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* Add a note about Clang+LLVM on Sparc64.Venkatraman Govindaraju2014-02-03
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200699 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower llvm.expect intrinsic correctly for i1Duncan P. N. Exon Smith2014-02-02
| | | | | | | | | | LowerExpectIntrinsic previously only understood the idiom of an expect intrinsic followed by a comparison with zero. For llvm.expect.i1, the comparison would be stripped by the early-cse pass. Patch by Daniel Micay. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200664 91177308-0d34-0410-b5e6-96231b3b80d8
* [stackprotector] Implement the sspstrong rules for stack layout.Josh Magee2014-02-01
| | | | | | | | | | | | | | | | | | | This changes the PrologueEpilogInserter and LocalStackSlotAllocation passes to follow the extended stack layout rules for sspstrong and sspreq. The sspstrong layout rules are: 1. Large arrays and structures containing large arrays (>= ssp-buffer-size) are closest to the stack protector. 2. Small arrays and structures containing small arrays (< ssp-buffer-size) are 2nd closest to the protector. 3. Variables that have had their address taken are 3rd closest to the protector. Differential Revision: http://llvm-reviews.chandlerc.com/D2546 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200601 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement inalloca codegen for x86 with the new inalloca designReid Kleckner2014-01-31
| | | | | | | | | | | | | | | | Calls with inalloca are lowered by skipping all stores for arguments passed in memory and the initial stack adjustment to allocate argument memory. Now the frontend is responsible for the memory layout, and the backend doesn't have to do any work. As a result these changes are pretty minimal. Reviewers: echristo Differential Revision: http://llvm-reviews.chandlerc.com/D2637 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200596 91177308-0d34-0410-b5e6-96231b3b80d8
* [ms-cxxabi] Add a new calling convention that swaps 'this' and 'sret'Reid Kleckner2014-01-31
| | | | | | | | | | | | | | | | | | | | MSVC always places the 'this' parameter for a method first. The implicit 'sret' pointer for methods always comes second. We already implement this for __thiscall by putting sret parameters on the stack, but __cdecl methods require putting both parameters on the stack in opposite order. Using a special calling convention allows frontends to keep the sret parameter first, which avoids breaking lots of assumptions in LLVM and Clang. Fixes PR15768 with the corresponding change in Clang. Reviewers: ributzka, majnemer Differential Revision: http://llvm-reviews.chandlerc.com/D2663 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200561 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow speculating llvm.sqrt, fma and fmuladdMatt Arsenault2014-01-31
| | | | | | | | This doesn't set errno, so this should be OK. Also update the documentation to explicitly state that errno are not set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200501 91177308-0d34-0410-b5e6-96231b3b80d8
* [Stackmaps] Record the stack size of each function that contains a ↵Juergen Ributzka2014-01-30
| | | | | | | | | | stackmap/patchpoint intrinsic. Re-applying the patch, but this time without using AsmPrinter methods. Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200481 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "[Stackmaps] Record the stack size of each function that contains a ↵Juergen Ributzka2014-01-30
| | | | | | | | stackmap/patchpoint intrinsic." This reverts commit r200444 to unbreak buildbots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200445 91177308-0d34-0410-b5e6-96231b3b80d8
* [Stackmaps] Record the stack size of each function that contains a ↵Juergen Ributzka2014-01-30
| | | | | | | | stackmap/patchpoint intrinsic. Reviewed by Andy git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200444 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend the preserve_most/all calling convention description in LangRef about theJuergen Ributzka2014-01-30
| | | | | | fact that the argument registers will be preserved too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200441 91177308-0d34-0410-b5e6-96231b3b80d8
* Document EHABI enabled by defaultRenato Golin2014-01-29
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200390 91177308-0d34-0410-b5e6-96231b3b80d8
* Updating the getting started guide for Visual Studio a smidge.Aaron Ballman2014-01-23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199934 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert my commit in r199620 that added sections about namespaces to theChandler Carruth2014-01-20
| | | | | | | | | | | | | | | | | | coding standards, and instead fix the existing section. Thanks to Daniel Jasper for pointing out we already had a section devoted to this topic. Instead of adding sections, just hack on this section some. Also fix the example in the anonymous namespace section below it to agree with the new advice. As a re-cap, this switches the LLVM preferred style to never indent namespaces. Having two approaches just led to endless (and utterly pointless) debates about what was "small enough". This wasn't helping anyone. The no-indent rule is easy to understand and doesn't really make anything harder to read. Moreover, with tools like clang-format it is considerably nicer to have simple consistent rules. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199637 91177308-0d34-0410-b5e6-96231b3b80d8
* Add some wording to the coding standards to say how to indent namespacesChandler Carruth2014-01-20
| | | | | | | | | | | (and to mention namespace ending comments). This is based on a quick discussion on the developer mailing list where there was essentially no objections to a simple and consistent rule. This should avoid future debates about whether or not a namespace is "big enough" to indent. It also matches clang-format's current behavior with LLVM source code which hasn't really seen any opposition in code reviews that I spot checked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199620 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an inalloca flag to allocasReid Kleckner2014-01-17
