 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some unnecessary temporary strings.Benjamin Kramer2013-11-092-6/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194335 91177308-0d34-0410-b5e6-96231b3b80d8
* [arm] Refine ARMBuildAttrs.h.Logan Chien2013-11-091-6/+8
| | | | | | | | | This commit cleans up some comments in ARMBuildAttrs.h. Besides, this commit fixes an error related to AllowWMMXv1 and AllowWMMXv2 (although they are not used currently.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194327 91177308-0d34-0410-b5e6-96231b3b80d8
* [PM] Start sketching out the new module and function pass manager.Chandler Carruth2013-11-093-0/+207
| | | | | | | | | | | | | | | | | | This is still just a skeleton. I'm trying to pull together the experimentation I've done into committable chunks, and this is the first coherent one. Others will follow in hopefully short order that move this more toward a useful initial implementation. I still expect the design to continue evolving in small ways as I work through the different requirements and features needed here though. Keep in mind, all of this is off by default. Currently, this mostly exercises the use of a polymorphic smart pointer and templates to hide the polymorphism for the pass manager from the pass implementation. The next step will be more significant, adding the first framework of analysis support. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194325 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the old pass manager infrastructure into a legacy namespace andChandler Carruth2013-11-0913-111/+185
| | | | | | | | | | | | | | | | | | | give the files a legacy prefix in the right directory. Use forwarding headers in the old locations to paper over the name change for most clients during the transitional period. No functionality changed here! This is just clearing some space to reduce renaming churn later on with a new system. Even when the new stuff starts to go in, it is going to be hidden behind a flag and off-by-default as it is still WIP and under development. This patch is specifically designed so that very little out-of-tree code has to change. I'm going to work as hard as I can to keep that the case. Only direct forward declarations of the PassManager class are impacted by this change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194324 91177308-0d34-0410-b5e6-96231b3b80d8
* This exposes the new calling conventions (WebKit_JS and AnyReg) via the C ↵Filip Pizlo2013-11-091-0/+2
| | | | | | API by adding them to the enumeration in Core.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194323 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch to allow implicit construction. In many cases, we're wrappingChandler Carruth2013-11-092-1/+6
| | | | | | a derived type and this makes it *much* easier to write this code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194321 91177308-0d34-0410-b5e6-96231b3b80d8
* Test the polymorphic behavior of this utility.Chandler Carruth2013-11-091-1/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194320 91177308-0d34-0410-b5e6-96231b3b80d8
* Use something really explicit to test "move semantics" on builds withoutChandler Carruth2013-11-091-0/+4
| | | | | | | | | r-value references. I still want to test that when we have them, llvm_move is actually a move. Have I mentioned that I really want to move to C++11? ;] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194318 91177308-0d34-0410-b5e6-96231b3b80d8
* Add the critically missing 'clone' method. =]Chandler Carruth2013-11-091-0/+11
| | | | | | | | | | Clang managed to never instantiate the copy constructor. Added tests to ensure this path is tested. We could still use tests for the polymorphic nature. Those coming up next. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194317 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the test type out of the function and into the anonymous namespaceChandler Carruth2013-11-091-5/+5
| | | | | | to fix C++98 builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194316 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a polymorphic_ptr<T> smart pointer data type. It's a somewhat sillyChandler Carruth2013-11-093-0/+189
| | | | | | | | | | | | unique ownership smart pointer which is *deep* copyable by assuming it can call a T::clone() method to allocate a copy of the owned data. This is mostly useful with containers or other collections of uniquely owned data in C++98 where they *might* copy. With C++11 we can likely remove this in favor of move-only types and containers wrapped around those types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194315 91177308-0d34-0410-b5e6-96231b3b80d8
* include/llvm/CodeGen/PBQP: Update @param(s) in comments. [-Wdocumentation]NAKAMURA Takumi2013-11-095-48/+48
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194314 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix whitespace.NAKAMURA Takumi2013-11-094-41/+41
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194313 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-apply r194300 with fixes for warnings.Lang Hames2013-11-097-437/+449
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194311 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Make sure there is a chain edge dependency between loads that readAkira Hatanaka2013-11-093-10/+25
| | | | | | | | | | formal arguments on the stack and stores created afterwards. We need this to ensure tail call optimized function calls do not write over the argument area of the stack before it is read out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194309 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r194300 which broke the build.Nick Lewycky2013-11-097-448/+418
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194308 91177308-0d34-0410-b5e6-96231b3b80d8
* [Stackmap] Materialize the jump address within the patchpoint noop slide.Juergen Ributzka2013-11-099-57/+86
