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Add m_SelectCCLike matcher to match SELECT_CC or SELECT with SETCC #149646

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Merged
merged 15 commits into from
Aug 1, 2025
Merged

Add m_SelectCCLike matcher to match SELECT_CC or SELECT with SETCC #149646

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432880f
Add m_SelectCCLike matcher to match SELECT_CC or SELECT with SETCC
houngkoungting Jul 19, 2025
060eba0
Add m_SelectCCLike matcher to match SELECT_CC or SELECT with SETCC-1
houngkoungting Jul 19, 2025
72ad2f7
[DAGCombiner] Add SelectCCLike matcher and unit test
houngkoungting Jul 22, 2025
f703bf7
[DAGCombiner] Add SelectCCLike matcher and unit test-1
houngkoungting Jul 22, 2025
42279f8
[DAGCombiner] Add SelectCCLike matcher and unit test-2
houngkoungting Jul 22, 2025
2e22456
[DAGCombiner] Add SelectCCLike matcher and unit test-3
houngkoungting Jul 22, 2025
ebab64b
[DAGCombiner] Add SelectCCLike matcher and unit test-3
houngkoungting Jul 22, 2025
6436237
[DAGCombiner] Add SelectCCLike matcher and unit test-4
houngkoungting Jul 22, 2025
065aa5a
[DAGCombiner] Add SelectCCLike matcher and unit test-5
houngkoungting Jul 22, 2025
eca282d
[DAGCombiner] Add SelectCCLike matcher and unit test-6
houngkoungting Jul 22, 2025
4e17482
[DAGCombiner] Add SelectCCLike matcher and unit test-7
houngkoungting Jul 22, 2025
d24f058
[DAG] Add m_SelectCCLike matcher for SELECT_CC and SELECT(SETCC(...))
houngkoungting Jul 30, 2025
82b9b2c
[DAG] Add m_SelectCCLike matcher for SELECT_CC and SELECT(SETCC(...))-1
houngkoungting Jul 30, 2025
4651216
[DAG] Add m_SelectCCLike matcher for SELECT_CC and SELECT(SETCC(...))-2
houngkoungting Jul 30, 2025
06290be
Merge branch 'main' into main
RKSimon Aug 1, 2025
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12 changes: 8 additions & 4 deletions llvm/include/llvm/CodeGen/SDPatternMatch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,8 @@ struct Value_match {

explicit Value_match(SDValue Match) : MatchVal(Match) {}

template <typename MatchContext> bool match(const MatchContext &, SDValue N) {
template <typename MatchContext>
bool match(const MatchContext &, SDValue N) const {
if (MatchVal)
return MatchVal == N;
return N.getNode();
Expand Down Expand Up @@ -130,7 +131,8 @@ struct DeferredValue_match {

explicit DeferredValue_match(SDValue &Match) : MatchVal(Match) {}

template <typename MatchContext> bool match(const MatchContext &, SDValue N) {
template <typename MatchContext>
bool match(const MatchContext &, SDValue N) const {
return N == MatchVal;
}
};
Expand Down Expand Up @@ -196,7 +198,8 @@ struct Value_bind {

explicit Value_bind(SDValue &N) : BindVal(N) {}

template <typename MatchContext> bool match(const MatchContext &, SDValue N) {
template <typename MatchContext>
bool match(const MatchContext &, SDValue N) const {
BindVal = N;
return true;
}
Expand Down Expand Up @@ -1203,7 +1206,8 @@ struct CondCode_match {

explicit CondCode_match(ISD::CondCode *CC) : BindCC(CC) {}

template <typename MatchContext> bool match(const MatchContext &, SDValue N) {
template <typename MatchContext>
bool match(const MatchContext &, SDValue N) const {
if (auto *CC = dyn_cast<CondCodeSDNode>(N.getNode())) {
if (CCToMatch && *CCToMatch != CC->get())
return false;
Expand Down
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