| | | | | | | | | | | | | | | | Summary: The only current use of this flag is to mark the alloca as dynamic, even if its in the entry block. The stack adjustment for the alloca can never be folded into the prologue because the call may clear it and it has to be allocated at the top of the stack. Reviewers: majnemer CC: llvm-commits Differential Revision: http://llvm-reviews.chandlerc.com/D2571 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199525 91177308-0d34-0410-b5e6-96231b3b80d8
* Update LangRef to emphasize the difference between "coldcc" and ↵Juergen Ributzka2014-01-17
| | | | | | "preserve_mostcc". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199521 91177308-0d34-0410-b5e6-96231b3b80d8
* Add two new calling conventions for runtime callsJuergen Ributzka2014-01-17
| | | | | | | | | | | | | | This patch adds two new target-independent calling conventions for runtime calls - PreserveMost and PreserveAll. The target-specific implementation for X86-64 is defined as following: - Arguments are passed as for the default C calling convention - The same applies for the return value(s) - PreserveMost preserves all GPRs - except R11 - PreserveAll preserves all GPRs and all XMMs/YMMs - except R11 Reviewed by Lang and Philip git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199508 91177308-0d34-0410-b5e6-96231b3b80d8
* Change inalloca rules to make it only apply to the last parameterReid Kleckner2014-01-16
| | | | | | | | | | | This makes things a lot easier, because we can now talk about the "argument allocation", which allocates all the memory for the call in one shot. The only functional change is to the verifier for a feature that hasn't shipped yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199434 91177308-0d34-0410-b5e6-96231b3b80d8
* LangRef.rst: fix LangRef data layout text about m specifier, take 2Hans Wennborg2014-01-15
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199286 91177308-0d34-0410-b5e6-96231b3b80d8
* LangRef: attempt to fix line breaksHans Wennborg2014-01-15
| | | | | | | The line breaks around the "m:<mangling>" text in the Data Layout section look weird. Let's see if this helps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199285 91177308-0d34-0410-b5e6-96231b3b80d8
* Decouple dllexport/dllimport from linkageNico Rieck2014-01-14
| | | | | | | | | | | | | | | | | | | Representing dllexport/dllimport as distinct linkage types prevents using these attributes on templates and inline functions. Instead of introducing further mixed linkage types to include linkonce and weak ODR, the old import/export linkage types are replaced with a new separate visibility-like specifier: define available_externally dllimport void @f() {} @Var = dllexport global i32 1, align 4 Linkage for dllexported globals and functions is now equal to their linkage without dllexport. Imported globals and functions must be either declarations with external linkage, or definitions with AvailableExternallyLinkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199218 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert "Decouple dllexport/dllimport from linkage"Nico Rieck2014-01-14
| | | | | | | | Revert this for now until I fix an issue in Clang with it. This reverts commit r199204. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199207 91177308-0d34-0410-b5e6-96231b3b80d8
* Decouple dllexport/dllimport from linkageNico Rieck2014-01-14
| | | | | | | | | | | | | | | | | | | Representing dllexport/dllimport as distinct linkage types prevents using these attributes on templates and inline functions. Instead of introducing further mixed linkage types to include linkonce and weak ODR, the old import/export linkage types are replaced with a new separate visibility-like specifier: define available_externally dllimport void @f() {} @Var = dllexport global i32 1, align 4 Linkage for dllexported globals and functions is now equal to their linkage without dllexport. Imported globals and functions must be either declarations with external linkage, or definitions with AvailableExternallyLinkage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199204 91177308-0d34-0410-b5e6-96231b3b80d8
* Docs: fix sign of division and increase equivocation on code generated.Tim Northover2014-01-13
| | | | | | I should have been a politician. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199092 91177308-0d34-0410-b5e6-96231b3b80d8
* [anyregcc] Fix callee-save mask for anyregccJuergen Ributzka2014-01-11
| | | | | | | Use separate callee-save masks for XMM and YMM registers for anyregcc on X86 and select the proper mask depending on the target cpu we compile for. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198985 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a note about the old asm printer being removed.Rafael Espindola2014-01-10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198960 91177308-0d34-0410-b5e6-96231b3b80d8
* Use 'w' instead of 'c' to represent the win32 mangling.Rafael Espindola2014-01-10
| | | | | | | This change was requested to avoid confusion if we ever support non windows coff systems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198938 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the developer policy to more clearly spell out the steps forChandler Carruth2014-01-10
| | | | | | | contributors to submit patches to the LLVM project. Thanks to Danny, Chris, Alp, and others for reviewing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198901 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove mention of old deleted test scripts from testing guideNico Rieck2014-01-08
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198771 91177308-0d34-0410-b5e6-96231b3b80d8
* Improve documentation of the 'a' specifier and the '<abi>:<pref>' align pair.Rafael Espindola2014-01-06
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198636 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix typo.Rafael Espindola2014-01-03
| | | | | | Thanks to Owen Anderson for noticing it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198443 91177308-0d34-0410-b5e6-96231b3b80d8
* Make the llvm mangler depend only on DataLayout.Rafael Espindola2014-01-03
