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* Add writeonly IR attributeNicolai Haehnle2016-07-0430-48/+194
| | | | | | | | | | | | | | | | | Summary: This complements the earlier addition of IntrWriteMem and IntrWriteArgMem LLVM intrinsic properties, see D18291. Also start using the attribute for memset, memcpy, and memmove intrinsics, and remove their special-casing in BasicAliasAnalysis. Reviewers: reames, joker.eph Subscribers: joker.eph, llvm-commits Differential Revision: http://reviews.llvm.org/D18714 llvm-svn: 274485
* [AVX512] Modify what indices we emit for the zero vector we use for zero ↵Craig Topper2016-07-042-2/+3
| | | | | | extension of the result of a v2i1 or v4i1 masked compare. This way we emit something that the backend easily interprets as a concatenation rather than a true shuffle. This delivers slightly better codegen with the current backend capabilities. llvm-svn: 274484
* [CodeGen] Make the code that detects a if a shuffle is really a ↵Craig Topper2016-07-042-39/+41
| | | | | | | | | | concatenation of the inputs more general purpose. We can now handle concatenation of each source multiple times. The previous code just checked for each source to appear once in either order. This also now handles an entire source vector sized piece having undef indices correctly. We now concat with UNDEF instead of using one of the sources. This is responsible for the test case change. llvm-svn: 274483
* __kmp_partition_places: Update assertion for new parameter update_master_onlyJonas Hahnfeld2016-07-041-2/+2
| | | | | | | | | | | | If update_master_only is set the place list is not completely traversed and therefore this assertion failed. Make it only trigger if update_master_only is false. (was introduced by D20539) Differential Revision: http://reviews.llvm.org/D21925 llvm-svn: 274482
* Reformat blank lines.NAKAMURA Takumi2016-07-042-11/+10
| | | | llvm-svn: 274481
* Reformat comment lines.NAKAMURA Takumi2016-07-042-9/+9
| | | | llvm-svn: 274480
* Untabify.NAKAMURA Takumi2016-07-043-6/+5
| | | | llvm-svn: 274479
* Reformat.NAKAMURA Takumi2016-07-042-32/+30
| | | | llvm-svn: 274478
* [Sema] A flexible array member must not be the only named memberDavid Majnemer2016-07-042-4/+8
| | | | | | | | | We didn't correctly detect situations where a flexible array member was the only named member in a record. This fixes PR28407. llvm-svn: 274477
* [X86] Add shuffle mask rescaling helper function. NFCI.Simon Pilgrim2016-07-031-12/+26
| | | | llvm-svn: 274476
* [AST] Use ArrayRef in more interfacesDavid Majnemer2016-07-037-117/+77
| | | | | | | | ArrayRef is a little better than passing around a pointer/length pair. No functional change is intended. llvm-svn: 274475
* [X86][AVX2] Merge unary permute matching behind the same V2.isUndef() ↵Simon Pilgrim2016-07-031-9/+8
| | | | | | condition. NFCI. llvm-svn: 274474
* [X86][AVX512] Add support for 512-bit shuffle lowering to VPERMPD/VPERMQSimon Pilgrim2016-07-032-89/+78
| | | | llvm-svn: 274473
* [CodeGen] Teach OR combine of shuffles involving zero vectors to better ↵Craig Topper2016-07-032-11/+12
| | | | | | | | handle undef indices. Undef indices can now be treated as zeros. Or if its undef ORed with zero, we will keep the undef. llvm-svn: 274472
* [X86] Add tests to show that the DAG combine for OR of shuffles with zero ↵Craig Topper2016-07-031-0/+28
| | | | | | vectors doesn't handle undefs as well as it could. Fix coming in another commit. llvm-svn: 274471
