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* Kill info update bugs.Evan Cheng2007-08-131-5/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41043 91177308-0d34-0410-b5e6-96231b3b80d8
* Code to maintain kill information during register coalescing.Evan Cheng2007-08-111-11/+32
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41016 91177308-0d34-0410-b5e6-96231b3b80d8
* Clean up and bug fix.Evan Cheng2007-08-081-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40921 91177308-0d34-0410-b5e6-96231b3b80d8
* - Each val# can have multiple kills.Evan Cheng2007-08-081-6/+3
| | | | | | | | - 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
* Remove a dead assertion.Evan Cheng2007-08-081-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40914 91177308-0d34-0410-b5e6-96231b3b80d8
* - LiveInterval value#'s now have 3 components: def instruction #,Evan Cheng2007-08-071-7/+12
| | | | | | | | | | | 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 - Update some outdated code related inactive live ranges.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
* It's not necessary to do rounding for alloca operations when the requestedDan Gohman2007-07-181-0/+526
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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