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* NVPTX: Don't even create a regalloc if we're not going to use it.Benjamin Kramer2013-05-311-2/+7
| | | | | | Fixes a leak found by valgrind. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183031 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Re-enable support for virtual registers in the final outputJustin Holewinski2013-05-318-66/+307
| | | | | | | | | | | | Now that 3.3 is branched, we are re-enabling virtual registers to help iron out bugs before the next release. Some of the post-RA passes do not play well with virtual registers, so we disable them for now. The needed functionality of the PrologEpilogInserter pass is copied to a new backend-specific NVPTXPrologEpilog pass. The test for this commit is not breaking the existing tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182998 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix case where a sext load of an i1 type may produce anJustin Holewinski2013-05-301-2/+4
| | | | | | ld.u1 instead of an ld.u8. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182924 91177308-0d34-0410-b5e6-96231b3b80d8
* Order CALLSEQ_START and CALLSEQ_END nodes.Andrew Trick2013-05-291-3/+4
| | | | | | | | | | | | Fixes PR16146: gdb.base__call-ar-st.exp fails after pre-RA-sched=source fixes. Patch by Xiaoyi Guo! This also fixes an unsupported dbg.value test case. Codegen was previously incorrect but the test was passing by luck. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182885 91177308-0d34-0410-b5e6-96231b3b80d8
* Don't reach into the middle of TargetMachine and cache one of its ivars.Bill Wendling2013-05-291-1/+1
| | | | | | | Not only does this break encapsulation, it's gross. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182876 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 3/4.Andrew Trick2013-05-251-3/+3
| | | | | | | Remove the old IR ordering mechanism and switch to new one. Fix unit test failures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182704 91177308-0d34-0410-b5e6-96231b3b80d8
* Track IR ordering of SelectionDAG nodes 2/4.Andrew Trick2013-05-253-17/+17
| | | | | | | Change SelectionDAG::getXXXNode() interfaces as well as call sites of these functions to pass in SDLoc instead of DebugLoc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182703 91177308-0d34-0410-b5e6-96231b3b80d8
* Move passes from namespace llvm into anonymous namespaces. Sort includes ↵Benjamin Kramer2013-05-231-2/+2
| | | | | | while there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182594 91177308-0d34-0410-b5e6-96231b3b80d8
* More symbols that should be static.Benjamin Kramer2013-05-231-5/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182590 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add @llvm.nvvm.sqrt.f() intrinsicJustin Holewinski2013-05-214-0/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182394 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix mis-use of CurrentFnSym in NVPTXAsmPrinter. This was causing a ↵Justin Holewinski2013-05-201-9/+7
| | | | | | symbol name error in the output PTX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182298 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add programmatic interface to NVVMReflect passJustin Holewinski2013-05-202-3/+24
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182297 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add GenericToNVVM IR converter to better handle idiomatic LLVM IR inputsJustin Holewinski2013-05-207-80/+525
| | | | | | | | | | | | | | | This converter currently only handles global variables in address space 0. For these variables, they are promoted to address space 1 (global memory), and all uses are updated to point to the result of a cvta.global instruction on the new variable. The motivation for this is address space 0 global variables are illegal since we cannot declare variables in the generic address space. Instead, we place the variables in address space 1 and explicitly convert the pointer to address space 0. This is primarily intended to help new users who expect to be able to place global variables in the default address space. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182254 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix i1 kernel parameters and global variables. ABI rules say we ↵Justin Holewinski2013-05-201-2/+12
| | | | | | need to use .u8 for i1 parameters for kernels. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182253 91177308-0d34-0410-b5e6-96231b3b80d8
* Add LLVMContext argument to getSetCCResultTypeMatt Arsenault2013-05-181-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182180 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the MachineMove class.Rafael Espindola2013-05-131-1/+3
| | | | | | | | | | | | It was just a less powerful and more confusing version of MCCFIInstruction. A side effect is that, since MCCFIInstruction uses dwarf register numbers, calls to getDwarfRegNum are pushed out, which should allow further simplifications. I left the MachineModuleInfo::addFrameMove interface unchanged since this patch was already fairly big. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181680 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused argument.Rafael Espindola2013-05-102-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181618 91177308-0d34-0410-b5e6-96231b3b80d8
