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[X86] Remove local areOnlyUsersOf helper and use SDNode::areOnlyUsersOf instead.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295326 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2017-02-16 15:11:49 +00:00
parent bdbb2951ee
commit d69a69b212
1 changed files with 1 additions and 9 deletions
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10
lib/Target/X86/X86ISelLowering.cpp
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@ -14127,14 +14127,6 @@ static SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget,
return Op;
}
static bool areOnlyUsersOf(SDNode *N, ArrayRef<SDValue> ValidUsers) {
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I)
if (llvm::all_of(ValidUsers,
[&I](SDValue V) { return V.getNode() != *I; }))
return false;
return true;
}
// Lower a node with an INSERT_SUBVECTOR opcode. This may result in a
// simple superregister reference or explicit instructions to insert
// the upper bits of a vector.
@ -34291,7 +34283,7 @@ static SDValue combineInsertSubvector(SDNode *N, SelectionDAG &DAG,
// lower to a VBROADCASTF128/VBROADCASTI128/etc.
if (auto *Ld = dyn_cast<LoadSDNode>(peekThroughOneUseBitcasts(SubVec2))) {
if (SubVec2 == SubVec && ISD::isNormalLoad(Ld) &&
areOnlyUsersOf(SubVec2.getNode(), {SDValue(N, 0), Vec})) {
SDNode::areOnlyUsersOf({N, Vec.getNode()}, SubVec2.getNode())) {
return DAG.getNode(X86ISD::SUBV_BROADCAST, dl, OpVT, SubVec);
}
}