* [MBB] add a missing corner case in UpdateTerminator()Haicheng Wu2016-07-032-10/+77
| | | | | | | | | | After the block placement, if a block ends with a conditional branch, but the next block is not its successor. The conditional branch should be changed to unconditional branch. This patch fixes PR28307, PR28297, PR28402. Differential Revision: http://reviews.llvm.org/D21811 llvm-svn: 274470
* [X86][AVX512] Add support for VPERMPD/VPERMQ masked shuffle commentsSimon Pilgrim2016-07-033-8/+24
| | | | llvm-svn: 274469
* [X86][AVX512] Add support for 512-bit shuffle decoding of VPERMPD/VPERMQSimon Pilgrim2016-07-035-32/+36
| | | | llvm-svn: 274468
* [X86][AVX] Renamed VPERMILPI shuffle comment macros to be more specificSimon Pilgrim2016-07-031-27/+27
| | | | llvm-svn: 274467
* [X86][AVX512] Add support for VPALIGNR/PSHUFD/PSHUFHW/PSHUFLW masked shuffle ↵Simon Pilgrim2016-07-035-30/+46
| | | | | | comments llvm-svn: 274466
* [InstCombine] enable vector select of bools -> logic foldsSanjay Patel2016-07-032-13/+19
| | | | llvm-svn: 274465
* [X86][AVX512] Add support for UNPCK masked shuffle commentsSimon Pilgrim2016-07-037-76/+126
| | | | llvm-svn: 274464
* fix formatting; NFCSanjay Patel2016-07-031-6/+6
| | | | llvm-svn: 274463
* [X86][AVX512] Add support for VPERM/VSHUF masked shuffle commentsSimon Pilgrim2016-07-037-66/+122
| | | | llvm-svn: 274462
* [X86][AVX512] Add support for PMOVZX masked shuffle commentsSimon Pilgrim2016-07-036-74/+108
| | | | llvm-svn: 274461
* add vector bool select tests and regenerate checks for scalar bool select testsSanjay Patel2016-07-031-59/+139
| | | | llvm-svn: 274460
* [X86][AVX512] Add support for masked shuffle commentsSimon Pilgrim2016-07-038-62/+113
| | | | | | | | | | This patch adds support for including the avx512 mask register information in the mask/maskz versions of shuffle instruction comments. This initial version just adds support for MOVDDUP/MOVSHDUP/MOVSLDUP to reduce the mass of test regenerations, other shuffle instructions can be added in due course. Differential Revision: http://reviews.llvm.org/D21953 llvm-svn: 274459
* [X86][AVX512] Add support for lowering shuffles to VPERMILPSSimon Pilgrim2016-07-032-0/+31
| | | | llvm-svn: 274458
* PR28400: Partly undo r274440 to bring test-suite back to life with the new PMSean Silva2016-07-031-1/+2
| | | | | | | | | PR28400 seems to be not an isolated issue, but a general problem related to caching analyses. We will need to discuss on llvm-dev. A test case is in the PR. llvm-svn: 274457
* [PM] Some preparatory refactoring to minimize the diff of D21921Sean Silva2016-07-031-14/+20
| | | | llvm-svn: 274456
* Remove dead TLI arg of isKnownNonNull and propagate deadness. NFC.Sean Silva2016-07-0210-70/+42
| | | | | | | | | | | | | | This actually uncovered a surprisingly large chain of ultimately unused TLI args. From what I can gather, this argument is a remnant of when isKnownNonNull would look at the TLI directly. The current approach seems to be that InferFunctionAttrs runs early in the pipeline and uses TLI to annotate the TLI-dependent non-null information as return attributes. This also removes the dependence of functionattrs on TLI altogether. llvm-svn: 274455
* [Refactor NFC] Rename the (non-CCE, fold-failure) Diag during constant ↵Faisal Vali2016-07-021-102/+112
