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RKSimon opened this issue
Aug 20, 2021
· 2 comments
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bugzillaIssues migrated from bugzillallvmUmbrella label for LLVM issuesquestionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!
As well as missing Intrinsic::isnan from llvm::isTriviallyVectorizable, the SLP call vectorization fails as we don't properly account for calls that have different return/arg types - LV seems to have the same problem but I haven't looked at that in detail.
bugzillaIssues migrated from bugzillallvmUmbrella label for LLVM issuesquestionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!
Extended Description
As well as missing Intrinsic::isnan from llvm::isTriviallyVectorizable, the SLP call vectorization fails as we don't properly account for calls that have different return/arg types - LV seems to have the same problem but I haven't looked at that in detail.
opt -mtriple=x86_64-- -mcpu=btver2 -slp-vectorizer
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