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[SelectionDAG] Replace findGlueUse in SelectionDAGISel with SDNode::g… #120512

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Merged
merged 1 commit into from
Dec 19, 2024
Merged

[SelectionDAG] Replace findGlueUse in SelectionDAGISel with SDNode::g… #120512

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15 changes: 1 addition & 14 deletions llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2329,19 +2329,6 @@ void SelectionDAGISel::SelectInlineAsmMemoryOperands(std::vector<SDValue> &Ops,
Ops.push_back(handle.getValue());
}

/// findGlueUse - Return use of MVT::Glue value produced by the specified
/// SDNode.
///
static SDNode *findGlueUse(SDNode *N) {
unsigned FlagResNo = N->getNumValues()-1;
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
SDUse &Use = I.getUse();
if (Use.getResNo() == FlagResNo)
return Use.getUser();
}
return nullptr;
}

/// findNonImmUse - Return true if "Def" is a predecessor of "Root" via a path
/// beyond "ImmedUse". We may ignore chains as they are checked separately.
static bool findNonImmUse(SDNode *Root, SDNode *Def, SDNode *ImmedUse,
Expand Down Expand Up @@ -2445,7 +2432,7 @@ bool SelectionDAGISel::IsLegalToFold(SDValue N, SDNode *U, SDNode *Root,
// glueged set.
EVT VT = Root->getValueType(Root->getNumValues()-1);
while (VT == MVT::Glue) {
SDNode *GU = findGlueUse(Root);
SDNode *GU = Root->getGluedUser();
if (!GU)
break;
Root = GU;
Expand Down
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