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* Teach LoopUnrollPass to respect loop unrolling hints in metadata.Eli Bendersky2014-06-11
| | | | | | | | | | | | See http://reviews.llvm.org/D4090 for more details. The Clang change that produces this metadata was committed in r210667 Patch by Mark Heffernan. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210721 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Add support for the sqrt intrinsic.Juergen Ributzka2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210720 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Add support for the frameaddress intrinsic.Juergen Ributzka2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210709 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Basic Sched Model for Cortex-A57.Chad Rosier2014-06-11
| | | | | | | Patch by Dave Estes<cestes@codeaurora.org> Differential Revision: http://reviews.llvm.org/D4008 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210705 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: honor hex immediate formatting for ldr/str i12 offsets.Jim Grosbach2014-06-11
| | | | | | | | | | | | | | | | | Previously we would always print the offset as decimal, regardless of the formatting requested. Now we use the formatImm() helper so the value is printed as the client (LLDB in the motivating example) requested. Before: ldr.w r8, [sp, #180] @ always After: ldr.w r8, [sp, #0xb4] @ when printing hex immediates ldr.w r8, [sp, #0180] @ when printing decimal immediates rdar://17237103 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210701 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add option for prefering hex format disassembly.Jim Grosbach2014-06-11
| | | | | | | | | Previously there was a separate mode entirely (--hdis vs. --disassemble). It makes a bit more sense for the immediate printing style to be a flag for --disassmeble rather than an entirely different thing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210700 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Fix bitcast between v2i32 and f64Matt Arsenault2014-06-11
| | | | | | | | | | This is the same problem fixed in r210664 for more types. The test passes without this fix. For some reason I'm only hitting this when creating selects lowered to v2i32 selects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210692 91177308-0d34-0410-b5e6-96231b3b80d8
* Use std::error_code instead of llvm::error_code.Rafael Espindola2014-06-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea of this patch is to turn llvm/Support/system_error.h into a transitional header that just brings in the erorr_code api to the llvm namespace. I will remove it shortly afterwards. The cases where the general idea needed some tweaking: * std::errc is a namespace in msvc, so we cannot use "using std::errc". I could add an #ifdef, but there were not that many uses, so I just added std:: to them in this patch. * Template specialization had to be moved to the std namespace in this patch set already. * The msvc implementation of default_error_condition doesn't seem to provide the same transformations as we need. Not too surprising since the standard doesn't actually say what "equivalent" means. I fixed the problem by keeping our old mapping and using it at error_code construction time. Despite these shortcomings I think this is still a good thing. Some reasons: * The different implementations of system_error might improve over time. * It removes 925 lines of code from llvm already. * It removes 6313 bytes from the text segment of the clang binary when it is built with gcc and 2816 bytes when building with clang and libstdc++. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210687 91177308-0d34-0410-b5e6-96231b3b80d8
* [Reassociate] FileCheckize and cleanup a few testcases. No functional changeChad Rosier2014-06-11
| | | | | | intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210685 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add common 64-bit LDS atomicsMatt Arsenault2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210680 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add 32-bit LDS atomic cmpxchgMatt Arsenault2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210678 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Use LDS atomic inc / decMatt Arsenault2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210677 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Add other LDS atomic operationsMatt Arsenault2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210676 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Fix backwards names for local atomic instructions.Matt Arsenault2014-06-11
| | | | | | | The manual lists them as *_RTN_U32, not *_U32_RTN, which is more consistent with how every other sized instruction is named. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210674 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Refactor local atomics.Matt Arsenault2014-06-11
| | | | | | | Use patterns that will also match the immediate offset to match the normal read / writes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210673 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Use v_cvt_f32_ubyte* instructionsMatt Arsenault2014-06-11
| | | | | | | This eliminates extra extract instructions when loading an i8 vector to a float vector. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210666 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Fix selection failure on scalar_to_vectorMatt Arsenault2014-06-11
