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Nate Begeman 4ce1dea8af Add testcase for legalizing ISD::CTTZ efficiently. On PPC, ctlz(int) is 
now codegen'd as this:

        addi r2, r3, -1
        andc r2, r2, r3
        cntlzw r2, r2
        subfic r3, r2, 32
        blr

llvm-svn: 21881
 		2005-05-11 23:45:54 +00:00
llvm Add testcase for legalizing ISD::CTTZ efficiently. On PPC, ctlz(int) is 2005-05-11 23:45:54 +00:00