| | | | | | | | | | | | expression evaluation as FFDiag. Currently, we have CCEDiags (C++11 core constant expression diags) and Fold failure diagnostics [I don't claim to yet fully understand exactly why we need the difference]. This patch explicitly replaces Info.Diag (whose use always represents a fold failure diag within the file) with Info.FFDiag. This makes it more easily greppable in the file, and just like the name Info.CCEDiag, it gives the reader slight further insight into the nature of the diagnostic (as opposed to Info.Diag). This patch is a preliminary refactoring step in an effort to allow support for compatibility-warnings and extensions (such as constexpr lambda) during constant expression evaluation. All regressions pass. llvm-svn: 274454
* Fix wrong commentXinliang David Li2016-07-021-1/+1
| | | | llvm-svn: 274453
* [PM] Port LoopAccessInfo analysis to new PMXinliang David Li2016-07-0225-1/+75
| | | | | | | It is implemented as a LoopAnalysis pass as discussed and agreed upon. llvm-svn: 274452
* Fix spelling.Simon Pilgrim2016-07-021-2/+2
| | | | llvm-svn: 274451
* [X86][AVX512] Add support for lowering shuffles to VPERMILPDSimon Pilgrim2016-07-022-52/+37
| | | | llvm-svn: 274450
* fix some various typos in the docSylvestre Ledru2016-07-027-10/+10
| | | | llvm-svn: 274449
* [X86][AVX512VL] Add fast-isel MOVDDUP/MOVSLDUP/MOVSHDUP shuffle testsSimon Pilgrim2016-07-021-0/+407
| | | | llvm-svn: 274448
* fix two typos in the docSylvestre Ledru2016-07-022-2/+2
| | | | llvm-svn: 274447
* [PM] Some preparatory refactoring to minimize the diff of D21921Sean Silva2016-07-021-15/+17
| | | | | | The main change here is just moving stuff to static functions. llvm-svn: 274446
* [PM] Preparatory cleanups to ArgumentPromotion.Sean Silva2016-07-021-54/+74
| | | | | | | This pulls some obvious changes out of http://reviews.llvm.org/D21921 to minimize the diff. llvm-svn: 274445
* [X86][AVX512] Add support for 512-bit PSHUFB loweringSimon Pilgrim2016-07-022-17/+10
| | | | llvm-svn: 274444
* [X86][AVX512] Converted the MOVDDUP/MOVSLDUP/MOVSHDUP masked intrinsics to ↵Simon Pilgrim2016-07-023-72/+156
| | | | | | generic IR llvm-svn: 274443
* [X86][AVX512] Converted the MOVDDUP/MOVSLDUP/MOVSHDUP masked intrinsics to ↵Simon Pilgrim2016-07-025-118/+110
| | | | | | | | generic IR llvm companion patch imminent llvm-svn: 274442
* New Kaleidoscope chapter: Creating object filesWilfred Hughes2016-07-0216-355/+1800
| | | | | | | | | | | | This new chapter describes compiling LLVM IR to object files. The new chaper is chapter 8, so later chapters have been renumbered. Since this brings us to 10 chapters total, I've also needed to rename the other chapters to use two digit numbering. Differential Revision: http://reviews.llvm.org/D18070 llvm-svn: 274441
* [PM] Fix a small typo from when I ported JumpThreadingSean Silva2016-07-021-1/+1
| | | | llvm-svn: 274440
* [X86][AVX512] Autoupgrade the MOVDDUP/MOVSLDUP/MOVSHDUP intrinsicsSimon Pilgrim2016-07-025-204/+227
| | | | llvm-svn: 274439
* [DIBuilder] Remove dead code. NFC.Benjamin Kramer2016-07-021-34/+0
| | | | llvm-svn: 274438
* [Hexagon] Create global std::map lazily.Benjamin Kramer2016-07-021-3/+3
| | | | | | | | This could of course be a simple binary search with no global state involved at all if someone cares enough. Just don't make everyone linking the hexagon backend pay for it on process startup and shutdown. llvm-svn: 274437
* [X86][AVX512] Add support for lowering shuffles to MOVDDUP/MOVSLDUP/MOVSHDUPSimon Pilgrim2016-07-023-8/+23
| | | | llvm-svn: 274436
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