Several major changes:

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1. Pull out the expand cases for BSWAP and CT* into a separate function,
   reducing the size of LegalizeOp.
2. Fix a bug where expand(bswap i64) was wrong when i64 is legal.
3. Changed LegalizeOp/PromoteOp so that the legalizer never needs to be
   iterative.  It now operates in a single pass over the nodes.
4. Simplify a LOT of code, with a net reduction of ~280 lines.

llvm-svn: 25736

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This commit is contained in:

Chris Lattner 2006-01-28 07:39:30 +00:00

parent d2eb15f467

commit 8eed1b6bda

1 changed files with 485 additions and 761 deletions

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lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

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