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[X86] Remove x86_sse42_crc32_64_64 from X86TTIImpl::simplifyDemandedUseBitsIntrinsic

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It doesn't do any simplifying. It just computes known bits. We
can just let InstCombine call computeKnownBits which will handle
this just as well.
This commit is contained in:
Craig Topper 2020-07-30 21:50:17 -07:00
parent c10031a2ab
commit 758017c2d0
1 changed files with 0 additions and 4 deletions
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4
lib/Target/X86/X86InstCombineIntrinsic.cpp
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@ -1785,10 +1785,6 @@ Optional<Value *> X86TTIImpl::simplifyDemandedUseBitsIntrinsic(
KnownBitsComputed = true;
break;
}
case Intrinsic::x86_sse42_crc32_64_64:
Known.Zero.setBitsFrom(32);
KnownBitsComputed = true;
break;
}
return None;
}