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Commit 0bccad2d authored by Craig Topper's avatar Craig Topper
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Teach X86 backend to create BMI2 BZHI instructions from (and X, (add (shl 1,... 

Teach X86 backend to create BMI2 BZHI instructions from (and X, (add (shl 1, Y), -1)). Fixes PR17038.

llvm-svn: 189653
parent be8d7ba9
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