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* Add a quick and dirty "loop aligner pass". x86 uses it to align its loops to ↵Evan Cheng2008-02-281-1/+1
| | | | | | 16-byte boundaries. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47703 91177308-0d34-0410-b5e6-96231b3b80d8
* Update gcc 4.3 warnings fix patch with recent head changesAnton Korobeynikov2008-02-201-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47368 91177308-0d34-0410-b5e6-96231b3b80d8
* Use empty() instead of comparing size() with zero.Dan Gohman2008-01-291-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46514 91177308-0d34-0410-b5e6-96231b3b80d8
* rename TargetInstrDescriptor -> TargetInstrDesc.Chris Lattner2008-01-071-7/+7
| | | | | | | | Make MachineInstr::getDesc return a reference instead of a pointer, since it can never be null. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45695 91177308-0d34-0410-b5e6-96231b3b80d8
* simplify some code using new predicatesChris Lattner2008-01-071-21/+19
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45689 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename MachineInstr::getInstrDescriptor -> getDesc(), which reflectsChris Lattner2008-01-071-10/+8
| | | | | | | | | | | | | | | | | | that it is cheap and efficient to get. Move a variety of predicates from TargetInstrInfo into TargetInstrDescriptor, which makes it much easier to query a predicate when you don't have TII around. Now you can use MI->getDesc()->isBranch() instead of going through TII, and this is much more efficient anyway. Not all of the predicates have been moved over yet. Update old code that used MI->getInstrDescriptor()->Flags to use the new predicates in many places. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45674 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove attribution from file headers, per discussion on llvmdev.Chris Lattner2007-12-291-2/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
* It's not necessary to do rounding for alloca operations when the requestedDan Gohman2007-07-181-0/+1226
alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
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