aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
diff options
context:
space:
mode:
authorDimitry Andric <dim@FreeBSD.org>2020-02-27 19:04:39 +0000
committerDimitry Andric <dim@FreeBSD.org>2020-02-27 19:04:39 +0000
commit473957941922d17be72089e385e2e2a995fd0e1c (patch)
tree7cd9f69252de735b0fa011d5e83e02e619b03819 /contrib/llvm-project/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
parent21054a9b078ffbeb221934db2b545397cdd42d7d (diff)
parent92d00d6a94bb341a1ed677031280e14863d4bb28 (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.cpp11
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);