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* Remove tabs.Bill Wendling2012-07-191-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160477 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove tabs.Bill Wendling2012-07-191-9/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160476 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove variable_ops from call instructions in most targets.Jakob Stoklund Olesen2012-07-131-2/+2
| | | | | | | | Call instructions are no longer required to be variadic, and variable_ops should only be used for instructions that encode a variable number of arguments, like the ARM stm/ldm instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160189 91177308-0d34-0410-b5e6-96231b3b80d8
* Add all codegen passes to the PassManager via TargetPassConfig.Bob Wilson2012-07-021-3/+3
| | | | | | | | This is a preliminary step toward having TargetPassConfig be able to start and stop the compilation at specified passes for unit testing and debugging. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159567 91177308-0d34-0410-b5e6-96231b3b80d8
* There are a number of generic inline asm operand modifiers thatJack Carter2012-06-261-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | up to r158925 were handled as processor specific. Making them generic and putting tests for these modifiers in the CodeGen/Generic directory caused a number of targets to fail. This commit addresses that problem by having the targets call the generic routine for generic modifiers that they don't currently have explicit code for. For now only generic print operands 'c' and 'n' are supported.vi Affected files: test/CodeGen/Generic/asm-large-immediate.ll lib/Target/PowerPC/PPCAsmPrinter.cpp lib/Target/NVPTX/NVPTXAsmPrinter.cpp lib/Target/ARM/ARMAsmPrinter.cpp lib/Target/XCore/XCoreAsmPrinter.cpp lib/Target/X86/X86AsmPrinter.cpp lib/Target/Hexagon/HexagonAsmPrinter.cpp lib/Target/CellSPU/SPUAsmPrinter.cpp lib/Target/Sparc/SparcAsmPrinter.cpp lib/Target/MBlaze/MBlazeAsmPrinter.cpp lib/Target/Mips/MipsAsmPrinter.cpp MSP430 isn't represented because it did not even run with the long existing 'c' modifier and it was not apparent what needs to be done to get it inline asm ready. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159203 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm/lib: [CMake] Add explicit dependency to intrinsics_gen.NAKAMURA Takumi2012-06-241-0/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159112 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r158679 - use case is unclear (and it increases the memory footprint).Hal Finkel2012-06-221-1/+1
| | | | | | | | | | Original commit message: Allow up to 64 functional units per processor itinerary. This patch changes the type used to hold the FU bitset from unsigned to uint64_t. This will be needed for some upcoming PowerPC itineraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159027 91177308-0d34-0410-b5e6-96231b3b80d8
* Allow up to 64 functional units per processor itinerary.Hal Finkel2012-06-181-1/+1
| | | | | | | This patch changes the type used to hold the FU bitset from unsigned to uint64_t. This will be needed for some upcoming PowerPC itineraries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158679 91177308-0d34-0410-b5e6-96231b3b80d8
* Round 2 of dead private variable removal.Benjamin Kramer2012-06-063-12/+1
| | | | | | | | LLVM is now -Wunused-private-field clean except for - lib/MC/MCDisassembler/Disassembler.h. Not sure why it keeps all those unaccessible fields. - gtest. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158096 91177308-0d34-0410-b5e6-96231b3b80d8
* Change interface for TargetLowering::LowerCallTo and TargetLowering::LowerCallJustin Holewinski2012-05-252-17/+18
| | | | | | | | | | to pass around a struct instead of a large set of individual values. This cleans up the interface and allows more information to be added to the struct for future targets without requiring changes to each and every target. NV_CONTRIB git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157479 91177308-0d34-0410-b5e6-96231b3b80d8
* Add an MF argument to TRI::getPointerRegClass() and TII::getRegClass().Jakob Stoklund Olesen2012-05-072-2/+3
| | | | | | | | | | | | | The getPointerRegClass() hook can return register classes that depend on the calling convention of the current function (ptr_rc_tailcall). So far, we have been able to infer the calling convention from the subtarget alone, but as we add support for multiple calling conventions per target, that no longer works. Patch by Yiannis Tsiouris! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156328 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the PassManager from a reference to a pointer.Bill Wendling2012-05-011-3/+3
