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* improve comments.Chris Lattner2009-09-031-1/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80897 91177308-0d34-0410-b5e6-96231b3b80d8
* Thread an MCAsmInfo pointer through the various MC printing APIs, Chris Lattner2009-09-034-5/+8
| | | | | | | | and fix a few things using << on MCSymbols to use ->print(). No functionality change other than unbreaking my previous patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80890 91177308-0d34-0410-b5e6-96231b3b80d8
* Set the 'cached digest' flag after computing the digest for anTed Kremenek2009-09-031-0/+1
| | | | | | | | | | | | | | ImutAVLTree. This was accidentally left out, and essentially caused digest caching to be ignored in ImmutableMap and ImmutableSet (this bug was detected from shark traces that showed ComputeDigest was in the hot path in the clang static analyzer). This reduces the running time of the clang static analyzer on an example benchmark by ~32% for both RegionStore (field-sensitivty) and BasicStore (without field-sensitivity). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80877 91177308-0d34-0410-b5e6-96231b3b80d8
* Fixed a test that ensures the LocalRewriter does not attempt toLang Hames2009-09-031-14/+10
| | | | | | | | | | | avoid reloads by reusing clobbered registers. This was causing issues in 256.bzip2 when compiled with PIC for a while (starting at r78217), though the problem has since been masked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80872 91177308-0d34-0410-b5e6-96231b3b80d8
* back out my recent commit (r80858), it seems to break self-hosting ↵Gabor Greif2009-09-032-33/+15
| | | | | | buildbot's stage 2 configure git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80871 91177308-0d34-0410-b5e6-96231b3b80d8
* Now Bitcode reader bug is fixed. Reapply 80839.Devang Patel2009-09-032-9/+31
| | | | | | | | | | Use CallbackVH, instead of WeakVH, to hold MDNode elements. Use FoldingSetNode to unique MDNodes in a context. Use CallbackVH hooks to update context's MDNodeSet appropriately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80868 91177308-0d34-0410-b5e6-96231b3b80d8
* re-commit r66920 (which has been backed out in r66953) I may have more luck ↵Gabor Greif2009-09-032-15/+33
| | | | | | this time. I'll back out if needed... git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80858 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert 80839 for now. It causes test failures.Devang Patel2009-09-022-31/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80841 91177308-0d34-0410-b5e6-96231b3b80d8
* Use CallbackVH, instead of WeakVH, to hold MDNode elements. Devang Patel2009-09-022-9/+31
| | | | | | | | | Use FoldingSetNode to unique MDNodes in a context. Use CallbackVH hooks to update context's MDNodeSet appropriately. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80839 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment noting the memory ownership rules.Dan Gohman2009-09-021-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80827 91177308-0d34-0410-b5e6-96231b3b80d8
* Add convenience functions for reading in LLVM IR that autodetectDan Gohman2009-09-021-0/+117
| | | | | | | | and LLVM Assembly and LLVM Bitcode and automatically call the corresponding reader. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80809 91177308-0d34-0410-b5e6-96231b3b80d8
* Add const qualifiers for isBitcodeWrapper, and add new functionsDan Gohman2009-09-021-7/+36
| | | | | | | | isRawBitcode and isBitcode to allow clients to test whether a given memory buffer holds a bitcode image. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80804 91177308-0d34-0410-b5e6-96231b3b80d8
* Refactor common code from ParseAssemblyString and ParseAssemblyFile,Dan Gohman2009-09-021-0/+12
| | | | | | | to expose a low-level interface for parsing from an existing MemoryBuffer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80803 91177308-0d34-0410-b5e6-96231b3b80d8
* Add const qualifiers to dominates' arguments.Dan Gohman2009-09-021-7/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80801 91177308-0d34-0410-b5e6-96231b3b80d8
* Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson.Sandeep Patel2009-09-025-22/+33
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80773 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a comment.Dan Gohman2009-09-021-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80749 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove Offset from ExternalSybmol MachineOperands, this is unused (and at ↵Daniel Dunbar2009-09-012-4/+3
| | | | | | least partly unsupported, in X86 encoding at least). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80726 91177308-0d34-0410-b5e6-96231b3b80d8
* OptimalEdgeProfiling: Reading in Profiles.Andreas Neustifter2009-09-011-0/+9
| | | | | | | This enables LLVM to read the OptimalEdgeProfiles. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80715 91177308-0d34-0410-b5e6-96231b3b80d8
* Addedum to r80712, forgot to add files.Andreas Neustifter2009-09-012-0/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80713 91177308-0d34-0410-b5e6-96231b3b80d8
* OptimalEdgeProfiling: Creation of profiles.Andreas Neustifter2009-09-011-1/+2
| | | | | | | This adds the instrumentation and runtime part of OptimalEdgeProfiling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80712 91177308-0d34-0410-b5e6-96231b3b80d8
* remove CallGraphNode::replaceCallSite, it is redundant with other APIs.Chris Lattner2009-09-011-5/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80708 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a typo in a comment.Dan Gohman2009-09-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80697 91177308-0d34-0410-b5e6-96231b3b80d8
* Preparation for Optimal Edge Profiling:Andreas Neustifter2009-09-011-2/+7
| | | | | | | | | | Optimal edge profiling is only possible when blocks with no predecessors get an virtual edge (BB,0) that counts the execution frequencies of this function-exiting blocks. This patch makes the necessary changes before actually enabling optimal edge profiling. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80667 91177308-0d34-0410-b5e6-96231b3b80d8
* Preparation for Optimal Edge Profiling:Andreas Neustifter2009-09-012-0/+7
