diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-02-27 18:58:42 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-02-27 18:58:42 +0000 |
| commit | 92d00d6a94bb341a1ed677031280e14863d4bb28 (patch) | |
| tree | ddcfe83581ea87d22873ea8523f444a56575f930 /llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | |
| parent | d75c7debad4509ece98792074e64b8a650a27bdb (diff) | |
Vendor import of llvm-project branch release/10.xvendor/llvm-project/llvmorg-10.0.0-rc2-70-ge5cb70267e7
llvmorg-10.0.0-rc2-70-ge5cb70267e7.
Notes
svn path=/vendor/llvm-project/release-10.x/; revision=358397
svn path=/vendor/llvm-project/llvmorg-10.0.0-rc2-70-ge5cb70267e7/; revision=358398; tag=vendor/llvm-project/llvmorg-10.0.0-rc2-70-ge5cb70267e7
Diffstat (limited to 'llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 479bca83b51e..26cae4134ebc 100644 --- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp @@ -832,13 +832,12 @@ public: // Extracts from consecutive indexes of the same vector better score as // the extracts could be optimized away. - auto *Ex1 = dyn_cast<ExtractElementInst>(V1); - auto *Ex2 = dyn_cast<ExtractElementInst>(V2); - if (Ex1 && Ex2 && Ex1->getVectorOperand() == Ex2->getVectorOperand() && - cast<ConstantInt>(Ex1->getIndexOperand())->getZExtValue() + 1 == - cast<ConstantInt>(Ex2->getIndexOperand())->getZExtValue()) { + Value *EV; + ConstantInt *Ex1Idx, *Ex2Idx; + if (match(V1, m_ExtractElement(m_Value(EV), m_ConstantInt(Ex1Idx))) && + match(V2, m_ExtractElement(m_Deferred(EV), m_ConstantInt(Ex2Idx))) && + Ex1Idx->getZExtValue() + 1 == Ex2Idx->getZExtValue()) return VLOperands::ScoreConsecutiveExtracts; - } auto *I1 = dyn_cast<Instruction>(V1); auto *I2 = dyn_cast<Instruction>(V2); |