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2012-12-22Fix some undefined behavior when parsing YAML input: don't try to compare anRichard Smith
uninitialized value against a default value. Found by -fsanitize=enum. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170970 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21Add a missing assertion, the null register has no register units.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170916 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21[msan] Remove unreachable blocks before instrumenting a function.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170883 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21Add a function to get the segment name of a section.Rafael Espindola
On MachO, sections also have segment names. When a tool looking at a .o file prints a segment name, this is what they mean. In reality, a .o has only one anonymous, segment. This patch adds a MachO only function to fetch that segment name. I named it getSectionFinalSegmentName since the main use for the name seems to be inform the linker with segment this section should go to. The patch also changes MachOObjectFile::getSectionName to return just the section name instead of computing SegmentName,SectionName. The main difference from the previous patch is that it doesn't use InMemoryStruct. It is extremely dangerous: if the endians match it returns a pointer to the file buffer, if not, it returns a pointer to an internal buffer that is overwritten in the next API call. We should change all of this code to use support::detail::packed_endian_specific_integral like ELF, but since these functions only handle strings, they work with big and little endian machines as is. I have tested this by installing ubuntu 12.10 ppc on qemu, that is why it took so long :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21Add targets to skip running the GC passes.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170836 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Require the two-argument MI::addOperand(MF, MO) for dangling instructions.Jakob Stoklund Olesen
Instructions that are inserted in a basic block can still be decorated with addOperand(MO). Make the two-argument addOperand() function contain the actual implementation. This function will now always have a valid MF reference that it can use for memory allocation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170798 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Add an MF argument to MI::copyImplicitOps().Jakob Stoklund Olesen
This function is often used to decorate dangling instructions, so a context reference is required to allocate memory for the operands. Also add a corresponding MachineInstrBuilder method. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170797 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Use two-arg addOperand(MF, MO) internally in MachineInstr when possible.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170796 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Some random comment, naming, and format changes.Bill Wendling
Rename the AttributeImpl* from Attrs to pImpl to be consistent with other code. Add comments where none were before. Or doxygen-ify other comments. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Remove two dead functions.Jakob Stoklund Olesen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170766 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Revert "Adding support for llvm.arm.neon.vaddl[su].* and"Bob Wilson
This reverts r170694. The operations can be represented in IR without adding any new intrinsics. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170765 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Aligned bundling support. Following the discussion here:Eli Bendersky
http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-December/056754.html The proposal and implementation are fully documented here: https://sites.google.com/a/chromium.org/dev/nativeclient/pnacl/aligned-bundling-support-in-llvm Tests will follow shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170718 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Fix inadvertant delete of 'has'.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170713 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Use MachineInstrBuilder in InstrEmitter.Jakob Stoklund Olesen
This is supposed to be a mechanical change with no functional effects. InstrEmitter can generate all types of MachineOperands which revealed that MachineInstrBuilder was missing a few methods, added by this patch. Besides providing a context pointer to MI::addOperand(), MachineInstrBuilder seems like a better fit for this code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170712 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Add a new attribute, 'noduplicate'. If a function contains a noduplicate ↵James Molloy
call, the call cannot be duplicated - Jump threading, loop unrolling, loop unswitching, and loop rotation are inhibited if they would duplicate the call. Similarly inlining of the function is inhibited, if that would duplicate the call (in particular inlining is still allowed when there is only one callsite and the function has internal linkage). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170704 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Remove MCTargetAsmLexer and its derived classes now that edis,Roman Divacky
its only user, is gone. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170699 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Adding support for llvm.arm.neon.vaddl[su].* andRenato Golin
llvm.arm.neon.vsub[su].* intrinsics. Patch by Pete Couperus <pjcoup@gmail.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Don't use -1 as a value of an unsigned 7-bit enumeration; that has undefinedRichard Smith
behavior and violates the !range constraints we put on loads of this enum. Found by clang -fsanitize=enum. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170653 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Don't leave IsUnsigned uninitialized in a default-constructed APSInt. CopyingRichard Smith
such a structure has undefined behavior. Caught by -fsanitize=bool. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170652 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20s/AttributesImpl/AttributeImpl/g This is going to apply to Attribute, not ↵Bill Wendling
Attributes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170631 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Clean up some DOxygen comments.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170629 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-20Clean up some DOxygen comments.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170628 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19MC: Add MCInstrDesc::mayAffectControlFlow() method.Jim Grosbach
MC disassembler clients (LLDB) are interested in querying if an instruction may affect control flow other than by virtue of being an explicit branch instruction. For example, instructions which write directly to the PC on some architectures. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170610 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Add isSubRegisterEq() and isSuperRegisterEq().Jim Grosbach