* ArrayRefize getMachineNode(). No functionality change.Michael Liao2013-04-191-14/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179901 91177308-0d34-0410-b5e6-96231b3b80d8
* Add support for subsections to the ELF assembler. Fixes PR8717.Peter Collingbourne2013-04-171-1/+2
| | | | | | Differential Revision: http://llvm-reviews.chandlerc.com/D598 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179725 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix a few style issues in NVVMReflectJustin Holewinski2013-04-021-72/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178536 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Remove support for SM < 2.0. This was never fully supported anyway.Justin Holewinski2013-03-302-14/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178417 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Add NVVMReflect pass to allow compile-time selection ofJustin Holewinski2013-03-303-0/+201
| | | | | | | | | | | | | | | | specific code paths. This allows us to write code like: if (__nvvm_reflect("FOO")) // Do something else // Do something else and compile into a library, then give "FOO" a value at kernel compile-time so the check becomes a no-op. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178416 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Run clang-format on all NVPTX sources.Justin Holewinski2013-03-3031-1956/+2298
| | | | | | | Hopefully this resolves any outstanding style issues and gives us an automated way of ensuring we conform to the style guidelines. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178415 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix handling of vector argumentsJustin Holewinski2013-03-242-7/+56
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177847 91177308-0d34-0410-b5e6-96231b3b80d8
* DAGCombiner: Use correct value type for checking legality of BR_CC v3Tom Stellard2013-03-081-1/+7
| | | | | | | | | | | | | LegalizeDAG.cpp uses the value of the comparison operands when checking the legality of BR_CC, so DAGCombiner should do the same. v2: - Expand more BR_CC value types for NVPTX v3: - Expand correct BR_CC value types for Hexagon, Mips, and XCore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176694 91177308-0d34-0410-b5e6-96231b3b80d8
* ArrayRefize some code. No functionality change.Benjamin Kramer2013-03-071-18/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176648 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix PR10475Michael Liao2013-03-011-1/+1
| | | | | | | | | | | | | | | | - ISD::SHL/SRL/SRA must have either both scalar or both vector operands but TLI.getShiftAmountTy() so far only return scalar type. As a result, backend logic assuming that breaks. - Rename the original TLI.getShiftAmountTy() to TLI.getScalarShiftAmountTy() and re-define TLI.getShiftAmountTy() to return target-specificed scalar type or the same vector type as the 1st operand. - Fix most TICG logic assuming TLI.getShiftAmountTy() a simple scalar type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176364 91177308-0d34-0410-b5e6-96231b3b80d8
* Move the eliminateCallFramePseudoInstr method from TargetRegisterInfoEli Bendersky2013-02-214-13/+15
| | | | | | | | | | | | | | | | | to TargetFrameLowering, where it belongs. Incidentally, this allows us to delete some duplicated (and slightly different!) code in TRI. There are potentially other layering problems that can be cleaned up as a result, or in a similar manner. The refactoring was OK'd by Anton Korobeynikov on llvmdev. Note: this touches the target interfaces, so out-of-tree targets may be affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175788 91177308-0d34-0410-b5e6-96231b3b80d8
* Update TargetLowering ivars for name policy.Jim Grosbach2013-02-201-3/+3
| | | | | | | | | | | http://llvm.org/docs/CodingStandards.html#name-types-functions-variables-and-enumerators-properly ivars should be camel-case and start with an upper-case letter. A few in TargetLowering were starting with a lower-case letter. No functional change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175667 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Disable vector registersJustin Holewinski2013-02-1217-1997/+1274
| | | | | | | | | | | Vectors were being manually scalarized by the backend. Instead, let the target-independent code do all of the work. The manual scalarization was from a time before good target-independent support for scalarization in LLVM. However, this forces us to specially-handle vector loads and stores, which we can turn into PTX instructions that produce/consume multiple operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174968 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Make address space errors more explicit (llvm_unreachable -> ↵Justin Holewinski2013-02-091-1/+2
| | | | | | report_fatal_error) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174808 91177308-0d34-0410-b5e6-96231b3b80d8
* [PEI] Pass the frame index operand number to the eliminateFrameIndex function.Chad Rosier2013-01-312-14/+6
