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2013-01-10Fix a race condition in the lock-file manager: once the lock file isDouglas Gregor
gone, check for the actual file we care about. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172033 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Fix a race condition in llvm::sys::path::unique_file: when we end upDouglas Gregor
failing to create the unique file because the path doesn't exist, don't fail if someone else manages to create the path before we do. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172032 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Support headerless bundles in MachineInstr::hasProperty().Jakob Stoklund Olesen
This function can still work without a BUNDLE header instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172029 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Stack Alignment: throw error if we can't satisfy the minimal alignmentManman Ren
requirement when creating stack objects in MachineFrameInfo. Add CreateStackObjectWithMinAlign to throw error when the minimal alignment can't be achieved and to clamp the alignment when the preferred alignment can't be achieved. Same is true for CreateVariableSizedObject. Will not emit error in CreateSpillStackObject or CreateStackObject. As long as callers of CreateStackObject do not assume the object will be aligned at the requested alignment, we should not have miscompile since later optimizations which look at the object's alignment will have the correct information. rdar://12713765 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172027 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10[Object][Archive] Fix name handling with bsd style long names.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172026 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10[Object][Archive] Apparently StringRef::getAsInteger for APInt accepts spaces.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172022 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Revert s/Raw/getBitMask/g name change. This is possibly causing LTO test ↵Bill Wendling
hangings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172020 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09[Object][Archive] Use uint64_t instead of APInt. It is significantly faster.Michael J. Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172015 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Fix description of ARMOperandJoel Jones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172011 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09ARM Cost model: Use the size of vector registers and widest vectorizable ↵Nadav Rotem
instruction to determine the max vectorization factor. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172010 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Fix a DAG combine bug visitBRCOND() is transforming br(xor(x, y)) to br(x != y).Evan Cheng
It cahced XOR's operands before calling visitXOR() but failed to update the operands when visitXOR changed the XOR node. rdar://12968664 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171999 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Move the internal PrintStackTrace function that is used for ↵Argyrios Kyrtzidis
llvm::sys::PrintStackTraceOnErrorSignal(), into a new function llvm::sys::PrintStackTrace, so that it's available to clients for logging purposes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171989 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09[ObjCARC Debug Messages] This is a squashed commit of 3x debug message ↵Michael Gottesman
commits ala echristo's suggestion. 1. Added debug messages when in OptimizeIndividualCalls we move calls into predecessors and then erase the original call. 2. Added debug messages when in the process of moving calls in ObjCARCOpt::MoveCalls we create new RR and delete old RR. 3. Added a debug message when we visit a specific retain instruction in ObjCARCOpt::PerformCodePlacement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171988 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Don't print bundle flags.Jakob Stoklund Olesen
The bundle flags are used by MachineBasicBlock::print(), they don't need to clutter up individual MachineInstrs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171986 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Don't require BUNDLE headers in MachineInstr::getBundleSize().Jakob Stoklund Olesen
It is possible to build MI bundles that don't begin with a BUNDLE header. Add support for such bundles, counting all instructions inside the bundle. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171985 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09LICM: Hoist insertvalue/extractvalue out of loops.Benjamin Kramer
Fixes PR14854. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171984 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Fix a typo in MachineInstr::unbundleFromSucc() method.Sergei Larin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171983 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09PowerPC: EH adjustmentsAdhemerval Zanella
This patch adjust the r171506 to make all DWARF enconding pc-relative for PPC64. It also adds the R_PPC64_REL32 relocation handling in MCJIT (since the eh_frame will not generate PIC-relative relocation) and also adds the emission of stubs created by the TTypeEncoding. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171979 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Refactor to expose RTLIB calls to targets.Tim Northover
fp128 is almost but not quite completely illegal as a type on AArch64. As a result it needs to have a register class (for argument passing mainly), but all operations need to be lowered to runtime calls. Currently there's no way for targets to do this (without duplicating code), as the relevant functions are hidden in SelectionDAG. This patch changes that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171971 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Alter the hasing computation when inserting into the folding set.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171960 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09tblgen: use an early return to reduce indentation.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171954 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Efficient lowering of vector sdiv when the divisor is a splatted power of ↵Nadav Rotem
two constant. PR 14848. The lowered sequence is based on the existing sequence the target-independent DAG Combiner creates for the scalar case. Patch by Zvi Rackover. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171953 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09tblgen: Factor out common code.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171951 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Last in the series of removing unnecessary '0' arguments forEric Christopher
address space. Reordered the EmitULEB128IntValue arguments to make this easier. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171949 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09MIsched: add an ILP window property to machine model.Andrew Trick
