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2013-01-12Add a unit test to verifies that attribute uniquing works so it doesn't ↵Benjamin Kramer
break again. The folding set details can be subtle and broke twice in the last couple of weeks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172313 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fix broken links around Itanium C++ ABI in documentation.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172312 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fixed debug message in ObjCARC.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172299 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fixed a few debug messages in ObjCARC and added one.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172298 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fix quoting problems from my previous change. <rdar://problem/13001651>Bob Wilson
I give up trying to get all of the settings into COMMON_MAKEFLAGS, so just do the easy thing and repeat the ones with interesting quoting issues in each make command. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172296 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fixed bug in ObjCARC where we were changing a call from objc_autoreleaseRV ↵Michael Gottesman
=> objc_autorelease but were not updating the InstructionClass to IC_Autorelease. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172288 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fixed a bug where we were tail calling objc_autorelease causing an object to ↵Michael Gottesman
not be placed into an autorelease pool. The reason that this occurs is that tail calling objc_autorelease eventually tail calls -[NSObject autorelease] which supports fast autorelease. This can cause us to violate the semantic gaurantees of __autoreleasing variables that assignment to an __autoreleasing variables always yields an object that is placed into the innermost autorelease pool. The fix included in this patch works by: 1. In the peephole optimization function OptimizeIndividualFunctions, always remove tail call from objc_autorelease. 2. Whenever we convert to/from an objc_autorelease, set/unset the tail call keyword as appropriate. *NOTE* I also handled the case where objc_autorelease is converted in OptimizeReturns to an autoreleaseRV which still violates the ARC semantics. I will be removing that in a later patch and I wanted to make sure that the tree is in a consistent state vis-a-vis ARC always. Additionally some test cases are provided and all tests that have tail call marked objc_autorelease keywords have been modified so that tail call has been removed. *NOTE* One test fails due to a separate bug that I am going to commit soon. Thus I marked the check line TMP: instead of CHECK: so make check does not fail. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172287 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12This patch tackles the problem of parsing Mips Jack Carter
register names in the standalone assembler llvm-mc. Registers such as $A1 can represent either a 32 or 64 bit register based on the instruction using it. In addition, based on the abi, $T0 can represent different 32 bit registers. The problem is resolved by the Mips specific AsmParser td definitions changing to work together. Many cases of RegisterClass parameters are now RegisterOperand. Contributer: Vladimir Medic git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172284 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Limit the search space in RAGreedy::tryEvict().Jakob Stoklund Olesen
When tryEvict() is looking for a cheaper register in the allocation order, skip the tail of too expensive registers when possible. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172281 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Precompute some information about register costs.Jakob Stoklund Olesen
Remember the minimum cost of the registers in an allocation order and the number of registers at the end of the allocation order that have the same cost per use. This information can be used to limit the search space for RAGreedy::tryEvict() when looking for a cheaper register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172280 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Stop hiding the interface-exposed EatToEndOfStatement (see r172276).Eli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172277 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Make ParseIdentifier a public method instead of private.Eli Bendersky
The MCAsmParser interface defines ParseIdentifier is public. There's no reason whatsoever for AsmParser (which implements the MCAsmParser interface) to hide this method. This is all part of a bigger scheme. Several asm parsing "extensions" use the main parser properly through the MCAsmParser interface. However, GenericAsmParser has much more exclusive access and uses implementation details from the concrete implementation - AsmParser, in which it is also declared as a friend. This makes for overly coupled code, and even makes it hard to split GenericAsmParser into a separate file. There's no reason why GenericAsmParser shouldn't be able to access AsmParser through an abstract interface, as long as it's actually registered as an extension. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172276 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Replace DepLibs bitcode record with metadataDerek Schuff
It keeps the same Module interface as the existing/old deplibs feature, but populates the library list from the metadata after reading the bitcode/LL into the Module. Keeping the same module interface will allow us to keep the existing uses (e.g. in the gold plugin) as they are. Internally it still uses the LibraryList variable, but uses it basically as a cache backed by the metadata. BUG= Review URL: https://codereview.chromium.org/11615013
2013-01-11Fixed whitespace.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172271 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11PPC: Implement efficient lowering of sign_extend_inreg.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172269 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Proof of concept moving of generic directive parsing from AsmParser to theEli Bendersky
GenericAsmParser extension, where a lot of directives are already being parsed. The end goal is having just a single place (and a single lookup table) for all directive parsing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Update patch for the pad short functions pass for Intel Atom (only).Preston Gurd
Adds a check for -Oz, changes the code to not re-visit BBs, and skips over DBG_VALUE instrs. Patch by Andy Zhang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172258 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Merge commit '1ad9253c9d34ccbce3e7e4ea5d87c266cbf93410'Derek Schuff
deplib features commented out due to removal upstream; will add back as a localmod Conflicts: include/llvm/ADT/Triple.h include/llvm/MC/MCAssembler.h include/llvm/Target/TargetFrameLowering.h lib/CodeGen/AsmPrinter/DwarfDebug.cpp lib/CodeGen/AsmPrinter/DwarfDebug.h lib/CodeGen/BranchFolding.cpp lib/LLVMBuild.txt lib/Linker/LinkArchives.cpp lib/MC/MCAssembler.cpp lib/MC/MCELFStreamer.cpp lib/Makefile lib/Target/ARM/ARMExpandPseudoInsts.cpp lib/Target/ARM/ARMFrameLowering.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/ARMSubtarget.h lib/Target/ARM/ARMTargetObjectFile.cpp lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp lib/Target/Mips/MipsInstrFPU.td lib/Target/Mips/MipsInstrInfo.td lib/Target/X86/X86CodeEmitter.cpp lib/Target/X86/X86Subtarget.h lib/VMCore/Module.cpp test/MC/MachO/ARM/nop-armv4-padding.s tools/Makefile tools/llc/llc.cpp tools/lto/LTOModule.cpp tools/lto/lto.cpp
2013-01-11Remove some accidentaly duplicated code. This needs urgent cleanup :(Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172248 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Added debug messages to GlobalOpt.Michael Gottesman