| | | | | | | Each target implementation was needlessly recomputing the index. Part of rdar://13076458 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174083 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up assignment of CalleeSaveStackSlotSize: get rid of the default and ↵Eli Bendersky2013-01-231-2/+3
| | | | | | explicitly set this in every target that needs to change it from the default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173270 91177308-0d34-0410-b5e6-96231b3b80d8
* NVPTX: Stop leaking memory by using a managed constant instead of a new ↵Benjamin Kramer2013-01-231-3/+5
| | | | | | | | | Argument. This is still an egregious hack since we don't have a nice interface for this kind of thing but should help the valgrind leak check buildbot to become green. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173267 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch TargetTransformInfo from an immutable analysis pass that requiresChandler Carruth2013-01-072-12/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a TargetMachine to construct (and thus isn't always available), to an analysis group that supports layered implementations much like AliasAnalysis does. This is a pretty massive change, with a few parts that I was unable to easily separate (sorry), so I'll walk through it. The first step of this conversion was to make TargetTransformInfo an analysis group, and to sink the nonce implementations in ScalarTargetTransformInfo and VectorTargetTranformInfo into a NoTargetTransformInfo pass. This allows other passes to add a hard requirement on TTI, and assume they will always get at least on implementation. The TargetTransformInfo analysis group leverages the delegation chaining trick that AliasAnalysis uses, where the base class for the analysis group delegates to the previous analysis *pass*, allowing all but tho NoFoo analysis passes to only implement the parts of the interfaces they support. It also introduces a new trick where each pass in the group retains a pointer to the top-most pass that has been initialized. This allows passes to implement one API in terms of another API and benefit when some other pass above them in the stack has more precise results for the second API. The second step of this conversion is to create a pass that implements the TargetTransformInfo analysis using the target-independent abstractions in the code generator. This replaces the ScalarTargetTransformImpl and VectorTargetTransformImpl classes in lib/Target with a single pass in lib/CodeGen called BasicTargetTransformInfo. This class actually provides most of the TTI functionality, basing it upon the TargetLowering abstraction and other information in the target independent code generator. The third step of the conversion adds support to all TargetMachines to register custom analysis passes. This allows building those passes with access to TargetLowering or other target-specific classes, and it also allows each target to customize the set of analysis passes desired in the pass manager. The baseline LLVMTargetMachine implements this interface to add the BasicTTI pass to the pass manager, and all of the tools that want to support target-aware TTI passes call this routine on whatever target machine they end up with to add the appropriate passes. The fourth step of the conversion created target-specific TTI analysis passes for the X86 and ARM backends. These passes contain the custom logic that was previously in their extensions of the ScalarTargetTransformInfo and VectorTargetTransformInfo interfaces. I separated them into their own file, as now all of the interface bits are private and they just expose a function to create the pass itself. Then I extended these target machines to set up a custom set of analysis passes, first adding BasicTTI as a fallback, and then adding their customized TTI implementations. The fourth step required logic that was shared between the target independent layer and the specific targets to move to a different interface, as they no longer derive from each other. As a consequence, a helper functions were added to TargetLowering representing the common logic needed both in the target implementation and the codegen implementation of the TTI pass. While technically this is the only change that could have been committed separately, it would have been a nightmare to extract. The final step of the conversion was just to delete all the old boilerplate. This got rid of the ScalarTargetTransformInfo and VectorTargetTransformInfo classes, all of the support in all of the targets for producing instances of them, and all of the support in the tools for manually constructing a pass based around them. Now that TTI is a relatively normal analysis group, two things become straightforward. First, we can sink it into lib/Analysis which is a more natural layer for it to live. Second, clients of this interface can depend on it *always* being available which will simplify their code and behavior. These (and other) simplifications will follow in subsequent commits, this one is clearly big enough. Finally, I'm very aware that much of the comments and documentation needs to be updated. As soon as I had this working, and plausibly well commented, I wanted to get it committed and in front of the build bots. I'll be doing a few passes over documentation later if it sticks. Commits to update DragonEgg and Clang will be made presently. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171681 91177308-0d34-0410-b5e6-96231b3b80d8