isSub and isSuper return false if RegA == RegB. Add variants which also include the identity function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170609 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Move isSubRegister() and isSuperRegister to MCRegisterInfo.Jim Grosbach
These were defined on TargetRegisterInfo, but they don't use any information that's not available in MCRegisterInfo, so sink them down to be available at the MC layer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170608 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Fix doc comment. '///' not '//'.Jim Grosbach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170607 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Refactor isIntrinsic() to be quicker, and change classof() (and thus, ↵Michael Ilseman
isa<IntrinsicInst>()) to use it. This decreases the number of occurrences of the slow-path string matching performed by getIntrinsicID(). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170602 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19s/AttributeListImpl/AttributeSetImpl/g to match the namechange of AttributeList.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170600 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Always use addOperand(MF, MO) from MachineInstrBuilder.Jakob Stoklund Olesen
The single-argument MachineInstr::addOperand(MO) will be removed soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170599 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Remove the explicit MachineInstrBuilder(MI) constructor.Jakob Stoklund Olesen
Use the version that also takes an MF reference instead. It would technically be possible to extract an MF reference from the MI as MI->getParent()->getParent(), but that would not work for MIs that are not inserted into any basic block. Given the reasonably small number of places this constructor was used at all, I preferred the compile time check to a run time assertion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170588 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Remove edis remnant.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170580 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Remove edis - the enhanced disassembler. Fixes PR14654.Roman Divacky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Add an MF argument to MachineInstr::addOperand().Jakob Stoklund Olesen
Just like for addMemOperand(), the function pointer provides a context for allocating memory. This will make it possible to use a better memory allocation strategy for the MI operand list, which is currently a slow std::vector. Most calls to addOperand() come from MachineInstrBuilder, so give that class an MF reference as well. Code using BuildMI() won't need changing at all since the MF reference is already required to allocate a MachineInstr. Future patches will fix code that calls MI::addOperand(Op) directly, as well as code that uses the now deprecated MachineInstrBuilder(MI) constructor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170574 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Remove superfluous brief command from getAsString.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170569 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change AsmOperandInfo::ConstraintVT to MVT, instead of EVT.Patrik Hagglund
Accordingly, add MVT::getVT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170550 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Revert 170545 while I debug the ppc failures.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170547 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Make TargetLowering::getTypeConversion more resilient against odd illegal MVTs.Benjamin Kramer
- An MVT can become an EVT when being split (e.g. v2i8 -> v1i8, the latter doesn't exist) - Return the scalar value when an MVT is scalarized (v1i64 -> i64) Fixes PR14639ff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170546 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Add r170095 back.Rafael Espindola
I cannot reproduce it the failures locally, so I will keep an eye at the ppc bots. This patch does add the change to the "Disassembly of section" message, but that is not what was failing on the bots. Original message: Add a funciton to get the segment name of a section. On MachO, sections also have segment names. When a tool looking at a .o file prints a segment name, this is what they mean. In reality, a .o has only one anonymous, segment. This patch adds a MachO only function to fetch that segment name. I named it getSectionFinalSegmentName since the main use for the name seems to be infor the linker with segment this section should go to. The patch also changes MachOObjectFile::getSectionName to return just the section name instead of computing SegmentName,SectionName. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170545 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19[msan] Add track-origins argument to the pass constructor.Evgeniy Stepanov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::getTypeForExtArgOrReturn to take and returnPatrik Hagglund
MVTs, instead of EVTs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170537 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change a parameter of TargetLowering::getVectorTypeBreakdown to MVT,Patrik Hagglund
from EVT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::RegisterTypeForVT to contain MVTs, instead ofPatrik Hagglund
EVTs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170535 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::TransformToType to contain MVTs, instead ofPatrik Hagglund
EVTs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170534 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::getRepRegClassCostFor, getIndexedLoadAction,Patrik Hagglund
getIndexedStoreAction, and addRegisterClass to take and MVT, instead of EVT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170533 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::findRepresentativeClass to take an MVT, insteadPatrik Hagglund
of EVT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170532 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::getTypeToPromoteTo to take and return MVTs,Patrik Hagglund
instead of EVTs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170529 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19MapVector: Add lookup().Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170527 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::isCondCodeLegal to take an MVT, instead of EVT.Patrik Hagglund
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170524 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Change TargetLowering::getCondCodeAction to take an MVT, instead ofPatrik Hagglund
EVT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170522 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Inline hasFunctionOnlyAttrs into its only use.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170518 91177308-0d34-0410-b5e6-96231b3b80d8
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