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Commit a258338d authored by Craig Topper's avatar Craig Topper
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[X86] Add test cases for missed opportunity to use a byte test instruction... 

[X86] Add test cases for missed opportunity to use a byte test instruction instead of an xor with 0 in parity patterns.

If the input to the ctpop fits in 8 bits, we can use the parity
flag from a TEST instruction, but we're currently XORing with 0.
parent e7a8ee00
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