| | | | | | | | | | The TargetPassManager's default constructor wants to initialize the PassManager to 'null'. But it's illegal to bind a null reference to a null l-value. Make the ivar a pointer instead. PR12468 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155902 91177308-0d34-0410-b5e6-96231b3b80d8
* Update the documentation of CellSPU, in case it gets removed in 3.1.Kalle Raiskila2012-04-291-0/+14
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155797 91177308-0d34-0410-b5e6-96231b3b80d8
* This patch fixes a problem which arose when using the Post-RA schedulerPreston Gurd2012-04-231-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | on X86 Atom. Some of our tests failed because the tail merging part of the BranchFolding pass was creating new basic blocks which did not contain live-in information. When the anti-dependency code in the Post-RA scheduler ran, it would sometimes rename the register containing the function return value because the fact that the return value was live-in to the subsequent block had been lost. To fix this, it is necessary to run the RegisterScavenging code in the BranchFolding pass. This patch makes sure that the register scavenging code is invoked in the X86 subtarget only when post-RA scheduling is being done. Post RA scheduling in the X86 subtarget is only done for Atom. This patch adds a new function to the TargetRegisterClass to control whether or not live-ins should be preserved during branch folding. This is necessary in order for the anti-dependency optimizations done during the PostRASchedulerList pass to work properly when doing Post-RA scheduling for the X86 in general and for the Intel Atom in particular. The patch adds and invokes the new function trackLivenessAfterRegAlloc() instead of using the existing requiresRegisterScavenging(). It changes BranchFolding.cpp to call trackLivenessAfterRegAlloc() instead of requiresRegisterScavenging(). It changes the all the targets that implemented requiresRegisterScavenging() to also implement trackLivenessAfterRegAlloc(). It adds an assertion in the Post RA scheduler to make sure that post RA liveness information is available when it is needed. It changes the X86 break-anti-dependencies test to use –mcpu=atom, in order to avoid running into the added assertion. Finally, this patch restores the use of anti-dependency checking (which was turned off temporarily for the 3.1 release) for Intel Atom in the Post RA scheduler. Patch by Andy Zhang! Thanks to Jakob and Anton for their reviews. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155395 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert more uses of XXXRegisterClass to &XXXRegClass. No functional change ↵Craig Topper2012-04-202-35/+35
| | | | | | since they are equivalent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155188 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert some uses of XXXRegisterClass to &XXXRegClass. No functional change ↵Craig Topper2012-04-201-40/+36
| | | | | | since they are equivalent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155186 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused CCIfSubtarget.Jay Foad2012-04-171-4/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154921 91177308-0d34-0410-b5e6-96231b3b80d8
* Always compute all the bits in ComputeMaskedBits.Rafael Espindola2012-04-042-2/+0
| | | | | | | | This allows us to keep passing reduced masks to SimplifyDemandedBits, but know about all the bits if SimplifyDemandedBits fails. This allows instcombine to simplify cases like the one in the included testcase. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154011 91177308-0d34-0410-b5e6-96231b3b80d8
* Prune some includesCraig Topper2012-03-271-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153502 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unnecessary llvm:: qualificationsCraig Topper2012-03-271-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153500 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some unnecessary forward declarations.Craig Topper2012-03-221-2/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153245 91177308-0d34-0410-b5e6-96231b3b80d8
* Reorder includes in Target backends to following coding standards. Remove ↵Craig Topper2012-03-176-8/+5
| | | | | | some superfluous forward declarations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152997 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove global map. This code isn't even hot.Benjamin Kramer2012-03-111-38/+28
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152544 91177308-0d34-0410-b5e6-96231b3b80d8
* Use uint16_t to store registers and opcode in static tables in the target ↵Craig Topper2012-03-111-2/+2
| | | | | | specific backends. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152537 91177308-0d34-0410-b5e6-96231b3b80d8