* Move all of the header files which are involved in modelling the LLVM IRChandler Carruth2013-01-0219-53/+53
| | | | | | | | | | | | | | | | | | | | | into their new header subdirectory: include/llvm/IR. This matches the directory structure of lib, and begins to correct a long standing point of file layout clutter in LLVM. There are still more header files to move here, but I wanted to handle them in separate commits to make tracking what files make sense at each layer easier. The only really questionable files here are the target intrinsic tablegen files. But that's a battle I'd rather not fight today. I've updated both CMake and Makefile build systems (I think, and my tests think, but I may have missed something). I've also re-sorted the includes throughout the project. I'll be committing updates to Clang, DragonEgg, and Polly momentarily. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8
* convert a bunch of callers from DataLayout::getIndexedOffset() to ↵Nuno Lopes2012-12-301-10/+5
| | | | | | | | | GEP::accumulateConstantOffset(). The later API is nicer than the former, and is correct regarding wrap-around offsets (if anyone cares). There are a few more places left with duplicated code, which I'll remove soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171259 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the predicate methods off of AttributeSet instead of Attribute.Bill Wendling2012-12-302-3/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171257 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove duplicate includes.Roman Divacky2012-12-211-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170902 91177308-0d34-0410-b5e6-96231b3b80d8
* MachineInstrBuilderize NVPTX.Jakob Stoklund Olesen2012-12-201-39/+30
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170794 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the 'Attributes' class to 'Attribute'. It's going to represent a ↵Bill Wendling2012-12-192-2/+2
| | | | | | single attribute in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170502 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a way of printing out an arbitrary label name for a sectionEric Christopher2012-12-131-0/+2
| | | | | | given the section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170087 91177308-0d34-0410-b5e6-96231b3b80d8
* s/AttrListPtr/AttributeSet/g to better label what this class is going to be ↵Bill Wendling2012-12-072-2/+2
| | | | | | in the near future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169651 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Fix crash with unnamed struct argumentsJustin Holewinski2012-12-051-1/+1
| | | | | | Patch by Eric Holk git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169418 91177308-0d34-0410-b5e6-96231b3b80d8
* Sort includes for all of the .h files under the 'lib' tree. These wereChandler Carruth2012-12-049-18/+18
| | | | | | | | | | missed in the first pass because the script didn't yet handle include guards. Note that the script is now able to handle all of these headers without manual edits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
* Use the new script to sort the includes of every file under lib.Chandler Carruth2012-12-0312-67/+67
| | | | | | | | | | | | | | | | | Sooooo many of these had incorrect or strange main module includes. I have manually inspected all of these, and fixed the main module include to be the nearest plausible thing I could find. If you own or care about any of these source files, I encourage you to take some time and check that these edits were sensible. I can't have broken anything (I strictly added headers, and reordered them, never removed), but they may not be the headers you'd really like to identify as containing the API being implemented. Many forward declarations and missing includes were added to a header files to allow them to parse cleanly when included first. The main module rule does in fact have its merits. =] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169131 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow targets to prefer TypeSplitVector over TypePromoteInteger when ↵Justin Holewinski2012-11-292-0/+7
| | | | | | | | computing the legalization method for vectors For some targets, it is desirable to prefer scalarizing <N x i1> instead of promoting to a larger legal type, such as <N x i32>. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168882 91177308-0d34-0410-b5e6-96231b3b80d8
* [NVPTX] Order global variables in def-use order before emiting them in the ↵Justin Holewinski2012-11-161-3/+67
| | | | | | final assembly git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168198 91177308-0d34-0410-b5e6-96231b3b80d8
* NVPTXISelLowering.cpp: Fix warnings. [-Wunused-variable]NAKAMURA Takumi2012-11-141-6/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168001 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix invalid asserts, use llvm_unreachable instead.Jakub Staszak2012-11-141-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167976 91177308-0d34-0410-b5e6-96231b3b80d8
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