diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2020-02-27 19:04:39 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2020-02-27 19:04:39 +0000 |
commit | 473957941922d17be72089e385e2e2a995fd0e1c (patch) | |
tree | 7cd9f69252de735b0fa011d5e83e02e619b03819 /contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | |
parent | 21054a9b078ffbeb221934db2b545397cdd42d7d (diff) | |
parent | 92d00d6a94bb341a1ed677031280e14863d4bb28 (diff) |
Notes
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp')
-rw-r--r-- | contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp index 479bca83b51e..26cae4134ebc 100644 --- a/contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp +++ b/contrib/llvm-project/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); |