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* Add comdat key field to llvm.global_ctors and llvm.global_dtorsReid Kleckner2014-05-16
| | | | | | | | | | | | | | This allows us to put dynamic initializers for weak data into the same comdat group as the data being initialized. This is necessary for MSVC ABI compatibility. Once we have comdats for guard variables, we can use the combination to help GlobalOpt fire more often for weak data with guarded initialization on other platforms. Reviewers: nlewycky Differential Revision: http://reviews.llvm.org/D3499 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209015 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typosAlp Toker2014-05-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208839 91177308-0d34-0410-b5e6-96231b3b80d8
* Update of the documentation: I think we are now happy with PhabricatorSylvestre Ledru2014-05-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208764 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix strange typo in markup.Jay Foad2014-05-14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208759 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64-BE] Correct grammar mistake pointed out by Tobias.James Molloy2014-05-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208580 91177308-0d34-0410-b5e6-96231b3b80d8
* [ARM64-BE] Add sphinx documentation for the ARM64 NEON implementation.James Molloy2014-05-12
| | | | | | | There are some interesting decisions based on non-obvious rationale in the ARM64-BE NEON implementation - decent documentation is definitely required. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208577 91177308-0d34-0410-b5e6-96231b3b80d8
* [PowerPC] Add global named register supportHal Finkel2014-05-11
| | | | | | | Support for the intrinsics that read from and write to global named registers is added for r1, r2 and r13 (depending on the subtarget). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208509 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[ms-cxxabi] Add a new calling convention that swaps 'this' and 'sret'"Reid Kleckner2014-05-09
| | | | | | | | | | | | | | This reverts commit r200561. This calling convention was an attempt to match the MSVC C++ ABI for methods that return structures by value. This solution didn't scale, because it would have required splitting every CC available on Windows into two: one for methods and one for free functions. Now that we can put sret on the second arg (r208453), and Clang does that (r208458), revert this hack. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208459 91177308-0d34-0410-b5e6-96231b3b80d8
* IR: Don't allow non-default visibility on local linkageDuncan P. N. Exon Smith2014-05-07
| | | | | | | | | | | | | | | | | Visibilities of `hidden` and `protected` are meaningless for symbols with local linkage. - Change the assembler to reject non-default visibility on symbols with local linkage. - Change the bitcode reader to auto-upgrade `hidden` and `protected` to `default` when the linkage is local. - Update LangRef. <rdar://problem/16141113> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208263 91177308-0d34-0410-b5e6-96231b3b80d8
* [tablegen] Add !listconcat operator with the similar semantics as !strconcatDaniel Sanders2014-05-07
| | | | | | | | | | | | | | | | | | | | Summary: It concatenates two or more lists. In addition to the !strconcat semantics the lists must have the same element type. My overall aim is to make it easy to append to Instruction.Predicates rather than override it. This can be done by concatenating lists passed as arguments, or by concatenating lists passed in additional fields. Reviewers: dsanders Reviewed By: dsanders Subscribers: hfinkel, llvm-commits Differential Revision: http://reviews.llvm.org/D3506 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208183 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-cov: Document --no-output in the command guideJustin Bogner2014-05-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208151 91177308-0d34-0410-b5e6-96231b3b80d8
* Implememting named register intrinsicsRenato Golin2014-05-06
| | | | | | | | | | | This patch implements the infrastructure to use named register constructs in programs that need access to specific registers (bare metal, kernels, etc). So far, only the stack pointer is supported as a technology preview, but as it is, the intrinsic can already support all non-allocatable registers from any architecture. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208104 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some details to the llvm-cov documentation. <rdar://problem/15819496>Bob Wilson2014-05-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208098 91177308-0d34-0410-b5e6-96231b3b80d8
* Update programmers manual to cover llvm::function_ref, and add a note to theRichard Smith2014-05-06
| | | | | | | coding standard suggesting using it instead of the (unavailable) std::function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208067 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert accidentally-committed files.Richard Smith2014-05-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208034 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-commit r208025, reverted in r208030, with a fix for a conformance issueRichard Smith2014-05-06
| | | | | | | which GCC detects and Clang does not! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208033 91177308-0d34-0410-b5e6-96231b3b80d8
* Be a bit more specific in the release notes.Rafael Espindola2014-05-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207981 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the -disable-cfi option.Rafael Espindola2014-05-05
| | | | | | | This also add a release note about it. If this stays I will cleanup MC next week. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207977 91177308-0d34-0410-b5e6-96231b3b80d8