* Use uint16_t to store registers in callee saved register tables to reduce ↵Craig Topper2012-03-042-3/+3
| | | | | | size of static data. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151996 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-commit r151623 with fix. Only issue special no-return calls if it's a ↵Evan Cheng2012-02-282-4/+5
| | | | | | direct call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151645 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert r151623 "Some ARM implementaions, e.g. A-series, does return stack ↵Daniel Dunbar2012-02-282-5/+4
| | | | | | prediction. ...", it is breaking the Clang build during the Compiler-RT part. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151630 91177308-0d34-0410-b5e6-96231b3b80d8
* Some ARM implementaions, e.g. A-series, does return stack prediction. That is,Evan Cheng2012-02-282-4/+5
| | | | | | | | | | | | | | | | | | the processor keeps a return addresses stack (RAS) which stores the address and the instruction execution state of the instruction after a function-call type branch instruction. Calling a "noreturn" function with normal call instructions (e.g. bl) can corrupt RAS and causes 100% return misprediction so LLVM should use a unconditional branch instead. i.e. mov lr, pc b _foo The "mov lr, pc" is issued in order to get proper backtrace. rdar://8979299 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151623 91177308-0d34-0410-b5e6-96231b3b80d8
* Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, ↵Jia Liu2012-02-1824-35/+35
| | | | | | MSP430, PPC, PTX, Sparc, X86, XCore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150878 91177308-0d34-0410-b5e6-96231b3b80d8
* unnecessary includeAndrew Trick2012-02-101-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150228 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert assert(0) to llvm_unreachableCraig Topper2012-02-071-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149961 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert assert(0) to llvm_unreachableCraig Topper2012-02-051-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149814 91177308-0d34-0410-b5e6-96231b3b80d8
* TargetPassConfig: confine the MC configuration to TargetMachine.Andrew Trick2012-02-042-8/+5
| | | | | | | | | | Passes prior to instructon selection are now split into separate configurable stages. Header dependencies are simplified. The bulk of this diff is simply removal of the silly DisableVerify flags. Sorry for the target header churn. Attempting to stabilize them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149754 91177308-0d34-0410-b5e6-96231b3b80d8
* Added TargetPassConfig. The first little step toward configuring codegen passes.Andrew Trick2012-02-032-11/+32
| | | | | | | | | | | Allows command line overrides to be centralized in LLVMTargetMachine.cpp. LLVMTargetMachine can intercept common passes and give precedence to command line overrides. Allows adding "internal" target configuration options without touching TargetOptions. Encapsulates the PassManager. Provides a good point to initialize all CodeGen passes so that Pass ID's can be used in APIs. Allows modifying the target configuration hooks without rebuilding the world. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149672 91177308-0d34-0410-b5e6-96231b3b80d8
* More dead code removal (using -Wunreachable-code)David Blaikie2012-01-203-28/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove VectorExtras. This unused helper was written for a type of API that ↵Benjamin Kramer2012-01-071-1/+0
| | | | | | is discouraged now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147738 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix up the CMake build for the new files added in r146960, they'reChandler Carruth2011-12-201-0/+1
| | | | | | likely to stay either way that discussion ends up resolving itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146966 91177308-0d34-0410-b5e6-96231b3b80d8
* Unweaken vtables as per ↵David Blaikie2011-12-204-2/+21
| | | | | | http://llvm.org/docs/CodingStandards.html#ll_virtual_anch git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8