| | | | | | | | | | | There seem to be only 2 places that produce these, and it's kind of tricky to hit them. Also fixes failure to bitcast between i64 and v2f32, although this for some reason wasn't actually broken in the simple bitcast testcase, but did in the scalar_to_vector one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210664 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips][mips64r6] Improve tests affected by the changes to multiplies and dividesDaniel Sanders2014-06-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: MIPS32r6/MIPS64r6 support has not been added yet. inlineasm-cnstrnt-reg.ll: Explicitly specify the CPU since it will not work on MIPS32r6/MIPS64r6 when -integrated-as is the default. We can't change the mnemonic since the LO register is an implicit def of mtlo and MIPS32r6/MIPS64r6 has no instructions that use LO. 2008-08-01-AsmInline.ll: Explicitly specify the CPU since MIPS32r6/MIPS64r6 will correctly emit different code and this is a regression test. mips64instrs.ll and mips64muldiv.ll Check registers and the way the multiply is used in m1 divrem.ll Check registers and use multiple filecheck prefixes to limit redundancy Reviewers: vmedic, jkolek, zoran.jovanovic, matheusalmeida Reviewed By: matheusalmeida Subscribers: matheusalmeida Differential Revision: http://reviews.llvm.org/D3894 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210656 91177308-0d34-0410-b5e6-96231b3b80d8
* [mips] Implement jr.hb and jalr.hb (Jump Register and Jump and Link Register ↵Matheus Almeida2014-06-11
| | | | | | | | | | | | | | with Hazard Barrier). Summary: These instructions are available in ISAs >= mips32/mips64. For mips32r6/mips64r6, jr.hb has a new encoding format. Reviewers: dsanders Reviewed By: dsanders Differential Revision: http://reviews.llvm.org/D4019 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210654 91177308-0d34-0410-b5e6-96231b3b80d8
* Add AVX512 masked leadz instrinsic support.Cameron McInally2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210652 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve the test for inlining of __no_debug__ functions.Evgeniy Stepanov2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210645 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Refactor the logic to select horizontal adds/subs to a helper function.Andrea Di Biagio2014-06-11
| | | | | | | | | | | | | | | | | This patch moves part of the logic implemented by the target specific combine rules added at r210477 to a separate helper function. This should make easier to add more rules for matching AVX/AVX2 horizontal adds/subs. This patch also fixes a problem caused by a wrong check performed on indices of extract_vector_elt dag nodes in input to the scalar adds/subs. New tests have been added to verify that we correctly check indices of extract_vector_elt dag nodes when selecting a horizontal operation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210644 91177308-0d34-0410-b5e6-96231b3b80d8
* Global merge for global symbols.Jiangning Liu2014-06-11
| | | | | | | | | This commit is to improve global merge pass and support global symbol merge. The global symbol merge is not enabled by default. For aarch64, we need some more back-end fix to make it really benifit ADRP CSE. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210640 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename global-merge to enable-global-merge.Jiangning Liu2014-06-11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210639 91177308-0d34-0410-b5e6-96231b3b80d8
* [FastISel][X86] Extend support for {s|u}{add|sub|mul}.with.overflow intrinsics.Juergen Ributzka2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210610 91177308-0d34-0410-b5e6-96231b3b80d8
* Rearrange the CHECK lines in this test to make failure more obvious.Reid Kleckner2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210575 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Patch by Ray Donnelly to print register names instead of numbers."Reid Kleckner2014-06-10
| | | | | | | | | | | | | This reverts commit r206683. The code was confusing SEH register numbers with DWARF register numbers. The test case it was committed with was obviously incorrect. The disassembler was roundtripping '.seh_pushreg %rsi' as '.seh_pushreg %rbp', and other exciting things. Noticed by Vadim Chugunov. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210574 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix error in tablegen when either operand of !if is an empty list.Matt Arsenault2014-06-10
| | | | | | !if([Something], []) would error with "No type for list". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210572 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Use BCNT_INT for evergreenMatt Arsenault2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210569 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Implement i64 ctpopMatt Arsenault2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210568 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Use bcnt instruction for ctpopMatt Arsenault2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210567 91177308-0d34-0410-b5e6-96231b3b80d8
* R600: Handle fcopysignMatt Arsenault2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210564 91177308-0d34-0410-b5e6-96231b3b80d8
* R600/SI: Handle sign_extend and zero_extend to i64 with patterns.Matt Arsenault2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210563 91177308-0d34-0410-b5e6-96231b3b80d8
* Do Materialize Floating Point in Mips Fast-IselReed Kotler2014-06-10
| | | | | | | | | | | | | | | | | Summary: Implement materialize of floating point literals in Mips Fast-Isel Reopened version of D3659 Test Plan: simplestorefp1.ll Reviewers: dsanders Reviewed By: dsanders Differential Revision: http://reviews.llvm.org/D4071 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210546 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] Improved target combine rules for selecting horizontal add/sub.Andrea Di Biagio2014-06-10
| | | | | | | | | | | | | | | This patch slightly changes the algorithm introduced at revision 210477 to fix a problem where the algorithm was producing incorrect code for the VEX.256 encoded versions of horizontal add/sub. For these cases, we now try to split the two 256-bit vectors into 128-bit chunks before emitting horizontal add/sub dag nodes. Added a new test case into haddsub-2.ll. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210545 91177308-0d34-0410-b5e6-96231b3b80d8
* [X86] AVX512: Add vmovntdqaAdam Nemet2014-06-10
| | | | | | Along with the corresponding intrinsic and tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210543 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a bug in the Thumb1 ARM Load/Store optimizerRenato Golin2014-06-10