* Update docs still mentioning LLVM_ENABLE_CXX11Alp Toker2014-05-03
| | | | | | C++11 is now required. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207914 91177308-0d34-0410-b5e6-96231b3b80d8
* Updated Doxygen link for InstIterator.h.Yaron Keren2014-05-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207906 91177308-0d34-0410-b5e6-96231b3b80d8
* InstIterator.h lives in llvm/IR.Yaron Keren2014-05-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207903 91177308-0d34-0410-b5e6-96231b3b80d8
* [tablegen] !strconcat accepts more than two arguments but this wasn't ↵Daniel Sanders2014-05-02
| | | | | | | | | | | | | | | | | | | | documented or tested. Summary: * Updated the documentation * Added a test for >2 arguments * Added a check for the lexical concatenation * Made the existing test a bit stricter. Reviewers: t.p.northover Reviewed By: t.p.northover Subscribers: t.p.northover, llvm-commits Differential Revision: http://reviews.llvm.org/D3485 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207865 91177308-0d34-0410-b5e6-96231b3b80d8
* Code style fix from Duncan P. N. Exon Smith.Yaron Keren2014-05-02
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207831 91177308-0d34-0410-b5e6-96231b3b80d8
* [IR] Make {extract,insert}element accept an index of any integer type.Michael J. Spencer2014-05-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Given the following C code llvm currently generates suboptimal code for x86-64: __m128 bss4( const __m128 *ptr, size_t i, size_t j ) { float f = ptr[i][j]; return (__m128) { f, f, f, f }; } ================================================= define <4 x float> @_Z4bss4PKDv4_fmm(<4 x float>* nocapture readonly %ptr, i64 %i, i64 %j) #0 { %a1 = getelementptr inbounds <4 x float>* %ptr, i64 %i %a2 = load <4 x float>* %a1, align 16, !tbaa !1 %a3 = trunc i64 %j to i32 %a4 = extractelement <4 x float> %a2, i32 %a3 %a5 = insertelement <4 x float> undef, float %a4, i32 0 %a6 = insertelement <4 x float> %a5, float %a4, i32 1 %a7 = insertelement <4 x float> %a6, float %a4, i32 2 %a8 = insertelement <4 x float> %a7, float %a4, i32 3 ret <4 x float> %a8 } ================================================= shlq $4, %rsi addq %rdi, %rsi movslq %edx, %rax vbroadcastss (%rsi,%rax,4), %xmm0 retq ================================================= The movslq is uneeded, but is present because of the trunc to i32 and then sext back to i64 that the backend adds for vbroadcastss. We can't remove it because it changes the meaning. The IR that clang generates is already suboptimal. What clang really should emit is: %a4 = extractelement <4 x float> %a2, i64 %j This patch makes that legal. A separate patch will teach clang to do it. Differential Revision: http://reviews.llvm.org/D3519 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207801 91177308-0d34-0410-b5e6-96231b3b80d8
* Update post-r203364 ↵Yaron Keren2014-05-01
| | | | | | | | | | | | http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20140303/207915.html and ranged for loops. http://reviews.llvm.org/D3582 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207755 91177308-0d34-0410-b5e6-96231b3b80d8
* ARM: support stack probe emission for Windows on ARMSaleem Abdulrasool2014-04-30
| | | | | | | | | | | | | | | | | This introduces the stack lowering emission of the stack probe function for Windows on ARM. The stack on Windows on ARM is a dynamically paged stack where any page allocation which crosses a page boundary of the following guard page will cause a page fault. This page fault must be handled by the kernel to ensure that the page is faulted in. If this does not occur and a write access any memory beyond that, the page fault will go unserviced, resulting in an abnormal program termination. The watermark for the stack probe appears to be at 4080 bytes (for accommodating the stack guard canaries and stack alignment) when SSP is enabled. Otherwise, the stack probe is emitted on the page size boundary of 4096 bytes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207615 91177308-0d34-0410-b5e6-96231b3b80d8
* Document recently added sphinx documentation options inDan Liew2014-04-29
| | | | | | CMake. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207543 91177308-0d34-0410-b5e6-96231b3b80d8
* Add 'musttail' marker to call instructionsReid Kleckner2014-04-24
| | | | | | | | | | | | This is similar to the 'tail' marker, except that it guarantees that tail call optimization will occur. It also comes with convervative IR verification rules that ensure that tail call optimization is possible. Reviewers: nicholas Differential Revision: http://llvm-reviews.chandlerc.com/D3240 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207143 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Add a note to docs/README.txtSean Silva2014-04-22
| | | | | | | | | Added note to docs/README.txt on how to check the reachibility of external links in the documentation. Patch by Dan Liew! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206924 91177308-0d34-0410-b5e6-96231b3b80d8
* Added Sphinx documentation generation to CMake build system.Reid Kleckner2014-04-18
| | | | | | | | | | | | | | | | | | | | | The option LLVM_ENABLE_SPHINX option enables the "docs-llvm-html", "docs-llvm-man" targets but does not build them by default. The following CMake options have been added that control what targets are made available SPHINX_OUTPUT_HTML SPHINX_OUTPUT_MAN If LLVM_BUILD_DOCS is enabled then the enabled docs-llvm-* targets will be built by default and if ``make install`` is run then docs-llvm-html and docs-llvm-man will be installed (tested on Linux only). The add_sphinx_target function is in its own file so it can be included by other projects that use Sphinx for their documentation. Patch by Daniel Liew <daniel.liew@imperial.ac.uk>! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206655 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove -simplify-libcalls pass form Passes documentationReid Kleckner2014-04-18
