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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
2013-01-09add hexagon flags in ELF.hShankar Easwaran
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171977 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09For some LLVM-as-library uses it is convenient to create aDavid Tweed
subclass of TargetMachine which "forwards" all operations to an existing internal TargetMachine member variable. In the usage context the specific-machine class derived from TargetMachine is not visible, only a reference to the generic base class TargetMachine. Although getSubtargetImpl() is public in specific-machine classes derived from TargetMachine, the TargetMachine class unfortunately has getSubtargetImpl() protected (and accessing non-const members makes abusing getSubtarget() unsuitable). Making it public in the base class allows this forwarding pattern. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171976 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Configure: if we compile with clang, check that it is not brokenDmitri Gribenko
Some linux distibutions (for example, Mageia 2, Fedora 17) ship Clang that is essentially broken for the end user. Clang can not find or compile libstdc++ headers. The issue is that our configure prefers clang over gcc, thus selecting a broken Clang when a working GCC is available. Now we detect this issue by compiling a simple program. If it does not compile, configure stops with an error suggesting the user to select a different compiler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171975 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Check whether MCInst operand isImm before calling getImm.Tim Northover
When processing possible aliases, TableGen assumes that if an operand *can* be an immediate, then it always *will* be. This is incorrect for the AArch64 backend. This patch inserts a check in the generated code to make sure isImm is true first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171972 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
2013-01-09Incrase the number of parameters for AlignedCharArrayUnion.Manuel Klimek
We need this to correctly fix ASTMatchers/ASTTypeTraits.h in clang. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171965 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
2013-01-09add -march to the testNadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171956 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
2013-01-09TableGen/LangRef: link bang operators into the productionlistSean Silva
Now BangOperator should be nicely hyperlinked. Pointed out by Joel Jones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171942 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09TableGen/LangRef: discuss specific C-like escapesSean Silva
Suggested by Joel Jones. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171941 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09docs: Fix mention of DefmID to MultiClassID.Sean Silva
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171940 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
2013-01-09ARM Cost Model: Add a basic vectorization unrolling test.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171931 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Remove the -licm pass from the loop vectorizer test because the loop ↵Nadav Rotem
vectorizer does it now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171930 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 a getBundleEnd() function to go with the existing getBundleStart().Jakob Stoklund Olesen
This is easier implemented now that bundle flags are symmetric. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171927 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
2013-01-08Specify complete triple for fp128 tests.Tim Northover
This avoids FileCheck failing over different comment characters in assembly (notably powerpc64 on Linux vs Darwin) and should fix David's build-bot. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171886 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
2013-01-08Docs: mention that we support float reductions when -ffast-math is used.Nadav Rotem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171873 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
2013-01-08Add highlighting for "int" keywordJoel Jones
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171863 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
2013-01-08Allow ELF64 relocation type to be more than 8 bits.Tim Northover
Current targets don't have more than 256 relocations so they don't hit this limit, but ELF64 actually allows more than 8 bits for a relocation type. These were being truncated on AArch64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171845 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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