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2013-02-12Adding a HowTo for Attributes.Joe Abbey
This is based on Bill Wendling's email. No additional content has been added, but now there's a place for Attributes to capture future information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174961 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Restore the resurrected doc link previously deletedBill Schmidt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174884 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11Remove a dead PowerPC doc linkBill Schmidt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174881 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-11[tsan/msan] adding thread_safety and uninitialized_checks attributesKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174864 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08ReleaseNotes: Add section for R600 backendTom Stellard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174764 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08[docs] Tweaks for clarity, readability, and correctness.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174749 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08More modifications to PowerPC doc linksBill Schmidt
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174742 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-08Update PowerPC links in CompilerWriterInfo.rstHal Finkel
This updates the current references to links that work for me. In the future, we should update the list of references itself to provide information on newer architecture variants. Thanks to Sean Silva for pointing out that the current links were broken! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174739 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07[ReleaseNotes] tidy up organization and formattingSean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174587 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Update Release notes regarding TTI.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174586 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-07Document the loop vectorizer changes.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174585 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Canonicalize line endings to Linux style also when the --strict-whitespace ↵Guy Benyei
flag is in use. This flag is supposed to affect horizontal whitespaces only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174541 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Initial submission for the attribute group feature.Bill Wendling
Attribute groups are of the form: #0 = attributes { noinline "no-sse" "cpu"="cortex-a8" alignstack=4 } Target-dependent attributes are represented as strings. Attributes can have optional values associated with them. E.g., the "cpu" attribute has the value "cortex-a8". Target-independent attributes are listed as enums inside the attribute classes. Multiple attribute groups can be referenced by the same object. In that case, the attributes are merged together. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174493 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06Alphabetize the function attributes.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174490 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-04Coding standards: don't use ``inline`` when defining a function in a classDmitri Gribenko
definition Current practice is not to use 'inline' in: class Foo { public: inline void bar() { // ... } }; git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174317 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-04Pass CPPFLAGS/CFLAGS/CXXFLAGS from the environment of configure toPatrik Hagglund
Makefile.config. This is implied at the bottom of the help text of configure (besides CC/CXX/LDFLAGS, already passed to Makefile.config). For backward compatibility, the values of CFLAGS and CXXFLAGS defaults to empty, overriding the default values provided by autoconf (for example, '-g -O2' when CC=gcc'). $(CPP) is not used by our makefiles. Therefore, the value of CPP is not passed to Makefile.config, despite beeing mentioned by 'configure --help'. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174313 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-04Removed reference to LLVM as a project (since in LangRef it is used solely ↵Michael Gottesman
as a reference to the IR). Thanks silvas! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174301 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-03Added new Global Variable marker ``externally_initialized'' to LangRef.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174270 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-03Added clarification paragraph to LangRef's documentation ofMichael Gottesman
GlobalVariable about LLVM's assumptions vis-a-vis Global Variable initial values and Global Variable initializers. This is in preparation for adding the new keyword externally_initialized. Specifically, the patch explains how LLVM optimizes global initializers by assumign that global variables defined within the module are not modified from their initial values before the start of the global initializer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174269 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01[docs] Fixup fallout from other grammar fixup.Sean Silva
My "excuse" for not refactoring the grammar here is to not diverge too far from the grammar in the comments of TGParser.cpp, since I'm not taking on the quest of majorly refactoring TGParser.cpp at the moment. One benefit of doing this is that Ideas for refactoring and clarifying the grammar in this document should translate almost immediately to beneficial refactorings that can be made to TGParser.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174144 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-01[docs] Add missing colon to TableGen grammar.Sean Silva
Spotted by Eli Bendersky. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174143 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Add AArch64 as an experimental target.Tim Northover
This patch adds support for AArch64 (ARM's 64-bit architecture) to LLVM in the "experimental" category. Currently, it won't be built unless requested explicitly. This initial commit should have support for: + Assembly of all scalar (i.e. non-NEON, non-Crypto) instructions (except the late addition CRC instructions). + CodeGen features required for C++03 and C99. + Compilation for the "small" memory model: code+static data < 4GB. + Absolute and position-independent code. + GNU-style (i.e. "__thread") TLS. + Debugging information. The principal omission, currently, is performance tuning. This patch excludes the NEON support also reviewed due to an outbreak of batshit insanity in our legal department. That will be committed soon bringing the changes to precisely what has been approved. Further reviews would be gratefully received. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174054 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Fixed a mistake in my previous commit where I changed the wording slightly ↵Michael Gottesman
and forgot to undo the change after changing my mind and deciding to only commit the style changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174041 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31Formatting Fix. Changed " to `` around the word 'constant' in the Lang RefMichael Gottesman
section Global Variable so that the style matches the other keywords in said section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174040 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31LangRef: Add a Rationale for volatile rules.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174007 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30...in light of recent activity related to llvm.memcpy flags. I want toAndrew Trick