| | | | | | | | | This adds a pass to verify the current profile against the flow conditions. This is very helpful when later on trying to perserve the profiling information during all passes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80666 91177308-0d34-0410-b5e6-96231b3b80d8
* Change CallGraphNode to maintain it's Function as an AssertingVHChris Lattner2009-09-011-9/+18
| | | | | | | | | | | | | for sanity. This didn't turn up any bugs. Change CallGraphNode to maintain its "callsite" information in the call edges list as a WeakVH instead of as an instruction*. This fixes a broad class of dangling pointer bugs, and makes CallGraph have a number of useful invariants again. This fixes the class of problem indicated by PR4029 and PR3601. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80663 91177308-0d34-0410-b5e6-96231b3b80d8
* Add virtual destructor.Devang Patel2009-09-011-0/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80660 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Store MCSymbolData value as a pointer (to make MSVC happy).Daniel Dunbar2009-09-011-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80652 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up LSDA name generation and use for SJLJ exception handling. ThisJim Grosbach2009-09-011-4/+4
| | | | | | | | | | | | makes an eggregious hack somewhat more palatable. Bringing the LSDA forward and making it a GV available for reference would be even better, but is beyond the scope of what I'm looking to solve at this point. Objective C++ code could generate function names that broke the previous scheme. This fixes that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80649 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce DILocation.Devang Patel2009-09-011-0/+20
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80648 91177308-0d34-0410-b5e6-96231b3b80d8
* Add getDirectory() and getFilename() interface to DIScope.Devang Patel2009-09-011-1/+25
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80647 91177308-0d34-0410-b5e6-96231b3b80d8
* Subprogram is a scope. Derive DISubprogram from DIScope.Devang Patel2009-08-311-3/+23
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80637 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename DIBlock as DILexicalBlock.Devang Patel2009-08-311-8/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80633 91177308-0d34-0410-b5e6-96231b3b80d8
* Derive DICompileUnit from DIScope.Devang Patel2009-08-311-3/+7
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80627 91177308-0d34-0410-b5e6-96231b3b80d8
* Add flag to mark structs for Apple Block "byref" variables; also add code toCaroline Tice2009-08-311-1/+11
| | | | | | | | modify the type and location debug information for these variables to match the programmer's expectations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80625 91177308-0d34-0410-b5e6-96231b3b80d8
* Extend the ValuesAtScope cache to cover all expressions, not justDan Gohman2009-08-311-4/+10
| | | | | | | | | | | | | | | SCEVUnknowns, as the non-SCEVUnknown cases in the getSCEVAtScope code can also end up repeatedly climing through the same expression trees, which can be unusably slow when the trees are very tall. Also, add a quick check for SCEV pointer equality to the main SCEV comparison routine, as the full comparison code can be expensive in the case of large expression trees. These fix compile-time problems in some pathlogical cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80623 91177308-0d34-0410-b5e6-96231b3b80d8
* restore semantics of operator* (removing a FIXME I had to introduce in r80224)Gabor Greif2009-08-311-3/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80622 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce DIScope.Devang Patel2009-08-311-0/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80620 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify isDerivedType() and other predicate interface.Devang Patel2009-08-311-30/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80602 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert commit 80428. It completely broke exceptionDuncan Sands2009-08-311-14/+1
| | | | | | | handling on x86-32 linux. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80592 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Pass values to MCStreamer as MCExprs, not MCValues.Daniel Dunbar2009-08-311-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80578 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Simplify EmitAssignment ('.set' is identical to '=').Daniel Dunbar2009-08-311-5/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80577 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Remove MCAsmParser::Parse[Paren]RelocatableExpression.Daniel Dunbar2009-08-311-18/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80576 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Switch MCInst to storing an MCExpr* instead of an MCValue.Daniel Dunbar2009-08-311-15/+15
| | | | | | Also, use MCInst::print instead of custom code in MCAsmPrinter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80575 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add MCAsmParser::Parse[Paren]Expression forms which return an MCExpr.Daniel Dunbar2009-08-311-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80574 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Make MCSymbolData symbol member const.Daniel Dunbar2009-08-311-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80573 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add MCContext to MCAssembler.Daniel Dunbar2009-08-311-1/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80572 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add MCAsmParser::getContext.Daniel Dunbar2009-08-311-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80571 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add MCExpr::{dump,print}.Daniel Dunbar2009-08-311-0/+8
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80570 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Switch MCExpr construction to using static member functions, and ↵Daniel Dunbar2009-08-311-35/+171
| | | | | | taking the MCContext (which now owns all MCExprs). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80569 91177308-0d34-0410-b5e6-96231b3b80d8
* llvm-mc: Add some doxyment markers.Daniel Dunbar2009-08-311-1/+10
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80568 91177308-0d34-0410-b5e6-96231b3b80d8
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