| | | | | | | | | | | | | | | This patch moves the jump address materialization inside the noop slide. This enables patching of the materialization itself or its complete removal. This patch also adds the ability to define scratch registers that can be used safely by the code called from the patchpoint intrinsic. At least one scratch register is required, because that one is used for the materialization of the jump address. This patch depends on D2009. Differential Revision: http://llvm-reviews.chandlerc.com/D2074 Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194306 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Move copying of global initializers below the cloning of functions."Adrian Prantl2013-11-095-163/+5
| | | | | | | | This would cause internal symbols that are only referenced by global initializers to be removed. This reverts commit 194219. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194304 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Run clang-format on file."Adrian Prantl2013-11-091-9/+14
| | | | | | This reverts commit 194219. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194303 91177308-0d34-0410-b5e6-96231b3b80d8
* Rewrite the PBQP graph data structure.Lang Hames2013-11-097-418/+448
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new graph structure replaces the node and edge linked lists with vectors. Free lists (well, free vectors) are used for fast insertion/deletion. The ultimate aim is to make PBQP graphs cheap to clone. The motivation is that the PBQP solver destructively consumes input graphs while computing a solution, forcing the graph to be fully reconstructed for each round of PBQP. This imposes a high cost on large functions, which often require several rounds of solving/spilling to find a final register allocation. If we can cheaply clone the PBQP graph and incrementally update it between rounds then hopefully we can reduce this cost. Further, once we begin pooling matrix/vector values (future work), we can cache some PBQP solver metadata and share it between cloned graphs, allowing the PBQP solver to re-use some of the computation done in earlier rounds. For now this is just a data structure update. The allocator and solver still use the graph the same way as before, fully reconstructing it between each round. I expect no material change from this update, although it may change the iteration order of the nodes, causing ties in the solver to break in different directions, and this could perturb the generated allocations (hopefully in a completely benign way). Thanks very much to Arnaud Allard de Grandmaison for encouraging me to get back to work on this, and for a lot of discussion and many useful PBQP test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194300 91177308-0d34-0410-b5e6-96231b3b80d8
* [Stackmap] Add AnyReg calling convention support for patchpoint intrinsic.Juergen Ributzka2013-11-0818-51/+504
| | | | | | | | | | | | | | The idea of the AnyReg Calling Convention is to provide the call arguments in registers, but not to force them to be placed in a paticular order into a specified set of registers. Instead it is up tp the register allocator to assign any register as it sees fit. The same applies to the return value (if applicable). Differential Revision: http://llvm-reviews.chandlerc.com/D2009 Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194293 91177308-0d34-0410-b5e6-96231b3b80d8
* increase the accuracy of register pressure computation in the presence of ↵Pedro Artigas2013-11-082-16/+36
| | | | | | dead definitions by using live intervals, if available, to identify dead definitions and proceed accordingly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194286 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: Assembly files with .cfi_cfa_def shouldn't hit llvm_unreachable()Jim Grosbach2013-11-082-1/+76
| | | | | | | | | | On darwin, when trying to create compact unwind info, a .cfi_cfa_def directive would case an llvm_unreachable() to be hit. Back off when we see this directive and generate the regular DWARF style eh_frame. rdar://15406518 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194285 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some minor issues with r194282 to get the tree healthy again.Lang Hames2013-11-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194284 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a method to get the object-file appropriate stack map section.Lang Hames2013-11-083-2/+8
| | | | | | | | Thanks to Eric Christopher for the tips on the appropriate way to do this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194282 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove dead code from LoopUnswitchHal Finkel2013-11-081-127/+0
| | | | | | | | | | | | LoopUnswitch's code simplification routine has logic to convert conditional branches into unconditional branches, after unswitching makes the condition constant, and then remove any blocks that renders dead. Unfortunately, this code is dead, currently broken, and furthermore, has never been alive (at least as far back at 2006). No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194277 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "CalculateSpillWeights does not need to be a pass"Arnaud A. de Grandmaison2013-11-087-20/+52
| | | | | | Temporarily revert my previous commit until I understand why it breaks 3 target tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194272 91177308-0d34-0410-b5e6-96231b3b80d8
* [VirtRegMap] Fix for PR17825. Do not ignore noreturn definitions when settingQuentin Colombet2013-11-082-5/+21
| | | | | | | | isPhysRegUsed if the unwind information is required. Indeed, the runtime may need a correct stack to be able to unwind the call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194271 91177308-0d34-0410-b5e6-96231b3b80d8
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