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[NFC][DAGCombine] Extract getFirstIndexOf() lambda back into a function 

Not all supported compilers like such lambdas, at least one buildbot is unhappy.
This commit is contained in:
Roman Lebedev 2021-06-14 16:25:59 +03:00
parent 6e5628354e
commit 0f94c3c80d
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GPG Key ID: 083C3EBB4A1689E0
1 changed files with 9 additions and 8 deletions
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17
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -19266,6 +19266,15 @@ static SDValue reduceBuildVecToShuffleWithZero(SDNode *BV, SelectionDAG &DAG) {
return DAG.getBitcast(VT, Shuf);
}
// FIXME: promote to STLExtras.
template <typename R, typename T>
static auto getFirstIndexOf(R &&Range, const T &Val) {
auto I = find(Range, Val);
if (I == Range.end())
return -1L;
return std::distance(Range.begin(), I);
}
// Check to see if this is a BUILD_VECTOR of a bunch of EXTRACT_VECTOR_ELT
// operations. If the types of the vectors we're extracting from allow it,
// turn this into a vector_shuffle node.
@ -19273,14 +19282,6 @@ SDValue DAGCombiner::reduceBuildVecToShuffle(SDNode *N) {
SDLoc DL(N);
EVT VT = N->getValueType(0);
// FIXME: promote to STLExtras.
auto getFirstIndexOf = [](auto &&Range, const auto &Val) {
auto I = find(Range, Val);
if (I == Range.end())
return -1L;
return std::distance(Range.begin(), I);
};
// Only type-legal BUILD_VECTOR nodes are converted to shuffle nodes.
if (!isTypeLegal(VT))
return SDValue();