| | | | | | | | | | | | | | Previously, the basic block was searched for future uses of the base register, and if necessary any writeback to the base register was reset using a SUB instruction (e.g. before calling a function) just before such a use. However, this step happened *before* the merged LDM/STM instruction was built. So if there was (e.g.) a function call directly after the not-yet-formed LDM/STM, the pass would first insert a SUB instruction to reset the base register, and then (at the same location, incorrectly) insert the LDM/STM itself. This patch fixes PR19972. Patch by Moritz Roth. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210542 91177308-0d34-0410-b5e6-96231b3b80d8
* SelectionDAG: Don't use MVT::Other to determine legality of ISD::SELECT_CCTom Stellard2014-06-10
| | | | | | | | | | | | | The SelectionDAG bad a special case for ISD::SELECT_CC, where it would allow targets to specify: setOperationAction(ISD::SELECT_CC, MVT::Other, Expand); to indicate that they wanted to expand ISD::SELECT_CC for all types. This wasn't applied correctly everywhere, and it makes writing new DAG patterns with ISD::SELECT_CC difficult. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210541 91177308-0d34-0410-b5e6-96231b3b80d8
* SelectionDAG: Expand SELECT_CC to SELECT + SETCCTom Stellard2014-06-10
| | | | | | | | This consolidates code from the Hexagon, R600, and XCore targets. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210539 91177308-0d34-0410-b5e6-96231b3b80d8
* [PPC64LE] Recognize shufflevector patterns for little endianBill Schmidt2014-06-10
| | | | | | | | | | | | | | | | | | Various masks on shufflevector instructions are recognizable as specific PowerPC instructions (vector pack, vector merge, etc.). There is existing code in PPCISelLowering.cpp to recognize the correct patterns for big endian code. The masks for these instructions are different for little endian code due to the big-endian numbering employed by these instructions. This patch adds the recognition code for little endian. I've added a new test case test/CodeGen/PowerPC/vec_shuffle_le.ll for this. The existing recognizer test (vec_shuffle.ll) is unnecessarily verbose and difficult to read, so I felt it was better to add a new test rather than modify the old one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210536 91177308-0d34-0410-b5e6-96231b3b80d8
* [AArch64] Emit .ident compiler version attribute.Chad Rosier2014-06-10
| | | | | | Patch by Ana Pazos<apazos@codeaurora.org>! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210535 91177308-0d34-0410-b5e6-96231b3b80d8
* Condition codes AL and NV are invalid in the aliases that useArtyom Skrobov2014-06-10
| | | | | | | | | | | | | | | | inverted condition codes (CINC, CINV, CNEG, CSET, and CSETM). Matching aliases based on "immediate classes", when disassembling, wasn't previously supported, hence adding MCOperandPredicate into class Operand, and implementing the support for it in AsmWriterEmitter. The parsing for those aliases was already custom, so just adding the missing condition into AArch64AsmParser::parseCondCode. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210528 91177308-0d34-0410-b5e6-96231b3b80d8
* Anonymous definitions in foreach blocks triggered a 'def already exists'Artyom Skrobov2014-06-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210526 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: disallow x30 & x29 as the destination for indirect tail callsTim Northover2014-06-10
| | | | | | | | As Ana Pazos pointed out, these have to be restored to their incoming values before a function returns; i.e. before the tail call. So they can't be used correctly as the destination register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210525 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "X86: elide comparisons after cmpxchg instructions."Tim Northover2014-06-10
| | | | | | | This reverts commit r210523. It was committed prematurely without waiting for review. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210524 91177308-0d34-0410-b5e6-96231b3b80d8
* X86: elide comparisons after cmpxchg instructions.Tim Northover2014-06-10
| | | | | | | | | | | | | | | The C++ and C semantics of the compare_and_swap operations actually require us to return a boolean "success" value. In LLVM terms this means a second comparison of the output of "cmpxchg" against the input desired value. However, x86's "cmpxchg" instruction sets all flags for the comparison formed, so we can skip any secondary comparison. (N.b. this isn't true for cmpxchg8b/16b, which only set ZF). rdar://problem/13201607 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210523 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: teach FastISel how to handle offset FrameIndicesTim Northover2014-06-10
| | | | | | | | | | Previously we were abandonning the attempt, leading to some combination of extra work (when selection of a load/store fails completely) and inferior code (when this leads to a real memcpy call instead of inlining). rdar://problem/17187463 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210520 91177308-0d34-0410-b5e6-96231b3b80d8
* AArch64: make FastISel memcpy emission more robust.Tim Northover2014-06-10
| | | | | | | | | | We were hitting an assert if FastISel couldn't create the load or store we requested. Currently this happens for large frame-local addresses, though CodeGen could be improved there. rdar://problem/17187463 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210519 91177308-0d34-0410-b5e6-96231b3b80d8
* [ConstantHoisting][X86] Improve the cost model for small constants with ↵Juergen Ributzka2014-06-10
| | | | | | | | | | | large types (i64 and above). This improves the X86 cost model for small constants with large types. Before this commit we would even hoist trivial constants such as i96 2. This is related to <rdar://problem/17070936> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210504 91177308-0d34-0410-b5e6-96231b3b80d8
* Reduce verbiage of lit.local.cfg filesAlp Toker2014-06-09
| | | | | | We can just split targets_to_build in one place and make it immutable. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210496 91177308-0d34-0410-b5e6-96231b3b80d8
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