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LLVM backend for 6502
ccdb3fcef9
Region splitting includes loop splitting as a subset, and it is more generic. The splitting heuristics for variables that are live in more than one block are now: 1. Try to create a region that covers multiple basic blocks. 2. Try to create a new live range for each block with multiple uses. 3. Spill. Steps 2 and 3 are similar to what the standard spiller is doing. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123853 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| README.txt | ||
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