Specifically: 1. Added a missing new line when we emit a debug message saying that we are marking a global variable as constant. 2. Added debug messages that describe what is occuring when GlobalOpt is evaluating a block/function. 3. Added a debug message that says what specific constructor is being evaluated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172247 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Split TargetLowering into a CodeGen and a SelectionDAG part.Benjamin Kramer
This fixes some of the cycles between libCodeGen and libSelectionDAG. It's still a complete mess but as long as the edges consist of virtual call it doesn't cause breakage. BasicTTI did static calls and thus broke some build configurations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172246 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11ARM Cost Model: Modify the target independent cost model to askNadav Rotem
the target if it supports the different CAST types. We didn't do this on X86 because of the different register sizes and types, but on ARM this makes sense. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172245 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Remove PTX->NVPTX in CodeGenerator document and update its text.Justin Holewinski
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172235 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Update CodeGenerator document to add a "Not Applicable" category to theJustin Holewinski
Target Feature Matrix, and update the PTX column with this new category. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172234 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11For inline asm:Eric Christopher
- recognize string "{memory}" in the MI generation - mark as mayload/maystore when there's a memory clobber constraint. PR14859. Patch by Krzysztof Parzyszek git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172228 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Follow-up typo correction from building the wrong branch.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172224 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Fix typo from r170452. Affects -enable-misched heuristics.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172223 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Update CMakeLists for CallPrinter.cpp.Andrew Trick
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172222 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Added -view-callgraph module pass.Andrew Trick
-dot-callgraph similarly follows a standard module pass pattern. Patch by Speziale Ettore! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172220 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Fix bug in exception table allocation (PR13678)Eli Bendersky
Patch by Michael Muller. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172214 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Remove lib/Target/PTX directory. It was empty and obsolete but apparently ↵Justin Holewinski
git-svn does not remove empty directories. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172199 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Simplify writing floating types to assembly.Tim Northover
This removes previous special cases for each floating-point type in favour of a shared codepath. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172189 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11llvm-symbolizer: add DATA command that allows to symbolize global variables.Dmitry Vyukov
Example: >DATA bin/clang 0x26e8e40 <llvm::SparcSubTypeKV <40799808 416 The last line is address and size of the object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172180 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11ARM Cost Model: We need to detect the max bitwidth of types in the loop in ↵Nadav Rotem
order to select the max vectorization factor. We don't have a detailed analysis on which values are vectorized and which stay scalars in the vectorized loop so we use another method. We look at reduction variables, loads and stores, which are the only ways to get information in and out of loop iterations. If the data types are extended and truncated then the cost model will catch the cost of the vector zext/sext/trunc operations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172178 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Converted test dont-tce-tail-marked-call.ll to use FileCheck.Michael Gottesman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172172 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11This commit is a 4x squash commit consisting of 4x functions converted to ↵Michael Gottesman
use FileCheck instead of grep. Messages: Converted test case trivial_codegen_tailcall.ll to use FileCheck. Converted test return_constant.ll to use FileCheck instead of grep. Converted test reorder_load.ll to use FileCheck instead of grep. Converted test intervening-inst.ll to use FileCheck instead of grep. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172171 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Revert r172153, "llvm/lib/MC/MCParser/AsmParser.cpp: [ms-inline-asm] Fix a ↵NAKAMURA Takumi
couple of undefined behaviors. Operand->needAddressOf() is not initialized at !Operand->isReg()." It has been redundant since r172157. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172166 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11SMDiagnostic: don't emit ranges if there are /any/ multibyte characters.Jordan Rose
Right now, only OS X has a way to determine the column width of a string (PR14910). Until we have a good way to deal with this, we just won't print carets, source ranges, or fixits for SMDiagnostic if the source line has multibyte characters in it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172164 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11docs: Fix long standing linking antipattern.Sean Silva
Before we learned about :doc:, we used :ref: and put a dummy link at the top of each page. Don't do that anymore. This fixes PR14891 as a special case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172162 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11docs: fix misleading description.Sean Silva
PR14890 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172160 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Support for half intrinsics. Pushes MMX into slower encoding path.Michael Ilseman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172159 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11X86AsmParser.cpp: Fix up r172148, to add initializer in another CreateMem().NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172157 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Add a new portability macro LLVM_FUNCTION_NAME, that expands to __func__, ifDmitri Gribenko
supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172156 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11LoopPass.h doesn't require Function.h. Remove unneeded #include.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172155 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11llvm/lib/MC/MCParser/AsmParser.cpp: [ms-inline-asm] Fix a couple of ↵NAKAMURA Takumi
undefined behaviors. Operand->needAddressOf() is not initialized at !Operand->isReg(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172153 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Remove heavy and unused #inclues from X86TargetObjectFile.cpp.Jakub Staszak
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172151 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Rename enumerations s/VK/DK/ to conform to naming conventionEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172149 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10[ms-inline asm] Make sure we set a default value for AddressOf. Follow on toChad Rosier
r172121. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172148 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10fix comments a bitEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172146 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10PR14904: Segmentation fault running pass 'Recognize loop idioms'Shuxin Yang
The root cause is mistakenly taking for granted that "dyn_cast<Instruction>(a-Value)" return a non-NULL instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172145 91177308-0d34-0410-b5e6-96231b3b80d8
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