| | | | | | | | | | | | | | Before this patch any program that wanted to know the final symbol name of a GlobalValue had to link with Target. This patch implements a compromise solution where the mangler uses DataLayout. This way, any tool that already links with Target (llc, clang) gets the exact behavior as before and new IR files can be mangled without linking with Target. With this patch the mangler is constructed with just a DataLayout and DataLayout is extended to include the information the Mangler needs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198438 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the 's' DataLayout specificationRafael Espindola2014-01-01
| | | | | | | | | | | | | | | | | | | | | | | During the years there have been some attempts at figuring out how to align byval arguments. A look at the commit log suggests that they were * Use the ABI alignment. * When that was not sufficient for x86-64, I added the 's' specification to DataLayout. * When that was not sufficient Evan added the virtual getByValTypeAlignment. * When even that was not sufficient, we just got the FE to add the alignment to the byval. This patch is just a simple cleanup that removes my first attempt at fixing the problem. I also added an AArch64 implementation of getByValTypeAlignment to make sure this patch is a nop. I also left the 's' parsing for backward compatibility. I will send a short email to llvmdev about the change for anyone maintaining an out of tree target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198287 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the copyright credits -- Happy new year 2014!NAKAMURA Takumi2014-01-01
| | | | | | FIXME: Dragonegg may be updated at non-trivial changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198274 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove link to unexisting llvm-prof docsAlexey Samsonov2013-12-24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197989 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-symbolizer: add --obj flag to specify a single object file that should ↵Alexey Samsonov2013-12-24
| | | | | | be symbolized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197988 91177308-0d34-0410-b5e6-96231b3b80d8
* LangRef documentation for the stackmap and patchpoint intrinsics.Andrew Trick2013-12-24
| | | | | | | | | These still have "experimental" status, meaning we don't guarantee backward compatibility. However, they are already actively used by the open source WebKit project, and have started to be adopted by other projects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197930 91177308-0d34-0410-b5e6-96231b3b80d8
* [COFF] Add support for the .secidx directiveTimur Iskhodzhanov2013-12-20
| | | | | | Reviewed at http://llvm-reviews.chandlerc.com/D2445 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197826 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in the docsTimur Iskhodzhanov2013-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197798 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix documentation typosAlp Toker2013-12-20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197757 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the links to the SPARC information.Rafael Espindola2013-12-19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197719 91177308-0d34-0410-b5e6-96231b3b80d8
* Begin adding docs and IR-level support for the inalloca attributeReid Kleckner2013-12-19
| | | | | | | | | | | | | | | | | | | The inalloca attribute is designed to support passing C++ objects by value in the Microsoft C++ ABI. It behaves the same as byval, except that it always implies that the argument is in memory and that the bytes are never copied. This attribute allows the caller to take the address of an outgoing argument's memory and execute arbitrary code to store into it. This patch adds basic IR support, docs, and verification. It does not attempt to implement any lowering or fix any possibly broken transforms. When this patch lands, a complete description of this feature should appear at http://llvm.org/docs/InAlloca.html . Differential Revision: http://llvm-reviews.chandlerc.com/D2173 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197645 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix code sample in NVPTX examples: now it compiles to PTX and runs as expected.Eli Bendersky2013-12-17
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197498 91177308-0d34-0410-b5e6-96231b3b80d8
* Add ARM to release instructionsRenato Golin2013-12-13
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197220 91177308-0d34-0410-b5e6-96231b3b80d8
* Use "a" instead of "a0" in DataLayout.Rafael Espindola2013-12-12
| | | | | | It means exactly the same and is just a bit shorter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197169 91177308-0d34-0410-b5e6-96231b3b80d8
* Use Field Lists for the types' "Overview", "Syntax" and "Examples".Rafael Espindola2013-12-10
| | | | | | Thanks to Sean Silva for the suggestion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196924 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the notion of primitive types.Rafael Espindola2013-12-07
| | | | | | | | | | They were out of place since the introduction of arbitrary precision integer types. This also synchronizes the documentation to Types.h, so it refers to first class types and single value types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196661 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a RequireStructuredCFG Field to TargetMachine.Vincent Lejeune2013-12-07
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196634 91177308-0d34-0410-b5e6-96231b3b80d8
* Document that dllexported symbols are preserved by optimization passes.Yunzhong Gao2013-12-05
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196523 91177308-0d34-0410-b5e6-96231b3b80d8
* Correct word hyphenationsAlp Toker2013-12-05
| | | | | | | This patch tries to avoid unrelated changes other than fixing a few hyphen-related ambiguities and contractions in nearby lines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196471 91177308-0d34-0410-b5e6-96231b3b80d8
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