This was an experimental option, but needs to be defined per-target. e.g. PPC A2 needs to aggressively hide latency. I converted some in-order scheduling tests to A2. Hal is working on more test cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171946 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09[Object, DebugInfo] Make DWARFContext BE-aware.NAKAMURA Takumi
test/DebugInfo/member-pointers.ll would not fail in targetting BE any more. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171943 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Inline this into its only caller.Sean Silva
It's clearer and additionally this gets rid of the usage of `DefmID`, which doesn't really correspond to anything in the language (it was just used in the name of this parsing function which parsed a `MultiClassID` and returned that multiclass's record). This area of the code still needs a lot of work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171938 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09tblgen: Reuse function that is 2 lines above.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171937 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09fix copy-paste-oSean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171936 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09docs: Bring TableGen syntax a bit closer to reality.Sean Silva
It's not just def's but actually a limited subset of Object's that are allowed inside a multiclass. Spotted by Joel Jones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171935 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09These functions have default arguments of 0 for the last arg. UseEric Christopher
them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171933 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09These functions have default arguments of 0 for the last arg. UseEric Christopher
them and add one where it seemed obvious that we wanted one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171932 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Cost Model: Move the 'max unroll factor' variable to the TTI and add initial ↵Nadav Rotem
Cost Model support on ARM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171928 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Add comment to the definition of Constant::isZeroValue(). Shuxin Yang
(There already has a concise comment to the declaration.) Thank Eric Christopher for his feedback! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171926 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Forgot the namespace identifier.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171924 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Add the integer value of the ConstantInt instead of the Constant* value.Bill Wendling
This is causing some problems. The root cause is unknown at this time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171923 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Consider expression "0.0 - X" as the negation of X ifShuxin Yang
- this expression is explicitly marked no-signed-zero, or - no-signed-zero of this expression can be derived from some context. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171922 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Move the string pools down into the units. No functional change.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171905 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Simplify the code a bit: MCRelaxableFragment doesn't need a separate getInstSizeEli Bendersky
method because getContents().size() already covers it. So computeFragmentSize can use the generic MCEncodedFragment interface when querying both Data and Relaxable fragments for contents sizes. No change in functionality git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171903 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Fix memory leak in YAML I/O.Nick Kledzik
Stop using BumpPtrAllocator for HNodes because they have fields (vector, map) which require HNode destructors to be run. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171896 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08This patch produces the correct addend value forJack Carter
an R_MIPS_GPREL16 relocation. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171882 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08This patch produces the correct pointer size Jack Carter
value in the 64 bit .eh_frame section. It doesn't however allow exception handling to work yet since it depends on the correct relocation model being set in the ELF header flags. Contributer: Jack Carter git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171881 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Pad Short Functions for Intel AtomPreston Gurd
The current Intel Atom microarchitecture has a feature whereby when a function returns early then it is slightly faster to execute a sequence of NOP instructions to wait until the return address is ready, as opposed to simply stalling on the ret instruction until the return address is ready. When compiling for X86 Atom only, this patch will run a pass, called "X86PadShortFunction" which will add NOP instructions where less than four cycles elapse between function entry and return. It includes tests. This patch has been updated to address Nadav's review comments - Optimize only at >= O1 and don't do optimization if -Os is set - Stores MachineBasicBlock* instead of BBNum - Uses DenseMap instead of std::map - Fixes placement of braces Patch by Andy Zhang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171879 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Rename statistic for instruction fragments -> relaxableEli Bendersky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171872 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Code cleanup: refactor the switch statements in the generation of reduction ↵Nadav Rotem
variables into an IR builder call. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171871 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Rename the enum members to match the LLVM coding style.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171868 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Add fp128 rtlib function names to LLVMTim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171867 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Allow the asm printer to print fp128 values properly.Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171866 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Make sure we don't emit instructions before a landingpad instruction.Bill Wendling
PR14782 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171846 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Sink a function that refers to the SelectionDAG into that library in theChandler Carruth
one file where it is called as a static function. Nuke the declaration and the definition in lib/CodeGen, along with the include of SelectionDAG.h from this file. There is no dependency edge from lib/CodeGen to lib/CodeGen/SelectionDAG, so it isn't valid for a routine in lib/CodeGen to reference the DAG. There is a dependency from lib/CodeGen/SelectionDAG on lib/CodeGen. This breaks one violation of this layering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171842 91177308-0d34-0410-b5e6-96231b3b80d8
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