| | | | | | | | | | | | This pass was removed in r184459. Also added note that the InstCombine pass does library call simplification. Patch slightly modified from one by Daniel Liew <daniel.liew@imperial.ac.uk>! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206650 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix example for VS2012.Paul Robinson2014-04-18
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206544 91177308-0d34-0410-b5e6-96231b3b80d8
* C++11: Compatibility with (C++03 => MSVC)Duncan P. N. Exon Smith2014-04-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206481 91177308-0d34-0410-b5e6-96231b3b80d8
* C++11: Document some limitations imposed by MSVCDuncan P. N. Exon Smith2014-04-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206480 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove documentation for a deleted pass.Eric Christopher2014-04-12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206097 91177308-0d34-0410-b5e6-96231b3b80d8
* blockfreq: Document BlockFrequencyInfo terminologyDuncan P. N. Exon Smith2014-04-11
| | | | | | | | | Documents terminology used in the forthcoming rewrite of BlockFrequencyInfo. <rdar://problem/14292693> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206086 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the segmented stack switch to a function attributeReid Kleckner2014-04-10
| | | | | | | | | This removes the -segmented-stacks command line flag in favor of a per-function "split-stack" attribute. Patch by Luqman Aden and Alex Crichton! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205997 91177308-0d34-0410-b5e6-96231b3b80d8
* YAMLIO: Allow scalars to dictate quotation rulesDavid Majnemer2014-04-10
| | | | | | | Introduce ScalarTraits::mustQuote which determines whether or not a StringRef needs quoting before it is acceptable to output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205955 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix some doc and comment typosAlp Toker2014-04-09
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205899 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] VCS contains a record of authorshipSean Silva2014-04-08
| | | | | | No need to explicitly mention the author in the document. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205793 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Fix up some links to the preferred style.Sean Silva2014-04-08
| | | | | | | | | | | | | :doc:`...` and :ref:`...` links help Sphinx keep track the dependencies between documents and ensure that they are not pointing to nowhere. Raw HTML links work just fine and are easier for people less familiar with reST/Sphinx. They are easy to change over to the :doc:/:ref: style after the fact so this is not a problem. This commit doesn't fix all of them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205792 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Fix some linksSean Silva2014-04-07
| | | | | | | | The TableGen docs have changed structure Patch by Tay Ray Chuan! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205744 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Update link titleSean Silva2014-04-07
| | | | | | | docs/TableGen/ is not really just "fundamentals" anymore, but rather more of a portal for all things TableGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205743 91177308-0d34-0410-b5e6-96231b3b80d8
* [docs] Fix some Sphinx warnings that have crept in.Sean Silva2014-04-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205742 91177308-0d34-0410-b5e6-96231b3b80d8
* Make docs point to new domain.Manuel Klimek2014-04-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205701 91177308-0d34-0410-b5e6-96231b3b80d8
* Stack map docs. Remove some stray markup.Andrew Trick2014-04-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205515 91177308-0d34-0410-b5e6-96231b3b80d8
* Minor update to the stack map documentation.Andrew Trick2014-04-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205513 91177308-0d34-0410-b5e6-96231b3b80d8
* Recover TableGen/LangRef, make it officialRenato Golin2014-04-01
| | | | | | | | | | | | | Making the new TableGen documentation official and marking the old file as "Moved". Also, reverting the original LangRef as the normative formal description of the language, while keeping the "new" LangRef as LangIntro for the less inlcined to reading language grammars. We should remove TableGenFundamentals.rst one day, but for now, just a warning that it moved will have to do, while we make sure there are no more links to it from elsewhere. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205289 91177308-0d34-0410-b5e6-96231b3b80d8
* [Stackmaps] Update the stackmap format to use 64-bit relocations for the ↵Juergen Ributzka2014-03-31
| | | | | | | | | | | | function address and properly align all entries. This commit updates the stackmap format to version 1 to indicate the reorganizaion of several fields. This was done in order to align stackmap entries to their natural alignment and to minimize padding. Fixes <rdar://problem/16005902> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205254 91177308-0d34-0410-b5e6-96231b3b80d8
* Exception handling docs: Clarify how the llvm.eh.* intrinsics are usedMark Seaborn2014-03-28
| | | | | | | | | The non-SJLJ and SJLJ intrinsics are generated by the frontend and backend respectively. Differential Revision: http://llvm-reviews.chandlerc.com/D3010 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205017 91177308-0d34-0410-b5e6-96231b3b80d8
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