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Commit bb230c5e authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] Pull out OR(EXTRACTELT(X,0),OR(EXTRACTELT(X,1),...)) matching code... 

[X86][SSE] Pull out OR(EXTRACTELT(X,0),OR(EXTRACTELT(X,1),...)) matching code from LowerVectorAllZeroTest

Create a matchBitOpReduction helper that checks for the pattern with any opcode.

First step towards reusing this code to recognize other scalar reduction patterns.

llvm-svn: 359296
parent ae73e1fc
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