* Initial CodeGen support for CTTZ/CTLZ where a zero input produces anChandler Carruth2011-12-131-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | undefined result. This adds new ISD nodes for the new semantics, selecting them when the LLVM intrinsic indicates that the undef behavior is desired. The new nodes expand trivially to the old nodes, so targets don't actually need to do anything to support these new nodes besides indicating that they should be expanded. I've done this for all the operand types that I could figure out for all the targets. Owners of various targets, please review and let me know if any of these are incorrect. Note that the expand behavior is *conservatively correct*, and exactly matches LLVM's current behavior with these operations. Ideally this patch will not change behavior in any way. For example the regtest suite finds the exact same instruction sequences coming out of the code generator. That's why there are no new tests here -- all of this is being exercised by the existing test suite. Thanks to Duncan Sands for reviewing the various bits of this patch and helping me get the wrinkles ironed out with expanding for each target. Also thanks to Chris for clarifying through all the discussions that this is indeed the approach he was looking for. That said, there are likely still rough spots. Further review much appreciated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146466 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMBuild: Introduce a common section which currently has a list of theDaniel Dunbar2011-12-121-0/+3
| | | | | | | | | | | subdirectories to traverse into. - Originally I wanted to avoid this and just autoscan, but this has one key flaw in that new subdirectories can not automatically trigger a rerun of the llvm-build tool. This is particularly a pain when switching back and forth between trees where one has added a subdirectory, as the dependencies will tend to be wrong. This will also eliminates FIXME implicitly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146436 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMBuild: Remove trailing newline, which irked me.Daniel Dunbar2011-12-123-3/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146409 91177308-0d34-0410-b5e6-96231b3b80d8
* Move global variables in TargetMachine into new TargetOptions class. As an APINick Lewycky2011-12-023-3/+5
| | | | | | | | | | | | | change, now you need a TargetOptions object to create a TargetMachine. Clang patch to follow. One small functionality change in PTX. PTX had commented out the machine verifier parts in their copy of printAndVerify. That now calls the version in LLVMTargetMachine. Users of PTX who need verification disabled should rely on not passing the command-line flag to enable it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145714 91177308-0d34-0410-b5e6-96231b3b80d8
* build/CMake: Finish removal of add_llvm_library_dependencies.Daniel Dunbar2011-11-293-23/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145420 91177308-0d34-0410-b5e6-96231b3b80d8
* Sink codegen optimization level into MCCodeGenInfo along side relocation modelEvan Cheng2011-11-163-11/+12
| | | | | | | | and code model. This eliminates the need to pass OptLevel flag all over the place and makes it possible for any codegen pass to use this information. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144788 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some unnecessary includes of PseudoSourceValue.h.Jay Foad2011-11-151-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144631 91177308-0d34-0410-b5e6-96231b3b80d8
* build: Attempt to rectify inconsistencies between CMake and LLVMBuild ↵Daniel Dunbar2011-11-122-2/+2
| | | | | | | | versions of explicit dependencies. - The hope is that we have a tool/test to verify these are accurate (and tight) soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144444 91177308-0d34-0410-b5e6-96231b3b80d8
* LLVMBuild: Add explicit information on whether targets define an assembly ↵Daniel Dunbar2011-11-111-0/+1
| | | | | | printer, assembly parser, or disassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144344 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-build: Add --native-target and --enable-targets options, and add logic toDaniel Dunbar2011-11-101-1/+0
| | | | | | | | | | handle defining the "magic" target related components (like native, nativecodegen, and engine). - We still require these components to be in the project (currently in lib/Target) so that we have a place to document them and hopefully make it more obvious that they are "magic". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144253 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-build: Add an explicit component type to represent targets.Daniel Dunbar2011-11-101-1/+1
| | | | | | - Gives us a place to hang target specific metadata (like whether the target has a JIT). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144250 91177308-0d34-0410-b5e6-96231b3b80d8
* Added invariant field to the DAG.getLoad method and changed all calls.Pete Cooper2011-11-082-6/+9
| | | | | | | When this field is true it means that the load is from constant (runt-time or compile-time) and so can be hoisted from loops or moved around other memory accesses git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144100 91177308-0d34-0410-b5e6-96231b3b80d8
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