Evan Cheng
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5c26bde55e
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TwoAddressInstructionPass enhancement. After it converts a two address instruction into a 3-address one, sink it past the instruction that kills the read-mod-write register if its definition is used past the kill. This reduces the number of live register by one.
llvm-svn: 48333
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2008-03-13 06:37:55 +00:00 |