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I confused myself, temporaries will be recorded right along with other inputs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96639 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -21,35 +21,15 @@ namespace {
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/// matcher or it can be a temporary value created by the emitter for things
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/// matcher or it can be a temporary value created by the emitter for things
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/// like constants.
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/// like constants.
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class ResultVal {
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class ResultVal {
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unsigned Number : 30;
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unsigned Number;
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enum {
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Recorded, Temporary
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} Kind : 2; // True if temporary, false if recorded.
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public:
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public:
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static ResultVal getRecorded(unsigned N) {
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static ResultVal get(unsigned N) {
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ResultVal R;
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ResultVal R;
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R.Number = N;
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R.Number = N;
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R.Kind = Recorded;
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return R;
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}
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static ResultVal getTemp(unsigned N) {
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ResultVal R;
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R.Number = N;
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R.Kind = Temporary;
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return R;
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return R;
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}
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}
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bool isTemp() const { return Kind == Temporary; }
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unsigned getNumber() const {
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bool isRecorded() const { return Kind == Recorded; }
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unsigned getTempNo() const {
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assert(isTemp());
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return Number;
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}
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unsigned getRecordedNo() const {
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assert(isRecorded());
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return Number;
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return Number;
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}
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}
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};
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};
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@ -74,10 +54,6 @@ namespace {
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/// record into.
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/// record into.
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unsigned NextRecordedOperandNo;
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unsigned NextRecordedOperandNo;
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/// NextTemporary - As we generate code, this indicates the next temporary
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/// ID that will be generated.
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unsigned NextTemporary;
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/// InputChains - This maintains the position in the recorded nodes array of
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/// InputChains - This maintains the position in the recorded nodes array of
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/// all of the recorded input chains.
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/// all of the recorded input chains.
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SmallVector<unsigned, 2> InputChains;
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SmallVector<unsigned, 2> InputChains;
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@ -123,7 +99,7 @@ namespace {
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MatcherGen::MatcherGen(const PatternToMatch &pattern,
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MatcherGen::MatcherGen(const PatternToMatch &pattern,
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const CodeGenDAGPatterns &cgp)
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const CodeGenDAGPatterns &cgp)
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: Pattern(pattern), CGP(cgp), NextRecordedOperandNo(0), NextTemporary(0),
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: Pattern(pattern), CGP(cgp), NextRecordedOperandNo(0),
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Matcher(0), CurPredicate(0) {
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Matcher(0), CurPredicate(0) {
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// We need to produce the matcher tree for the patterns source pattern. To do
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// We need to produce the matcher tree for the patterns source pattern. To do
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// this we need to match the structure as well as the types. To do the type
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// this we need to match the structure as well as the types. To do the type
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@ -449,7 +425,7 @@ void MatcherGen::EmitResultLeafAsOperand(const TreePatternNode *N,
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if (IntInit *II = dynamic_cast<IntInit*>(N->getLeafValue())) {
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if (IntInit *II = dynamic_cast<IntInit*>(N->getLeafValue())) {
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AddMatcherNode(new EmitIntegerMatcherNode(II->getValue(),N->getTypeNum(0)));
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AddMatcherNode(new EmitIntegerMatcherNode(II->getValue(),N->getTypeNum(0)));
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ResultOps.push_back(ResultVal::getTemp(NextTemporary++));
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ResultOps.push_back(ResultVal::get(NextRecordedOperandNo++));
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return;
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return;
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}
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}
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@ -458,13 +434,13 @@ void MatcherGen::EmitResultLeafAsOperand(const TreePatternNode *N,
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if (DI->getDef()->isSubClassOf("Register")) {
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if (DI->getDef()->isSubClassOf("Register")) {
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AddMatcherNode(new EmitRegisterMatcherNode(DI->getDef(),
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AddMatcherNode(new EmitRegisterMatcherNode(DI->getDef(),
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N->getTypeNum(0)));
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N->getTypeNum(0)));
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ResultOps.push_back(ResultVal::getTemp(NextTemporary++));
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ResultOps.push_back(ResultVal::get(NextRecordedOperandNo++));
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return;
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return;
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}
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}
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if (DI->getDef()->getName() == "zero_reg") {
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if (DI->getDef()->getName() == "zero_reg") {
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AddMatcherNode(new EmitRegisterMatcherNode(0, N->getTypeNum(0)));
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AddMatcherNode(new EmitRegisterMatcherNode(0, N->getTypeNum(0)));
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ResultOps.push_back(ResultVal::getTemp(NextTemporary++));
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ResultOps.push_back(ResultVal::get(NextRecordedOperandNo++));
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return;
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return;
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}
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}
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