prevent an llvm developer from mistakenly thinking that just because the intrinsic has volatile flags that volatile operations can be converted to or folded into them. Platforms may rely on volatile loads and stores of natively supported data width to be executed as single instruction. When compiling C, this expectation likely holds for l-values of volatile primitive types with native hardware support, but not necessarily for aggregate types. The frontend upholds these expectations, which are not specified in the IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173974 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Remove a mention of TargetInstrDescriptor, which no longer exists in the codeEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173971 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30[docs] Guide prospective TableGen backend writers.Sean Silva
Boilerplate is often the hardest part of getting started with these kinds of things, so throw them a bone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173969 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30Documentation: Updating the data layout default specifications toPatrik Hagglund
correspond to the code. Patch by Stephen McGruer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173914 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-29Documentation: add empty lines so that lists are properly recognizedDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173845 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28docs: reorganize front page slightlySean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173718 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-26Documentation: fix syntax errorDmitri Gribenko
Patch by David Waggoner git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173571 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Fixed typo.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173478 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Added new section to the git-svn getting started section that provides aMichael Gottesman
custom git script called git-svnup which handles all of the work of using the git-mirrors/keeping the git-svn numbers in sync. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173472 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-25Add an addition operator to TableGenHal Finkel
This adds an !add(a, b) operator to tablegen; this will be used to cleanup the PPC register definitions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173445 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Fix small typoEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173298 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Add the heuristic to differentiate SSPStrong from SSPRequired.Bill Wendling
The requirements of the strong heuristic are: * A Protector is required for functions which contain an array, regardless of type or length. * A Protector is required for functions which contain a structure/union which contains an array, regardless of type or length. Note, there is no limit to the depth of nesting. * A protector is required when the address of a local variable (i.e., stack based variable) is exposed. (E.g., such as through a local whose address is taken as part of the RHS of an assignment or a local whose address is taken as part of a function argument.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173231 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Add the IR attribute 'sspstrong'.Bill Wendling
SSPStrong applies a heuristic to insert stack protectors in these situations: * A Protector is required for functions which contain an array, regardless of type or length. * A Protector is required for functions which contain a structure/union which contains an array, regardless of type or length. Note, there is no limit to the depth of nesting. * A protector is required when the address of a local variable (i.e., stack based variable) is exposed. (E.g., such as through a local whose address is taken as part of the RHS of an assignment or a local whose address is taken as part of a function argument.) This patch implements the SSPString attribute to be equivalent to SSPRequired. This will change in a subsequent patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173230 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23docs: Update title of external tutorial.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173224 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Fix spellingJoel Jones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173103 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Docs for SparseMultiSetMichael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173092 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20[docs] Update IRC information.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172970 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Update the gcc-loops benchmarkNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172966 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20Update the linpack benchmark with different array sizes.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172965 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20ReleaseNotes: note Sphinx migration.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172955 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20docs: Nuke the old release notes.Sean Silva
This change also removes a bunch of boilerplate and stuffing which made it unnecessarily hard to navigate and see the comparatively miniscule actual content that was added to this document during the 3.2 development period (or maybe even sticking around from earlier releases...). The new organization (a flat list) optimizes for making it easy for people who know about changes to add them to the document. It's completely trivial for anyone with basic knowledge of LLVM to come in later (such as when preparing for the actual release) and cluster any changes into logical groups. However, I have left some comments indicating how to add larger descriptions, if someone is feeling adventurous ;) Hopefully this organization will highlight how little effort is being put into producing accurate, high-quality release notes, prompting a corresponding improvement for the 3.3 release. I have preserved the changes to this document that are not present in the 3.2 release notes. There were only two... I'm pretty sure we've been busier than that... (version control shows +213347/-173656 raw lines just in the LLVM repo since the 3.2 release). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172954 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20docs: Use proper markup.Sean Silva
These are really definition lists. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172950 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-20docs: Inline documentation structure into homepage.Sean Silva
This brings back {Ctrl,Cmd}-f'ability, and makes some really bad organizational choices easier to see (and therefore fix). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172949 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Documentation: remove more mentions of TclDmitri Gribenko
Followup for r172836 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172918 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-19Documentation: replace some non-ASCII characters by equivalent markupDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172917 91177308-0d34-0410-b5e6-96231b3b80d8
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