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* Various random cleanups, add two accessors to DomTreeNode: ↵Chris Lattner2007-08-061-10/+15
| | | | | | getDFSNumIn/getDFSNumOut git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40856 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix minor doxygen nits.Reid Spencer2007-08-0510-22/+29
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* Document a missing parameter.Reid Spencer2007-08-051-0/+1
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* Fix a bug in DenseMap::clear, where we never reset a tombstoneChris Lattner2007-08-051-3/+5
| | | | | | | to EmptyKey. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40839 91177308-0d34-0410-b5e6-96231b3b80d8
* When clearing a SmallPtrSet, if the set had a huge capacity, but theChris Lattner2007-08-052-2/+10
| | | | | | | | | | | contents of the set were small, deallocate and shrink the set. This avoids having us to memset as much data, significantly speeding up some pathological cases. For example, this speeds up the verifier from 0.3899s to 0.0763 (5.1x) on the testcase from PR1432 in a release build. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40837 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch the internal "Info" map from an std::map to a DenseMap. ThisChris Lattner2007-08-052-3/+3
| | | | | | | | | | speeds up idom by about 45% and postidom by about 33%. Some extra precautions must be taken not to invalidate densemap iterators. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40827 91177308-0d34-0410-b5e6-96231b3b80d8
* switch the DomTreeNodes and IDoms maps in idom/postidom to a Chris Lattner2007-08-042-8/+9
| | | | | | | | | | DenseMap instead of an std::map. This speeds up postdomtree by about 25% and domtree by about 23%. It also speeds up clients, for example, domfrontier by 11%, mem2reg by 4% and ADCE by 6%. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40826 91177308-0d34-0410-b5e6-96231b3b80d8
* This is the patch to provide clean intrinsic function overloading support in ↵Chandler Carruth2007-08-044-51/+78
| | | | | | | | | LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future. This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40807 91177308-0d34-0410-b5e6-96231b3b80d8
* long double patch 3 of N. Add to MVT.Dale Johannesen2007-08-032-32/+35
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* Long double, part 1 of N. Support in IR.Dale Johannesen2007-08-032-11/+23
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* Fix bug spotted by Chris.Anders Carlsson2007-08-021-4/+4
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* Add extend and extOrTrunc methods that do sign or zero extension depending ↵Anders Carlsson2007-08-021-0/+16
| | | | | | on whether the integer is signed or not git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40724 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not emit copies for physical register output if it's not used.Evan Cheng2007-08-021-0/+4
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* Instead of adding copyfromreg's to handle physical definitions. Now isel canEvan Cheng2007-08-021-0/+9
| | | | | | | | | | | | | | | simply specify them as results and let scheduledag handle them. That is, instead of SDOperand Flag = DAG.getTargetNode(Opc, MVT::i32, MVT::Flag, ...) SDOperand Result = DAG.getCopyFromReg(Chain, X86::EAX, MVT::i32, Flag) Just write: SDOperand Result = DAG.getTargetNode(Opc, MVT::i32, MVT::i32, ...) And let scheduledag emit the move from X86::EAX to a virtual register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40710 91177308-0d34-0410-b5e6-96231b3b80d8
* Added TargetInstrDescriptor::numDefs - num of results.Evan Cheng2007-08-021-0/+1
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* Make non-local memdep not be recursive, and fix a bug on 403.gcc that this ↵Owen Anderson2007-08-011-4/+3
| | | | | | exposed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40692 91177308-0d34-0410-b5e6-96231b3b80d8
* More explicit keywords.Dan Gohman2007-08-014-5/+6
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* Make ImmutablePass::runOnModule non-virtual, since it is notDan Gohman2007-08-011-1/+1
| | | | | | | intended to be overridden. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40671 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename FastDSE to just DSE.Owen Anderson2007-08-012-8/+0
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* New CallInst interface to address GLIBCXX_DEBUG errors caused byDavid Greene2007-08-012-9/+76
| | | | | | | | | indexing an empty std::vector. Updates to all clients. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix GLIBCXX_DEBUG error owing to dereference of end iterator. There'sDavid Greene2007-07-311-3/+8
| | | | | | | | no guarantee that an instruction returned by getDependency exists in the maps. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40647 91177308-0d34-0410-b5e6-96231b3b80d8
* Introduce Simple Analysis interface for loop passes.Devang Patel2007-07-311-0/+29
| | | | | | | Right now, this interface provides hooks for only to operations, 1) clone basic block 2) delete value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40625 91177308-0d34-0410-b5e6-96231b3b80d8
* Add detection of __dso_handle presence during configure. Use this ↵Anton Korobeynikov2007-07-301-0/+3
