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2009-12-14Make the IVUses member private.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91291 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14Drop Loop::isNotAlreadyContainedIn in favor of Loop::contains. TheDan Gohman
former was just exposing a LoopInfoBase implementation detail. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14Whitespace changes, comment clarification. No functional changes.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91274 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14Moved spill weight calculation out of SimpleRegisterCoalescing and into its ↵Lang Hames
own pass: CalculateSpillWeights. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91273 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-13Fix weird typo which leads to unallocated memory access for nodes with 4 ↵Anton Korobeynikov
results. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91233 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-12Make it easier to use the llvm_unreachable and DEBUG macros without "usingJeffrey Yasskin
namespace llvm" by qualifying their implementations with ::llvm::. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91206 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91158 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11Make getUniqueExitBlocks's precondition assert more precise, toDan Gohman
avoid spurious failures. This fixes PR5758. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91147 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11Simplify this class by removing the result cache.Gabor Greif
This change removes the DefaultConstructible and CopyAssignable constraints on the template parameter T (the first one). The second template parameter (R) is defaulted to be identical to the first and controls the result type. By specifying it to be (const T&) additionally the CopyConstructible constraint on T can be removed. This allows to use StringSwitch e.g. for llvm::Constant instances. Regarding the other review feedback regarding performance because of taking pointers, this class should be completely optimizable like before, since all methods are inline and the pointer dereferencing and result value caching should be possible behind the scenes by the "as-if" rule. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91123 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11Add utility method for determining whether a function argumentDuncan Sands
has the 'nest' attribute. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91109 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11Address comments on last patch:Bill Wendling
- Loosen the restrictions when checking of it branches to a landing pad. - Make the loop more efficient by checking the '.insert' return value. - Do cheaper checks first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91101 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11A machine basic block may end in an unconditional branch, however it may haveBill Wendling
more than one successor. Normally, these extra successors are dead. However, some of them may branch to exception handling landing pads. If we remove those successors, then the landing pads could go away if all predecessors to it are removed. Before, it was checking if the direct successor was the landing pad. But it could be the result of jumping through multiple basic blocks to get to it. If we were to only check for the existence of an EH_LABEL in the basic block and not remove successors if it's in there, then it could stop actually dead basic blocks from being removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91092 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-11Add qualifiers for calls to member functions in dependent bases.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10Remove a broken, unused headerDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91058 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-10Also attempt trivial coalescing for live intervals that end in a copy.Jakob Stoklund Olesen
The coalescer is supposed to clean these up, but when setting up parameters for a function call, there may be copies to physregs. If the defining instruction has been LICM'ed far away, the coalescer won't touch it. The register allocation hint does not always work - when the register allocator is backtracking, it clears the hints. This patch is more conservative than r90502, and does not break 483.xalancbmk/i686. It still breaks the PowerPC bootstrap, so it is disabled by default, and can be enabled with the -trivial-coalesce-ends option. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91049 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Silence conversion warning from 64 to 32-bit.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09enhance NonLocalDepEntry to keep the per-block phi translated addressChris Lattner
of the query. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90958 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09DeltaAlgorithm: Add a virtual destructor and home.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09change NonLocalDepEntry from being a typedef for an std::pair to be itsChris Lattner
own small class. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90956 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Added a new "splitting" spiller.Lang Hames
When a call is placed to spill an interval this spiller will first try to break the interval up into its component values. Single value intervals and intervals which have already been split (or are the result of previous splits) are spilled by the default spiller. Splitting intervals as described above may improve the performance of generated code in some circumstances. This work is experimental however, and it still miscompiles many benchmarks. It's not recommended for general use yet. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90951 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Remove unneeded ';' and a class/struct mismatch (noticed by clang).Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90934 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Switch GVN and memdep to use PHITransAddr, which correctly handlesChris Lattner
phi translation of complex expressions like &A[i+1]. This has the following benefits: 1. The phi translation logic is all contained in its own class with a strong interface and verification that it is self consistent. 2. The logic is more correct than before. Previously, if intermediate expressions got PHI translated, we'd miss the update and scan for the wrong pointers in predecessor blocks. @phi_trans2 is a testcase for this. 3. We have a lot less code in memdep. We can handle phi translation across blocks of things like @phi_trans3, which is pretty insane :). This patch should fix the miscompiles of 255.vortex, and I tested it with a bootstrap of llvm-gcc, llvm-test and dejagnu of course. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90926 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's ↵Evan Cheng
primary used by selectdag passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90922 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Add const qualifier.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90918 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09Refactor InferAlignment out of DAGCombine.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90917 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09fix many input tracking bugs.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90915 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09instructions defined in CurBB may be intermediate nodes of the computation.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90908 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-09add dumping and sanity checking support.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90906 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08make sure that PHITransAddr keeps its 'InstInputs' list up toChris Lattner
date when instsimplify kicks in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90901 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08Revert 90858 90875 and 90805 for now.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90898 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08Revert 90789 for now. It caused massive compile time regression. Post-ra ↵Evan Cheng
scheduler slowed down dramatically with this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90868 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not Chris Lattner
side-effect the current object. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90837 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08Removed VC++ compatibility code from DataTypes.h.in.Oscar Fuentes
This header file is not used on VC++ builds. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90829 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-08For VC++, define the ?INT*_C macros only it they are not yet defined.Oscar Fuentes
Some compatibility updates like the Boost TR1 compatibility headers define them. Patch contributed by OvermindDL1! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90828 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic()Victor Hernandez
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90807 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Add support to emit debug info for c++ style namespaces.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90805 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07add accessor, improve comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90792 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Apply Pekka Jääskeläinen's patch to raise the first virtual registerDan Gohman
number in order to accomodate targets with more than 1024 registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90789 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Introduce the "@llvm.dbg.value" debug intrinsic.Victor Hernandez
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value. An example: call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2) Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07checkpoint of the new PHITransAddr code, still not done and not used byChris Lattner
anything. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90779 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Deprecate 'unpack_values'.Mikhail Glushenkov
Use 'forward_values' + 'comma_separated' instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90774 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Implement 'forward_value' and 'forward_transformed_value'.Mikhail Glushenkov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90770 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Pre-regalloc tale duplication. Work in progress.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90759 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07fixed some typos in method comments, reworded some comments for clarityJohn Mosby
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90754 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Fixes the Atomic implementation if compiled by MSVC compiler.Oscar Fuentes
sys::cas_flag should be long on this platform, InterlockedAdd() is defined only for the Itanium architecture (according to MSDN). Patch by Michael Beck! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90748 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-07Add MSP430 interrupt calling conv. No functionality change yet.Anton Korobeynikov
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90738 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06remove extraneous comma clang warns aboutChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90707 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-06Add helper methods for forming shift operations with a constant Chris Lattner
shift amount. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90694 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05Remove old DBG_LABEL code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90669 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-05Remove the unused DisableLegalizeTypes option and related code.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90668 91177308-0d34-0410-b5e6-96231b3b80d8
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