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* Add a copy constructor and an assignment operator to DenseMap.Owen Anderson2007-08-161-1/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41114 91177308-0d34-0410-b5e6-96231b3b80d8
* Properly use const qualifiersAnton Korobeynikov2007-08-151-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41111 91177308-0d34-0410-b5e6-96231b3b80d8
* No need to use iterator to erase basic block.Devang Patel2007-08-141-3/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41074 91177308-0d34-0410-b5e6-96231b3b80d8
* Re-implement trivial rematerialization. This allows def MIs whose live ↵Evan Cheng2007-08-132-10/+31
| | | | | | intervals that are coalesced to be rematerialized. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41060 91177308-0d34-0410-b5e6-96231b3b80d8
* Add methods to erase basic block entry.Devang Patel2007-08-131-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41052 91177308-0d34-0410-b5e6-96231b3b80d8
* Change casts from old style to new style. This helps document the detailsReid Spencer2007-08-1211-32/+36
| | | | | | | | better, gives the compiler a chance to validate the cast and reduces warnings if the user turns on -Wold-style-cast option. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41033 91177308-0d34-0410-b5e6-96231b3b80d8
* Code to maintain kill information during register coalescing.Evan Cheng2007-08-111-16/+123
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41016 91177308-0d34-0410-b5e6-96231b3b80d8
* Move isSubRegOf into MRegisterInfo. Fix a missed move elimination in ↵Christopher Lamb2007-08-101-0/+11
| | | | | | LowerSubregs and add more debugging output there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41005 91177308-0d34-0410-b5e6-96231b3b80d8
* Do not overuse std::string. Pass around char * directly.Devang Patel2007-08-101-3/+2
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* Add utility to clone loops.Devang Patel2007-08-101-0/+9
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40997 91177308-0d34-0410-b5e6-96231b3b80d8
* Add #ifndef guard.Devang Patel2007-08-101-0/+6
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* add #ifndef guardsChris Lattner2007-08-101-0/+5
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* add Value::getNameStart/getNameLen() accessors.Chris Lattner2007-08-101-1/+15
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* propagate struct size and alignment of byval arguments to the DAGRafael Espindola2007-08-102-0/+12
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40986 91177308-0d34-0410-b5e6-96231b3b80d8
* memcpy with zero length is hugely expensive, so avoid it. This speeds up ↵Chris Lattner2007-08-101-1/+5
| | | | | | coallescing from 1.17s to 0.88s on siod. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40984 91177308-0d34-0410-b5e6-96231b3b80d8
* small speedup in the case where a smallvector is default ctor'd fromChris Lattner2007-08-101-1/+2
| | | | | | | an empty vector. This speeds up llc slightly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40983 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding SSSE3 intrinsics.Bill Wendling2007-08-101-2/+116
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40982 91177308-0d34-0410-b5e6-96231b3b80d8
* avoid copying strings.Chris Lattner2007-08-101-2/+3
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* Update per review comments.Dale Johannesen2007-08-091-2/+2
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* Make NonLocal and None const in the right way. :-)Owen Anderson2007-08-091-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40961 91177308-0d34-0410-b5e6-96231b3b80d8
* long double 9 of N. This finishes up the X86-32 bitsDale Johannesen2007-08-091-0/+35
| | | | | | | | | (constants are still not handled). Adds ConvertActions to control fp-to-fp conversions (these are currently defaulted for all other targets, so no changes there). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40958 91177308-0d34-0410-b5e6-96231b3b80d8
* Add one more comment.Owen Anderson2007-08-081-0/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40949 91177308-0d34-0410-b5e6-96231b3b80d8
* Cleanup and comment-ize the memdep header.Owen Anderson2007-08-081-11/+18
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* Change the None and NonLocal markers in memdep to be const.Owen Anderson2007-08-081-6/+6
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* Make it clear that getSTDIN returns null when stdin is empty.Reid Spencer2007-08-081-1/+1
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* Adding kill info to val#.Evan Cheng2007-08-081-0/+15
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* Clean up and bug fix.Evan Cheng2007-08-081-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40921 91177308-0d34-0410-b5e6-96231b3b80d8
* reimplement dfs number computation to be significantly faster. This speeds upChris Lattner2007-08-081-8/+6
| | | | | | | | natural loop canonicalization (which does many cfg xforms) by 4.3x, for example. This also fixes a bug in postdom dfnumber computation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40920 91177308-0d34-0410-b5e6-96231b3b80d8
* - Each val# can have multiple kills.Evan Cheng2007-08-081-18/+21
| | | | | | | | - Fix some minor bugs related to special markers on val# def. ~0U means undefined, ~1U means dead val#. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40916 91177308-0d34-0410-b5e6-96231b3b80d8
* - LiveInterval value#'s now have 3 components: def instruction #,Evan Cheng2007-08-071-15/+28
| | | | | | | | | | | kill instruction #, and source register number (iff the value# is defined by a copy). - Now def instruction # is set for every value#, not just for copy defined ones. - Update some outdated code related inactive live ranges. - Kill info not yet set. That's next patch. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40913 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix comment.Devang Patel2007-08-071-1/+2
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* Get rid of unnecessary #include.Owen Anderson2007-08-071-1/+0
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* Clean up a bunch of caching stuff in memdep. This reduces the time to run GVNOwen Anderson2007-08-071-2/+3
| | | | | | | on 403.gcc from ~15s to ~10s. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40884 91177308-0d34-0410-b5e6-96231b3b80d8
* Begin loop index split pass.Devang Patel2007-08-072-0/+7
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* remove #if 0 code.Chris Lattner2007-08-061-16/+2
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* remove #if 0 code.Chris Lattner2007-08-061-14/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40879 91177308-0d34-0410-b5e6-96231b3b80d8
* This fixes resizing issues with BitVectors. It ensures that the BitWord type ↵Chandler Carruth2007-08-061-11/+26
| | | | | | and type size is always used, and ensures completely correct clearing of unused high bits, and setting of bits when resizing. It should resolve PR1563. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40871 91177308-0d34-0410-b5e6-96231b3b80d8
* @verbatim needs to be on a line by itself.Reid Spencer2007-08-061-1/+3
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* Implement review feedback. No functionality change.Christopher Lamb2007-08-061-1/+1
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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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40852 91177308-0d34-0410-b5e6-96231b3b80d8
* 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
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40774 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix bug spotted by Chris.Anders Carlsson2007-08-021-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40725 91177308-0d34-0410-b5e6-96231b3b80d8
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