| | | | | | | | | | information in the JITer (short path is added for darwin). This is needed to properly JIT llvm-gcc-4.2-built binaries, since cxa_atexit is enabled by default on much more targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40600 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix the comments for the 'fast' parameter in addPassesToEmitFile.Dan Gohman2007-07-301-4/+6
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* Fix the comment for getClosestTargetForJIT to reflect the fact thatDan Gohman2007-07-301-4/+3
| | | | | | | it does not have a Module parameter. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40590 91177308-0d34-0410-b5e6-96231b3b80d8
* More explicit keywords.Dan Gohman2007-07-301-2/+2
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* Fix pastos in comments for doFinalization functions.Dan Gohman2007-07-302-2/+2
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* Add facility to dump pass manager structure Devang Patel2007-07-271-4/+1
| | | | | | | to make it easier to understand failure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40567 91177308-0d34-0410-b5e6-96231b3b80d8
* Use SmallPtrSet.Devang Patel2007-07-271-2/+2
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* Allow SmallPtrSet to hold pointers to const data.Owen Anderson2007-07-271-13/+13
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* Support for trampolines, except for X86 codegen which isDuncan Sands2007-07-274-9/+34
| | | | | | | still under discussion. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40549 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a MachineFunction pass, which runs post register allocation, that turns ↵Christopher Lamb2007-07-261-0/+6
| | | | | | subreg insert/extract instruction into register copies. This ensures correct code gen if the coalescer isn't able to remove all subreg instructions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40521 91177308-0d34-0410-b5e6-96231b3b80d8
* Teach DAG scheduling how to properly emit subreg insert/extract machine ↵Christopher Lamb2007-07-261-0/+5
| | | | | | instructions. PR1350 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40520 91177308-0d34-0410-b5e6-96231b3b80d8
* Have register info provide the inverse mapping of register->superregisters. ↵Christopher Lamb2007-07-261-7/+22
| | | | | | PR1350 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40519 91177308-0d34-0410-b5e6-96231b3b80d8
* Add target independent MachineInstr's to represent subreg insert/extract in ↵Christopher Lamb2007-07-261-1/+3
| | | | | | MBB's. PR1350 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40518 91177308-0d34-0410-b5e6-96231b3b80d8
* Add selection DAG nodes for subreg insert/extract. PR1350Christopher Lamb2007-07-261-0/+9
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* Fix 80 col violation.Christopher Lamb2007-07-261-2/+3
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* Remove subreg index from MachineInstr's and also keep vregs as unsigned when ↵Christopher Lamb2007-07-262-14/+1
| | | | | | adding operands. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40514 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comments for new types.Christopher Lamb2007-07-261-2/+2
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* Add support for 3 element 32-bit vector ValueTypes.Christopher Lamb2007-07-262-11/+26
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* EmitAlignment() also emits optional fill value.Evan Cheng2007-07-251-2/+5
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* Forgot to include this file in my last commit.Owen Anderson2007-07-251-1/+2
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* Add basic support for performing whole-function RLE.Owen Anderson2007-07-251-2/+4
| | | | | | | Note: This has not yet been thoroughly tested. Use at your own risk. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40489 91177308-0d34-0410-b5e6-96231b3b80d8
* Add BasicInliner interface. Devang Patel2007-07-252-0/+135
| | | | | | | | | This interface allows clients to inline bunch of functions with module level call graph information.:wq git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40486 91177308-0d34-0410-b5e6-96231b3b80d8
* Add const to CanBeFoldedBy, CheckAndMask, and CheckOrMask.Dan Gohman2007-07-241-3/+7
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* Add initial support for non-local memory dependence analysis.Owen Anderson2007-07-241-1/+5
| | | | | | | NOTE: This has only been cursorily tested. Expected improvements soon. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40476 91177308-0d34-0410-b5e6-96231b3b80d8
* Add a GVN pass, using the value numbering code I developed for GVNPRE and theOwen Anderson2007-07-242-0/+8
| | | | | | | load elimination code from RedundantLoadElimination. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40469 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename a lot of things to change FastDLE to RedundantLoadElimination.Owen Anderson2007-07-242-3/+3
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* Forgot to commit this file.Owen Anderson2007-07-231-0/+1
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* Fix a comment.Owen Anderson2007-07-231-1/+1
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